$ git clone -n https://src.fedoraproject.org/rpms/mlir.git /var/lib/mock/f41-build-756014-13417/root/chroot_tmpdir/scmroot/mlir
Cloning into '/var/lib/mock/f41-build-756014-13417/root/chroot_tmpdir/scmroot/mlir'...
$ git fetch origin 896d5c5fde176630dd60c3a62ef34f98588d87bb:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/mlir
 * [new ref]         896d5c5fde176630dd60c3a62ef34f98588d87bb -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 896d5c5 18.1.6 Release