Rename RELEASE_ENGINEERING.txt to RELEASE_ENGINEERING.md

Add make rule for symlinking and removing /bin files

Makefile

@@ -4,7 +4,9 @@ PKGNAME=stack_blackbox
 
 all:
 	@echo 'Menu:'
+	@echo '  make update            Update any generated files'
 	@echo '  make packages          Make RPM packages'
+	@echo '  make packages-deb      Make DEB packages'
 	@echo '  make install           (incomplete)'
 
 install:
@@ -14,30 +16,13 @@ install:
 # The default package type is RPM.
 packages: packages-rpm
 
-#
-# MacPorts builds
-#
-# To test:
-# rm -rf /tmp/foo ; mkdir -p /tmp/foo;make packages-macports DESTDIR=/tmp/foo;find /tmp/foo -ls
-
-# Make mk_macports.vcs_blackbox.txt from mk_rpm_fpmdir.stack_blackbox.txt:
-tools/mk_macports.vcs_blackbox.txt: tools/mk_rpm_fpmdir.stack_blackbox.txt
-	sed -e 's@/usr/blackbox/bin/@bin/@g' -e '/profile.d-usrblackbox.sh/d' <tools/mk_rpm_fpmdir.stack_blackbox.txt >$@
-
-check-destdir:
-ifndef DESTDIR
-  $(error DESTDIR is undefined)
-endif
-
-# MacPorts expects to run: make packages-macports DESTDIR=${destroot}
-packages-macports: tools/mk_macports.vcs_blackbox.txt check-destdir
-	mkdir -p $(DESTDIR)/bin
-	cd tools && ./mk_macports mk_macports.vcs_blackbox.txt
-
 #
 # RPM builds
 #
 
+# NOTE: mk_rpm_fpmdir.stack_blackbox.txt is the master list of files.  All
+# other packages should generate their list from it.
+
 packages-rpm:
 	cd tools && PKGRELEASE="$${PKGRELEASE}" PKGDESCRIPTION="Safely store secrets in git/hg/svn repos using GPG encryption" ./mk_rpm_fpmdir stack_blackbox mk_rpm_fpmdir.stack_blackbox.txt
 
@@ -60,16 +45,85 @@ lock-rpm:
 unlock-rpm:
 	sudo yum versionlock clear
 
+#
+# Manual install
+#
+manual-install:
+	@echo 'Symlinking files from ./bin to /usr/local/bin'
+	@cd bin && for f in `find . -type f -iname "*" ! -iname "Makefile"`; do ln -fs `pwd`/$$f /usr/local/bin/$$f; done
+	@echo 'Done.'
+
+manual-uninstall:
+	@echo 'Removing blackbox files from /usr/local/bin'
+	@cd bin && for f in `find . -type f -iname "*" ! -iname "Makefile"`; do rm /usr/local/bin/$$f; done
+	@echo 'Done.'
+
+#
+# DEB builds
+#
+
+packages-deb:	tools/mk_deb_fpmdir.stack_blackbox.txt
+	cd tools && PKGRELEASE="$${PKGRELEASE}" PKGDESCRIPTION="Safely store secrets in git/hg/svn repos using GPG encryption" ./mk_deb_fpmdir stack_blackbox mk_deb_fpmdir.stack_blackbox.txt
+
+# Make mk_deb_fpmdir.vcs_blackbox.txt from mk_rpm_fpmdir.stack_blackbox.txt:
+tools/mk_deb_fpmdir.stack_blackbox.txt: tools/mk_rpm_fpmdir.stack_blackbox.txt
+	sed -e '/^#/d' -e 's@/usr/blackbox/bin/@/usr/bin/@g' -e '/profile.d-usrblackbox.sh/d' <tools/mk_rpm_fpmdir.stack_blackbox.txt >$@
+
+packages-deb-debug:	tools/mk_deb_fpmdir.stack_blackbox.txt
+	@echo BUILD:
+	@PKGRELEASE=99 make packages-deb
+	@echo ITEMS TO BE PACKAGED:
+	find ~/debbuild-$(PKGNAME)/installroot -type f
+	@echo ITEMS ACTUALLY IN PACKAGE:
+	@dpkg --contents $$(cat ~/debbuild-$(PKGNAME)/bin-packages.txt)
+
+local-deb:
+	@PKGRELEASE=1 make packages
+	-@sudo dpkg -e $(PKGNAME)
+	sudo dpkg -i $$(cat ~/rpmbuild-$(PKGNAME)/bin-packages.txt)
+
+#
+# MacPorts builds
+#
+# To test:
+# rm -rf /tmp/foo ; mkdir -p /tmp/foo;make packages-macports DESTDIR=/tmp/foo;find /tmp/foo -ls
+
+# Make mk_macports.vcs_blackbox.txt from mk_rpm_fpmdir.stack_blackbox.txt:
+tools/mk_macports.vcs_blackbox.txt: tools/mk_rpm_fpmdir.stack_blackbox.txt
+	sed  -e '/^#/d' -e 's@/usr/blackbox/bin/@bin/@g' -e '/profile.d-usrblackbox.sh/d' <tools/mk_rpm_fpmdir.stack_blackbox.txt >$@
+
+# MacPorts expects to run: make packages-macports DESTDIR=${destroot}
+packages-macports: tools/mk_macports.vcs_blackbox.txt
+	mkdir -p $(DESTDIR)/bin
+	cd tools && ./mk_macports mk_macports.vcs_blackbox.txt
+
+# stow is a pretty easy way to manage simple local installs on GNU systems
+install-stow:
+	mkdir -p /usr/local/stow/blackbox/bin
+	cp bin/* /usr/local/stow/blackbox/bin
+	rm /usr/local/stow/blackbox/bin/Makefile
+	cd /usr/local/stow; stow -R blackbox
+uninstall-stow:
+	cd /usr/local/stow; stow -D blackbox
+	rm -rf /usr/local/stow/blackbox
+
 # Add other package types here.
 
+#
+# Updates
+#
+update: tools/mk_deb_fpmdir.stack_blackbox.txt tools/mk_macports.vcs_blackbox.txt
+
+clean:
+	rm tools/mk_deb_fpmdir.stack_blackbox.txt tools/mk_macports.vcs_blackbox.txt
+
 #
 # System Test:
 #
-
 confidence:
-	@if [[ -e ~/.gnupg ]]; then echo ERROR: '~/.gnupg should not exist. If it does, bugs may polute your .gnupg configuration. If the code has no bugs everything will be fine. Do you feel lucky?'; false ; fi
+	@if [ -e ~/.gnupg ]; then echo ERROR: '~/.gnupg should not exist. If it does, bugs may polute your .gnupg configuration. If the code has no bugs everything will be fine. Do you feel lucky?'; false ; fi
 	@if which >/dev/null gpg-agent ; then pkill gpg-agent ; rm -rf /tmp/tmp.* ; fi
-	@export PATH=~/gitwork/blackbox/bin:/usr/local/bin:/bin:/usr/bin:/usr/local/sbin:/usr/sbin:/sbin ; 
+	@export PATH="$(PWD)/bin:/usr/local/bin:/bin:/usr/bin:/usr/local/sbin:/usr/sbin:/sbin:/opt/local/bin:$(PATH)" ; tools/confidence_test.sh
-		cd ~/gitwork/blackbox && tools/confidence_test.sh
+		tools/confidence_test.sh
 	@if which >/dev/null gpg-agent ; then pkill gpg-agent ; fi
-	@if [[ -e ~/.gnupg ]]; then echo ERROR: '~/.gnupg was created which means the scripts might be poluting GnuPG configuration.  Fix this bug.'; false ; fi
+	@if [ -e ~/.gnupg ]; then echo ERROR: '~/.gnupg was created which means the scripts might be poluting GnuPG configuration.  Fix this bug.'; false ; fi

README.md

@@ -1,7 +1,7 @@
 BlackBox
 ========
 
-Safely store secrets in a VCS repo (i.e. Git, Mercurial, or Subversion). These
+Safely store secrets in a VCS repo (i.e. Git, Mercurial, Subversion or Perforce). These
 commands make it easy
 for you to Gnu Privacy Guard (GPG) encrypt specific files in a repo so they are
 "encrypted at rest" in your repository. However, the scripts
@@ -11,6 +11,31 @@ for Puppet, BlackBox now works with any Git or Mercurial repository.
 
 A slide presentation about an older release [is on SlideShare](http://www.slideshare.net/TomLimoncelli/the-blackbox-project-sfae).
 
+Table of Contents
+===============
+
+* [Overview](#overview)
+* [Why is this important?](#why-is-this-important)
+* [Installation Instructions](#installation-instructions)
+* [Commands](#commands)
+* [Compatibility](#compatibility)
+* [How is the encryption done?](#how-is-the-encryption-done)
+* [What does this look like to the typical user?](#what-does-this-look-like-to-the-typical-user)
+* [How to use the secrets with Puppet?](#how-to-use-the-secrets-with-puppet)
+* [How to enroll a new file into the system?](#how-to-enroll-a-new-file-into-the-system)
+* [How to remove a file from the system?](#how-to-remove-a-file-from-the-system)
+* [How to indoctrinate a new user into the system?](#how-to-indoctrinate-a-new-user-into-the-system)
+* [How to remove a user from the system?](#how-to-remove-a-user-from-the-system)
+* [Enabling Blackbox For a Repo](#enabling-blackbox-for-a-repo)
+* [Set up automated users or "role accounts"](#set-up-automated-users-or-role-accounts)
+* [Some common errors](#some-common-errors)
+* [Using Blackbox without a repo](#using-blackbox-without-a-repo)
+* [How to submit bugs or ask questions?](#how-to-submit-bugs-or-ask-questions)
+* [Developer Info](#developer-info)
+* [Alternatives](#alternatives)
+* [License](#license)
+
+
 Overview
 ========
 
@@ -19,7 +44,7 @@ and certain files contain secrets such as passwords or SSL private
 keys.  Often people just store such files "and hope that nobody finds
 them in the repo".  That's not safe.
 
-With BlackBox, those files are stored encrypted using GPG. Access to 
+With BlackBox, those files are stored encrypted using GPG. Access to
 the VCS repo without also having the right GPG keys
 makes it worthless to have the files.  As long as you keep your GPG keys
 safe, you don't have to worry about storing your VCS repo on an untrusted
@@ -42,16 +67,16 @@ files.  Simply set up a GPG key for the Puppet master (or the role
 account that pushes new files to the Puppet master) and have that
 user run `blackbox_postdeploy` after any files are updated.
 
-Getting started is easy.  Just `cd` into a Git, Mercurial or Subversion
+Getting started is easy.  Just `cd` into a Git, Mercurial, Subversion or
-repository and run `blackbox_initialize`.  After that, if a file is to 
+Perforce repository and run `blackbox_initialize`.  After that, if a file is to
 be encrypted, run `blackbox_register_new_file` and you are done.  Add
 and remove keys with `blackbox_addadmin` and `blackbox_removeadmin`.
 To view and/or edit a file, run `blackbox_edit`; this will decrypt the
 file and open with whatever is specified by your $EDITOR environment
-variable.  When you close the editor the file will automatically be 
+variable.  When you close the editor the file will automatically be
 encrypted again and the temporary plaintext file will be shredded.  If
 you need to leave the file decrypted while you update you can use the
-`blackbox_edit_start` to decrypt the file and  `blackbox_edit_end` when 
+`blackbox_edit_start` to decrypt the file and  `blackbox_edit_end` when
 you want to "put it back in the box."
 
 
@@ -63,10 +88,10 @@ and passwords to be leaked.
 
 NOT SO OBVIOUSLY when we store "secrets" in a VCS repo like Git or
 Mercurial, suddenly we are less able to share our code with other
-people.  Communciation between subteams of an organization is hurt.
+people.  Communication between subteams of an organization is hurt.
 You can't collaborate as well.  Either you find yourself emailing
 individual files around (yuck!), making a special repo with just
-the files needed by your collaborators (yuck!), or just deciding that
+the files needed by your collaborators (yuck!!), or just deciding that
 collaboration isn't worth all that effort (yuck!!!).
 
 The ability to be open and transparent about our code, with the
@@ -74,6 +99,42 @@ exception of a few specific files, is key to the kind of
 collaboration that DevOps and modern IT practitioniers
 need to do.
 
+Installation Instructions:
+==========================
+
+  * *The MacPorts Way*: `sudo port install vcs_blackbox`
+  * *The RPM way*: Check out the repo and make an RPM via `make packages-rpm`; now you can distribute the RPM via local methods.
+  * *The Debian/Ubuntu way*: Check out the repo and install [fpm](https://github.com/jordansissel/fpm). Now you can make a DEB `make packages-deb` that can be distributed via local methods.
+  * *The hard way*: Copy all the files in "bin" to your "bin".
+  * *The manual way*: `make manual-install` to install. `make manual-uninstall` to uninstall.
+  * *The Antigen Way*: Add `antigen bundle StackExchange/blackbox` to your .zshrc
+  * *The Zgen Way*: Add `zgen load StackExchange/blackbox` to your .zshrc where you're loading your other plugins.
+
+
+Commands:
+============================
+
+
+| Name: | Description: |
+| --- | --- |
+| `blackbox_edit` | Decrypt, run $EDITOR, re-encrypt a file |
+| `blackbox_edit_start` | Decrypt a file so it can be updated |
+| `blackbox_edit_end` | Encrypt a file after blackbox_edit_start was used |
+| `blackbox_cat` | Decrypt and view the contents of a file |
+| `blackbox_diff` | Diff decrypted files against their original crypted version |
+| `blackbox_initialize` | Enable blackbox for a GIT or HG repo |
+| `blackbox_register_new_file` | Encrypt a file for the first time |
+| `blackbox_deregister_file` | Remove a file from blackbox |
+| `blackbox_list_files` | List the files maintained by blackbox |
+| `blackbox_decrypt_all_files` | Decrypt all managed files (INTERACTIVE) |
+| `blackbox_postdeploy` | Decrypt all managed files (batch) |
+| `blackbox_addadmin` | Add someone to the list of people that can encrypt/decrypt secrets |
+| `blackbox_removeadmin` | Remove someone from the list of people that can encrypt/decrypt secrets |
+| `blackbox_shred_all_files` | Safely delete any decrypted files |
+| `blackbox_update_all_files` | Decrypt then re-encrypt all files. Useful after keys are changed |
+| `blackbox_whatsnew` | show what has changed in the last commit for a given file |
+
+
 Compatibility:
 ============================
 
@@ -86,8 +147,10 @@ It has been tested to work with many operating systems.
   * `git` -- The Git
   * `hg` -- Mercurial
   * `svn` -- SubVersion (Thanks, Ben Drasin!)
+  * `p4` -- Perforce
+  * none -- The files can be decrypted outside of a repo if the keyrings directory is intact
 * Operating system
-  * CentOS
+  * CentOS / RedHat
   * MacOS X
   * Cygwin (Thanks, Ben Drasin!)
 
@@ -102,7 +165,7 @@ Note: Cywin support requires the following packages:
 
   * Normal operation:
     * gnupg
-    * git or mercurial or subversion (as appropriate)
+    * git or mercurial or subversion or perforce (as appropriate)
   * Development (if you will be adding code and want to run the confidence test)
     * procps
     * make
@@ -157,7 +220,7 @@ their network.
 *If you use Puppet, why didn't you just use hiera-eyaml?*
 There are 4 reasons:
 
-  1. This works works with any Git or Mercurial repo, even if you aren't using Puppet.
+  1. This works with any Git or Mercurial repo, even if you aren't using Puppet.
   2. hiera-eyaml decrypts "on demand" which means your Puppet Master now uses a lot of CPU to decrypt keys every time it is contacted. It slows down your master, which, in my case, is already slow enough.
   3. This works with binary files, without having to ASCIIify them and paste them into a YAML file.  Have you tried to do this with a cert that is 10K long and changes every few weeks?  Ick.
   4. hiera-eyaml didn't exist when I wrote this.
@@ -167,13 +230,13 @@ What does this look like to the typical user?
 ================================
 
 *  If you need to, start the GPG Agent: `eval $(gpg-agent --daemon)`
-*  Decrypt the file so it is editable: `blackbox_edit FILENAME`
+*  Decrypt the file so it is editable: `blackbox_edit_start FILENAME`
 *  (You will need to enter your GPG passphrase.)
 *  Edit FILENAME as you desire: `vim FILENAME`
 *  Re-encrypt the file: `blackbox_edit_end FILENAME`
 *  Commit the changes.  `git commit -a` or `hg commit`
 
-Wait... it can be even easier than than!
+Wait... it can be even easier than that!
 Run `blackbox_edit FILENAME`, and it'll decrypt the file
 in a temp file and call `$EDITOR` on it, re-encrypting again after the editor
 is closed.
@@ -184,7 +247,7 @@ How to use the secrets with Puppet?
 
