$ git clone -n https://src.fedoraproject.org/rpms/ghc-Stream.git /var/lib/mock/f40-build-742851-110925/root/chroot_tmpdir/scmroot/ghc-Stream
Cloning into '/var/lib/mock/f40-build-742851-110925/root/chroot_tmpdir/scmroot/ghc-Stream'...
$ git reset --hard cdc5d10df5568f0e692252d830ec0da07e84d48e
HEAD is now at cdc5d10 bump release