#! /bin/sh

# Copyright (C) 2015 The Qt Company Ltd.
# Contact: http://www.qt.io/licensing/
#
# You may use this file under the terms of the 3-clause BSD license.
# See the file LICENSE from this package for details.
#

# Run this once a day (from a cron job) to keep the sanity bot's
# git clones performing well.

instance=sanitybot
test -n "$1" && instance=$1

root=$(git config $instance.gitbasedir)
if test -z "$root"; then
    echo "Error: $instance.gitbasedir not set" >&2
    exit 1
fi
cd "$root" || exit
find -name '*.git' -type d -prune | while read dir; do (
    # use "git config --global gc.packrefs notbare" to make sure this works
    test -d $dir/refs/changes || exit
    echo "Entering $dir ..."
    cd "$dir" || exit
    find refs/changes -mindepth 1 -mtime +10 -delete
    git gc
); done