$ git clone -n https://src.fedoraproject.org/rpms/mingw-llvm.git /var/lib/mock/f40-build-2200981-51796/root/chroot_tmpdir/scmroot/mingw-llvm
Cloning into '/var/lib/mock/f40-build-2200981-51796/root/chroot_tmpdir/scmroot/mingw-llvm'...
$ git fetch origin b07959f7acf4c0a5d892baeeacb3079cf9916fc1:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/mingw-llvm
 * [new ref]         b07959f7acf4c0a5d892baeeacb3079cf9916fc1 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at b07959f Update to 17.0.6