$ git clone -n https://src.fedoraproject.org/rpms/maven-assembly-plugin.git /var/lib/mock/f38-build-side-42-init-devel-766333-27733/root/chroot_tmpdir/scmroot/maven-assembly-plugin
Cloning into '/var/lib/mock/f38-build-side-42-init-devel-766333-27733/root/chroot_tmpdir/scmroot/maven-assembly-plugin'...
$ git fetch origin 807faf692e3e9d9d1c06d340af8adfc3e0482a3a:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/maven-assembly-plugin
 * [new ref]         807faf692e3e9d9d1c06d340af8adfc3e0482a3a -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 807faf6 Rebuilt for https://fedoraproject.org/wiki/Fedora_38_Mass_Rebuild