╭─────────────╮ │scroll to top│ ╰─────────────╯ ╭ try.zig ──────────────────────────────────────────────────────╮ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ ╰───────────────────────────────────────────────────────────────╯
🬐 🬠 🬞🬂🬏 🬟 🬑 🬟 🬑 ╭e5771586..╮ e5771586.. see-em: 🬋🬋🬋 🬋🬋🬋 🬋 🬋 │files │ commits refs discuss issues new login 🬐 🬠 🬐 🬠 🬑 🬟 🬰 ╰──────────╯ (634) user
╭────╮ ╭ clone ─ ─ ─ ─ ─ ─ ─ ─ ─ ─ ─ ─ ─ ─ ╮ │http│ ssh │ │ ╰────╯ ╰ ─ ─ ─ ─ ─ ─ ─ ─ ─ ─ ─ ─ ─ ─ ─ ─ ─ ╯
.. embed/ event/ test/ ui/ command.zig diff3.zig event.zig find.zig fork.zig lib.zig main.zig main_wasm.zig markdown.zig patch.zig progress.zig push.zig search.zig search_commit.zig search_thread.zig serve.zig serve_common.zig serve_http.zig serve_ssh.zig serve_ssh_protocol.zig test.zig testnet.zig ╭─────────────────────────────────╮ │try.zig │ ╰─────────────────────────────────╯ ui.zig web.zig
820 .timestamp = @intCast(300 + i), 821 .author = .{ .name = user_data[i % user_data.len].name, .email = user_data[i % user_data.len].email }, 822 .event = .{ .discuss = .{ 823 .title = discussion.title, 824 .description = discussion.description, 825 .labels = discussion.labels, 826 } }, 827 }; 828 } 829 try evt.consume(.local, .repo, .xit, .{}, io, allocator, &template_repo, evt.events_ref, &discussion_events); 830 831 var discussion_comment_ids: [discussion_data.len][3][evt.event_id_size]u8 = undefined; 832 for (&discussion_comment_ids) |*ids| { 833 for (ids) |*id| id.* = evt.EventWithId.randomId(prng.random()); 834 } 835 var discussion_comment_events: [discussion_data.len * 3]evt.EventWithId = undefined; 836 for (&discussion_comment_events, 0..) |*event, i| { 837 const discussion_index = i / 3; 838 const comment_index = i % 3; 839 event.* = .{ 840 .id = std.fmt.bytesToHex(discussion_comment_ids[discussion_index][comment_index], .lower), 841 .timestamp = @intCast(400 + i), 842 .author = .{ .name = user_data[(i + 1) % user_data.len].name, .email = user_data[(i + 1) % user_data.len].email }, 843 .event = .{ .comment = .{ 844 .thread_id = discussion_events[discussion_index].id, 845 .parent_id = if (comment_index < 2) 846 discussion_events[discussion_index].id 847 else 848 std.fmt.bytesToHex(discussion_comment_ids[discussion_index][0], .lower), 849 .body = switch (comment_index) { 850 0 => "My preference is to start with the smallest useful version and expand it after we have real usage to learn from.", 851 1 => "It would help to write down the tradeoffs we are accepting so the decision is easy to revisit later.", 852 2 => "Agreed. A narrow first version should also make it easier to keep the implementation understandable.", 853 else => unreachable, 854 }, 855 } }, 856 }; 857 } 858 try evt.consume(.local, .repo, .xit, .{}, io, allocator, &template_repo, evt.events_ref, &discussion_comment_events); 859 try template_repo.patchAll(io, allocator, null); 860 try template_repo.addConfig(io, allocator, .{ .name = "core.bare", .value = "true" }); 861 try transaction(io, &template_repo, Reindex{ .io = io, .allocator = allocator, .core = &template_repo.core, .commits = true }); 862 // clear history only after indexing has written its transactions. 863 { 864 const moment = try evt.currentMoment(.{}, &template_repo); 865 const roots = try evt.PatchRev.gcRoots(rp.Repo(.xit, .{}).DB, .sha1, allocator, moment); 866 defer allocator.free(roots); 867 _ = try template_repo.garbageCollect(io, allocator, .{ .extra_roots = roots }); 868 } 869 } 870 871 // copy the template to each repo's on-disk location, named by its 872 // hex-encoded event id. the template repo is deinitialized above, so its 873 // db file is fully written before we copy it. 874 { 875 var template_dir = try cwd.openDir(io, template_path, .