$ git clone -n https://src.fedoraproject.org/rpms/elementary-files.git /var/lib/mock/f42-build-3274298-41315/root/chroot_tmpdir/scmroot/elementary-files
Cloning into '/var/lib/mock/f42-build-3274298-41315/root/chroot_tmpdir/scmroot/elementary-files'...
$ git fetch origin 6431382b82e6808ff46b29999265e71893ca5fd7:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/elementary-files
 * [new ref]         6431382b82e6808ff46b29999265e71893ca5fd7 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 6431382 Rebuilt for https://fedoraproject.org/wiki/Fedora_42_Mass_Rebuild