$ git clone -n https://src.fedoraproject.org/rpms/antlrworks.git /var/lib/mock/f40-build-1488728-23846/root/chroot_tmpdir/scmroot/antlrworks
Cloning into '/var/lib/mock/f40-build-1488728-23846/root/chroot_tmpdir/scmroot/antlrworks'...
$ git fetch origin 2ea5d71413cbc30328f614b0adfcee4f8833d0dd:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/antlrworks
 * [new ref]         2ea5d71413cbc30328f614b0adfcee4f8833d0dd -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 2ea5d71 Rebuilt for java-21-openjdk as system jdk