{}); 876 defer template_dir.close(io); 877 var template_repo_dir = try template_dir.openDir(io, ".xit", .{ .iterate = true }); 878 defer template_repo_dir.close(io); 879 880 for (repo_event_ids, 0..) |id_bytes, repo_index| { 881 const repo_path = try evt.repoPath(arena.allocator(), users_dir, &user_ids[repo_data[repo_index].user_index], &id_bytes); 882 { 883 var dest_dir = try cwd.createDirPathOpen(io, repo_path, .{}); 884 defer dest_dir.close(io); 885 var dest_repo_dir = try dest_dir.createDirPathOpen(io, ".xit", .{}); 886 defer dest_repo_dir.close(io); 887 try copyDir(io, template_repo_dir, dest_repo_dir); 888 } 889 890 if (repo_index + 1 == repo_data.len) { 891 var target_repo = try rp.Repo(.xit, .{}).open(io, allocator, .{ .path = repo_path, .require_repo_root = true }); 892 defer target_repo.deinit(io, allocator); 893 try seedPatches(io, allocator, server_path, &repo, &target_repo, &repo_event_ids[repo_index], &user_ids[repo_data[repo_index].user_index], &admin_user_id, prng.random()); 894 } 895 } 896 } 897 898 break :blk try ui.Session.init(&session_arena, &repo, .{ .user_id = &admin_user_id }); 899 }; 900 session.is_terminal = true; 901 session.color = std.mem.eql(u8, init.environ_map.get("NO_COLOR") orelse "", ""); 902 session.data.git_ssh_prefix = git_ssh_prefix; 903 904 // start the server 905 906 // let the native TUI's page builders open the on-disk repos for the file tree 907 session.io = io; 908 session.users_dir = try std.fs.path.join(session_arena.allocator(), &.{ server_path, "users" }); 909 910 // leave a one-shot session for the first browser to hit the web ui, so it 911 // starts logged in as admin 912 { 913 var data_dir = try cwd.createDirPathOpen(io, server_path, .{}); 914 defer data_dir.close(io); 915 const store = try hx.web.SessionStore.init(io, data_dir); 916 defer store.deinit(); 917 const token = try store.create(&admin_user_id); 918 try store.offerAutoLogin(&token); 919 } 920 921 if (cli) { 922 var stdout_writer = std.Io.File.stdout().writer(io, &.{}); 923 var stderr_writer = std.Io.File.stderr().writer(io, &.{}); 924 const run_opts = hx.main.RunOpts{ .out = &stdout_writer.interface, .err = &stderr_writer.interface }; 925 926 const Runnable = struct { 927 io: std.Io, 928 key_path: []const u8, 929 930 pub fn run(self: @This(), web_port: u16, http_port: ?u16, ssh_port_maybe: ?u16) !void { 931 _ = web_port; 932 _ = http_port; 933 const ssh_port = ssh_port_maybe orelse return error.SshDisabled; 934 std.debug.print( 935 \\ 936 \\connect to the TUI with: 937 \\ ssh -p {d} -o StrictHostKeyChecking=no -o UserKnownHostsFile=/dev/null localhost 938 \\ 939 \\create a git repo and push over SSH: 940 \\ mkdir -p temp-try/client/test 941 \\ cd temp-try/client/test 942 \\ git init 943 \\ echo "hello" > hello.txt 944 \\ git add hello.txt 945 \\ git commit -m "let there be light" 946 \\ GIT_SSH_COMMAND='ssh -p {d} -o StrictHostKeyChecking=no -o UserKnownHostsFile=/dev/null -o IdentitiesOnly=yes -i {s}' git push localhost:admin:test HEAD:master 947 \\ 948 \\to quit, press enter. 949 \\ 950 , .{ ssh_port, ssh_port, self.key_path }); 951 // portable stdin read via std.Io — equivalent to the 952 // std.posix.read(STDIN_FILENO, ...) that doesn't compile 953 // on windows. 954 var buf: [1]u8 = undefined; 955 var stdin_reader = std.Io.File.stdin().reader(self.io, &buf); 956 _ = stdin_reader.interface.takeByte() catch {}; 957 } 958 }; 959 960 try srv.run(.xit, .{}, io, allocator, cwd_path, serve_options, run_opts.err, Runnable{ .io = io, .key_path = key_path }); 961 } else { 962 var null_writer = std.Io.Writer.Discarding.init(&.