$ git clone -n https://gitee.com/lizhao2025/libical.git /var/lib/mock/dist-an23-build-496688-74608/root/chroot_tmpdir/scmroot/libical
Cloning into '/var/lib/mock/dist-an23-build-496688-74608/root/chroot_tmpdir/scmroot/libical'...
$ git fetch origin fd90ededc93703f268ccbf65a37d3925a8a46d02:KOJI_FETCH_HEAD
From https://gitee.com/lizhao2025/libical
 * [new ref]         fd90ededc93703f268ccbf65a37d3925a8a46d02 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at fd90ede Update code from upstream