$ git clone -n https://src.fedoraproject.org/rpms/umbrello.git /var/lib/mock/f40-build-780863-131362/root/chroot_tmpdir/scmroot/umbrello
Cloning into '/var/lib/mock/f40-build-780863-131362/root/chroot_tmpdir/scmroot/umbrello'...
$ git fetch origin 8d4ce9c3a839ec532286e7384ffb024db832f516:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/umbrello
 * [new ref]         8d4ce9c3a839ec532286e7384ffb024db832f516 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 8d4ce9c 24.01.95