 ### Entire files:
 
-Entire files, such as SSL certs and private keys, are treated just like 
+Entire files, such as SSL certs and private keys, are treated just like
 regular files.  You decrypt them any time you push a new release
 to the puppet master.
 
@@ -250,14 +313,24 @@ How to enroll a new file into the system?
 blackbox_register_new_file path/to/file.name.key
 ```
 
+Multiple file names can be specified on the command line:
+
+Example 1: Register 2 files:
+
+    blackbox_register_new_file file1.txt file2.txt
+
+Example 2: Register all the files in `$DIR`:
+
+    find $DIR -type f -not -name '*.gpg' -print0 | xargs -0 blackbox_register_new_file
+
+
 How to remove a file from the system?
 ============================
 
-This is a manual process. It happens quite rarely.
+This happens quite rarely, but we've got it covered:
-
+```
-1. Remove the file ``keyrings/live/blackbox-files.txt``
+blackbox_deregister_file path/to/file.name.key
-2. Remove references from ``.gitignore`` or ``.hgignore``
+```
-3. Use ``git rm`` or ``hg rm`` as expected.
 
 How to indoctrinate a new user into the system?
 ============================
@@ -271,11 +344,15 @@ To join the list of people that can edit the file requires three steps; You crea
 
 ### Step 1: YOU create a GPG key pair on a secure machine and add to public keychain.
 
+If you don't already have a GPG key, here's how to generate one:
+
 ```
 gpg --gen-key
 ```
 
-Pick defaults for encryption settings, 0 expiration.  Pick a VERY GOOD passphrase.
+Pick defaults for encryption settings, 0 expiration.  Pick a VERY GOOD passphrase.  Store the private key securely.  Tip: Store it on a secure machine, or one with little or no internet access, with full-disk-encryption, etc.  Your employer problably has rules about how to store such things.
+
+Now that you have a GPG key, add yourself as an admin:
 
 ```
 blackbox_addadmin KEYNAME
@@ -287,23 +364,41 @@ blackbox_addadmin KEYNAME
 blackbox_addadmin tal@example.com
 ```
 
-When the command completes successfully, instructions on how to
+When the command completes successfully, instructions on how to commit these changes will be output.  Run the command as given to commit the changes.  It will look like this:
-commit these changes will be output.  Run the command as give.
 
 ```
-NEXT STEP: Check these into the repo.  Probably with a command like...
 git commit -m'NEW ADMIN: tal@example.com' keyrings/live/pubring.gpg keyrings/live/trustdb.gpg keyrings/live/blackbox-admins.txt
 ```
 
-Role accounts: If you are adding the pubring.gpg of a role account, you can specify the directory where the pubring.gpg file can be found as a 2nd parameter:
+Then push it to the repo:
 
 ```
-blackbox_addadmin puppetmaster@puppet-master-1.example.com /path/to/the/dir
+git push
+
+or
+
+ht push
+
+(or whatever is appropriate)
 ```
 
+NOTE: Creating a Role Account?  If you are adding the pubring.gpg of a role account, you can specify the directory where the pubring.gpg file can be found as a 2nd parameter: `blackbox_addadmin puppetmaster@puppet-master-1.example.com /path/to/the/dir`
+
+
 ### Step 2: SOMEONE ELSE adds you to the system.
 
-Ask someone that already has access to re-encrypt the data files. This gives you access.  They simply decrypt and re-encrypt the data without making any changes:
+Ask someone that already has access to re-encrypt the data files. This gives you access.  They simply decrypt and re-encrypt the data without making any changes.
+
+Pre-check: Verify the new keys look good.
+
+```
+$ gpg --homedir=keyrings/live --list-keys 
+```
+
+For example, examine the key name (email address) to make sure
+it conforms to corporate standards.
+
+Import the keychain into your personal keychain and reencrypt:
 
 ```
 gpg --import keyrings/live/pubring.gpg
@@ -359,7 +454,7 @@ so on just like when anyone that had privileged access leaves an
 organization.
 
 
-First Time Setup (enabling Blackbox for a repo)
+Enabling Blackbox For a Repo
 ===========================
 
 Overview:
@@ -403,14 +498,14 @@ blackbox_register_new_file foo.txt
 Decrypt it:
 
 ```
-blackbox_edit_start foo.txt.gpg 
+blackbox_edit_start foo.txt.gpg
 cat foo.txt
 echo This is the new file contents. >foo.txt
 ```
 
 Re-encrypt it:
 ```
-blackbox_edit_end foo.txt.gpg 
+blackbox_edit_end foo.txt.gpg
 ls -l foo.txt*
 ```
 
@@ -453,7 +548,7 @@ For the rest of this doc, you'll need to make the following substitutions:
 
   - ROLEUSER: svc_deployacct or whatever your role account's name is.
   - NEWMASTER: the machine this role account exists on.
-  - SECUREHOST: The machine you use to create the keys. 
+  - SECUREHOST: The machine you use to create the keys.
 
 NOTE: This should be more automated/scripted.  Patches welcome.
 
@@ -463,7 +558,7 @@ On SECUREHOST, create the puppet master's keys:
 $ mkdir /tmp/NEWMASTER
 $ cd /tmp/NEWMASTER
 $ gpg --homedir . --gen-key
-Your selection? 
+Your selection?
    (1) RSA and RSA (default)
 What keysize do you want? (2048) DEFAULT
 Key is valid for? (0) DEFAULT
@@ -492,8 +587,8 @@ gpg> addkey
    (5) Elgamal (encrypt only)
    (6) RSA (encrypt only)
 Your selection? 6
-What keysize do you want? (2048) 
+What keysize do you want? (2048)
-Key is valid for? (0) 
+Key is valid for? (0)
 Command> key 2
 (the new subkey has a "*" next to it)
 Command> passwd
@@ -584,27 +679,81 @@ rm -rf /tmp/NEWMASTER
 Also shred any other temporary files you may have made.
 
 
-Help out: Submit bugs, pull requests and ideas:
+Some common errors:
+=========================================
+
+`gpg: filename: skipped: No public key` -- Usually this means there
+is an item in `keyrings/live/blackbox-admins.txt` that is not the
+name of the key.  Either something invalid was inserted (like a
+filename instead of a username) or a user has left the organization
+and their key was removed from the keychain, but their name wasn't
+removed from the blackbox-admins.txt file.
+
+`gpg: decryption failed: No secret key` -- Usually means you forgot
+to re-encrypt the file with the new key.
+
+
+Using Blackbox without a repo
+===========================
+
+If the files are copied out of a repo they can still be decrypted
+and edited.  Obviously edits, changes to keys, and such will be lost
+if they are made outside the repo. Also note that commands are most
+likely to only work if run from the base directory (i.e. the parent to
+the keyrings directory).
+
+The following commands have been tested outside a repo:
+
+  * `blackbox_postdeploy`
+  * `blackbox_edit_start`
+  * `blackbox_edit_end`
+
+
+How to submit bugs or ask questions?
 ============
 
-I welcome code changes, questions, bug reports and feedback!
+We welcome questions, bug reports and feedback!
 
-  * Submit code: https://github.com/StackExchange/blackbox
+  * https://github.com/StackExchange/blackbox/issues
-  * Report bugs/questions: https://github.com/StackExchange/blackbox/issues
 
-Tip for submitting code:
+Developer Info
+============
 
-After you make a change, please re-run the confidence tests.  This
+Code submissions are gladly welcomed!  The code is
-runs through various procedures and checks the results.
+fairly easy to read.
 
-To run the tests:
+
+Get the code:
+
+```
+git clone git@github.com:StackExchange/blackbox.git
+```
+
+Test your changes:
 
 ```
 make confidence
 ```
 
+This runs through a number of system tests. It
+creates a repo, encrypts files, decrypts files, and so on.
+You can run these tests to verify that the changes you made
+didn't break anything.  You can also use these tests to
+verify that the system works with a new operating system.
+
+Please submit tests with code changes:
+
+The best way to change Blackbox is via Test Driven Development.
+First add a test to `tools/confidence.sh`. This test should
+fail, and demonstrate the need for the change you are about to
+make. Then fix the bug or add the feature you want.  When
+you are done, `make confidence` should pass all tests.
+The PR you submit should include your code as well as the new
+test.  This way the confidence tests accumulate as the system
+grows as we know future changes don't break old features.
+
 Note: The tests currently assume "git" and have been tested
-on CentOS and Cygwin.
+only on CentOS, Mac OS X, and Cygwin.  Patches welcome!
 
 
 Alternatives
@@ -612,9 +761,12 @@ Alternatives
 
 Here are other open source packages that do something similar to Blackbox. If you like them better than Blackbox, please use them.
 
+  * git-crypt:  https://www.agwa.name/projects/git-crypt/
   * Pass: http://www.zx2c4.com/projects/password-store/
   * Transcrypt: https://github.com/elasticdog/transcrypt
-  * git-crypt:  https://www.agwa.name/projects/git-crypt/
+
+git-crypt has the best git integration.  Once set up it is nearly transparent to the users.  However it only works with git.
+
 
 License
 =======

RELEASE_ENGINEERING.TXT

@@ -1,45 +0,0 @@
-# Branches and Tags:
-
-There are 3 branches/tags:
-
-* **HEAD:** The cutting edge of development.
-* **tag stable:** Stable enough for use by most people.
-* **tag production:** Burned in long enough that we are confident it can be widely adopted.
-
-If you are packaging Blackbox for distribution, you should track the *tag production*.  You might also want to provide a separate package that tracks *tag stable:* for early adopters.
-
-# Build Tasks
-
-# Stable Releases
-
-Marking the software to be "stable":
-
-Step 1. Tag it.
-
-```
-git pull
-git tag -d stable
-git push origin :stable
-git tag stable
-git push origin tag stable
-```
-
-Step 2. Mark your calendar 1 week from today to check
-to see if this should be promoted to production.
-
-
-# Production Releases
-
-If no bugs have been reported a full week after a stable tag has been pushed, mark the release to be "production".
-
-```
-git fetch
-git checkout stable
-git tag -d production
-git push origin :production
-git tag production
-git push origin tag production
-R="v1.$(date +%Y%m%d)"
-git tag "$R"
-git push origin tag "$R"
-```

RELEASE_ENGINEERING.md

@@ -0,0 +1,119 @@
+# Branches and Tags:
+
+There are 3 branches/tags:
+
+* **HEAD:** The cutting edge of development.
+* **tag stable:** Stable enough for use by most people.
+* **tag production:** Burned in long enough that we are confident it can be widely adopted.
+
+If you are packaging Blackbox for distribution, you should track the *tag production*.  You might also want to provide a separate package that tracks *tag stable:* for early adopters.
+
+# Build Tasks
+
+# Stable Releases
+
+Marking the software to be "stable":
+
+Step 1. Tag it.
+
+```
+git pull
+git tag -d stable
+git push origin :stable
+git tag stable
+git push origin tag stable
+```
+
+Step 2. Mark your calendar 1 week from today to check
+to see if this should be promoted to production.
+
+
+# Production Releases
+
+If no bugs have been reported a full week after a stable tag has been pushed, mark the release to be "production".
+
+```
+git fetch
+git checkout stable
+git tag -d production
+git push origin :production
+git tag production
+git push origin tag production
+R="v1.$(date +%Y%m%d)"
+git tag "$R"
+git push origin tag "$R"
+```
+
+# Updating MacPorts (automatic)
+
+Step 1: Generate the Portfile
+
+```
+tools/macports_report_upgrade.sh  1.20150222
+```
+
+This script will generate a file called `Portfile-vcs_blackbox.diff` and instructions on how to submit it as a update request.
+
+Step 2: Submit the update request.
+
+Submit the diff file as a bug as instructed. The instructions should look like this:
+
+* PLEASE OPEN A TICKET WITH THIS INFORMATION:
+    https://trac.macports.org/newticket
+* Summary: `vcs_blackbox @1.20150222 Update to latest upstream`
+* Description: ```New upstream of vcs_blackbox.
+github.setup and checksums updated.```
+* Type: `update`
+* Component: `ports`
+* Port: `vcs_blackbox`
+* Keywords: `maintainer haspatch`
+* Attach this file: `Portfile-vcs_blackbox.diff`
+
+Step 3: Watch for the update to happen.
+
+# Updating MacPorts (manual)
+
+This is the old, manual, procedure.  If the automated procedure fails to work, these notes may or may not be helpful.
+
+The ultimate result of the script should be the output of `diff -u Portfile.orig Portfile` which is sent as an attachment to MacPorts.  The new `Portfile` should have these changes:
+
+1. The `github.setup` line should have a new version number.
+2. The `checksums` line(s) should have updated checksums.
+
+How to generate the checksums?
+
+The easiest way is to to make a Portfile with incorrect checksums, then run `sudo port -v checksum vcs_blackbox` to see what they should have been.  Fix the file, and try again until the checksum command works.
+
+Next run `port lint vcs_blackbox` and make sure it has no errors.
+
+Some useful commands:
+
+Change repos in sources.conf:
+```
+sudo vi /opt/local/etc/macports/sources.conf
+  Add this line early in the file:
+  file:///var/tmp/ports
+```
+
+Add a local repo:
+```
+fgrep >/dev/null -x 'file:///var/tmp/ports' /opt/local/etc/macports/sources.conf || sudo sed -i -e '1s@^@file:///var/tmp/ports\'$'\n@' /opt/local/etc/macports/sources.conf
+```
+
+Remove the local repo:
+```
+sudo sed -i -e '\@^file:///var/tmp/ports@d' /opt/local/etc/macports/sources.conf
+```
+
+Test a Portfile:
+``` 
+sudo port uninstall vcs_blackbox
+sudo port clean --all vcs_blackbox
+rm -rf ~/.macports/opt/local/var/macports/sources/rsync.macports.org/release/tarballs/ports/security/vcs_blackbox/
+rm -rf /var/tmp/ports
+mkdir -p /var/tmp/ports/security/vcs_blackbox
+cp Portfile /var/tmp/ports/security/vcs_blackbox
+cd /var/tmp/ports && portindex
+sudo port -v checksum vcs_blackbox
+sudo port install vcs_blackbox
+```

bin/_blackbox_common.sh

@@ -7,69 +7,91 @@
 # Usage:
 #
 #   set -e
-#   . _blackbox_common.sh
+#   source "${0%/*}/_blackbox_common.sh"
+
+# Load additional useful functions
+source "${0%/*}"/_stack_lib.sh
+
+# Where are we?
+: "${BLACKBOX_HOME:="$(cd "${0%/*}" ; pwd)"}" ;
 
 # Where in the VCS repo should the blackbox data be found?
-: ${BLACKBOXDATA:=keyrings/live} ;   # If BLACKBOXDATA not set, set it.
+: "${BLACKBOXDATA:=keyrings/live}" ;   # If BLACKBOXDATA not set, set it.
- 
-# Outputs a string that is the base directory of this VCS repo.
-# By side-effect, sets the variable VCS_TYPE to either 'git', 'hg',
-# 'svn' or 'unknown'.
-function _determine_vcs_base_and_type() {
-  if git rev-parse --show-toplevel 2>/dev/null ; then
-    VCS_TYPE=git
-  elif [ -d ".svn" ] ; then
-    #find topmost dir with .svn sub-dir
-    parent=""
-    grandparent="."
-    mydir=`pwd`
-    while [ -d "$grandparent/.svn" ]; do
-      parent=$grandparent
-      grandparent="$parent/.."
-    done
 
