$ git clone -n https://src.fedoraproject.org/rpms/cool-retro-term.git /var/lib/mock/f40-build-797637-141421/root/chroot_tmpdir/scmroot/cool-retro-term
Cloning into '/var/lib/mock/f40-build-797637-141421/root/chroot_tmpdir/scmroot/cool-retro-term'...
$ git fetch origin 2a18fabfbd3f31592b2b5cfd1ee3488b7fd1380a:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/cool-retro-term
 * [new ref]         2a18fabfbd3f31592b2b5cfd1ee3488b7fd1380a -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 2a18fab Rebuilt for https://fedoraproject.org/wiki/Fedora_40_Mass_Rebuild