#!/usr/bin/env bash

# Install files into MacPorts DESTDIR

# Usage:
#   mk_macports MANIFEST MANIFEST1 ...

# 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
# (NOTE: "exec" means 0755; "read" means 0744)

set -e

# Fail if DESTDIR is not set.
DESTDIR="${DESTDIR?"Envvar DESTDIR must be set to destination dir."}"

# Copy the files into place:
cat """$@""" | while read -a arr ; do
  PERM="${arr[0]}"
  case $PERM in
    \#*)  continue ;;   # Skip comments.
    exec) PERM=0755 ;;
    read) PERM=0744 ;;
    *) ;;
  esac
  DST="$DESTDIR/${arr[1]}"
  SRC="${arr[2]}"
  install -m "$PERM" "$SRC" "$DST"
done