-    if [ ! -z "$parent" ]; then
+
-      cd $parent
+# If $EDITOR is not set, set it to "vi":
-      echo `pwd`
+: "${EDITOR:=vi}" ;
-    else
+
-      exit 1
+# Allow overriding gpg command
-    fi
+: "${GPG:=gpg}" ;
-    cd $mydir
+
-    VCS_TYPE=svn
+function physical_directory_of() {
-  elif hg root 2>/dev/null ; then
+  local d=$(dirname "$1")
-    # NOTE: hg has to be tested last because it always "succeeds".
+  local f=$(basename "$1")
-    VCS_TYPE=hg
+  (cd "$d" && echo "$(pwd -P)/$f" )
-  else
-    echo /dev/null
-    VCS_TYPE=unknown
-  fi
-  export VCS_TYPE
-  # FIXME: Verify this function by checking for .hg or .git
-  # after determining what we believe to be the answer.
 }
 
-REPOBASE=$(_determine_vcs_base_and_type)
+# Set REPOBASE to the top of the repository
+# Set VCS_TYPE to 'git', 'hg', 'svn' or 'unknown'
+if which >/dev/null 2>/dev/null git && git rev-parse --show-toplevel >/dev/null 2>&1 ; then
+  VCS_TYPE=git
+  REPOBASE=$(git rev-parse --show-toplevel)
+elif [ -d ".svn" ] ; then
+  # Find topmost dir with .svn sub-dir
+  parent=""
+  grandparent="."
+  while [ -d "$grandparent/.svn" ]; do
+    parent=$grandparent
+    grandparent="$parent/.."
+  done
+
+  REPOBASE=$(cd "$parent" ; pwd)
+  VCS_TYPE=svn
+elif which >/dev/null 2>/dev/null hg && hg root >/dev/null 2>&1 ; then
+  # NOTE: hg has to be tested last because it always "succeeds".
+  VCS_TYPE=hg
+  REPOBASE=$(hg root 2>/dev/null)
+else
+  # We aren't in a repo at all.  Assume the cwd is the root
+  # of the tree.
+  VCS_TYPE=unknown
+  REPOBASE="$(pwd)"
+fi
+export VCS_TYPE
+export REPOBASE=$(physical_directory_of "$REPOBASE")
+# FIXME: Verify this function by checking for .hg or .git
+# after determining what we believe to be the answer.
+
 KEYRINGDIR="$REPOBASE/$BLACKBOXDATA"
 BB_ADMINS_FILE="blackbox-admins.txt"
 BB_ADMINS="${KEYRINGDIR}/${BB_ADMINS_FILE}"
 BB_FILES_FILE="blackbox-files.txt"
 BB_FILES="${KEYRINGDIR}/${BB_FILES_FILE}"
 SECRING="${KEYRINGDIR}/secring.gpg"
-PUBRING="${KEYRINGDIR}/pubring.gpg"
+: "${DECRYPT_UMASK:=0022}" ;
-: ${DECRYPT_UMASK:=o=} ;
+# : ${DECRYPT_UMASK:=o=} ;
+
+# Checks if $1 is 0 bytes, and if $1/keyrings
+# is a directory
+function is_blackbox_repo() {
+  if [[ -n "$1" ]] && [[ -d "$1/keyrings" ]]; then
+    return 0 # Yep, its a repo
+  else
+    return 1
+  fi
+}
 
 # Return error if not on cryptlist.
 function is_on_cryptlist() {
   # Assumes $1 does NOT have the .gpg extension
-  local rname=$(vcs_relative_path "$1")
+  file_contains_line "$BB_FILES" "$(vcs_relative_path "$1")"
-  grep -F -x -s -q "$rname" "$BB_FILES"
 }
 
 # Exit with error if a file exists.
 function fail_if_exists() {
   if [[ -f "$1" ]]; then
-    echo ERROR: "$1" exists.  "$2"
+    echo ERROR: "$1" exists.  "$2" >&2
-    echo Exiting...
+    echo Exiting... >&2
     exit 1
   fi
 }
@@ -77,18 +99,17 @@ function fail_if_exists() {
 # Exit with error if a file is missing.
 function fail_if_not_exists() {
   if [[ ! -f "$1" ]]; then
-    echo ERROR: "$1" not found.  "$2"
+    echo ERROR: "$1" not found.  "$2" >&2
-    echo Exiting...
+    echo Exiting... >&2
     exit 1
   fi
 }
 
 # Exit we we aren't in a VCS repo.
 function fail_if_not_in_repo() {
-  _determine_vcs_base_and_type
   if [[ $VCS_TYPE = "unknown" ]]; then
-    echo "ERROR: This must be run in a VCS repo: git, hg, or svn."
+    echo "ERROR: This must be run in a VCS repo: git, hg, or svn." >&2
-    echo Exiting...
+    echo Exiting... >&2
     exit 1
   fi
 }
@@ -100,9 +121,9 @@ function fail_if_not_on_cryptlist() {
   local name="$1"
 
   if ! is_on_cryptlist "$name" ; then
-    echo "ERROR: $name not found in $BB_FILES"
+    echo "ERROR: $name not found in $BB_FILES" >&2
-    echo "PWD="$(/bin/pwd)
+    echo "PWD=$(/bin/pwd)" >&2
-    echo 'Exiting...'
+    echo 'Exiting...' >&2
     exit 1
   fi
 }
@@ -110,48 +131,75 @@ function fail_if_not_on_cryptlist() {
 # Exit with error if keychain contains secret keys.
 function fail_if_keychain_has_secrets() {
   if [[ -s ${SECRING} ]]; then
-    echo 'ERROR: The file' "$SECRING" 'should be empty.'
+    echo 'ERROR: The file' "$SECRING" 'should be empty.' >&2
-    echo 'Did someone accidentally add this private key to the ring?'
+    echo 'Did someone accidentally add this private key to the ring?' >&2
-    echo 'Exiting...'
+    echo 'Exiting...' >&2
     exit 1
   fi
 }
 
+function get_pubring_path() {
+  if [[ -f "${KEYRINGDIR}/pubring.gpg" ]]; then
+    echo "${KEYRINGDIR}/pubring.gpg"
+  else
+    echo "${KEYRINGDIR}/pubring.kbx"
+  fi
+}
+
 # Output the unencrypted filename.
 function get_unencrypted_filename() {
-  echo $(dirname "$1")/$(basename "$1" .gpg) | sed -e 's#^\./##'
+  echo "$(dirname "$1")/$(basename "$1" .gpg)" | sed -e 's#^\./##'
 }
 
 # Output the encrypted filename.
 function get_encrypted_filename() {
-  echo $(dirname "$1")/$(basename "$1" .gpg).gpg | sed -e 's#^\./##'
+  echo "$(dirname "$1")/$(basename "$1" .gpg).gpg" | sed -e 's#^\./##'
 }
 
 # Prepare keychain for use.
 function prepare_keychain() {
-  echo '========== Importing keychain: START'
+  echo '========== Importing keychain: START' >&2
-  gpg --import "${PUBRING}" 2>&1 | egrep -v 'not changed$'
+  $GPG --import "$(get_pubring_path)" 2>&1 | egrep -v 'not changed$' >&2
-  echo '========== Importing keychain: DONE'
+  echo '========== Importing keychain: DONE' >&2
 }
 
 # Add file to list of encrypted files.
 function add_filename_to_cryptlist() {
   # If the name is already on the list, this is a no-op.
   # However no matter what the datestamp is updated.
-  local name=$(vcs_relative_path "$1")
+  
+  # https://github.com/koalaman/shellcheck/wiki/SC2155
+  local name
+  name=$(vcs_relative_path "$1")
 
-  if grep -s -q "$name" "$BB_FILES" ; then
+  if file_contains_line "$BB_FILES" "$name" ; then
-    echo ========== File is registered. No need to add to list.
+    echo "========== File is registered. No need to add to list."
   else
-    echo ========== Adding file to list.
+    echo "========== Adding file to list."
     touch "$BB_FILES"
     sort -u -o "$BB_FILES" <(echo "$name") "$BB_FILES"
   fi
 }
 
+# Removes a file from the list of encrypted files
+function remove_filename_from_cryptlist() {
+  # If the name is not already on the list, this is a no-op.
+
+  # https://github.com/koalaman/shellcheck/wiki/SC2155
+  local name
+  name=$(vcs_relative_path "$1")
+
+  if ! file_contains_line "$BB_FILES" "$name" ; then
+    echo "========== File is not registered. No need to remove from list."
+  else
+    echo "========== Removing file from list."
+    remove_line "$BB_FILES" "$name"
+  fi
+}
+
 # Print out who the current BB ADMINS are:
 function disclose_admins() {
-  echo ========== blackbox administrators are:
+  echo "========== blackbox administrators are:"
   cat "$BB_ADMINS"
 }
 
@@ -162,9 +210,9 @@ function encrypt_file() {
   unencrypted="$1"
   encrypted="$2"
 
-  echo "========== Encrypting: $unencrypted"
+  echo "========== Encrypting: $unencrypted" >&2
-  gpg --yes --trust-model=always --encrypt -o "$encrypted"  $(awk '{ print "-r" $1 }' < "$BB_ADMINS") "$unencrypted"
+  $GPG --use-agent --yes --trust-model=always --encrypt -o "$encrypted"  $(awk '{ print "-r" $1 }' < "$BB_ADMINS") "$unencrypted" >&2
-  echo '========== Encrypting: DONE'
+  echo '========== Encrypting: DONE' >&2
 }
 
 # Decrypt .gpg file, asking "yes/no" before overwriting unencrypted file.
@@ -175,12 +223,12 @@ function decrypt_file() {
   encrypted="$1"
   unencrypted="$2"
 
-  echo "========== EXTRACTING $unencrypted"
+  echo "========== EXTRACTING $unencrypted" >&2
 
   old_umask=$(umask)
-  umask $DECRYPT_UMASK
+  umask "$DECRYPT_UMASK"
-  gpg -q --decrypt -o "$unencrypted" "$encrypted"
+  $GPG --use-agent -q --decrypt -o "$unencrypted" "$encrypted" >&2
-  umask $old_umask
+  umask "$old_umask"
 }
 
 # Decrypt .gpg file, overwriting unencrypted file if it exists.
@@ -200,13 +248,13 @@ function decrypt_file_overwrite() {
   fi
 
   old_umask=$(umask)
-  umask $DECRYPT_UMASK
+  umask "$DECRYPT_UMASK"
-  gpg --yes -q --decrypt -o "$unencrypted" "$encrypted"
+  $GPG --use-agent --yes -q --decrypt -o "$unencrypted" "$encrypted" >&2
-  umask $old_umask
+  umask "$old_umask"
 
   new_hash=$(md5sum_file "$unencrypted")
-  if [[ $old_hash != $new_hash ]]; then
+  if [[ "$old_hash" != "$new_hash" ]]; then
-    echo "========== EXTRACTED $unencrypted"
+    echo "========== EXTRACTED $unencrypted" >&2
   fi
 }
 
@@ -217,10 +265,10 @@ function shred_file() {
   local OPT
   name="$1"
 
-  if which shred >/dev/null ; then
+  if which shred >/dev/null 2>/dev/null ; then
     CMD=shred
     OPT=-u
-  elif which srm >/dev/null ; then
+  elif which srm >/dev/null 2>/dev/null ; then
     #NOTE: srm by default uses 35-pass Gutmann algorithm
     CMD=srm
     OPT=-f
@@ -244,17 +292,69 @@ function enumerate_subdirs() {
   while read filename; do
     dir=$(dirname "$filename")
     while [[ $dir != '.' && $dir != '/' ]]; do
-      echo $dir
+      echo "$dir"
-      dir=$(dirname $dir)
+      dir=$(dirname "$dir")
     done
   done <"$listfile" | sort -u
 }
+ 
+
+# chdir to the base of the repo.
+function change_to_vcs_root() {
+  # if vcs_root not explicitly defined, use $REPOBASE
+
+  local rbase=${1:-$REPOBASE} # use $1 but if unset use $REPOBASE
+
+  cd "$rbase"
+
+}
+
+# $1 is a string pointing to a directory.  Outputs a
+# list of  valid blackbox repos,relative to $1
+function enumerate_blackbox_repos() {
+  if [[ -z "$1" ]]; then
+    echo "enumerate_blackbox_repos: ERROR: No Repo provided to Enumerate"
+    exit 1
+  fi
+
+  # https://github.com/koalaman/shellcheck/wiki/Sc2045
+  for dir in $1*/; do
+    if is_blackbox_repo "$dir"; then
+      echo "$dir"
+    fi
+  done
+}
 
 # Output the path of a file relative to the repo base
 function vcs_relative_path() {
   # Usage: vcs_relative_path file
   local name="$1"
-  python -c 'import os ; print(os.path.relpath("'$(pwd -P)'/'"$name"'", "'"$REPOBASE"'"))'
+  #python -c 'import os ; print(os.path.relpath("'"$(pwd -P)"'/'"$name"'", "'"$REPOBASE"'"))'
+  local p=$( printf "%s" "$( pwd -P )/${1}" | sed 's#//*#/#g' )
+  local name="${p#$REPOBASE}"
+  name=$( printf "%s" "$name" | sed 's#^/##g' | sed 's#/$##g' )
+  printf "%s" "$name"
+}
+
+# Removes a line from a text file
+function remove_line() {
+  local tempfile
+
+  make_self_deleting_tempfile tempfile
+
+  # Ensure source file exists
+  touch "$1"
+  grep -Fsxv "$2" "$1" > "$tempfile" || true
+
+  # Using cat+rm instead of cp will preserve permissions/ownership
+  cat "$tempfile" > "$1"
+}
+
+# Determine if a file contains a given line
+function file_contains_line() {
+  # $1: the file
+  # $2: the line
+  grep -xsqF "$2" "$1"
 }
 
 #
@@ -271,35 +371,40 @@ function md5sum_file() {
     Darwin )
       md5 -r "$1" | awk '{ print $1 }'
       ;;
-    Linux )
+    Linux | CYGWIN* | MINGW* )
-      md5sum "$1" | awk '{ print $1 }'
-      ;;
-    CYGWIN* )
       md5sum "$1" | awk '{ print $1 }'
       ;;
     * )
-      echo 'ERROR: Unknown OS. Exiting.'
+      echo 'ERROR: Unknown OS. Exiting. (md5sum_file)'
       exit 1
       ;;
   esac
 }
 
+function cp_permissions() {
+  # Copy the perms of $1 onto $2 .. end.
+  case $(uname -s) in
+    Darwin )
+      chmod $( stat -f '%p' "$1" ) "${@:2}"
+      ;;
+    Linux | CYGWIN* | MINGW* )
+      chmod --reference "$1" "${@:2}"
+      ;;
+    * )
+      echo 'ERROR: Unknown OS. Exiting. (cp_permissions)'
+      exit 1
+      ;;
+  esac
+}
+
+
 #
 # Abstract the difference between git and hg:
 #
 
-# Are we in git, hg, or unknown repo?
-function which_vcs() {
-  if [[ $VCS_TYPE = '' ]]; then
-    _determine_vcs_base_and_type >/dev/null
-  fi
-  echo "$VCS_TYPE"
-}
-
-
 # Is this file in the current repo?
 function is_in_vcs() {
-  is_in_$(which_vcs) """$@"""
+  is_in_$VCS_TYPE "$@"
 }
 # Mercurial
 function is_in_hg() {
@@ -332,75 +437,198 @@ function is_in_svn() {
     echo true
   else
     echo false
-  fi 
+  fi
+}
+# Perforce
+function is_in_p4() {
+  local filename
+  filename="$1"
+
+  if p4 list "$filename" ; then
+    echo true
+  else
+    echo false
+  fi
+}
+# No repo
+function is_in_unknown() {
+  echo true
 }
 
