$ git clone -n https://github.com/xcp-ng-rpms/vncterm.git /var/lib/mock/v9.0-u-ydi1-11562-29868/root/chroot_tmpdir/scmroot/vncterm
Cloning into '/var/lib/mock/v9.0-u-ydi1-11562-29868/root/chroot_tmpdir/scmroot/vncterm'...
$ git fetch origin ae041c26bde598a26e0843aa796327f7e6ee550d:KOJI_FETCH_HEAD
From https://github.com/xcp-ng-rpms/vncterm
 * [new ref]         ae041c26bde598a26e0843aa796327f7e6ee550d -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at ae041c2 bump release for test build