$ git clone -n https://src.fedoraproject.org/rpms/gron.git /var/lib/mock/f42-build-866717-174070/root/chroot_tmpdir/scmroot/gron
Cloning into '/var/lib/mock/f42-build-866717-174070/root/chroot_tmpdir/scmroot/gron'...
$ git fetch origin ddbd9b8cb7daf8f9d04f48b71d51c9ff5e4800b9:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/gron
 * [new ref]         ddbd9b8cb7daf8f9d04f48b71d51c9ff5e4800b9 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at ddbd9b8 Rebuilt for https://fedoraproject.org/wiki/Fedora_41_Mass_Rebuild