$ git clone -n https://src.fedoraproject.org/rpms/plexus-velocity.git /var/lib/mock/f41-build-756749-13422/root/chroot_tmpdir/scmroot/plexus-velocity
Cloning into '/var/lib/mock/f41-build-756749-13422/root/chroot_tmpdir/scmroot/plexus-velocity'...
$ git fetch origin 0e29a407473fe381c247e4d4f54f9ce5c2ab0120:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/plexus-velocity
 * [new ref]         0e29a407473fe381c247e4d4f54f9ce5c2ab0120 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 0e29a40 Rebuilt for java-21-openjdk as system jdk