$ git clone -n https://src.fedoraproject.org/rpms/ghc-SHA.git /var/lib/mock/f33-build-138830-42261/root/chroot_tmpdir/scmroot/ghc-SHA
Cloning into '/var/lib/mock/f33-build-138830-42261/root/chroot_tmpdir/scmroot/ghc-SHA'...
$ git reset --hard ca28636a694eca894a0098800d0992640cb39d04
HEAD is now at ca28636 - Rebuilt for https://fedoraproject.org/wiki/Fedora_32_Mass_Rebuild