 
 # Add a file to the repo (but don't commit it).
 function vcs_add() {
-  vcs_add_$(which_vcs) """$@"""
+  vcs_add_$VCS_TYPE "$@"
 }
 # Mercurial
 function vcs_add_hg() {
-  hg add """$@"""
+  hg add "$@"
 }
 # Git
 function vcs_add_git() {
-  git add """$@"""
+  git add "$@"
 }
 # Subversion
 function vcs_add_svn() {
-  svn add --parents """$@"""
+  svn add --parents "$@"
+}
+# Perfoce
+function vcs_add_p4() {
+  p4 add "$@"
+}
+# No repo
+function vcs_add_unknown() {
+  :
 }
 
 
 # Commit a file to the repo
 function vcs_commit() {
-  vcs_commit_$(which_vcs) """$@"""
+  vcs_commit_$VCS_TYPE "$@"
 }
 # Mercurial
 function vcs_commit_hg() {
-  hg commit -m"""$@"""
+  hg commit -m "$@"
 }
 # Git
 function vcs_commit_git() {
-  git commit -m"""$@"""
+  git commit -m "$@"
 }
 # Subversion
 function vcs_commit_svn() {
-  svn commit -m"""$@"""
+  svn commit -m "$@"
+}
+# Perforce
+function vcs_commit_p4() {
+  p4 submit -d "$@"
+}
+# No repo
+function vcs_commit_unknown() {
+  :
 }
-
 
 
 # Remove file from repo, even if it was deleted locally already.
 # If it doesn't exist yet in the repo, it should be a no-op.
 function vcs_remove() {
-  vcs_remove_$(which_vcs) """$@"""
+  vcs_remove_$VCS_TYPE "$@"
 }
 # Mercurial
 function vcs_remove_hg() {
-  hg rm -A -- """$@"""
+  hg rm -A -- "$@"
 }
 # Git
 function vcs_remove_git() {
-  git rm --ignore-unmatch -f -- """$@"""
+  git rm --ignore-unmatch -f -- "$@"
 }
 # Subversion
 function vcs_remove_svn() {
-  svn delete """$@"""
+  svn delete "$@"
+}
+# Perforce
+function vcs_remove_p4() {
+  p4 delete "$@"
+}
+# No repo
+function vcs_remove_unknown() {
+  :
 }
 
-function change_to_root() {
+# Get a path for the ignore file if possible in current vcs
-    # If BASEDIR is not set, use REPOBASE.
+function vcs_ignore_file_path() {
-    if [[ "$BASEDIR" = "" ]]; then
+  vcs_ignore_file_path_$VCS_TYPE
-      BASEDIR="$REPOBASE"
+}
-    fi
+# Mercurial
-
+function vcs_ignore_file_path_hg() {
-    if [[ "$BASEDIR" = "/dev/null" ]]; then
+  echo "$REPOBASE/.hgignore"
-      echo 'WARNING: Not in a VCS repo.  Not changing directory.'
+}
-    else
+# Git
-      echo "CDing to $BASEDIR"
+function vcs_ignore_file_path_git() {
-      cd "$BASEDIR"
+  echo "$REPOBASE/.gitignore"
-    fi
+}
+
+
+# Ignore a file in a repo.  If it was already ignored, this is a no-op.
+function vcs_ignore() {
+  local file
+  for file in "$@"; do
+    vcs_ignore_$VCS_TYPE "$file"
+  done
+}
+# Mercurial
+function vcs_ignore_hg() {
+  vcs_ignore_generic_file "$(vcs_ignore_file_path)" "$file"
+}
+# Git
+function vcs_ignore_git() {
+  vcs_ignore_generic_file "$(vcs_ignore_file_path)" "$file"
+}
+# Subversion
+function vcs_ignore_svn() {
+  svn propset svn:ignore "$(vcs_relative_path "$file")"
+}
+# Perforce
+function vcs_ignore_p4() {
+  :
+}
+# No repo
+function vcs_ignore_unknown() {
+  :
+}
+# Generic - add line to file
+function vcs_ignore_generic_file() {
+  local file
+  file="$(vcs_relative_path "$2")"
+  file="${file/\$\//}"
+  file="$(echo "/$file" | sed 's/\([\*\?]\)/\\\1/g')"
+  if ! file_contains_line "$1" "$file" ; then
+    echo "$file" >> "$1"
+    vcs_add "$1"
+  fi
+}
+
+
+# Notice (un-ignore) a file in a repo.  If it was not ignored, this is
+# a no-op
+function vcs_notice() {
+  local file
+  for file in "$@"; do
+    vcs_notice_$VCS_TYPE "$file"
+  done
+}
+# Mercurial
+function vcs_notice_hg() {
+  vcs_notice_generic_file "$REPOBASE/.hgignore" "$file"
+}
+# Git
+function vcs_notice_git() {
+  vcs_notice_generic_file "$REPOBASE/.gitignore" "$file"
+}
+# Subversion
+function vcs_notice_svn() {
+  svn propdel svn:ignore "$(vcs_relative_path "$file")"
+}
+# Perforce
+function vcs_notice_p4() {
+  :
+}
+# No repo
+function vcs_notice_unknown() {
+  :
+}
+# Generic - remove line to file
+function vcs_notice_generic_file() {
+  local file
+  file="$(vcs_relative_path "$2")"
+  file="${file/\$\//}"
+  file="$(echo "/$file" | sed 's/\([\*\?]\)/\\\1/g')"
+  if file_contains_line "$1" "$file" ; then
+    remove_line "$1" "$file"
+    vcs_add "$1"
+  fi
+  if file_contains_line "$1" "${file:1}" ; then
+    echo "WARNING:  Found a non-absolute ignore match in $1"
+    echo "WARNING:  Confirm the pattern is intended to only exclude $file"
+    echo "WARNING:  If so, manually update the ignore file"
+  fi
 }

bin/_blackbox_common_test.sh

@@ -0,0 +1,25 @@
+#!/usr/bin/env bash
+
+#
+# _blackbox_common_test.sh -- Unit tests of functions from _blackbox_common.sh
+#
+
+set -e
+. "${0%/*}/_blackbox_common.sh"
+. tools/test_functions.sh
+
+PHASE 'Test cp-permissions: TestA'
+touch TestA TestB TestC TestD
+chmod 0347 TestA
+chmod 0700 TestB
+chmod 0070 TestC
+chmod 0070 TestD
+cp_permissions TestA TestB TestC
+# NOTE: cp_permissions is not touching TestD.
+assert_file_perm '--wxr--rwx' TestA
+assert_file_perm '--wxr--rwx' TestB
+assert_file_perm '--wxr--rwx' TestC
+assert_file_perm '----rwx---' TestD  # TestD doesn't change.
+rm -f TestA TestB TestC TestD
+
+echo '========== DONE.'

bin/_stack_lib.sh

@@ -1,6 +1,9 @@
 # Library functions for bash scripts at Stack Exchange.
 
+# NOTE: This file is open sourced. Do not put Stack-proprietary code here.
+
 # Usage:
+#
 #   set -e
 #   . _stack_lib.sh
 
@@ -8,13 +11,13 @@
 
 function debugmsg() {
   # Log to stderr.
-  echo 1>&2 LOG: """$@"""
+  echo 1>&2 LOG: "$@"
   :
 }
 
 function logit() {
   # Log to stderr.
-  echo 1>&2 LOG: """$@"""
+  echo 1>&2 LOG: "$@"
 }
 
 function fail_out() {
@@ -46,6 +49,48 @@ function add_on_exit()
     fi
 }
 
+function create_self_deleting_tempfile() {
+  local filename
+
+  case $(uname -s) in
+    Darwin )
+      : "${TMPDIR:=/tmp}"
+      filename=$(mktemp -t _stacklib_.XXXXXXXX )
+      ;;
+    Linux | CYGWIN* | MINGW* )
+      filename=$(mktemp)
+      ;;
+    * )
+      echo 'ERROR: Unknown OS. Exiting. (create_self_deleting_tempfile)'
+      exit 1
+      ;;
+  esac
+
+  add_on_exit rm -f "$filename"
+  echo "$filename"
+}
+
+function create_self_deleting_tempdir() {
+  local filename
+
+  case $(uname -s) in
+    Darwin )
+      : "${TMPDIR:=/tmp}"
+      filename=$(mktemp -d -t _stacklib_.XXXXXXXX )
+      ;;
+    Linux | CYGWIN* | MINGW* )
+      filename=$(mktemp -d)
+      ;;
+    * )
+      echo 'ERROR: Unknown OS. Exiting. (create_self_deleting_tempdir)'
+      exit 1
+      ;;
+  esac
+
+  add_on_exit rm -rf "$filename"
+  echo "$filename"
+}
+
 # Securely and portably create a temporary file that will be deleted
 # on EXIT.  $1 is the variable name to store the result.
 function make_self_deleting_tempfile() {
@@ -54,17 +99,14 @@ function make_self_deleting_tempfile() {
 
   case $(uname -s) in
     Darwin )
-      : ${TMPDIR:=/tmp} ;
+      : "${TMPDIR:=/tmp}"
-      name=$(mktemp -t _stacklib_ )
+      name=$(mktemp -t _stacklib_.XXXXXXXX )
       ;;
-    Linux )
+    Linux | CYGWIN* | MINGW* )
-      name=$(mktemp)
-      ;;
-    CYGWIN* )
       name=$(mktemp)
       ;;
     * )
-      echo 'ERROR: Unknown OS. Exiting.'
+      echo 'ERROR: Unknown OS. Exiting. (make_self_deleting_tempfile)'
       exit 1
       ;;
   esac
@@ -79,17 +121,14 @@ function make_tempdir() {
 
   case $(uname -s) in
     Darwin )
-      : ${TMPDIR:=/tmp} ;
+      : "${TMPDIR:=/tmp}"
-      name=$(mktemp -d -t _stacklib_ )
+      name=$(mktemp -d -t _stacklib_.XXXXXXXX )
       ;;
-    Linux )
+    Linux | CYGWIN* | MINGW* )
-      name=$(mktemp -d)
-      ;;
-    CYGWIN* )
       name=$(mktemp -d)
       ;;
     * )
-      echo 'ERROR: Unknown OS. Exiting.'
+      echo 'ERROR: Unknown OS. Exiting. (make_tempdir)'
       exit 1
       ;;
   esac
@@ -99,12 +138,12 @@ function make_tempdir() {
 
 function make_self_deleting_tempdir() {
   local __resultvar="$1"
-  local dirname
+  local dname
 
-  make_tempdir dirname
+  make_tempdir dname
 
-  add_on_exit rm -rf "$dirname"
+  add_on_exit rm -rf "$dname"
-  eval $__resultvar="$dirname"
+  eval $__resultvar="$dname"
 }
 
 function fail_if_not_running_as_root() {
@@ -125,14 +164,7 @@ function fail_if_in_root_directory() {
         exit 1
       fi
       ;;
-    Linux )
+    Linux | CYGWIN* | MINGW* )
-      if [[ $(stat -c'%i' / ) == $(stat -c'%i' . ) ]] ; then
-        echo 'SECURITY ALERT: The current directory is the root directory.'
-        echo 'Exiting...'
-        exit 1
-      fi
-      ;;
-    CYGWIN* )
       if [[ $(stat -c'%i' / ) == $(stat -c'%i' . ) ]] ; then
         echo 'SECURITY ALERT: The current directory is the root directory.'
         echo 'Exiting...'
@@ -140,7 +172,7 @@ function fail_if_in_root_directory() {
       fi
       ;;
     * )
-      echo 'ERROR: Unknown OS. Exiting.'
+      echo 'ERROR: Unknown OS. Exiting. (fail_if_in_root_directory)'
       exit 1
       ;;
   esac

bin/blackbox_addadmin

@@ -9,24 +9,12 @@
 #
 
 set -e
-blackbox_home=$( cd "$( dirname "${BASH_SOURCE[0]}" )" && pwd )
+source "${0%/*}/_blackbox_common.sh"
-source ${blackbox_home}/_blackbox_common.sh
-source ${blackbox_home}/_stack_lib.sh
 
 fail_if_not_in_repo
 
 KEYNAME="$1"
-: ${KEYNAME:?ERROR: First argument must be a keyname (email address)} ;
+: "${KEYNAME:?ERROR: First argument must be a keyname (email address)}" ;
-
-# The second argument, if present, is the directory to find the GPG keys to be imported.
-if [[ "$2" == "" ]]; then
-  GPGEXPORTOPTIONS=""
-else
-  GPGEXPORTOPTIONS=--homedir="${2}"
-fi
-# TODO(tlim): This could probably be done with GNUPGHOME
-# but that affects all commands; we just want it to affect the key export.
-
 
 # Add the email address to the BB_ADMINS file.  Remove any duplicates.
 # The file must exist for sort to act as we expect.
@@ -38,18 +26,28 @@ sort  -fdu -o "$BB_ADMINS" <(echo "$1") "$BB_ADMINS"
 
 # Extract it:
 make_self_deleting_tempfile pubkeyfile
-gpg $GPGEXPORTOPTIONS --export -a "$KEYNAME" >"$pubkeyfile"
+
+# The second argument, if present, is the directory to find the GPG keys to be imported.
+if [[ -z $2 ]]; then
+  $GPG --export -a "$KEYNAME" >"$pubkeyfile"
+else
+  # TODO(tlim): This could probably be done with GNUPGHOME
+  # but that affects all commands; we just want it to affect the key export.
+  $GPG --homedir="$2" --export -a "$KEYNAME" >"$pubkeyfile"
+fi
+
 if [[ $(wc -l < "$pubkeyfile") = 0 ]]; then
-  fail_out "GPG key '$KEYNAME' not found.  Please create it with: gpg --gen-key"
+  fail_out "GPG key '$KEYNAME' not found.  Please create it with: $GPG --gen-key"
   exit 1
 fi
 
 # Import it:
-gpg --no-permission-warning --homedir="$KEYRINGDIR" --import "$pubkeyfile"
+$GPG --no-permission-warning --homedir="$KEYRINGDIR" --import "$pubkeyfile"
-vcs_add "$KEYRINGDIR/pubring.gpg" "$KEYRINGDIR/trustdb.gpg" "$BB_ADMINS"
+pubring_path=$(get_pubring_path)
+vcs_add "$pubring_path" "$KEYRINGDIR/trustdb.gpg" "$BB_ADMINS"
 
 # Make a suggestion:
 echo
 echo
 echo 'NEXT STEP: You need to manually check these in:'
-echo '     ' $VCS_TYPE commit -m\'NEW ADMIN: $KEYNAME\' "$BLACKBOXDATA/pubring.gpg" "$BLACKBOXDATA/trustdb.gpg" "$BLACKBOXDATA/$BB_ADMINS_FILE"
+echo '     ' $VCS_TYPE commit -m\'NEW ADMIN: $KEYNAME\' "$BLACKBOXDATA/$(basename ${pubring_path})" "$BLACKBOXDATA/trustdb.gpg" "$BLACKBOXDATA/$BB_ADMINS_FILE"

bin/blackbox_cat

@@ -1,17 +1,16 @@
 #!/usr/bin/env bash
 
 #
-# blackbox_cat.sh -- Decrypt a file, cat it, shred it
+# blackbox_cat -- Decrypt a file, cat it, shred it
 #
 set -e
-blackbox_home=$( cd "$( dirname "${BASH_SOURCE[0]}" )" && pwd )
+source "${0%/*}/_blackbox_common.sh"
-source ${blackbox_home}/_blackbox_common.sh
 
