$ git clone -n https://src.fedoraproject.org/rpms/fop.git /var/lib/mock/f40-build-1812271-24896/root/chroot_tmpdir/scmroot/fop
Cloning into '/var/lib/mock/f40-build-1812271-24896/root/chroot_tmpdir/scmroot/fop'...
$ git fetch origin 885cb655f8eefa5a064e60370cc368e695146f68:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/fop
 * [new ref]         885cb655f8eefa5a064e60370cc368e695146f68 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 885cb65 Rebuilt for java-21-openjdk as system jdk