$ git clone -n https://src.fedoraproject.org/rpms/ghc-req.git /var/lib/mock/f40-build-744984-111932/root/chroot_tmpdir/scmroot/ghc-req
Cloning into '/var/lib/mock/f40-build-744984-111932/root/chroot_tmpdir/scmroot/ghc-req'...
$ git reset --hard 56338da5b06f0e9394b0bc5f857f411c62842d81
HEAD is now at 56338da bump release