$ git clone -n https://src.fedoraproject.org/rpms/ghc-crypto-api.git /var/lib/mock/f31-build-111102-34110/root/chroot_tmpdir/scmroot/ghc-crypto-api
Cloning into '/var/lib/mock/f31-build-111102-34110/root/chroot_tmpdir/scmroot/ghc-crypto-api'...
$ git reset --hard 7c90cf6813829f74eee23a5efd581732aa02d77e
HEAD is now at 7c90cf6 BR prof for lib and static for executable