{}); 963 const run_opts = hx.main.RunOpts{ .out = &null_writer.writer, .err = &null_writer.writer }; 964 965 const Runnable = struct { 966 io: std.Io, 967 allocator: std.mem.Allocator, 968 session: *ui.Session, 969 repo: *Repo, 970 971 pub fn run(self: @This(), web_port: u16, http_port: ?u16, ssh_port: ?u16) !void { 972 // launch the TUI; the footer points at whatever port was bound 973 self.session.web_port = web_port; 974 self.session.data.git_http_port = http_port; 975 self.session.data.git_ssh_port = ssh_port; 976 try hx.ui.run(self.io, self.allocator, self.session, self.repo); 977 } 978 }; 979 980 try srv.run(.xit, .{}, io, allocator, cwd_path, serve_options, run_opts.err, Runnable{ .io = io, .allocator = allocator, .session = &session, .repo = &repo }); 981 } 982 } 983 984 // words cycled through to pad generated lines into prose-like content 985 const scatter_words = [_][]const u8{ 986 "lorem", "ipsum", "dolor", "sit", "amet", "consectetur", 987 "quantum", "vector", "matrix", "buffer", "kernel", "socket", 988 "falcon", "otter", "badger", "walrus", "ferret", "marmot", 989 "scatter", "gather", "encode", "decode", "render", "commit", 990 }; 991 992 fn longDescription(allocator: std.mem.Allocator, initial: []const u8) ![]u8 { 993 var writer = std.Io.Writer.Allocating.init(allocator); 994 defer writer.deinit(); 995 try writer.writer.print("{s}", .{initial}); 996 for (0..ui.detail_preview_lines) |line| 997 try writer.writer.print("\n{d} {s}", .{ line, scatter_words[line % scatter_words.len] }); 998 return writer.toOwnedSlice(); 999 } 1000 1001 // write `path` as 40 lines of mostly-stable filler. revision `c` and file 1002 // index `fi` shift which lines change and the words used, so each (c, fi) 1003 // yields a distinct multi-hunk diff against the previous revision. untouched 1004 // lines stay byte-identical across revisions, so a bump in `c` is a scatter of 1005 // small hunks rather than a full rewrite. 1006 fn writeScatterFile(io: std.Io, allocator: std.mem.Allocator, repo_dir: std.Io.Dir, path: []const u8, fi: usize, c: usize) !void { 1007 const content = try scatterContent(allocator, fi, c, null); 1008 defer allocator.free(content); 1009 const file = try repo_dir.createFile(io, path, .{}); 1010 defer file.close(io); 1011 try file.writeStreamingAll(io, content); 1012 } 1013 1014 const ScatterEdit = struct { line: usize, text: []const u8 }; 1015 1016 fn scatterContent(allocator: std.mem.Allocator, fi: usize, c: usize, replacement: ?ScatterEdit) ![]u8 { 1017 var writer = std.Io.Writer.Allocating.init(allocator); 1018 defer writer.deinit(); 1019 for (0..40) |line| { 1020 if (replacement) |edit| if (line == edit.line) { 1021 try writer.writer.print("{s}\n", .{edit.text}); 1022 continue; 1023 }; 1024 const start = writer.written().len; 1025 if ((line + fi + c) % 8 == 0) { 1026 const tag = scatter_words[(line + fi + c * 3) % scatter_words.len]; 1027 try writer.writer.print("rev {d} {s}", .{ c, tag }); 1028 } 1029 const target = 40 + (line * 17 + fi * 23) % 70; 1030 var w = line + fi; 1031 while (true) : (w += 1) { 1032 const word = scatter_words[w % scatter_words.len]; 1033 const len = writer.written().len - start; 1034 if (len >= target or len + 1 + word.len > 120) break; 1035 if (len == 0) 1036 try writer.writer.print("{s}", .{word}) 1037 else 1038 try writer.writer.print(" {s}", .{word}); 1039 } 1040 try writer.writer.writeByte('\n'); 1041 } 1042 return writer.toOwnedSlice(); 1043 } 1044 1045 // tag the current HEAD with the next three sequential versions, so the refs 1046 // tab has enough tags to page through 1047 fn addNextTags(repo: *rp.Repo(.xit, .