#!/bin/bash
#
# pkglist - create a list of packages to be merged with mergelist

# if no parameters are given, just create a full list of pkgs on the system (w/ versions)
if [[ $# -lt 1 ]]; then
	ACTION="full"
else
	ACTION="$@"
fi

case $ACTION in
	"full" )
		echo "Creating list of all installed packages in ~/pkg.list..."
		qlist -ICv > ~/pkg.list
		sort ~/pkg.list -o ~/pkg.list
	;;
	"random" )
		echo "Creating randomized list of all installed packages in ~/pkg.list..."
		qlist -ICv > ~/pkg.list
		sort -R ~/pkg.list -o ~/pkg.list
	;;
	* )
		echo "Creating list for target \"$@\" in ~/pkg.list..."
		emerge -ep --ignore-default-opts "$@" \
			| sed -e '/^\[.*/!d' \
			> ~/pkg.list
	;;
esac

# this bit should sanitize ~/pkg.list for use by mergelist.
# after passing through here, ~/pkg.list will be a list in the form:
#
#   ~category/pkgname-version-rev

sed -i -e 's:\.ebuild$::g' \
	-e 's:\[ebuild.*\].::g' \
	-e 's:\[.*\]::g' \
	-e '/^$/d' \
	-e 's:USE=.*$::g' \
	-e 's:\(^.*$\):~\1:g' \
	-e '/^.*\/gcc.*$/d' \
	-e '/^.*\/glibc.*$/d' \
	-e '/^.*\/linux-headers.*$/d' \
	-e '/^.*\/gentoo-sources.*$/d' \
	-e '/^.*\/ccache.*$/d' \
	~/pkg.list
#	-e '/^.*x11-proto\/.*$/d' \
#	-e '/^.*dev-perl\/.*$/d' \
#	-e '/^.*virtual\/.*$/d' \
#	-e '/perl/d' \