$ git clone -n https://src.fedoraproject.org/rpms/ghc-stm-chans.git /var/lib/mock/f33-build-183178-45422/root/chroot_tmpdir/scmroot/ghc-stm-chans
Cloning into '/var/lib/mock/f33-build-183178-45422/root/chroot_tmpdir/scmroot/ghc-stm-chans'...
$ git reset --hard 2565f8f2f4682e5ffe03240c3786d0c4a90f6478
HEAD is now at 2565f8f - Rebuilt for https://fedoraproject.org/wiki/Fedora_32_Mass_Rebuild