-for param in """$@""" ; do
+for param in "$@" ; do
   shreddable=0
   unencrypted_file=$(get_unencrypted_filename "$param")
   if [[ ! -e "$unencrypted_file" ]]; then
-    blackbox_edit_start "$param"
+    "${BLACKBOX_HOME}/blackbox_edit_start" "$param"
     shreddable=1
   fi
   cat "$unencrypted_file"

bin/blackbox_decrypt_all_files

@@ -0,0 +1,22 @@
+#!/usr/bin/env bash
+
+#
+# blackbox_decrypt_all_files -- Decrypt all blackbox files (INTERACTIVE).
+#
+
+# Usage:
+#   blackbox_decrypt_all_files [GROUP]
+#       GROUP is optional.  If supplied, the resulting files
+#       are chgrp'ed to that group.
+
+# Since this is often run in a security-critical situation, we
+# force /usr/bin and /bin to the front of the PATH.
+export PATH=/usr/bin:/bin:"$PATH"
+
+set -e
+
+if [[ -z $GPG_AGENT_INFO ]]; then
+  eval $(gpg-agent --daemon)
+fi
+
+exec blackbox_postdeploy "$@"

bin/blackbox_deregister_file

@@ -0,0 +1,34 @@
+#!/usr/bin/env bash
+
+#
+# blackbox_deregister_file -- Remove a file from the blackbox system.
+#
+# Takes an encrypted file and removes it from the blackbox system.
+# The encrypted file will also be removed from the filesystem.
+# The unencrypted file, if it exists, will be left alone.
+
+set -e
+source "${0%/*}/_blackbox_common.sh"
+
+unencrypted_file=$(get_unencrypted_filename "$1")
+encrypted_file=$(get_encrypted_filename "$1")
+
+if [[ "$1" == "$unencrypted_file" ]]; then
+  echo ERROR: Please only deregister encrypted files.
+  exit 1
+fi
+
+echo ========== PLAINFILE "$unencrypted_file"
+echo ========== ENCRYPTED "$encrypted_file"
+
+fail_if_not_exists "$encrypted_file" "Please specify an existing file."
+
+prepare_keychain
+remove_filename_from_cryptlist "$unencrypted_file"
+vcs_remove "$encrypted_file"
+vcs_add "$BB_FILES" 
+
+vcs_commit "Removing from blackbox: ${unencrypted_file}" "$BB_FILES" "$encrypted_file"
+echo "========== UPDATING VCS: DONE"
+echo "Local repo updated.  Please push when ready."
+echo "    $VCS_TYPE push"

bin/blackbox_diff

@@ -0,0 +1,52 @@
+#!/usr/bin/env bash
+
+#
+# blackbox_diff -- Show all differences.
+#
+
+set -e
+source "${0%/*}/_blackbox_common.sh"
+
+if [[ -z $GPG_AGENT_INFO ]]; then
+  echo 'WARNING: You probably want to run gpg-agent as'
+  echo 'you will be asked for your passphrase many times.'
+  echo 'Example: $ eval $(gpg-agent --daemon)'
+  read -r -p 'Press CTRL-C now to stop. ENTER to continue: '
+fi
+
+prepare_keychain
+
+modified_files=()
+modifications=()
+echo '========== DIFFING FILES: START'
+while IFS= read <&99 -r unencrypted_file; do
+  unencrypted_file=$(get_unencrypted_filename "$unencrypted_file")
+  encrypted_file=$(get_encrypted_filename "$unencrypted_file")
+  fail_if_not_on_cryptlist "$unencrypted_file"
+  if [[ -f "$unencrypted_file" ]]; then
+    out=$(diff -u <($GPG --yes -q --decrypt "$encrypted_file") "$unencrypted_file" || true)
+    if [ "$out" != "" ]; then
+      modified_files+=("$unencrypted_file")
+      modifications+=("$out")
+    fi
+  fi
+done 99<"$BB_FILES"
+modified_files_number=${#modified_files[@]}
+for (( i=0; i<${modified_files_number}; i++ )); do
+  echo ========== PROCESSING '"'${modified_files[$i]}'"'
+  echo -e "${modifications[$i]}\n"
+done
+echo '========== DIFFING FILES: DONE'
+
+fail_if_keychain_has_secrets
+
+echo '========== DONE.'
+
+if [ ${#modified_files[@]} -eq 0 ] ; then
+  exit 0
+fi
+
+echo 'Likely next steps:'
+for f in "${modified_files[@]}" ; do
+  echo "    blackbox_edit_end" '"'$f'"'
+done

bin/blackbox_edit

@@ -1,27 +1,33 @@
 #!/usr/bin/env bash
 
 #
-# blackbox_edit.sh -- Decrypt a file temporarily for edition, then re-encrypts it again
+# blackbox_edit -- Decrypt a file temporarily for edition, then re-encrypts it again
 #
 set -e
-blackbox_home=$( cd "$( dirname "${BASH_SOURCE[0]}" )" && pwd )
+source "${0%/*}/_blackbox_common.sh"
-source ${blackbox_home}/_blackbox_common.sh
+
+for param in "$@" ; do
 
-for param in """$@""" ; do
   unencrypted_file=$(get_unencrypted_filename "$param")
-  if  ! is_on_cryptlist "$param" && ! is_on_cryptlist "$unencrypted_file" ; then
+  encrypted_file=$(get_encrypted_filename "$param")
+
+  echo >&2 ========== PLAINFILE '"'$unencrypted_file'"'
+  echo >&2 ========== ENCRYPTED '"'$encrypted_file'"'
+
+  if  ! is_on_cryptlist "$encrypted_file" && ! is_on_cryptlist "$unencrypted_file" ; then
     read -r -p "Encrypt file $param? (y/n) " ans
     case "$ans" in
       y* | Y*)
-        blackbox_register_new_file "$param"
+        "${BLACKBOX_HOME}/blackbox_register_new_file" "$unencrypted_file"
         ;;
       *)
-        echo 'Skipping...'
+        echo >&2 'Skipping...'
         continue
         ;;
     esac
   fi
-  blackbox_edit_start "$param"
+  "${BLACKBOX_HOME}/blackbox_edit_start" "$unencrypted_file"
-  $EDITOR $(get_unencrypted_filename $param)
+  $EDITOR "$(get_unencrypted_filename "$unencrypted_file")"
-  blackbox_edit_end "$param"
+  "${BLACKBOX_HOME}/blackbox_edit_end" "$unencrypted_file"
+
 done

bin/blackbox_edit_end

@@ -5,23 +5,31 @@
 #
 
 set -e
-blackbox_home=$( cd "$( dirname "${BASH_SOURCE[0]}" )" && pwd )
+source "${0%/*}/_blackbox_common.sh"
-source ${blackbox_home}/_blackbox_common.sh
 
-unencrypted_file=$(get_unencrypted_filename "$1")
+next_steps=()
-encrypted_file=$(get_encrypted_filename "$1")
-echo ========== PLAINFILE "$unencrypted_file"
-echo ========== ENCRYPTED "$encrypted_file"
 
-fail_if_not_on_cryptlist "$unencrypted_file"
+for param in "$@" ; do
-fail_if_not_exists "$unencrypted_file" "No unencrypted version to encrypt!"
-fail_if_keychain_has_secrets
 
-encrypt_file "$unencrypted_file" "$encrypted_file"
+  unencrypted_file=$(get_unencrypted_filename "$param")
-shred_file "$unencrypted_file"
+  encrypted_file=$(get_encrypted_filename "$param")
 
-_determine_vcs_base_and_type
+  echo >&2 ========== PLAINFILE '"'$unencrypted_file'"'
+  echo >&2 ========== ENCRYPTED '"'$encrypted_file'"'
 
-echo "========== UPDATED ${encrypted_file}"
+  fail_if_not_on_cryptlist "$unencrypted_file"
-echo "Likely next step:"
+  fail_if_not_exists "$unencrypted_file" "No unencrypted version to encrypt!"
-echo "    $VCS_TYPE commit -m\"${encrypted_file} updated\" $encrypted_file"
+  fail_if_keychain_has_secrets
+
+  encrypt_file "$unencrypted_file" "$encrypted_file"
+  shred_file "$unencrypted_file"
+  echo >&2 ========== UPDATED '"'$encrypted_file'"'
+  next_steps+=( "    $VCS_TYPE commit -m\"${encrypted_file} updated\" \"$encrypted_file\"" )
+
+done
+
+echo >&2 "Likely next step:"
+for x in "${next_steps[@]}"
+do
+  echo >&2 "$x"
+done

bin/blackbox_edit_start

@@ -1,17 +1,18 @@
 #!/usr/bin/env bash
 
 #
-# blackbox_edit_start.sh -- Decrypt a file for editing.
+# blackbox_edit_start -- Decrypt a file for editing.
 #
 
 set -e
-blackbox_home=$( cd "$( dirname "${BASH_SOURCE[0]}" )" && pwd )
+source "${0%/*}/_blackbox_common.sh"
-source ${blackbox_home}/_blackbox_common.sh
+
+for param in "$@" ; do
 
-for param in """$@""" ; do
   unencrypted_file=$(get_unencrypted_filename "$param")
   encrypted_file=$(get_encrypted_filename "$param")
-  echo ========== PLAINFILE "$unencrypted_file"
+
+  echo >&2 ========== PLAINFILE '"'$unencrypted_file'"'
 
   fail_if_not_on_cryptlist "$unencrypted_file"
   fail_if_not_exists "$encrypted_file" "This should not happen."
@@ -19,10 +20,12 @@ for param in """$@""" ; do
     rm -f "$unencrypted_file"
   fi
   if [[ -f "$unencrypted_file" ]]; then
-    echo SKIPPING: "$1" "Will not overwrite non-empty files."
+    echo >&2 SKIPPING: "$1" "Will not overwrite non-empty files."
     continue
   fi
 
   prepare_keychain
+  # FIXME(tlim): prepare_keychain only needs to run once, outside of the loop.
   decrypt_file "$encrypted_file" "$unencrypted_file"
+
 done

bin/blackbox_initialize

@@ -9,10 +9,7 @@
 #
 
 set -e
-blackbox_home=$( cd "$( dirname "${BASH_SOURCE[0]}" )" && pwd )
+source "${0%/*}/_blackbox_common.sh"
-source ${blackbox_home}/_blackbox_common.sh
-
-_determine_vcs_base_and_type  # Sets VCS_TYPE
 
 if [[ $1 != 'yes' ]]; then
   read -r -p "Enable blackbox for this $VCS_TYPE repo? (yes/no) " ans
@@ -22,34 +19,19 @@ if [[ $1 != 'yes' ]]; then
   fi
 fi
 
-echo cd "$REPOBASE"
+change_to_vcs_root
-cd "$REPOBASE"
 
 echo VCS_TYPE: $VCS_TYPE
-
+vcs_ignore keyrings/live/pubring.gpg~ keyrings/live/pubring.kbx~ keyrings/live/secring.gpg
-if [[ $VCS_TYPE = "git" || $VCS_TYPE = "hg" ]]; then
-  # Update .gitignore or .hgignore
-
-  IGNOREFILE=".${VCS_TYPE}ignore"
-  if ! grep -sx >/dev/null 'pubring.gpg~' "$IGNOREFILE" ; then
-    echo 'pubring.gpg~' >>"$IGNOREFILE"
-  fi
-  if ! grep -sx >/dev/null 'secring.gpg' "$IGNOREFILE" ; then
-    echo 'secring.gpg' >>"$IGNOREFILE"
-  fi
-elif [[ $VCS_TYPE = "svn" ]]; then
-  # add file to svn ignore propset
-  IGNOREFILE="";
-  svn propset svn:ignore 'pubring.gpg~
-secring.gpg' .
-  svn commit -m "ignore file list"
-fi
 
 # Make directories
 mkdir -p "${KEYRINGDIR}"
 vcs_add "${KEYRINGDIR}"
 touch "$BLACKBOXDATA/$BB_ADMINS_FILE" "$BLACKBOXDATA/$BB_FILES_FILE"
-vcs_add "$IGNOREFILE" "$BLACKBOXDATA/$BB_ADMINS_FILE" "$BLACKBOXDATA/$BB_FILES_FILE"
+vcs_add "$BLACKBOXDATA/$BB_ADMINS_FILE" "$BLACKBOXDATA/$BB_FILES_FILE"
+
+IGNOREFILE="$(vcs_ignore_file_path)"
+test -f "$IGNOREFILE" && vcs_add "$IGNOREFILE"
 
 # Make a suggestion:
 echo

bin/blackbox_list_files

@@ -0,0 +1,8 @@
+#!/usr/bin/env bash
+
+#
+# blackbox_list_files -- List files that black box is tracking
+#
+set -e
+source "${0%/*}/_blackbox_common.sh"
+cat "$BB_FILES"

bin/blackbox_postdeploy

@@ -1,7 +1,7 @@
 #!/usr/bin/env bash
 
 #
-# blackbox_postdeploy.sh -- Decrypt all blackbox files.
+# blackbox_postdeploy -- Decrypt all blackbox files.
 #
 
 # Usage:
@@ -14,8 +14,7 @@
 export PATH=/usr/bin:/bin:"$PATH"
 
 set -e
-blackbox_home=$( cd "$( dirname "${BASH_SOURCE[0]}" )" && pwd )
+source "${0%/*}/_blackbox_common.sh"
-source ${blackbox_home}/_blackbox_common.sh
 
 if [[ "$1" == "" ]]; then
   FILE_GROUP=""
@@ -23,7 +22,7 @@ else
   FILE_GROUP="$1"
 fi
 
-change_to_root
+change_to_vcs_root
 prepare_keychain
 
 # Decrypt:
@@ -31,9 +30,11 @@ echo '========== Decrypting new/changed files: START'
 while IFS= read <&99 -r unencrypted_file; do
   encrypted_file=$(get_encrypted_filename "$unencrypted_file")
   decrypt_file_overwrite "$encrypted_file" "$unencrypted_file"
-  chmod g+r "$unencrypted_file"
+  cp_permissions "$encrypted_file" "$unencrypted_file"
   if [[ ! -z "$FILE_GROUP" ]]; then
-    chgrp $FILE_GROUP "$unencrypted_file"
+    chmod g+r "$unencrypted_file"
+    chgrp "$FILE_GROUP" "$unencrypted_file"
   fi
 done 99<"$BB_FILES"
+
 echo '========== Decrypting new/changed files: DONE'

bin/blackbox_recurse

@@ -0,0 +1,6 @@
+#!/usr/bin/env bash
+# proposed space for blackbox recurion...coming soon
+set -e
+source "${0%/*}/_blackbox_common.sh"
+
+echo "$REBOBASE"

bin/blackbox_register_new_file

@@ -1,68 +1,56 @@
 #!/usr/bin/env bash
 
 #
-# blackbox_register_new_file.sh -- Enroll a new file in the blackbox system.
+# blackbox_register_new_file -- Enroll new file(s) in the blackbox system.
 #
-# Takes a previously unencrypted file and enrolls it into the blackbox
+# Takes previously unencrypted file(s) and enrolls them into the blackbox
-# system.  It will be kept in the repo as an encrypted file.  On deployment
+# system.  Each file will be kept in the repo as an encrypted file.  On deployment
 # to systems that need the plaintext (unencrypted) versions, run
 # blackbox_postdeploy.sh to decrypt all the files.
 
