$ git clone -n https://src.fedoraproject.org/rpms/ghc-with-location.git /var/lib/mock/f31-build-55059-28083/root/chroot_tmpdir/scmroot/ghc-with-location
Cloning into '/var/lib/mock/f31-build-55059-28083/root/chroot_tmpdir/scmroot/ghc-with-location'...
$ git reset --hard 360af55088dc6000a88051320d2543b4344e7cc5
HEAD is now at 360af55 refresh to cabal-rpm-0.13