#!/bin/bash
shopt -sq extglob

# NOTE: this uses a different algorithm
# for parsing the package name/version/release
# than setup.  However, it mostly works...
parseName() {
  REM=${1%%*([^-])}
  REL=${1##$REM}
  NEXT=${REM%%-}
  REM=${NEXT%%*([^-])}
  VER=${NEXT##$REM}
  PKG=${REM%%-}
}
do_postinstall() {
  while read line ; do
    case $line in
      etc/postinstall/*) 
        `/$line`
         mv /$line /$line.done
         ;;
      *) ;;
    esac
  done < /etc/setup/${PKG}.lst
}

# we need /etc/setup/installed.db so that 'cygcheck -c' will work
if [ ! -f /etc/setup/installed.db ] ; then
  echo "INSTALLED.DB 2" > /etc/setup/installed.db
fi

for fn in $* ; do
  case $fn in
    *-src.tar*) echo "I don't do -src packages" ;;
    *.tar.bz2) 
	   parseName ${fn%%.tar.bz2} 
		echo Installing $PKG  Version $VER  Release $REL
	   bunzip2 -dc $fn | tar -C / -x -v -f -
		bunzip2 -dc $fn | tar -t -v -f - | gawk '{print $6}' |\
		 > /etc/setup/${PKG}.lst
		do_postinstall
		gzip /etc/setup/${PKG}.lst
		echo "$PKG $fn 0" >> /etc/setup/installed.db
      ;;		
	 *.tar.gz)
	   parseName ${fn%%.tar.gz} 
		echo Installing $PKG  Version $VER  Release $REL
	   gunzip -dc $fn | tar -C / -x -v -f -
		gunzip -dc $fn | tar -t -v -f - | gawk '{print $6}' |\
		 > /etc/setup/${PKG}.lst.gz
		do_postinstall
		gzip /etc/setup/${PKG}.lst
		echo "$PKG $fn 0" >> /etc/setup/installed.db
      ;;
	 *) echo bad filespec: $fn ;;
  esac
done

echo "It's up to you to sort and eliminate duplicates in"
echo "/etc/setup/installed.db"