#!/bin/bash
# Originally from Pierre's testing2extra script

if [ $# -ne 4 ]; then
	echo "usage: $(basename $0) <pkgname> <repo-from> <repo-to> <arch>"
	exit 1
fi

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

source_makepkg

packagename="$1"
repofrom="$2"
repoto="$3"
arch="$4"

export CARCH="$arch"

##### Arch specific stuff. TODO make this configurable #####
ftppath_from="/home/ftp/$repofrom/os/$arch/"
ftppath_to="/home/ftp/$repoto/os/$arch/"
svnpath="file:///home/svn-packages"
svnrepo_from="$repofrom-$arch"
svnrepo_to="$repoto-$arch"
############################################################

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

WORKDIR="/tmp/db-move.$svnrepo_from.$svnrepo_to.$UID"

cleanup() {
	# unlock
    repo_unlock $repoto $arch
    repo_unlock $repofrom $arch
	rm -rf "$WORKDIR"
	[ "$1" ] && exit $1
}

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

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

trap ctrl_c 2
trap cleanup 0 1

repo_lock $repoto $arch
repo_lock $repofrom $arch

/bin/mkdir -p "$WORKDIR"

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

/usr/bin/svn up -q $packagename
if [ -d "$packagename/repos/$svnrepo_from" ]; then
    . "$packagename/repos/$svnrepo_from/$BUILDSCRIPT"
    _pkgfile="$pkgname-$pkgver-$pkgrel-$CARCH$PKGEXT"

    if [ ! -f "$ftppath_from/$_pkgfile" ]; then
        die "error: package file '$_pkgfile' not found in repo '$repofrom'"
    fi

    if [ -d "$packagename/repos/$svnrepo_to" ]; then
        echo "    Removing existing package from subversion"
        /usr/bin/svn rm --force -q "$packagename/repos/$svnrepo_to"
        /usr/bin/svn commit -q -m "$(basename $0): $packagename removed by $(id -un) for move to $repoto"
    fi

    echo "    Moving svn entries"
    /usr/bin/svn mv -r HEAD "$packagename/repos/$svnrepo_from" "$packagename/repos/$svnrepo_to"
    /usr/bin/svn commit -m "$(basename $0): moved $packagename from [$repofrom] to [$repoto] ($arch)"

    echo "    Moving package file and updating DBs"
    cd "$WORKDIR"
    [ -d build/ ] || mkdir build
    cd build/

    # copy the db file into our working area
    if [ -f "$ftppath_from/$repofrom.db.tar.$DB_COMPRESSION" ]; then
        cp "$ftppath_from/$repofrom.db.tar.$DB_COMPRESSION" .
    else
        touch "$repofrom.db.tar.$DB_COMPRESSION"
    fi

    /usr/bin/repo-remove "$repofrom.db.tar.$DB_COMPRESSION" $packagename || die "Error in repo-remove"
    #use '*' to move the old DB too
    mv $repofrom.db.tar.$DB_COMPRESSION* $ftppath_from
    echo "    Package files will be cleaned up automatically"

    if [ -f "$ftppath_to/$repoto.db.tar.$DB_COMPRESSION" ]; then
        cp "$ftppath_to/$repoto.db.tar.$DB_COMPRESSION" .
    else
        touch "$repoto.db.tar.$DB_COMPRESSION"
    fi

    cp "$ftppath_from/$_pkgfile" .
    /usr/bin/repo-add "$repoto.db.tar.$DB_COMPRESSION" $_pkgfile || die "Error in repo-add"
    #use '*' to move the old DB too
    mv $repoto.db.tar.$DB_COMPRESSION* $_pkgfile $ftppath_to
else
    die "Error: $packagename is not in repo $repofrom"
fi

cleanup