{}), io: std.Io, allocator: std.mem.Allocator, n: *usize) !void { 1048 for (0..3) |_| { 1049 var buf: [16]u8 = undefined; 1050 const name = try std.fmt.bufPrint(&buf, "v{d}", .{n.*}); 1051 _ = try repo.addTag(io, allocator, .{ .name = name }); 1052 n.* += 1; 1053 } 1054 } 1055 1056 fn commitTree( 1057 io: std.Io, 1058 allocator: std.mem.Allocator, 1059 repo: *rp.Repo(.xit, .{}), 1060 oid: *const [hash.hexLen(.sha1)]u8, 1061 ) ![hash.hexLen(.sha1)]u8 { 1062 var moment = try repo.core.latestMoment(); 1063 const state = rp.Repo(.xit, .{}).State(.read_only){ .core = &repo.core, .extra = .{ .moment = &moment } }; 1064 var object = try obj.Object(.xit, .{}).init(state, io, allocator, oid); 1065 defer object.deinit(); 1066 return switch (object.content) { 1067 .commit => |commit| commit.tree, 1068 else => error.InvalidObject, 1069 }; 1070 } 1071 1072 fn seedPatchRevision( 1073 io: std.Io, 1074 allocator: std.mem.Allocator, 1075 users_dir: []const u8, 1076 forker_id: *const [evt.event_id_size]u8, 1077 patch_id: *const [evt.event_id_size]u8, 1078 title: []const u8, 1079 author: evt.CommitAuthor, 1080 timestamp: u64, 1081 random: std.Random, 1082 base_oid: [hash.hexLen(.sha1)]u8, 1083 path: []const u8, 1084 contents: []const []const u8, 1085 ) !void { 1086 const patch_hex = std.fmt.bytesToHex(patch_id.*, .lower); 1087 const fork_path = try fork.forkPath(allocator, users_dir, forker_id, patch_id); 1088 defer allocator.free(fork_path); 1089 var fork_repo = try rp.Repo(.xit, .{}).open(io, allocator, .{ .path = fork_path, .require_repo_root = true }); 1090 defer fork_repo.deinit(io, allocator); 1091 1092 try fork_repo.addConfig(io, allocator, .{ .name = "core.bare", .value = "false" }); 1093 { 1094 var reset = try fork_repo.reset(io, allocator, .{ .target = .{ .oid = &base_oid } }); 1095 defer reset.deinit(); 1096 } 1097 const base_tree_oid = try commitTree(io, allocator, &fork_repo, &base_oid); 1098 var source_oid = base_oid; 1099 var fork_dir = try std.Io.Dir.cwd().openDir(io, fork_path, .{}); 1100 defer fork_dir.close(io); 1101 var writer = std.Io.Writer.Allocating.init(allocator); 1102 defer writer.deinit(); 1103 if (std.fs.path.dirname(path)) |dir| try fork_dir.createDirPath(io, dir); 1104 for (contents, 0..) |content, i| { 1105 { 1106 const file = try fork_dir.createFile(io, path, .{}); 1107 defer file.close(io); 1108 try file.writeStreamingAll(io, content); 1109 } 1110 try fork_repo.add(io, allocator, &.{path}); 1111 writer.clearRetainingCapacity(); 1112 try writer.writer.print("{s} ({d}/{d})", .{ title, i + 1, contents.len }); 1113 source_oid = try fork_repo.commit(io, allocator, .{ .message = writer.written(), .timestamp = timestamp + i }); 1114 } 1115 try fork_repo.patchAll(io, allocator, null); 1116 try fork_repo.addConfig(io, allocator, .{ .name = "core.bare", .value = "true" }); 1117 try transaction(io, &fork_repo, Reindex{ .io = io, .allocator = allocator, .core = &fork_repo.core, .commits = false }); 1118 _ = try fork_repo.garbageCollect(io, allocator, .{}); 1119 try fork_dir.deleteFile(io, path); 1120 const revision_id = evt.EventWithId.randomId(random); 1121 const head_tree_oid = try commitTree(io, allocator, &fork_repo, &source_oid); 1122 const revision: evt.PatchRev = .{ 1123 .base_oid = &base_oid, 1124 .source_oid = &source_oid, 1125 .message = title, 1126 }; 1127 const revision_timestamp = timestamp + 3; 1128 const tree_entries = [_]evt.EventTreeEntry{ 1129 .{ .tree = .{ .name = "base", .oid = &base_tree_oid } }, 1130 .{ .tree = .{ .name = "head", .oid = &head_tree_oid } }, 1131 }; 1132 try evt.consume(.{ .server = .{ .users_dir = users_dir } }, .fork, .xit, .{}, io, allocator, &fork_repo, evt.events_ref, &.{.