Don't complain about GPG_AGENT_INFO if using newer gpg-agent (#189)

bin/_blackbox_common.sh

@@ -681,3 +681,20 @@ function vcs_notice_generic_file() {
     echo "WARNING:  If so, manually update the ignore file"
   fi
 }
+
+function gpg_agent_version_check() {
+  if ! hash 'gpg-agent' &> /dev/null; then
+    return 1
+  fi
+  local gpg_agent_version=$(gpg-agent --version | head -1 | awk '{ print $3 }' | tr -d '\n')
+  semverLT $gpg_agent_version "2.1.0"
+}
+
+function gpg_agent_notice() {
+  if [[ $(gpg_agent_version_check) == '0' && -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
+}

bin/_stack_lib.sh

@@ -180,3 +180,109 @@ function fail_if_in_root_directory() {
       ;;
   esac
 }
+
+function semverParseInto() {
+    local RE='[^0-9]*\([0-9]*\)[.]\([0-9]*\)[.]\([0-9]*\)\([0-9A-Za-z-]*\)'
+    #MAJOR
+    eval $2=`echo $1 | sed -e "s#$RE#\1#"`
+    #MINOR
+    eval $3=`echo $1 | sed -e "s#$RE#\2#"`
+    #MINOR
+    eval $4=`echo $1 | sed -e "s#$RE#\3#"`
+    #SPECIAL
+    eval $5=`echo $1 | sed -e "s#$RE#\4#"`
+}
+
+function semverEQ() {
+    local MAJOR_A=0
+    local MINOR_A=0
+    local PATCH_A=0
+    local SPECIAL_A=0
+
+    local MAJOR_B=0
+    local MINOR_B=0
+    local PATCH_B=0
+    local SPECIAL_B=0
+
+    semverParseInto $1 MAJOR_A MINOR_A PATCH_A SPECIAL_A
+    semverParseInto $2 MAJOR_B MINOR_B PATCH_B SPECIAL_B
+
+    if [ $MAJOR_A -ne $MAJOR_B ]; then
+        return 1
+    fi
+
+    if [ $MINOR_A -ne $MINOR_B ]; then
+        return 1
+    fi
+
+    if [ $PATCH_A -ne $PATCH_B ]; then
+        return 1
+    fi
+
+    if [[ "_$SPECIAL_A" != "_$SPECIAL_B" ]]; then
+        return 1
+    fi
+
+
+    return 0
+
+}
+
+function semverLT() {
+    local MAJOR_A=0
+    local MINOR_A=0
+    local PATCH_A=0
+    local SPECIAL_A=0
+
+    local MAJOR_B=0
+    local MINOR_B=0
+    local PATCH_B=0
+    local SPECIAL_B=0
+
+    semverParseInto $1 MAJOR_A MINOR_A PATCH_A SPECIAL_A
+    semverParseInto $2 MAJOR_B MINOR_B PATCH_B SPECIAL_B
+
+    if [ $MAJOR_A -lt $MAJOR_B ]; then
+        return 0
+    fi
+
+    if [[ $MAJOR_A -le $MAJOR_B  && $MINOR_A -lt $MINOR_B ]]; then
+        return 0
+    fi
+
+    if [[ $MAJOR_A -le $MAJOR_B  && $MINOR_A -le $MINOR_B && $PATCH_A -lt $PATCH_B ]]; then
+        return 0
+    fi
+
+    if [[ "_$SPECIAL_A"  == "_" ]] && [[ "_$SPECIAL_B"  == "_" ]] ; then
+        return 1
+    fi
+    if [[ "_$SPECIAL_A"  == "_" ]] && [[ "_$SPECIAL_B"  != "_" ]] ; then
+        return 1
+    fi
+    if [[ "_$SPECIAL_A"  != "_" ]] && [[ "_$SPECIAL_B"  == "_" ]] ; then
+        return 0
+    fi
+
+    if [[ "_$SPECIAL_A" < "_$SPECIAL_B" ]]; then
+        return 0
+    fi
+
+    return 1
+
+}
+
+function semverGT() {
+    semverEQ $1 $2
+    local EQ=$?
+
+    semverLT $1 $2
+    local LT=$?
+
+    if [ $EQ -ne 0 ] && [ $LT -ne 0 ]; then
+        return 0
+    else
+        return 1
+    fi
+}
+

bin/blackbox_decrypt_all_files

@@ -14,9 +14,7 @@
 export PATH=/usr/bin:/bin:"$PATH"
 
 set -e
+source "${0%/*}/_blackbox_common.sh"
 
-if [[ -z $GPG_AGENT_INFO ]]; then
+gpg_agent_notice
-  eval $(gpg-agent --daemon)
-fi
-
 exec blackbox_postdeploy "$@"

bin/blackbox_diff

@@ -7,13 +7,7 @@
 set -e
 source "${0%/*}/_blackbox_common.sh"
 
-if [[ -z $GPG_AGENT_INFO ]]; then
+gpg_agent_notice
-  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=()

bin/blackbox_update_all_files

@@ -7,13 +7,7 @@
 set -e
 source "${0%/*}/_blackbox_common.sh"
 
-if [[ -z $GPG_AGENT_INFO ]]; then
+gpg_agent_notice
-  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
-
 disclose_admins
 prepare_keychain
 

bin/blackbox_whatsnew

@@ -14,13 +14,7 @@ then
 fi
 
 fail_if_not_in_repo
-
+gpg_agent_notice
-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