-# TODO(tlim): Add the unencrypted file to .hgignore
-
 set -e
-blackbox_home=$( cd "$( dirname "${BASH_SOURCE[0]}" )" && pwd )
+source "${0%/*}/_blackbox_common.sh"
-source ${blackbox_home}/_blackbox_common.sh
-_determine_vcs_base_and_type
 
-unencrypted_file=$(get_unencrypted_filename "$1")
+function register_new_file() {
-encrypted_file=$(get_encrypted_filename "$1")
+  unencrypted_file=$(get_unencrypted_filename "$1")
+  encrypted_file=$(get_encrypted_filename "$1")
 
-if [[ $1 == $encrypted_file ]]; then
+  if [[ "$1" == "$encrypted_file" ]]; then
-  echo ERROR: Please only register unencrypted files.
+    echo ERROR: Please only register unencrypted files.
-  exit 1
+    exit 1
-fi
-
-echo ========== PLAINFILE "$unencrypted_file"
-echo ========== ENCRYPTED "$encrypted_file"
-
-fail_if_not_exists "$unencrypted_file" "Please specify an existing file."
-fail_if_exists "$encrypted_file" "Will not overwrite."
-
-prepare_keychain
-encrypt_file "$unencrypted_file" "$encrypted_file"
-add_filename_to_cryptlist "$unencrypted_file"
-
-# Is the unencrypted file already in HG? (ie. are we correcting a bad situation)
-SECRETSEXPOSED=$(is_in_vcs ${unencrypted_file})
-echo "========== CREATED: ${encrypted_file}"
-echo "========== UPDATING REPO:"
-shred_file "$unencrypted_file"
-
-VCSCMD=$(which_vcs)
-if $SECRETSEXPOSED ; then
-  vcs_remove "$unencrypted_file"
-  vcs_add "$encrypted_file"
-  COMMIT_FILES="$BB_FILES $encrypted_file $unencrypted_file"
-else
-  COMMIT_FILES="$BB_FILES $encrypted_file"
-fi
-
-# TODO(tlim): This should be moved to _blackbox_common.sh in a
-# VCS-independent way.
-IGNOREFILE=".${VCS_TYPE}ignore"
-if [[ $VCS_TYPE = 'git' ]]; then
-  ignored_file="$(echo "$unencrypted_file" |  sed 's/\([\*\?]\)/\\\1/g' | sed 's/^\([!#]\)/\\\1/')"
-  if ! grep -Fsx >/dev/null "$ignored_file" "$IGNOREFILE"; then
-    echo "$ignored_file" >>"$IGNOREFILE"
-    COMMIT_FILES="$COMMIT_FILES $IGNOREFILE"
   fi
-  vcs_add "$IGNOREFILE"
-fi
 
-echo 'NOTE: "already tracked!" messages are safe to ignore.'
+  echo "========== PLAINFILE $unencrypted_file"
-vcs_add $BB_FILES $encrypted_file
+  echo "========== ENCRYPTED $encrypted_file"
-vcs_commit "registered in blackbox: ${unencrypted_file}" $COMMIT_FILES
+
+  fail_if_not_exists "$unencrypted_file" "Please specify an existing file."
+  fail_if_exists "$encrypted_file" "Will not overwrite."
+
+  prepare_keychain
+  encrypt_file "$unencrypted_file" "$encrypted_file"
+  add_filename_to_cryptlist "$unencrypted_file"
+
+  # Is the unencrypted file already in HG? (ie. are we correcting a bad situation)
+  SECRETSEXPOSED=$(is_in_vcs "${unencrypted_file}")
+  echo "========== CREATED: ${encrypted_file}"
+  echo "========== UPDATING REPO:"
+  shred_file "$unencrypted_file"
+
+  if "$SECRETSEXPOSED" ; then
+    vcs_remove "$unencrypted_file"
+    vcs_add "$encrypted_file"
+  fi
+
+  vcs_ignore "$unencrypted_file"
+  echo 'NOTE: "already tracked!" messages are safe to ignore.'
+  vcs_add "$BB_FILES" "$encrypted_file"
+  vcs_commit "registered in blackbox: ${unencrypted_file}" "$BB_FILES" "$encrypted_file"
+}
+
+for target in "$@"; do
+  register_new_file "$target"
+done
+
 echo "========== UPDATING VCS: DONE"
 echo "Local repo updated.  Please push when ready."
-echo "    $VCSCMD push"
+echo "    $VCS_TYPE push"

bin/blackbox_removeadmin

@@ -10,19 +10,15 @@
 #
 
 set -e
-blackbox_home=$( cd "$( dirname "${BASH_SOURCE[0]}" )" && pwd )
+source "${0%/*}/_blackbox_common.sh"
-source ${blackbox_home}/_blackbox_common.sh
-source ${blackbox_home}/_stack_lib.sh
 
 fail_if_not_in_repo
 
 KEYNAME="$1"
-: ${KEYNAME:?ERROR: First argument must be a keyname (email address)} ;
+: "${KEYNAME:?ERROR: First argument must be a keyname (email address)}" ;
 
 # Remove the email address from the BB_ADMINS file.
-make_self_deleting_tempfile bbtemp
+remove_line "$BB_ADMINS" "$KEYNAME"
-cp "$BB_ADMINS" "$bbtemp"
-fgrep -v -x "$KEYNAME" <"$bbtemp" >"$BB_ADMINS"
 
 # Make a suggestion:
 echo

bin/blackbox_shred_all_files

@@ -16,19 +16,18 @@
 # have been decrypted for editing, you will see an empty list.
 
 set -e
-blackbox_home=$( cd "$( dirname "${BASH_SOURCE[0]}" )" && pwd )
+source "${0%/*}/_blackbox_common.sh"
-source ${blackbox_home}/_blackbox_common.sh
 
-change_to_root
+change_to_vcs_root
 
 echo '========== FILES BEING SHREDDED:'
-for i in $(<$BB_FILES) ; do
+while IFS= read <&99 -r unencrypted_file; do
-  unencrypted_file=$(get_unencrypted_filename "$i")
+  unencrypted_file=$(get_unencrypted_filename "$unencrypted_file")
-  encrypted_file=$(get_encrypted_filename "$i")
+  encrypted_file=$(get_encrypted_filename "$unencrypted_file")
   if [[ -f "$unencrypted_file" ]]; then
     echo "    $unencrypted_file"
     shred_file "$unencrypted_file"
   fi
-done
+done 99<"$BB_FILES"
 
 echo '========== DONE.'

bin/blackbox_update_all_files

@@ -1,12 +1,11 @@
 #!/usr/bin/env bash
 
 #
-# blackbox_update_all_files -- Re-encrypt file after edits.
+# blackbox_update_all_files -- Decrypt then re-encrypt all files. Useful after keys are changed.
 #
 
 set -e
-blackbox_home=$( cd "$( dirname "${BASH_SOURCE[0]}" )" && pwd )
+source "${0%/*}/_blackbox_common.sh"
-source ${blackbox_home}/_blackbox_common.sh
 
 if [[ -z $GPG_AGENT_INFO ]]; then
   echo 'WARNING: You probably want to run gpg-agent as'
@@ -19,19 +18,21 @@ disclose_admins
 prepare_keychain
 
 echo '========== ENCRYPTED FILES TO BE RE-ENCRYPTED:'
-awk <"$BB_FILES" '{ print "    " $1 ".gpg" }'
+while IFS= read <&99 -r unencrypted_file; do
+    echo "    $unencrypted_file.gpg"
+done 99<"$BB_FILES"
 
 echo '========== FILES IN THE WAY:'
 need_warning=false
-for i in $(<$BB_FILES) ; do
+while IFS= read <&99 -r unencrypted_file; do
-  unencrypted_file=$(get_unencrypted_filename "$i")
+  unencrypted_file=$(get_unencrypted_filename "$unencrypted_file")
-  encrypted_file=$(get_encrypted_filename "$i")
+  encrypted_file=$(get_encrypted_filename "$unencrypted_file")
   if [[ -f "$unencrypted_file" ]]; then
     need_warning=true
     echo "    $unencrypted_file"
   fi
-done
+done 99<"$BB_FILES"
-if $need_warning ; then
+if "$need_warning" ; then
   echo
   echo 'WARNING: This will overwrite any unencrypted files laying about.'
   read -r -p 'Press CTRL-C now to stop. ENTER to continue: '
@@ -40,22 +41,24 @@ else
 fi
 
 echo '========== RE-ENCRYPTING FILES:'
-for i in $(<$BB_FILES) ; do
+while IFS= read <&99 -r unencrypted_file; do
-  unencrypted_file=$(get_unencrypted_filename "$i")
+  unencrypted_file=$(get_unencrypted_filename "$unencrypted_file")
-  encrypted_file=$(get_encrypted_filename "$i")
+  encrypted_file=$(get_encrypted_filename "$unencrypted_file")
-  echo ========== PROCESSING "$unencrypted_file"
+  echo ========== PROCESSING '"'$unencrypted_file'"'
   fail_if_not_on_cryptlist "$unencrypted_file"
   decrypt_file_overwrite "$encrypted_file" "$unencrypted_file"
   encrypt_file "$unencrypted_file" "$encrypted_file"
   shred_file "$unencrypted_file"
-done
+done 99<"$BB_FILES"
 
 fail_if_keychain_has_secrets
 
 echo '========== COMMITING TO VCS:'
-vcs_commit 'Re-encrypted keys' $(awk <$BB_FILES '{ print $1 ".gpg" }' )
+while IFS= read <&99 -r unencrypted_file; do
+    vcs_add "$unencrypted_file.gpg"
+done 99<"$BB_FILES"
+vcs_commit 'Re-encrypted keys'
 
-VCSCMD=$(which_vcs)
 echo '========== DONE.'
 echo 'Likely next step:'
-echo "    ${VCSCMD} push"
+echo "    $VCS_TYPE push"

bin/blackbox_whatsnew

@@ -0,0 +1,55 @@
+#!/usr/bin/env bash
+
+#
+# blackbox_whatsnew - show what has changed in the last commit for a given file
+#
+
+set -e
+source "${0%/*}/_blackbox_common.sh"
+
+if [[ $# -ne 1 ]]
+then
+  echo "Pass only 1 file at a time"
+  exit 1
+fi
+
+fail_if_not_in_repo
+
+if [[ -z $GPG_AGENT_INFO ]]; then
+  echo 'WARNING: You probably want to run gpg-agent as'
+  echo 'you will be asked for your passphrase many times.'
+  echo 'Example: $ eval $(gpg-agent --daemon)'
+  read -r -p 'Press CTRL-C now to stop. ENTER to continue: '
+fi
+
+COLUMNS=`tput cols`
+FILE=$1
+GIT="git log --abbrev-commit --pretty=oneline"
+CURR_COMMIT=`$GIT                  $FILE | head -1 | awk '{print $1}'`
+PREV_COMMIT=`$GIT ${CURR_COMMIT}~1 $FILE | head -1 | awk '{print $1}'`
+# Use colordiff if available
+if which colordiff > /dev/null 2>&1
+  then DIFF="colordiff"
+  else DIFF="diff"
+fi
+
+cat_commit()
+{
+  COMMIT=$1
+  git checkout $COMMIT $FILE
+  echo "[$COMMIT] $FILE"
+  echo "---------------------"
+  "${BLACKBOX_HOME}/blackbox_cat" $FILE | sed '/========== PLAINFILE/,/========== EXTRACTING/d'
+}
+
+CURR_CONTENT=`cat_commit $CURR_COMMIT`
+PREV_CONTENT=`cat_commit $PREV_COMMIT`
+clear
+
+# For some unknown reason this command executes fine but return exit code 1
+$DIFF -y --width $COLUMNS \
+  <(echo "CURRENT"  "$CURR_CONTENT" | fold -w $(( $COLUMNS / 2 - 4 ))  ) \
+  <(echo "PREVIOUS" "$PREV_CONTENT" | fold -w $(( $COLUMNS / 2 - 4 ))  )
+
+git checkout $CURR_COMMIT $FILE
+echo

tools/Portfile.template

@@ -0,0 +1,31 @@
+# -*- coding: utf-8; mode: tcl; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 4 -*- vim:fenc=utf-8:ft=tcl:et:sw=4:ts=4:sts=4
+# $Id: Portfile 132962 2015-02-16 10:33:02Z ryandesign@macports.org $
+
+PortSystem          1.0
+PortGroup           github 1.0
+
+github.setup        StackExchange blackbox @@VERSION@@ v
+name                vcs_blackbox
+categories          security
+platforms           darwin
+maintainers         whatexit.org:tal openmaintainer
+license             BSD
+supported_archs     noarch
+
+description         Safely store secrets in git/hg/svn repos using GPG encryption
+
+long_description    Storing secrets such as passwords, certificates and private keys \
+                    in Git/Mercurial/SubVersion is dangerous. Blackbox makes it easy \
+                    to store secrets safely using GPG encryption. They can be easily \
+                    decrypted for editing or use in production.
+
+checksums           rmd160  @@RMD160@@ \
+                    sha256  @@SHA256@@
+
+use_configure       no
+
+build               {}
+
+# This project's Makefile uses DESTDIR incorrectly.
+destroot.destdir    DESTDIR=${destroot}${prefix}
+destroot.target     packages-macports

tools/confidence_test.sh

@@ -1,90 +1,17 @@
 #!/usr/bin/env bash
 
 blackbox_home=$( cd "$( dirname "${BASH_SOURCE[0]}" )" && pwd )/../bin
-export PATH=${blackbox_home}:/usr/local/bin:/bin:/usr/bin:/usr/local/sbin:/usr/sbin:/sbin
+export PATH="${blackbox_home}:/usr/local/bin:/bin:/usr/bin:/usr/local/sbin:/usr/sbin:/sbin:/opt/local/bin"
-
-. _stack_lib.sh
 
 set -e
+. _stack_lib.sh
+. tools/test_functions.sh
 
-function PHASE() {
+PHASE 'UNIT TESTS'
-  echo '********************'
-  echo '********************'
-  echo '*********' """$@"""
-  echo '********************'
-  echo '********************'
-}
 
-function assert_file_missing() {
+_blackbox_common_test.sh
-  if [[ -e "$1" ]]; then
-    echo "ASSERT FAILED: ${1} should not exist."
-    exit 1
-  fi
-}
 
-function assert_file_exists() {
+PHASE 'SYSTEM TESTS'
-  if [[ ! -e "$1" ]]; then
-    echo "ASSERT FAILED: ${1} should exist."
-    echo "PWD="$(/bin/pwd -P)
-    #echo "LS START"
-    #ls -la
-    #echo "LS END"
-    exit 1
-  fi
-}
-function assert_file_md5hash() {
-  local file="$1"
-  local wanted="$2"
-  assert_file_exists "$file"
-  local found=$(md5sum <"$file" | cut -d' ' -f1 )
-  if [[ "$wanted" != "$found" ]]; then
-    echo "ASSERT FAILED: $file hash wanted=$wanted found=$found"
-    exit 1
-  fi
-}
-function assert_file_group() {
-  local file="$1"
-  local wanted="$2"
-  assert_file_exists "$file"
-
-  case $(uname -s) in
-    CYGWIN* )
-      echo "ASSERT_FILE_GROUP: Running on Cygwin. Not being tested."
-      return 0
-      ;;
-  esac
-
-  local found=$(ls -l "$file" | awk '{ print $4 }')
-  # NB(tlim): We could do this with 'stat' but it would break on BSD-style OSs.
-  if [[ "$wanted" != "$found" ]]; then
-    echo "ASSERT FAILED: $file chgrp wanted=$wanted found=$found"
-    exit 1
-  fi
-}
-function assert_line_not_exists() {
-  local target="$1"
-  local file="$2"
-  assert_file_exists "$file"
-  if grep -F -x -s -q >/dev/null "$target" "$file" ; then
-    echo "ASSERT FAILED: line '$target' should not exist in file $file"
-    echo ==== file contents: START "$file"
-    cat "$file"
-    echo ==== file contents: END "$file"
-    exit 1
-  fi
-}
-function assert_line_exists() {
-  local target="$1"
-  local file="$2"
-  assert_file_exists "$file"
-  if ! grep -F -x -s -q >/dev/null "$target" "$file" ; then
-    echo "ASSERT FAILED: line '$target' should not exist in file $file"
-    echo ==== file contents: START "$file"
-    cat "$file"
-    echo ==== file contents: END "$file"
-    exit 1
-  fi
-}
 
 make_tempdir test_repository
 cd "$test_repository"
@@ -92,29 +19,30 @@ cd "$test_repository"
 make_self_deleting_tempdir fake_alice_home
 make_self_deleting_tempdir fake_bob_home
 export GNUPGHOME="$fake_alice_home"
-eval $(gpg-agent --homedir "$fake_alice_home" --daemon)
+eval "$(gpg-agent --homedir "$fake_alice_home" --daemon)"
 GPG_AGENT_INFO_ALICE="$GPG_AGENT_INFO"
 
 export GNUPGHOME="$fake_bob_home"
-eval $(gpg-agent --homedir "$fake_alice_home" --daemon)
+eval "$(gpg-agent --homedir "$fake_bob_home" --daemon)"
 GPG_AGENT_INFO_BOB="$GPG_AGENT_INFO"
 
 function become_alice() {
   export GNUPGHOME="$fake_alice_home"
   export GPG_AGENT_INFO="$GPG_AGENT_INFO_ALICE"
-  echo BECOMING ALICE: GNUPGHOME=$GNUPGHOME AGENT=$GPG_AGENT_INFO
+  echo BECOMING ALICE: GNUPGHOME="$GNUPGHOME AGENT=$GPG_AGENT_INFO"
-  git config --global user.name "Alice Example"
+  mkdir -p .git ; touch .git/config
-  git config --global user.email alice@example.com
+  git config user.name "Alice Example"
+  git config user.email alice@example.com
 }
 
 function become_bob() {
-  export GNUPGHOME="$fake_alice_home"
+  export GNUPGHOME="$fake_bob_home"
-  export GPG_AGENT_INFO="$GPG_AGENT_INFO_ALICE"
+  export GPG_AGENT_INFO="$GPG_AGENT_INFO_BOB"
-  git config --global user.name "Bob Example"
+  mkdir -p .git ; touch .git/config
-  git config --global user.email bob@example.com
+  git config user.name "Bob Example"
+  git config user.email bob@example.com
 }
 
