$ git clone -n https://src.fedoraproject.org/rpms/cjs.git /var/lib/mock/f40-build-800028-142746/root/chroot_tmpdir/scmroot/cjs
Cloning into '/var/lib/mock/f40-build-800028-142746/root/chroot_tmpdir/scmroot/cjs'...
$ git fetch origin 33e0c02e9e75c3bc31d6cee9de800392c913d5cb:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/cjs
 * [new ref]         33e0c02e9e75c3bc31d6cee9de800392c913d5cb -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 33e0c02 Rebuilt for https://fedoraproject.org/wiki/Fedora_40_Mass_Rebuild