$ git clone -n https://src.fedoraproject.org/rpms/ghc-concurrent-output.git /var/lib/mock/f33-build-286907-53783/root/chroot_tmpdir/scmroot/ghc-concurrent-output
Cloning into '/var/lib/mock/f33-build-286907-53783/root/chroot_tmpdir/scmroot/ghc-concurrent-output'...
$ git reset --hard 9e3b9156818ce79084abe089e0502cf35dfcd26a
HEAD is now at 9e3b915 - Rebuilt for https://fedoraproject.org/wiki/Fedora_33_Mass_Rebuild