$ git clone -n https://src.fedoraproject.org/rpms/gnatcoll-db.git /var/lib/mock/f40-build-2344734-59931/root/chroot_tmpdir/scmroot/gnatcoll-db
Cloning into '/var/lib/mock/f40-build-2344734-59931/root/chroot_tmpdir/scmroot/gnatcoll-db'...
$ git fetch origin e83458b24f430bc9a2c3489afadb52b543ae7ad0:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/gnatcoll-db
 * [new ref]         e83458b24f430bc9a2c3489afadb52b543ae7ad0 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at e83458b Rebuilt for https://fedoraproject.org/wiki/Fedora_40_Mass_Rebuild