$ git clone -n https://gitee.com/happy_orange/alien.git /var/lib/mock/dist-an8.9-build-417405-72835/root/chroot_tmpdir/scmroot/alien
Cloning into '/var/lib/mock/dist-an8.9-build-417405-72835/root/chroot_tmpdir/scmroot/alien'...
$ git fetch origin 873a6fd782d38d734bb3e0bc56ccb22d5f72ba6d:KOJI_FETCH_HEAD
From https://gitee.com/happy_orange/alien
 * [new ref]         873a6fd782d38d734bb3e0bc56ccb22d5f72ba6d -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 873a6fd init package