-
 PHASE 'Alice creates a repo.  She creates secret.txt.'
 
 become_alice
@@ -195,6 +123,7 @@ PHASE 'She enrolls secrets.txt.'
 blackbox_register_new_file secret.txt
 assert_file_missing secret.txt
 assert_file_exists secret.txt.gpg
+assert_line_exists '/secret.txt' .gitignore
 
 PHASE 'She decrypts secrets.txt.'
 blackbox_edit_start secret.txt
@@ -209,7 +138,51 @@ assert_file_missing secret.txt
 assert_file_exists secret.txt.gpg
 
 
-PHASE 'Bob appears.'
+PHASE 'Alice copies files to a non-repo directory. (NO REPO)'
+
+# Copy the repo entirely:
+make_self_deleting_tempdir fake_alice_filedir
+tar cf - . | ( cd "$fake_alice_filedir" && tar xpvf - )
+# Remove the .git directory
+rm -rf "$fake_alice_filedir/.git"
+(
+cd "$fake_alice_filedir"
+assert_file_missing '.git'
+assert_file_exists 'secret.txt.gpg'
+assert_file_missing 'secret.txt'
+blackbox_postdeploy
+assert_file_missing '.git'
+assert_file_exists 'secret.txt.gpg'
+assert_file_exists 'secret.txt'
+assert_file_md5hash secret.txt "08a3fa763a05c018a38e9924363b97e7"
+
+PHASE 'Alice shreds these non-repo files. (NO REPO)'
+blackbox_shred_all_files
+assert_file_missing '.git'
+assert_file_exists 'secret.txt.gpg'
+assert_file_missing 'secret.txt'
+
+PHASE 'Alice decrypts secrets.txt (NO REPO).'
+blackbox_edit_start secret.txt
+assert_file_exists secret.txt
+assert_file_exists secret.txt.gpg
+assert_file_md5hash secret.txt "08a3fa763a05c018a38e9924363b97e7"
+
+PHASE 'Alice edits secrets.txt. (NO REPO EDIT)'
+echo 'NOREPO EDIT' >secret.txt
+assert_file_md5hash secret.txt "d3e6bbdfc76fae7fd0a921f3408db1d1"
+blackbox_edit_end secret.txt
+assert_file_missing secret.txt
+assert_file_exists secret.txt.gpg
+
+PHASE 'Alice decrypts secrets.txt (NO REPO EDIT).'
+blackbox_edit_start secret.txt
+assert_file_exists secret.txt
+assert_file_exists secret.txt.gpg
+assert_file_md5hash secret.txt "d3e6bbdfc76fae7fd0a921f3408db1d1"
+)
+
+PHASE 'appears.'
 become_bob
 
 PHASE 'Bob makes sure he has all new keys.'
@@ -217,12 +190,14 @@ PHASE 'Bob makes sure he has all new keys.'
 gpg --import keyrings/live/pubring.gpg
 
 # Pick a GID to use:
-TEST_GID_NUM=$(id -G | fmt -1 | tail -n +2 | grep -xv $(id -u) | head -n 1)
+# This users's default group:
-TEST_GID_NAME=$(getent group "$TEST_GID_NUM" | cut -d: -f1)
+DEFAULT_GID_NAME=$(id -gn)
-DEFAULT_GID_NAME=$(getent group $(id -u) | cut -d: -f1)
+# Pick a group that is not the default group:
-echo TEST_GID_NUM=$TEST_GID_NUM
+TEST_GID_NUM=$(id -G | fmt -1 | tail -n +2 | grep -xv "$(id -u)" | head -n 1)
-echo TEST_GID_NAME=$TEST_GID_NAME
+TEST_GID_NAME=$(python -c 'import grp; print grp.getgrgid('"$TEST_GID_NUM"').gr_name')
-echo DEFAULT_GID_NAME=$DEFAULT_GID_NAME
+echo "DEFAULT_GID_NAME=$DEFAULT_GID_NAME"
+echo "TEST_GID_NUM=$TEST_GID_NUM"
+echo "TEST_GID_NAME=$TEST_GID_NAME"
 
 PHASE 'Bob postdeploys... default.'
 blackbox_postdeploy
@@ -232,7 +207,7 @@ assert_file_md5hash secret.txt "08a3fa763a05c018a38e9924363b97e7"
 assert_file_group secret.txt "$DEFAULT_GID_NAME"
 
 PHASE 'Bob postdeploys... with a GID.'
-blackbox_postdeploy $TEST_GID_NUM
+blackbox_postdeploy "$TEST_GID_NUM"
 assert_file_exists secret.txt
 assert_file_exists secret.txt.gpg
 assert_file_md5hash secret.txt "08a3fa763a05c018a38e9924363b97e7"
@@ -241,7 +216,7 @@ assert_file_group secret.txt "$TEST_GID_NAME"
 PHASE 'Bob cleans up the secret.'
 rm secret.txt
 
-PHASE 'Bob removes alice.'
+PHASE 'Bob removes Alice.'
 blackbox_removeadmin alice@example.com
 assert_line_not_exists 'alice@example.com' keyrings/live/blackbox-admins.txt
 
@@ -276,6 +251,7 @@ blackbox_register_new_file mistake.txt
 assert_file_missing mistake.txt
 assert_file_exists mistake.txt.gpg
 # NOTE: It is still in the history. That should be corrected someday.
+assert_line_exists '/mistake.txt' .gitignore
 
 PHASE 'Bob enrolls my/path/to/relsecrets.txt.'
 mkdir my my/path my/path/to
@@ -284,6 +260,9 @@ cd my/path/to
 blackbox_register_new_file relsecrets.txt
 assert_file_missing relsecrets.txt
 assert_file_exists relsecrets.txt.gpg
+assert_file_missing .gitignore
+assert_file_exists ../../../.gitignore
+assert_line_exists '/my/path/to/relsecrets.txt' ../../../.gitignore
 
 PHASE 'Bob decrypts relsecrets.txt.'
 cd ..
@@ -298,34 +277,139 @@ echo A very important file >'!important!.txt'
 blackbox_register_new_file '!important!.txt'
 assert_file_missing '!important!.txt'
 assert_file_exists '!important!.txt'.gpg
-assert_line_exists '\!important!.txt' .gitignore
+assert_line_exists '/!important!.txt' .gitignore
 
 PHASE 'Bob enrolls #andpounds.txt'
 echo A very commented file >'#andpounds.txt'
 blackbox_register_new_file '#andpounds.txt'
 assert_file_missing '#andpounds.txt'
 assert_file_exists '#andpounds.txt'.gpg
-assert_line_exists '\#andpounds.txt' .gitignore
+assert_line_exists '/#andpounds.txt' .gitignore
 
 PHASE 'Bob enrolls stars*bars?.txt'
-echo A very commented file >'stars*bars?.txt'
+echo A very wild and questioned file >'stars*bars?.txt'
 blackbox_register_new_file 'stars*bars?.txt'
 assert_file_missing 'stars*bars?.txt'
 assert_file_exists 'stars*bars?.txt'.gpg
-assert_line_exists 'stars\*bars\?.txt' .gitignore
+assert_line_exists '/stars\*bars\?.txt' .gitignore
 
-# TODO(tlim): Add test to make sure that now alice can NOT decrypt.
+PHASE 'Bob enrolls space space.txt'
+echo A very spacey file >'space space.txt'
+blackbox_register_new_file 'space space.txt'
+assert_file_missing 'space space.txt'
+assert_file_exists 'space space.txt'.gpg
+assert_line_exists '/space space.txt' .gitignore
+
+PHASE 'Bob checks out stars*bars?.txt.'
+blackbox_edit_start 'stars*bars?.txt'
+assert_file_exists 'stars*bars?.txt'
+assert_file_exists 'stars*bars?.txt'
+assert_file_md5hash 'stars*bars?.txt' "448e018faade28cede2bf6f33c3c2dfb"
+
+PHASE 'Bob checks out space space.txt.'
+blackbox_edit_start 'space space.txt'
+assert_file_exists 'space space.txt'
+assert_file_exists 'space space.txt'
+assert_file_md5hash 'space space.txt' "de1d4e4a07046f81af5d3c0194b78742"
+
+PHASE 'Bob shreds all exposed files.'
+assert_file_exists 'my/path/to/relsecrets.txt'
+assert_file_exists 'secret.txt'
+blackbox_shred_all_files
+assert_file_missing '!important!.txt'
+assert_file_missing '#andpounds.txt'
+assert_file_missing 'mistake.txt'
+assert_file_missing 'my/path/to/relsecrets.txt'
+assert_file_missing 'secret.txt'
+assert_file_missing 'space space.txt'
+assert_file_missing 'stars*bars?.txt'
+assert_file_exists '!important!.txt.gpg'
+assert_file_exists '#andpounds.txt.gpg'
+assert_file_exists 'mistake.txt.gpg'
+assert_file_exists 'my/path/to/relsecrets.txt.gpg'
+assert_file_exists 'secret.txt.gpg'
+assert_file_exists 'space space.txt.gpg'
+assert_file_exists 'stars*bars?.txt.gpg'
+
+PHASE 'Bob updates all files.'
+blackbox_update_all_files
+assert_file_missing '!important!.txt'
+assert_file_missing '#andpounds.txt'
+assert_file_missing 'mistake.txt'
+assert_file_missing 'my/path/to/relsecrets.txt'
+assert_file_missing 'secret.txt'
+assert_file_missing 'space space.txt'
+assert_file_missing 'stars*bars?.txt'
+assert_file_exists '!important!.txt.gpg'
+assert_file_exists '#andpounds.txt.gpg'
+assert_file_exists 'mistake.txt.gpg'
+assert_file_exists 'my/path/to/relsecrets.txt.gpg'
+assert_file_exists 'secret.txt.gpg'
+assert_file_exists 'space space.txt.gpg'
+assert_file_exists 'stars*bars?.txt.gpg'
+
+PHASE 'Bob DEregisters mistake.txt'
+touch 'mistake.txt'
+blackbox_deregister_file 'mistake.txt.gpg'
+assert_file_exists 'keyrings/live/blackbox-admins.txt'
+assert_file_exists 'keyrings/live/blackbox-files.txt'
+assert_line_not_exists 'mistake.txt' 'keyrings/live/blackbox-files.txt'
+assert_file_missing 'mistake.txt.gpg'
+assert_file_exists 'mistake.txt'
+# Now remove 'mistake.txt' to leave the area clean.
+rm 'mistake.txt'
+
+PHASE 'Bob enrolls multiple files: multi1.txt and multi2.txt'
+echo 'One singular sensation.' >'multi1.txt'
+echo 'Another singular sensation.' >'multi2.txt'
+blackbox_register_new_file 'multi1.txt' 'multi2.txt'
+assert_file_missing 'multi1.txt'
+assert_file_exists 'multi1.txt'.gpg
+assert_line_exists '/multi1.txt' .gitignore
+assert_file_missing 'multi2.txt'
+assert_file_exists 'multi2.txt'.gpg
+assert_line_exists '/multi2.txt' .gitignore
+
+PHASE 'Alice returns. She should be locked out'
+assert_file_missing 'secret.txt'
+become_alice
+PHASE 'Alice tries to decrypt secret.txt. Is blocked.'
+if blackbox_edit_start secret.txt ; then
+  echo 'ERROR: Alice was able to decrypt secret.txt!  She should have been blocked.'
+  exit 1
+else
+  echo 'NOTE: Alice was not able to decrypt secret.txt as expected.'
+fi
+
+PHASE 'Bob returns.  Tries to update all files with a corrupt blackbox-admins.txt'
+become_bob
+# Corrupt the blackbox-admins.txt list:
+echo 'abba@notarealuser.com' >> keyrings/live/blackbox-admins.txt
+# Make sure it fails.
+if blackbox_update_all_files; then
+  echo '!!!!! blackbox_update_all_files should have failed and it did NOT.'
+  exit 1
+fi
+# Cleanup:
+blackbox_removeadmin abba@notarealuser.com
+
+
+# TODO: Create a new directory. "git clone" the repo into it.
 
