$ git clone -n https://gitee.com/newstart-gdlc/libfm.git /var/lib/mock/dist-an23-nde-build-498254-73607/root/chroot_tmpdir/scmroot/libfm
Cloning into '/var/lib/mock/dist-an23-nde-build-498254-73607/root/chroot_tmpdir/scmroot/libfm'...
$ git fetch origin a6f180830019af0c40631e411d5bc3acb143061c:KOJI_FETCH_HEAD
From https://gitee.com/newstart-gdlc/libfm
 * [new ref]         a6f180830019af0c40631e411d5bc3acb143061c -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at a6f1808 Generate build requires