$ git clone -n https://gitee.com/mgb01105731/system-rpm-config.git /var/lib/mock/dist-an27-build-527593-79639/root/chroot_tmpdir/scmroot/system-rpm-config
Cloning into '/var/lib/mock/dist-an27-build-527593-79639/root/chroot_tmpdir/scmroot/system-rpm-config'...
$ git fetch origin 91f6d786486f999490cb0900e3accd79001ba62a:KOJI_FETCH_HEAD
From https://gitee.com/mgb01105731/system-rpm-config
 * [new ref]         91f6d786486f999490cb0900e3accd79001ba62a -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 91f6d78 Init package