$ git clone -n https://src.fedoraproject.org/rpms/ghc.git /var/lib/mock/f37-build-644323-72213/root/chroot_tmpdir/scmroot/ghc
Cloning into '/var/lib/mock/f37-build-644323-72213/root/chroot_tmpdir/scmroot/ghc'...
$ git reset --hard 5dfb2bd4d667b83b087b610503b04f9821d8b47c
HEAD is now at 5dfb2bd ghc-compiler actually conflicts with ghcMAJOR-compiler-VERSION