{ 1133 .id = std.fmt.bytesToHex(revision_id, .lower), 1134 .timestamp = revision_timestamp, 1135 .author = author, 1136 .tree_entries = &tree_entries, 1137 .event = .{ .patchrev = revision }, 1138 }}); 1139 1140 var arena = std.heap.ArenaAllocator.init(allocator); 1141 defer arena.deinit(); 1142 const moment = try evt.currentMoment(.{}, &fork_repo); 1143 const revision_record = (try evt.PatchRev.readById(evt.EventDB(.sha1), .sha1, moment, &arena, &revision_id)) orelse return error.NotFound; 1144 const patch_record = (try evt.Patch.readById(evt.EventDB(.sha1), .sha1, moment, &arena, patch_id)) orelse return error.NotFound; 1145 var patch = patch_record.event; 1146 patch.revision = evt.Patch.Revision.fromRecord(revision_id, revision_record); 1147 try evt.consume(.{ .server = .{ .users_dir = users_dir } }, .fork, .xit, .{}, io, allocator, &fork_repo, evt.events_ref, &.{.{ 1148 .id = patch_hex, 1149 .timestamp = revision_timestamp + 1, 1150 .author = author, 1151 .event = .{ .patch = patch }, 1152 }}); 1153 } 1154 1155 fn seedPatches( 1156 io: std.Io, 1157 allocator: std.mem.Allocator, 1158 server_path: []const u8, 1159 admin_repo: *rp.Repo(.xit, evt.admin_repo_opts), 1160 target_repo: *rp.Repo(.xit, .{}), 1161 repo_id: *const [evt.event_id_size]u8, 1162 repo_user_id: *const [evt.event_id_size]u8, 1163 user_id: *const [evt.event_id_size]u8, 1164 random: std.Random, 1165 ) !void { 1166 const patch_data = [_]struct { 1167 title: []const u8, 1168 description: []const u8, 1169 labels: []const u8, 1170 status: ?evt.Patch.StatusKind, 1171 alpha_edit: ?ScatterEdit = null, 1172 // based behind master, so merging it makes a merge commit 1173 behind_master: bool = false, 1174 }{ 1175 .{ 1176 .title = "Draft a faster dependency scanner", 1177 .description = "Rework dependency discovery so a large workspace can be scanned without repeatedly opening the same manifests.", 1178 .labels = "performance build", 1179 .status = null, 1180 }, 1181 .{ 1182 .title = "Remove the legacy configuration loader", 1183 .description = "Delete the compatibility loader now that the replacement format has shipped and the migration warning has been available for a full release.", 1184 .labels = "cleanup config", 1185 .status = .merged, 1186 .behind_master = true, 1187 }, 1188 .{ 1189 .title = "Cache parsed manifests between commands", 1190 .description = "Keep parsed manifests in the command context so consecutive operations do not repeat identical filesystem and parsing work.", 1191 .labels = "performance cache", 1192 .status = .closed, 1193 }, 1194 .{ 1195 .title = "Add structured output to the inspect command", 1196 .description = "Add a stable JSON representation of inspect results for scripts and editor integrations.", 1197 .labels = "enhancement cli", 1198 .status = .open, 1199 }, 1200 .{ 1201 .title = "Edit an adjacent line in alpha.txt", 1202 .description = "This patch can be cleanly merged by haxy, while git throws a merge conflict!", 1203 .labels = "merge", 1204 .status = .open, 1205 .alpha_edit = .{ .line = 2, .text = "adjust alpha beside the latest scatter edit" }, 1206 }, 1207 .{ 1208 .title = "Edit a conflicting line in alpha.txt", 1209 .description = "Both source and squash merges conflict with a different edit to the same line on master.", 1210 .labels = "merge", 1211 .status = .open, 1212 .alpha_edit = .{ .line = 3, .text = "replace alpha with a conflicting edit" }, 1213 }, 1214 }; 1215 1216 const users_dir = try std.fs.path.join(allocator, &.