$ git clone -n https://src.fedoraproject.org/rpms/librsync.git /var/lib/mock/f40-build-741402-110156/root/chroot_tmpdir/scmroot/librsync
Cloning into '/var/lib/mock/f40-build-741402-110156/root/chroot_tmpdir/scmroot/librsync'...
$ git fetch origin ab7f50f2f27de0950ec02d92dfd2916ed12f7f46:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/librsync
 * [new ref]         ab7f50f2f27de0950ec02d92dfd2916ed12f7f46 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at ab7f50f Rebuilt for https://fedoraproject.org/wiki/Fedora_39_Mass_Rebuild