$ git clone -n https://src.fedoraproject.org/rpms/ghc-cryptohash-sha1.git /var/lib/mock/f31-build-54218-27968/root/chroot_tmpdir/scmroot/ghc-cryptohash-sha1
Cloning into '/var/lib/mock/f31-build-54218-27968/root/chroot_tmpdir/scmroot/ghc-cryptohash-sha1'...
$ git reset --hard 2039380ea094cb725c933cea0d8f929229aba1a7
HEAD is now at 2039380 refresh to cabal-rpm-0.13