{"action":"created","comment":{"url":"https://api.github.com/repos/borgbackup/borg/pulls/comments/55921031","id":55921031,"diff_hunk":"@@ -353,6 +355,155 @@ def do_extract(self, args):\n                 self.print_warning(\"Include pattern '%s' never matched.\", pattern)\n         return self.exit_code\n \n+    def do_diff(self, args):\n+        \"\"\"Diff archive contents\"\"\"\n+        def dump_json(dictionary):\n+            if dump_json.wants_comma:\n+                sys.stdout.write(\",\")\n+            dump_json.wants_comma = True\n+            json.dump(dictionary, sys.stdout)\n+        dump_json.wants_comma = False\n+\n+        def format_bytes(count):\n+            if count is None:\n+                return \"<deleted>\"\n+            return format_file_size(count)\n+\n+        def compare_chunks(lhs, rhs, lhs_archive, rhs_archive):\n+            lhs_hash = sha256()\n+            rhs_hash = sha256()\n+            for chunk in lhs_archive.pipeline.fetch_many(lhs):\n+                lhs_hash.update(chunk)\n+            for chunk in rhs_archive.pipeline.fetch_many(rhs):\n+                rhs_hash.update(chunk)\n+            return lhs_hash.digest() == rhs_hash.digest()","path":"borg/archiver.py","position":39,"original_position":39,"commit_id":"11f60113c8dfffe8c4a162e6ff67011bc0f95306","original_commit_id":"11f60113c8dfffe8c4a162e6ff67011bc0f95306","user":{"login":"ThomasWaldmann","id":356103,"avatar_url":"https://avatars.githubusercontent.com/u/356103?v=3","gravatar_id":"","url":"https://api.github.com/users/ThomasWaldmann","html_url":"https://github.com/ThomasWaldmann","followers_url":"https://api.github.com/users/ThomasWaldmann/followers","following_url":"https://api.github.com/users/ThomasWaldmann/following{/other_user}","gists_url":"https://api.github.com/users/ThomasWaldmann/gists{/gist_id}","starred_url":"https://api.github.com/users/ThomasWaldmann/starred{/owner}{/repo}","subscriptions_url":"https://api.github.com/users/ThomasWaldmann/subscriptions","organizations_url":"https://api.github.com/users/ThomasWaldmann/orgs","repos_url":"https://api.github.com/users/ThomasWaldmann/repos","events_url":"https://api.github.com/users/ThomasWaldmann/events{/privacy}","received_events_url":"https://api.github.com/users/ThomasWaldmann/received_events","type":"User","site_admin":false},"body":"as left and right has not really a meaning here, can you change it to:\r\nlhs -> chunk_ids1\r\nrhs -> chunk_ids2\r\nlhs_archive -> archive1\r\nrhs_archive -> archive2\r\n?","created_at":"2016-03-12T12:49:13Z","updated_at":"2016-03-12T12:49:13Z","html_url":"https://github.com/borgbackup/borg/pull/740#discussion_r55921031","pull_request_url":"https://api.github.com/repos/borgbackup/borg/pulls/740","_links":{"self":{"href":"https://api.github.com/repos/borgbackup/borg/pulls/comments/55921031"},"html":{"href":"https://github.com/borgbackup/borg/pull/740#discussion_r55921031"},"pull_request":{"href":"https://api.github.com/repos/borgbackup/borg/pulls/740"}}},"pull_request":{"url":"https://api.github.com/repos/borgbackup/borg/pulls/740","id":62639423,"html_url":"https://github.com/borgbackup/borg/pull/740","diff_url":"https://github.com/borgbackup/borg/pull/740.diff","patch_url":"https://github.com/borgbackup/borg/pull/740.patch","issue_url":"https://api.github.com/repos/borgbackup/borg/issues/740","number":740,"state":"open","locked":false,"title":"WIP borg diff: find different files between archives","user":{"login":"enkore","id":1330164,"avatar_url":"https://avatars.githubusercontent.com/u/1330164?v=3","gravatar_id":"","url":"https://api.github.com/users/enkore","html_url":"https://github.com/enkore","followers_url":"https://api.github.com/users/enkore/followers","following_url":"https://api.github.com/users/enkore/following{/other_user}","gists_url":"https://api.github.com/users/enkore/gists{/gist_id}","starred_url":"https://api.github.com/users/enkore/starred{/owner}{/repo}","subscriptions_url":"https://api.github.com/users/enkore/subscriptions","organizations_url":"https://api.github.com/users/enkore/orgs","repos_url":"https://api.github.com/users/enkore/repos","events_url":"https://api.github.com/users/enkore/events{/privacy}","received_events_url":"https://api.github.com/users/enkore/received_events","type":"User","site_admin":false},"body":"Follow-up to #729 \r\n\r\n**TODO**\r\n\r\n- [ ] Tests\r\n- [ ] Better implementation of `compare_chunks`? 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