$ git clone -n http://fedora.riscv.rocks:3000/rpms/llvm.git /var/lib/mock/f38-build-721693-98659/root/chroot_tmpdir/scmroot/llvm
Cloning into '/var/lib/mock/f38-build-721693-98659/root/chroot_tmpdir/scmroot/llvm'...
$ git fetch origin df8fc7f4c1589208c4beec757e607279d7b7e273:KOJI_FETCH_HEAD
From http://fedora.riscv.rocks:3000/rpms/llvm
 * [new ref]         df8fc7f4c1589208c4beec757e607279d7b7e273 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at df8fc7f Merge remote-tracking branch 'up/f38' into f38-riscv64