$ git clone -n https://src.fedoraproject.org/rpms/ghc-concurrent-output.git /var/lib/mock/f33-build-154438-43354/root/chroot_tmpdir/scmroot/ghc-concurrent-output
Cloning into '/var/lib/mock/f33-build-154438-43354/root/chroot_tmpdir/scmroot/ghc-concurrent-output'...
$ git reset --hard 56a5957ecea2edc2973a160d3c987fb2b8b19fe5
HEAD is now at 56a5957 update to 1.10.11