$ git clone -n https://src.fedoraproject.org/rpms/antlr3.git /var/lib/mock/f41-build-710663-13019/root/chroot_tmpdir/scmroot/antlr3
Cloning into '/var/lib/mock/f41-build-710663-13019/root/chroot_tmpdir/scmroot/antlr3'...
$ git fetch origin 05c54cd13650c83e61a4c5b21874272943126f61:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/antlr3
 * [new ref]         05c54cd13650c83e61a4c5b21874272943126f61 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 05c54cd Rebuilt for java-21-openjdk as system jdk