$ git clone -n https://src.fedoraproject.org/rpms/4th.git /var/lib/mock/f40-build-797302-141193/root/chroot_tmpdir/scmroot/4th
Cloning into '/var/lib/mock/f40-build-797302-141193/root/chroot_tmpdir/scmroot/4th'...
$ git fetch origin 564bf8aa4649938c33bcc0d1ab0fa20e04ca841f:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/4th
 * [new ref]         564bf8aa4649938c33bcc0d1ab0fa20e04ca841f -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 564bf8a Rebuilt for https://fedoraproject.org/wiki/Fedora_40_Mass_Rebuild