$ git clone -n https://src.fedoraproject.org/rpms/c4log.git /var/lib/mock/f40-build-2649684-66855/root/chroot_tmpdir/scmroot/c4log
Cloning into '/var/lib/mock/f40-build-2649684-66855/root/chroot_tmpdir/scmroot/c4log'...
$ git fetch origin ac55f7180c4e4f6a6be3c1de41b378551cba2eba:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/c4log
 * [new ref]         ac55f7180c4e4f6a6be3c1de41b378551cba2eba -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at ac55f71 Rebuilt for https://fedoraproject.org/wiki/Fedora_40_Mass_Rebuild