$ git clone -n https://src.fedoraproject.org/rpms/kiln.git /var/lib/mock/f42-build-866746-174091/root/chroot_tmpdir/scmroot/kiln
Cloning into '/var/lib/mock/f42-build-866746-174091/root/chroot_tmpdir/scmroot/kiln'...
$ git fetch origin aa989ef200640e8e4c9732e9c2c61a21c107579e:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/kiln
 * [new ref]         aa989ef200640e8e4c9732e9c2c61a21c107579e -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at aa989ef Rebuilt for https://fedoraproject.org/wiki/Fedora_41_Mass_Rebuild