$ git clone -n https://src.fedoraproject.org/rpms/ghc-fixed.git /var/lib/mock/f40-build-742108-110518/root/chroot_tmpdir/scmroot/ghc-fixed
Cloning into '/var/lib/mock/f40-build-742108-110518/root/chroot_tmpdir/scmroot/ghc-fixed'...
$ git reset --hard e64c1086d87e8254ae41545398bae523cee098ca
HEAD is now at e64c108 bump release