$ git clone -n https://src.fedoraproject.org/rpms/ghc-wai.git /var/lib/mock/f31-build-55048-28083/root/chroot_tmpdir/scmroot/ghc-wai
Cloning into '/var/lib/mock/f31-build-55048-28083/root/chroot_tmpdir/scmroot/ghc-wai'...
$ git reset --hard da015c8c99a7e824e0c8859fff627b7c60aef029
HEAD is now at da015c8 refresh to cabal-rpm-0.13