$ git clone -n https://src.fedoraproject.org/rpms/ghc-yaml.git /var/lib/mock/f33-build-402600-62572/root/chroot_tmpdir/scmroot/ghc-yaml
Cloning into '/var/lib/mock/f33-build-402600-62572/root/chroot_tmpdir/scmroot/ghc-yaml'...
$ git reset --hard e8391a024dad2b2e8125fd0ec5892a478832ddc7
HEAD is now at e8391a0 - Second attempt - Rebuilt for https://fedoraproject.org/wiki/Fedora_33_Mass_Rebuild