{ server_path, "users" }); 1217 defer allocator.free(users_dir); 1218 const patch_author = evt.CommitAuthor{ .name = "admin", .email = "admin@example.test" }; 1219 var patch_ids: [patch_data.len][evt.event_id_size]u8 = undefined; 1220 for (patch_data, 0..) |patch, i| { 1221 const timestamp: u64 = @intCast(500 + i * 10); 1222 patch_ids[i] = evt.EventWithId.randomId(random); 1223 const patch_hex = std.fmt.bytesToHex(patch_ids[i], .lower); 1224 const path = try fork.create(.{}, io, allocator, users_dir, .{ 1225 .id = patch_hex, 1226 .user_id = user_id.*, 1227 .repo_id = repo_id.*, 1228 .repo_user_id = repo_user_id.*, 1229 .title = patch.title, 1230 .description = patch.description, 1231 .labels = patch.labels, 1232 .target_branch = "master", 1233 .author = patch_author, 1234 .timestamp = timestamp, 1235 }); 1236 allocator.free(path); 1237 1238 // prepare the patch's base and file contents, then seed its commits and revision 1239 { 1240 var arena = std.heap.ArenaAllocator.init(allocator); 1241 defer arena.deinit(); 1242 const aa = arena.allocator(); 1243 var base_oid = (try target_repo.readRef(io, .{ .kind = .head, .name = "master" })) orelse return error.NotFound; 1244 if (patch.alpha_edit != null or patch.behind_master) { 1245 // v30 precedes the last scatter commit, even after the sample merge 1246 const tag_oid = (try target_repo.readRef(io, .{ .kind = .tag, .name = "v30" })) orelse return error.NotFound; 1247 var moment = try target_repo.core.latestMoment(); 1248 const state = rp.Repo(.xit, .{}).State(.read_only){ .core = &target_repo.core, .extra = .{ .moment = &moment } }; 1249 var tag = try obj.Object(.xit, .{}).init(state, io, allocator, &tag_oid); 1250 defer tag.deinit(); 1251 base_oid = switch (tag.content) { 1252 .tag => |value| value.target, 1253 else => return error.InvalidObject, 1254 }; 1255 } 1256 var contents: [3][]const u8 = undefined; 1257 const file_path: []const u8, const count: usize = if (patch.alpha_edit) |edit| blk: { 1258 // rev 29 first changes line 4; edit that line or the one above it 1259 contents[0] = try scatterContent(aa, 0, 28, edit); 1260 break :blk .{ "src/alpha.txt", 1 }; 1261 } else blk: { 1262 var writer = std.Io.Writer.Allocating.init(allocator); 1263 defer writer.deinit(); 1264 for (&contents, 0..) |*content, part| { 1265 try writer.writer.print("{s}: part {d}\n", .{ patch.title, part + 1 }); 1266 content.* = try aa.dupe(u8, writer.written()); 1267 } 1268 break :blk .{ "patch.txt", contents.len }; 1269 }; 1270 try seedPatchRevision(io, allocator, users_dir, user_id, &patch_ids[i], patch.title, patch_author, timestamp + 1, random, base_oid, file_path, contents[0..count]); 1271 } 1272 const status = patch.status orelse continue; 1273 try pch.publish(.{}, io, allocator, users_dir, admin_repo, target_repo, .{ 1274 .id = patch_hex, 1275 .user_id = user_id.*, 1276 .repo_id = repo_id.*, 1277 .author = patch_author, 1278 .timestamp = timestamp + 6, 1279 }); 1280 1281 if (status == .merged) { 1282 try pch.mergeAndRemoveFork(.{}, io, allocator, users_dir, target_repo, .{ 1283 .id = patch_hex, 1284 .revision = .source, 1285 .author = patch_author, 1286 .timestamp = timestamp + 7, 1287 }); 1288 } else if (status != .open) { 1289 try evt.Patch.update(.{ .server = .{ .users_dir = users_dir } }, .xit, .{}, io, allocator, target_repo, &patch_ids[i], .{ .status = status }, patch_author); 1290 } 1291 } 1292 1293 // seed a small comment tree on the newest patch 1294 var comment_ids: [5][evt.event_id_size]u8 = undefined; 1295 for (&comment_ids) |*id| id.