$ git clone -n https://gitee.com/ocs-bot/gc.git /var/lib/mock/dist-ocs23-build-116084-7979/root/chroot_tmpdir/scmroot/gc
Cloning into '/var/lib/mock/dist-ocs23-build-116084-7979/root/chroot_tmpdir/scmroot/gc'...
$ git fetch origin master:KOJI_FETCH_HEAD
From https://gitee.com/ocs-bot/gc
 * [new branch]      master     -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at a4ccf35 Upgrade to version 8.2.4