#!/bin/bash

if [ $# -ne 3 ]; then
	echo "usage: $(basename $0) <pkgname|packagebase> <reponame> <arch>"
	exit 1
fi

. "$(dirname $0)/db-functions"
. "$(dirname $0)/config"

packagebase="$1"
reponame="$2"
_arch="$3"

ftppath="$FTP_BASE/$reponame/os"
svnrepo="$reponame-$_arch"

[ "$UID" = "" ] && UID=$(uid)

WORKDIR="$TMPDIR/db-remove.$svnrepo.$UID"

cleanup() {
    trap '' 0 2
	# unlock
	repo_unlock $reponame $_arch
	rm -rf "$WORKDIR"
	[ "$1" ] && exit $1
}

ctrl_c() {
	echo "Interrupted" >&2
	cleanup 0
}

die() {
	echo "$*" >&2
	cleanup 1
}

trap ctrl_c 2
trap cleanup 0

repo_lock $reponame $_arch

/bin/mkdir -p "$WORKDIR"


echo "==> Removing package '$packagebase' from '$reponame'..." >&2

cd "$WORKDIR"
/usr/bin/svn checkout -N $SVNREPO checkout
cd checkout

/usr/bin/svn up -q $packagebase
if [ -d "$packagebase/repos/$svnrepo" ]; then
	echo "    Removing from subversion"
	. "$packagebase/repos/$svnrepo/$BUILDSCRIPT"
	/usr/bin/svn rm --force -q "$packagebase/repos/$svnrepo"
	/usr/bin/svn commit -q -m "$(basename $0): $packagebase removed by $(id -un)"
else
	echo "    Warning: $packagebase not found in $svnrepo"
	echo "             Removing split packages is not supported"
	echo "             You need to specify each sub package instead"
	pkgname=$packagebase
fi

cd "$WORKDIR"
[ -d build/ ] || mkdir build

if [ "$_arch" == "any" ]; then
	arches="i686 x86_64"
else
	arches="$_arch"
fi

# copy the db file into our working area
for architecture in $arches; do
	if [ -f "$ftppath/$architecture/$reponame$DBEXT" ]; then
		/bin/cp "$ftppath/$architecture/$reponame$DBEXT" build/
	else
		echo "No database found at '$ftppath/$architecture', nothing more to do"
		exit 0
	fi

	echo "    Removing from $reponame DB file ($architecture)"
	cd build/
	/usr/bin/repo-remove -q "$reponame$DBEXT" ${pkgname[@]}

	/bin/mv "$reponame$DBEXT" "$ftppath/$architecture"

	echo "Package files will be cleaned up automatically"
	cd ..
done
cleanup
# vim: set ts=4 sw=4 noet ft=sh: