$ git clone -n https://src.fedoraproject.org/rpms/ballerburg.git /var/lib/mock/f42-build-881968-184123/root/chroot_tmpdir/scmroot/ballerburg
Cloning into '/var/lib/mock/f42-build-881968-184123/root/chroot_tmpdir/scmroot/ballerburg'...
$ git fetch origin fd8b1faa6dc64cd8a6ed5940f95bb93bd2c76f2a:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/ballerburg
 * [new ref]         fd8b1faa6dc64cd8a6ed5940f95bb93bd2c76f2a -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at fd8b1fa Rebuilt for https://fedoraproject.org/wiki/Fedora_42_Mass_Rebuild