$ git clone -n https://src.fedoraproject.org/rpms/ghc-json.git /var/lib/mock/f31-build-54494-28014/root/chroot_tmpdir/scmroot/ghc-json
Cloning into '/var/lib/mock/f31-build-54494-28014/root/chroot_tmpdir/scmroot/ghc-json'...
$ git reset --hard a1e3f4ac1438b33b207b761fd2de6dd2be5c3af2
HEAD is now at a1e3f4a update to 0.9.3