$ git clone -n https://src.fedoraproject.org/rpms/voms.git /var/lib/mock/f40-build-1951022-25188/root/chroot_tmpdir/scmroot/voms
Cloning into '/var/lib/mock/f40-build-1951022-25188/root/chroot_tmpdir/scmroot/voms'...
$ git fetch origin a92317e9020e41224a8c3f1536b4eb74c1192538:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/voms
 * [new ref]         a92317e9020e41224a8c3f1536b4eb74c1192538 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at a92317e Update to version 2.1.0