$ git clone -n https://src.fedoraproject.org/rpms/plexus-testing.git /var/lib/mock/f41-build-756743-13422/root/chroot_tmpdir/scmroot/plexus-testing
Cloning into '/var/lib/mock/f41-build-756743-13422/root/chroot_tmpdir/scmroot/plexus-testing'...
$ git fetch origin 226726fb23a2febf92883424499ca3d9c3d8419c:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/plexus-testing
 * [new ref]         226726fb23a2febf92883424499ca3d9c3d8419c -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 226726f bump of release for for java-21-openjdk as system jdk