* = evt.EventWithId.randomId(random); 1296 const comment_bodies = [_][]const u8{ 1297 "This also needs to preserve the executable bit for files nested inside generated directories.", 1298 "I tested the archive path and the direct-copy path; both currently lose the mode.", 1299 "The archive writer is the right place to centralize it, since every exporter already goes through that layer.", 1300 "Please include a regression fixture with a mix of executable and ordinary files.", 1301 "I'll add that fixture and cover both supported archive formats.", 1302 }; 1303 var comments: [comment_ids.len]evt.EventWithId = undefined; 1304 for (&comments, 0..) |*comment, i| { 1305 comment.* = .{ 1306 .id = std.fmt.bytesToHex(comment_ids[i], .lower), 1307 .timestamp = @intCast(700 + i), 1308 .author = .{ .name = if (i % 2 == 0) "alice" else "bobby", .email = if (i % 2 == 0) "alice@example.test" else "bobby@example.test" }, 1309 .event = .{ .comment = .{ 1310 .thread_id = std.fmt.bytesToHex(patch_ids[patch_ids.len - 1], .lower), 1311 .parent_id = switch (i) { 1312 0, 1 => std.fmt.bytesToHex(patch_ids[patch_ids.len - 1], .lower), 1313 2, 4 => std.fmt.bytesToHex(comment_ids[0], .lower), 1314 3 => std.fmt.bytesToHex(comment_ids[2], .lower), 1315 else => unreachable, 1316 }, 1317 .body = comment_bodies[i], 1318 } }, 1319 }; 1320 } 1321 try evt.consume(.{ .server = .{ .users_dir = users_dir } }, .repo, .xit, .{}, io, allocator, target_repo, evt.events_ref, &comments); 1322 1323 // create divergent metadata edits on the next three patches 1324 var patch_arena = std.heap.ArenaAllocator.init(allocator); 1325 defer patch_arena.deinit(); 1326 const moment = try evt.currentMoment(.{}, target_repo); 1327 var values: [3]evt.Patch = undefined; 1328 for (1..4) |i| { 1329 const record = (try evt.Patch.readById(evt.EventDB(.sha1), .sha1, moment, &patch_arena, &patch_ids[i])) orelse return error.NotFound; 1330 values[i - 1] = record.event; 1331 } 1332 var ours_values = values; 1333 ours_values[0].title = "Drop the legacy configuration loader"; 1334 ours_values[0].labels = "cleanup config breaking"; 1335 const closed_description = try longDescription( 1336 patch_arena.allocator(), 1337 "Cache parsed manifests for the lifetime of a command invocation and invalidate entries when their files change.", 1338 ); 1339 ours_values[1].description = closed_description; 1340 ours_values[2].description = "Add JSON output to inspect with versioned field names and deterministic object ordering."; 1341 var theirs_values = values; 1342 theirs_values[0].title = "Delete compatibility configuration support"; 1343 theirs_values[0].labels = "config maintenance"; 1344 theirs_values[1].description = "Keep a process-wide manifest cache shared by every command and refresh it after writes."; 1345 theirs_values[2].description = "Expose inspect results as newline-delimited JSON so callers can stream large repositories."; 1346 1347 const seed_tip = (try target_repo.readRef(io, evt.events_ref)) orelse return error.NotFound; 1348 const other_ref = xit.ref.Ref{ .kind = .head, .name = "haxy/patch-other" }; 1349 var ours = [_]evt.EventWithId{ 1350 .{ 1351 .id = std.fmt.bytesToHex(patch_ids[1], .lower), 1352 .timestamp = 800, 1353 .author = .{ .name = "alice", .email = "alice@example.test" }, 1354 .event = .{ .patch = ours_values[0] }, 1355 }, 1356 .{ 1357 .id = std.fmt.bytesToHex(patch_ids[2], .lower), 1358 .timestamp = 801, 1359 .author = .{ .name = "alice", .email = "alice@example.test" }, 1360 .event = .{ .patch = ours_values[1] }, 1361 }, 1362 .{ 1363 .id = std.fmt.bytesToHex(patch_ids[3], .lower), 1364 .timestamp = 802, 1365 .author = .{ .name = "alice", .email = "alice@example.test" }, 1366 .event = .{ .patch = ours_values[2] }, 1367 }, 1368 }; 1369 1370 var theirs = ours; 1371 theirs[0].timestamp = 810; 1372 theirs[0].author = .{ .name = "bobby", .email = "bobby@example.test" }; 1373 theirs[0].event.patch = theirs_values[0]; 1374 theirs[1].timestamp = 811; 1375 theirs[1].author = .