$ git clone -n https://src.fedoraproject.org/rpms/xlsfonts.git /var/lib/mock/f40-build-790825-136877/root/chroot_tmpdir/scmroot/xlsfonts
Cloning into '/var/lib/mock/f40-build-790825-136877/root/chroot_tmpdir/scmroot/xlsfonts'...
$ git fetch origin d1fe2ec0881a83f72c827cd3f4918ce624b5f5ed:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/xlsfonts
 * [new ref]         d1fe2ec0881a83f72c827cd3f4918ce624b5f5ed -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at d1fe2ec Fix RHBZ #2261808