$ git clone -n https://src.fedoraproject.org/rpms/ghc-network-uri.git /var/lib/mock/f41-build-839566-160219/root/chroot_tmpdir/scmroot/ghc-network-uri
Cloning into '/var/lib/mock/f41-build-839566-160219/root/chroot_tmpdir/scmroot/ghc-network-uri'...
$ git reset --hard 647a13e29cffc39791ce5b474d789c868bba3531
HEAD is now at 647a13e revise .cabal file