$ git clone -n https://src.fedoraproject.org/rpms/plexus-classworlds.git /var/lib/mock/f41-build-737307-13290/root/chroot_tmpdir/scmroot/plexus-classworlds
Cloning into '/var/lib/mock/f41-build-737307-13290/root/chroot_tmpdir/scmroot/plexus-classworlds'...
$ git fetch origin 0ba5306d9aefc7583349e4f6cb5c837b6803380a:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/plexus-classworlds
 * [new ref]         0ba5306d9aefc7583349e4f6cb5c837b6803380a -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 0ba5306 Rebuilt for java-21-openjdk as system jdk