$ git clone -n http://fedora.riscv.rocks:3000/rpms/mlir.git /var/lib/mock/f41-build-845735-162770/root/chroot_tmpdir/scmroot/mlir
Cloning into '/var/lib/mock/f41-build-845735-162770/root/chroot_tmpdir/scmroot/mlir'...
$ git fetch origin 84f9d0c207bbfb12b4c515352d4c959a9b30cc4e:KOJI_FETCH_HEAD
From http://fedora.riscv.rocks:3000/rpms/mlir
 * [new ref]         84f9d0c207bbfb12b4c515352d4c959a9b30cc4e -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 84f9d0c Merge remote-tracking branch 'up/main' into main-riscv64