$ git clone -n https://src.fedoraproject.org/rpms/ghc-http2.git /var/lib/mock/f31-build-100283-33244/root/thebuilddir/tmp/scmroot/ghc-http2
Cloning into '/var/lib/mock/f31-build-100283-33244/root/thebuilddir/tmp/scmroot/ghc-http2'...
$ git reset --hard 2808b9d0362aa0a583d6acb8580fb49949e9545a
HEAD is now at 2808b9d BR prof for lib and static for executable