$ git clone -n https://src.fedoraproject.org/rpms/ghc-cryptohash.git /var/lib/mock/f31-build-111123-34116/root/chroot_tmpdir/scmroot/ghc-cryptohash
Cloning into '/var/lib/mock/f31-build-111123-34116/root/chroot_tmpdir/scmroot/ghc-cryptohash'...
$ git reset --hard 10beb2924d87e01d40c5179aa5c8b39423f1f870
HEAD is now at 10beb29 BR prof for lib and static for executable