Method _get_round_diff

codeclash/agents/player.py:238–254

Get the diff between the round and initial version (round 0). If incremental is True, get the diff between the round and the previous round. Returns empty string if round is 0.

(self, round: int, *, incremental: bool = False)

            "git for-each-ref --format='%(refname)' refs/remotes refs/tags | xargs -r -n1 git update-ref -d",
            "git reflog expire --expire=now --all",
            "git gc --prune=now --quiet",
            "rm -f .git/FETCH_HEAD .git/ORIG_HEAD",
        ]:
            self.environment.execute(cmd)
        self.logger.info("Isolated git: removed origin + opponent branches/tags + FETCH_HEAD (anti-cheat)")

    def _commit(self) -> None:
        """Commit changes to the agent's codebase."""
        r = self.game_context.round
        unstage_binaries = (
            "git diff --cached --numstat | awk -F'\\t' '$1==\"-\" && $2==\"-\" {print $3}' "
            "| xargs -r -d '\\n' git reset -q HEAD --"
        )
        for cmd in [
            "git add -A",
            unstage_binaries,
            f"git commit --allow-empty -m '{self._round_message(r)}'",
        ]:
            assert_zero_exit_code(self.environment.execute(cmd), logger=self.logger)
        self._tag_round(r)