$ git clone -n https://src.fedoraproject.org/rpms/haskell-platform.git /var/lib/mock/f40-build-745037-111932/root/chroot_tmpdir/scmroot/haskell-platform
Cloning into '/var/lib/mock/f40-build-745037-111932/root/chroot_tmpdir/scmroot/haskell-platform'...
$ git reset --hard fb1edd4740d9633126d207290f3fef7ef6d5e3ce
HEAD is now at fb1edd4 make stack-symlink-distro-ghc executable