$ git clone -n https://src.fedoraproject.org/rpms/ghc-feed.git /var/lib/mock/f40-build-744634-111787/root/chroot_tmpdir/scmroot/ghc-feed
Cloning into '/var/lib/mock/f40-build-744634-111787/root/chroot_tmpdir/scmroot/ghc-feed'...
$ git reset --hard 54e933feaf4fbfb3afef9cae82699fbf3e050276
HEAD is now at 54e933f revised .cabal file