 #
 # ASSERTIONS
 #
 
+echo '========== Verifying .gnupg was not accidentally created.'
+
 if [[ -e $HOME/.gnupg ]]; then
   echo "ASSERT FAILED: $HOME/.gnupg should not exist."
   exit 1
 fi
 
+echo '========== DONE with tests.  Outputing some diagnostics:'
+
 find .git?* * -type f -ls
 echo cd "$test_repository"
-echo rm "$test_repository"
+echo rm -rf "$test_repository"
-echo DONE.
+echo 'SUCCESS! Doing final clean-up then exiting.'

tools/macports_report_upgrade.sh

@@ -0,0 +1,67 @@
+#!/usr/bin/env bash
+
+# Turn the Portfile.template into a Portfile.
+# Usage:
+#   mk_portfile.sh TEMPLATE OUTPUTFILE VERSION
+
+set -e
+blackbox_home=$( cd "$( dirname "${BASH_SOURCE[0]}" )" && pwd )
+source ${blackbox_home}/../bin/_stack_lib.sh
+
+TEMPLATEFILE=tools/Portfile.template
+OUTPUTFILE=Portfile
+PORTVERSION=${1?"Arg 1 must be a version number like 1.20150222 (with no v)"} ; shift
+
+# Add the version number to the template.
+sed <"$TEMPLATEFILE" >"$OUTPUTFILE" -e 's/@@VERSION@@/'"$PORTVERSION"'/g'
+
+# Test it. Record the failure in $checksumout
+fgrep >/dev/null -x 'file:///var/tmp/ports' /opt/local/etc/macports/sources.conf || sudo sed -i -e '1s@^@file:///var/tmp/ports\'$'\n@' /opt/local/etc/macports/sources.conf
+rm -rf /var/tmp/ports
+mkdir -p /var/tmp/ports/security/vcs_blackbox
+cp Portfile /var/tmp/ports/security/vcs_blackbox
+( cd /var/tmp/ports && sudo portindex )
+make_self_deleting_tempfile checksumout
+set +e
+sudo port -v checksum vcs_blackbox > "$checksumout" 2>/dev/null
+ret=$?
+
+# If it failed, grab the checksums. Then re-process the template with them.
+if [[ $ret != 0 ]]; then
+  RMD160=$(awk <"$checksumout" '/^Distfile checksum: .*rmd160/ { print $NF }')
+  SHA256=$(awk <"$checksumout" '/^Distfile checksum: .*sha256/ { print $NF }')
+  echo RMD160=$RMD160
+  echo SHA256=$SHA256
+  echo
+  if [[ $RMD160 != '' && $SHA256 != '' ]]; then
+    sed <"$TEMPLATEFILE" >"$OUTPUTFILE" -e 's/@@VERSION@@/'"$PORTVERSION"'/g' -e 's/@@RMD160@@/'"$RMD160"'/g' -e 's/@@SHA256@@/'"$SHA256"'/g'
+    cp Portfile /var/tmp/ports/security/vcs_blackbox
+    ( cd /var/tmp/ports && sudo portindex )
+    sudo port -v checksum vcs_blackbox
+  fi
+fi
+
+# Generate the diff
+cp /opt/local/var/macports/sources/rsync.macports.org/release/tarballs/ports/security/vcs_blackbox/Portfile /var/tmp/ports/security/vcs_blackbox/Portfile.orig
+( cd /var/tmp/ports/security/vcs_blackbox && diff --ignore-matching-lines='Id:' -u Portfile.orig Portfile ) > Portfile-vcs_blackbox.diff
+open -R Portfile-vcs_blackbox.diff
+
+echo
+echo 'portfile is in:'
+echo '                /var/tmp/ports/security/vcs_blackbox/Portfile'
+echo 'cleanup:'
+echo '                sudo vi /opt/local/etc/macports/sources.conf'
+
+echo "
+PLEASE OPEN A TICKET WITH THIS INFORMATION:
+    https://trac.macports.org/newticket
+    Summary: vcs_blackbox @$PORTVERSION Update to latest upstream
+    Description: 
+New upstream of vcs_blackbox.
+github.setup and checksums updated.
+    Type: update
+    Component: ports
+    Port: vcs_blackbox
+    Keywords: maintainer haspatch
+"
+echo 'Attach: Portfile-vcs_blackbox.diff'

tools/mk_deb_fpmdir

@@ -0,0 +1,76 @@
+#! /usr/bin/env bash
+
+# Use fpm to package up files into a DEB .
+
+# Usage:
+#   mk_deb_fpmdir PACKAGENAME MANIFEST1 MANIFEST2 ...
+
+# Example:
+#   Make a package foopkg manifest.txt
+# Where "manifest.txt" contains:
+#   exec /usr/bin/stack_makefqdn  misc/stack_makefqdn.py
+#   exec /usr/bin/bar             bar/bar.sh
+#   read /usr/man/man1/bar.1      bar/bar.1.man
+#   0444 /etc/foo.conf            bar/foo.conf
+
+set -e
+
+# Parameters for this DEB:
+PACKAGENAME=${1?"First arg must be the package name."}
+shift
+
+# Defaults that can be overridden:
+# All packages are 1.0 unless otherwise specifed:
+: ${PKGVERSION:=1.0} ;
+# If there is no iteration setting, assume "1":
+: ${PKGRELEASE:=1}
+# If there is no epoch, assume 0
+: ${PKGEPOCH:=0}
+
+# The DEB is output here: (should be a place that can be wiped)
+OUTPUTDIR="${HOME}/debbuild-$PACKAGENAME"
+# The TeamCity templates expect to find the list of artifacts here:
+DEB_BIN_LIST="${OUTPUTDIR}/bin-packages.txt"
+
+# -- Now the real work can be done.
+
+# Clean the output dir.
+rm -rf "$OUTPUTDIR"
+mkdir -p "$OUTPUTDIR/installroot"
+
+# Copy the files into place:
+set -o pipefail  # Error out if any manifest is not found.
+cat """$@""" | while read -a arr ; do
+  PERM="${arr[0]}"
+  case $PERM in
+    \#*)  continue ;;   # Skip comments.
+    exec) PERM=0755 ;;
+    read) PERM=0744 ;;
+    *) ;;
+  esac
+  DST="$OUTPUTDIR/installroot/${arr[1]}"
+  SRC="${arr[2]}"
+  if [[ $SRC == "cmd/"* || $SRC == *"/cmd/"* ]]; then
+    ( cd $(dirname "$SRC" ) && go build -a -v ) 
+  fi
+  install -D -T -b -m "$PERM" -T "$SRC" "$DST"
+done
+
+# Build the DEB:
+cd "$OUTPUTDIR" && fpm -s dir -t deb \
+  -a all \
+  -n "${PACKAGENAME}" \
+  --epoch "${PKGEPOCH}" \
+  --version "${PKGVERSION}" \
+  --iteration "${PKGRELEASE}" \
+  ${PKGDESCRIPTION:+ --description="${PKGDESCRIPTION}"} \
+  ${PKGVENDOR:+ --vendor="${PKGVENDOR}"} \
+  -C "$OUTPUTDIR/installroot" \
+  .
+
+# TeamCity templates for DEBS expect to find
+# the list of all packages created in bin-packages.txt.
+# Generate that list:
+find "$OUTPUTDIR" -maxdepth 1 -name '*.deb' >"$DEB_BIN_LIST"
+# Output it for debugging purposes:
+cat "$DEB_BIN_LIST"

tools/mk_deb_fpmdir.stack_blackbox.txt

@@ -0,0 +1,18 @@
+exec /usr/bin/_blackbox_common.sh       ../bin/_blackbox_common.sh
+exec /usr/bin/_stack_lib.sh             ../bin/_stack_lib.sh
+exec /usr/bin/blackbox_addadmin         ../bin/blackbox_addadmin
+exec /usr/bin/blackbox_cat              ../bin/blackbox_cat
+exec /usr/bin/blackbox_decrypt_all_files  ../bin/blackbox_decrypt_all_files
+exec /usr/bin/blackbox_deregister_file  ../bin/blackbox_deregister_file
+exec /usr/bin/blackbox_diff             ../bin/blackbox_diff
+exec /usr/bin/blackbox_edit             ../bin/blackbox_edit
+exec /usr/bin/blackbox_edit_end         ../bin/blackbox_edit_end
+exec /usr/bin/blackbox_edit_start       ../bin/blackbox_edit_start
+exec /usr/bin/blackbox_initialize       ../bin/blackbox_initialize
+exec /usr/bin/blackbox_list_files       ../bin/blackbox_list_files
+exec /usr/bin/blackbox_postdeploy       ../bin/blackbox_postdeploy
+exec /usr/bin/blackbox_register_new_file ../bin/blackbox_register_new_file
+exec /usr/bin/blackbox_removeadmin      ../bin/blackbox_removeadmin
+exec /usr/bin/blackbox_shred_all_files  ../bin/blackbox_shred_all_files
+exec /usr/bin/blackbox_update_all_files ../bin/blackbox_update_all_files
+exec /usr/bin/blackbox_whatsnew         ../bin/blackbox_whatsnew

tools/mk_macports.vcs_blackbox.txt

@@ -2,12 +2,17 @@ exec bin/_blackbox_common.sh       ../bin/_blackbox_common.sh
 exec bin/_stack_lib.sh             ../bin/_stack_lib.sh
 exec bin/blackbox_addadmin         ../bin/blackbox_addadmin
 exec bin/blackbox_cat              ../bin/blackbox_cat
+exec bin/blackbox_decrypt_all_files  ../bin/blackbox_decrypt_all_files
+exec bin/blackbox_deregister_file  ../bin/blackbox_deregister_file
+exec bin/blackbox_diff             ../bin/blackbox_diff
 exec bin/blackbox_edit             ../bin/blackbox_edit
 exec bin/blackbox_edit_end         ../bin/blackbox_edit_end
 exec bin/blackbox_edit_start       ../bin/blackbox_edit_start
 exec bin/blackbox_initialize       ../bin/blackbox_initialize
+exec bin/blackbox_list_files       ../bin/blackbox_list_files
 exec bin/blackbox_postdeploy       ../bin/blackbox_postdeploy
 exec bin/blackbox_register_new_file ../bin/blackbox_register_new_file
 exec bin/blackbox_removeadmin      ../bin/blackbox_removeadmin
 exec bin/blackbox_shred_all_files  ../bin/blackbox_shred_all_files
 exec bin/blackbox_update_all_files ../bin/blackbox_update_all_files
+exec bin/blackbox_whatsnew         ../bin/blackbox_whatsnew

tools/mk_rpm_fpmdir

@@ -24,6 +24,8 @@ shift
 : ${PKGVERSION:=1.0} ;
 # If there is no iteration setting, assume "1":
 : ${PKGRELEASE:=1}
+# If there is no epoch, assume 0
+: ${PKGEPOCH:=0}
 
 # The RPM is output here: (should be a place that can be wiped)
 OUTPUTDIR="${HOME}/rpmbuild-$PACKAGENAME"
@@ -37,6 +39,7 @@ rm -rf "$OUTPUTDIR"
 mkdir -p "$OUTPUTDIR/installroot"
 
 # Copy the files into place:
+set -o pipefail  # Error out if any manifest is not found.
 cat """$@""" | while read -a arr ; do
   PERM="${arr[0]}"
   case $PERM in
@@ -55,13 +58,14 @@ done
 
 # Build the RPM:
 cd "$OUTPUTDIR" && fpm -s dir -t rpm \
-  -a x86_64 \
+  -a all \
-  --epoch '0' \
   -n "${PACKAGENAME}" \
+  --epoch "${PKGEPOCH}" \
   --version "${PKGVERSION}" \
   --iteration "${PKGRELEASE}" \
+  ${PKGDESCRIPTION:+ --description="${PKGDESCRIPTION}"} \
+  ${PKGVENDOR:+ --vendor="${PKGVENDOR}"} \
   -C "$OUTPUTDIR/installroot" \
-  --description="$PKGDESCRIPTION" \
   .
 
 # TeamCity templates for RPMS expect to find

tools/mk_rpm_fpmdir.stack_blackbox.txt

@@ -1,14 +1,20 @@
+# Update tools/mk_rpm_fpmdir.stack_blackbox.txt.  Other files generate from it.
 read /etc/profile.d/usrblackbox.sh               profile.d-usrblackbox.sh
 exec /usr/blackbox/bin/_blackbox_common.sh       ../bin/_blackbox_common.sh
 exec /usr/blackbox/bin/_stack_lib.sh             ../bin/_stack_lib.sh
 exec /usr/blackbox/bin/blackbox_addadmin         ../bin/blackbox_addadmin
 exec /usr/blackbox/bin/blackbox_cat              ../bin/blackbox_cat
+exec /usr/blackbox/bin/blackbox_decrypt_all_files  ../bin/blackbox_decrypt_all_files
+exec /usr/blackbox/bin/blackbox_deregister_file  ../bin/blackbox_deregister_file
+exec /usr/blackbox/bin/blackbox_diff             ../bin/blackbox_diff
 exec /usr/blackbox/bin/blackbox_edit             ../bin/blackbox_edit
 exec /usr/blackbox/bin/blackbox_edit_end         ../bin/blackbox_edit_end
 exec /usr/blackbox/bin/blackbox_edit_start       ../bin/blackbox_edit_start
 exec /usr/blackbox/bin/blackbox_initialize       ../bin/blackbox_initialize
+exec /usr/blackbox/bin/blackbox_list_files       ../bin/blackbox_list_files
 exec /usr/blackbox/bin/blackbox_postdeploy       ../bin/blackbox_postdeploy
 exec /usr/blackbox/bin/blackbox_register_new_file ../bin/blackbox_register_new_file
 exec /usr/blackbox/bin/blackbox_removeadmin      ../bin/blackbox_removeadmin
 exec /usr/blackbox/bin/blackbox_shred_all_files  ../bin/blackbox_shred_all_files
 exec /usr/blackbox/bin/blackbox_update_all_files ../bin/blackbox_update_all_files
+exec /usr/blackbox/bin/blackbox_whatsnew         ../bin/blackbox_whatsnew

tools/test_functions.sh

@@ -0,0 +1,134 @@
+#!/usr/bin/env bash
+
+function PHASE() {
+  echo '********************'
+  echo '********************'
+  echo '*********' """$@"""
+  echo '********************'
+  echo '********************'
+}
+
+function md5sum_file() {
+  # Portably generate the MD5 hash of file $1.
+  case $(uname -s) in
+    Darwin )
+      md5 -r "$1" | awk '{ print $1 }'
+      ;;
+    Linux )
+      md5sum "$1" | awk '{ print $1 }'
+      ;;
+    CYGWIN* )
+      md5sum "$1" | awk '{ print $1 }'
+      ;;
+    * )
+      echo 'ERROR: Unknown OS. Exiting.'
+      exit 1
+      ;;
+  esac
+}
+
+function assert_file_missing() {
+  if [[ -e "$1" ]]; then
+    echo "ASSERT FAILED: ${1} should not exist."
+    exit 1
+  fi
+}
+
+function assert_file_exists() {
+  if [[ ! -e "$1" ]]; then
+    echo "ASSERT FAILED: ${1} should exist."
+    echo "PWD=$(/bin/pwd -P)"
+    #echo "LS START"
+    #ls -la
+    #echo "LS END"
+    exit 1
+  fi
+}
+function assert_file_md5hash() {
+  local file="$1"
+  local wanted="$2"
+  assert_file_exists "$file"
+  local found
+  found=$(md5sum_file "$file")
+  if [[ "$wanted" != "$found" ]]; then
+    echo "ASSERT FAILED: $file hash wanted=$wanted found=$found"
+    exit 1
+  fi
+}
+function assert_file_group() {
+  local file="$1"
+  local wanted="$2"
+  local found
+  assert_file_exists "$file"
+
+  case $(uname -s) in
+    Darwin|FreeBSD )
+      found=$(stat -f '%Sg' "$file")
+      ;;
+    Linux )
+      found=$(stat -c '%G' "$file")
+      ;;
+    CYGWIN* )
+      echo "ASSERT_FILE_GROUP: Running on Cygwin. Not being tested."
+      return 0
+      ;;
+    * )
+      echo 'ERROR: Unknown OS. Exiting.'
+      exit 1
+      ;;
+  esac
+
+  if [[ "$wanted" != "$found" ]]; then
+    echo "ASSERT FAILED: $file chgrp wanted=$wanted found=$found"
+    exit 1
+  fi
+}
+function assert_file_perm() {
+  local wanted="$1"
+  local file="$2"
+  local found
+  assert_file_exists "$file"
+
+  case $(uname -s) in
+    Darwin|FreeBSD )
+      found=$(stat -f '%Sp' "$file")
+      ;;
+    # NB(tlim): CYGWIN hasn't been tested. It might be more like Darwin.
+    Linux | CYGWIN* )
+      found=$(stat -c '%A' "$file")
+      ;;
+    * )
+      echo 'ERROR: Unknown OS. Exiting.'
+      exit 1
+      ;;
+  esac
+
+  if [[ "$wanted" != "$found" ]]; then
+    echo "ASSERT FAILED: $file chgrp wanted=$wanted found=$found"
+    exit 1
+  fi
+}
+function assert_line_not_exists() {
+  local target="$1"
+  local file="$2"
+  assert_file_exists "$file"
+  if grep -F -x -s -q >/dev/null "$target" "$file" ; then
+    echo "ASSERT FAILED: line '$target' should not exist in file $file"
+    echo "==== file contents: START $file"
+    cat "$file"
+    echo "==== file contents: END $file"
+    exit 1
+  fi
+}
+function assert_line_exists() {
+  local target="$1"
+  local file="$2"
+  assert_file_exists "$file"
+  if ! grep -F -x -s -q >/dev/null "$target" "$file" ; then
+    echo "ASSERT FAILED: line '$target' should exist in file $file"
+    echo "==== file contents: START $file"
+    cat "$file"
+    echo "==== file contents: END $file"
+    exit 1
+  fi
+}