{ .name = "bobby", .email = "bobby@example.test" }; 1376 theirs[1].event.patch = theirs_values[1]; 1377 theirs[2].timestamp = 812; 1378 theirs[2].author = .{ .name = "bobby", .email = "bobby@example.test" }; 1379 theirs[2].event.patch = theirs_values[2]; 1380 1381 try evt.consume(.{ .server = .{ .users_dir = users_dir } }, .repo, .xit, .{}, io, allocator, target_repo, evt.events_ref, &ours); 1382 try commitEventsAtRef(io, allocator, target_repo, other_ref, &theirs, seed_tip); 1383 { 1384 var merge = try target_repo.mergeAtRef(io, allocator, .{ .kind = .full, .action = .{ .new = .{ .source = &.{.{ .ref = other_ref }} } } }, evt.events_ref, null); 1385 defer merge.deinit(); 1386 if (merge.result != .success) return error.MergeFailed; 1387 } 1388 try target_repo.removeBranch(io, .{ .name = other_ref.name }); 1389 try evt.consume(.{ .server = .{ .users_dir = users_dir } }, .repo, .xit, .{}, io, allocator, target_repo, evt.events_ref, &.{}); 1390 try pch.writeBranchPatch(.{ .server = .{ .users_dir = users_dir } }, .xit, .{}, io, allocator, target_repo, std.fmt.bytesToHex(evt.EventWithId.randomId(random), .lower), .{ 1391 .title = "Merge the existing feature branch", 1392 .description = "This patch tracks the feature branch in this repo without creating a fork.", 1393 .labels = "feature", 1394 .source_branch = "feature", 1395 .target_branch = "master", 1396 }, null, patch_author); 1397 1398 // a push onto the branch that patch tracks, so the undo tab shows the 1399 // action and the patch refresh it sets off 1400 try seedPush(io, allocator, target_repo, users_dir, patch_author); 1401 try pch.refreshBranches(.{ .server = .{ .users_dir = users_dir } }, .xit, .{}, io, allocator, target_repo, null, null); 1402 } 1403 1404 // stand in for a client push, which the fixture has no server to receive: one 1405 // transaction moves the branch, refreshes the patches tracking it and records 1406 // the action, the way receive-pack does 1407 fn seedPush(io: std.Io, allocator: std.mem.Allocator, repo: *rp.Repo(.xit, .{}), users_dir: []const u8, author: evt.CommitAuthor) !void { 1408 const Repo = rp.Repo(.xit, .{}); 1409 const DB = Repo.DB; 1410 const Ctx = struct { 1411 core: *Repo.Core, 1412 io: std.Io, 1413 allocator: std.mem.Allocator, 1414 users_dir: []const u8, 1415 author: evt.CommitAuthor, 1416 1417 pub fn run(ctx: @This(), cursor: *DB.Cursor(.read_write)) !void { 1418 const opts: rp.RepoOpts(.xit) = .{}; 1419 var moment = try DB.HashMap(.read_write).init(cursor.*); 1420 const state = Repo.State(.read_write){ .core = ctx.core, .extra = .{ .moment = &moment } }; 1421 var arena = std.heap.ArenaAllocator.init(ctx.allocator); 1422 defer arena.deinit(); 1423 const aa = arena.allocator(); 1424 1425 // a null tree keeps the parent's content, so the branch advances 1426 // without the fixture having to build one 1427 const author_line = try std.fmt.allocPrint(aa, "{s} <{s}>", .{ ctx.author.name, ctx.author.email }); 1428 const feature_old = (try rf.readRecur(.xit, opts, state.readOnly(), ctx.io, .{ .ref = .{ .kind = .head, .name = "feature" } })) orelse return error.NotFound; 1429 const feature_new = try obj.writeCommit(.xit, opts, state, ctx.io, ctx.allocator, .{ 1430 .message = "Revise the feature branch", 1431 .author = author_line, 1432 .timestamp = 820, 1433 }, null, .{ .kind = .head, .name = "feature" }); 1434 1435 // a branch the push creates has no old tip, so its range is open 1436 try bch.add(.xit, opts, state, ctx.io, .{ .name = "docs" }); 1437 const docs_new = (try rf.readRecur(.xit, opts, state.readOnly(), ctx.io, .{ .ref = .{ .kind = .head, .name = "docs" } })) orelse return error.NotFound; 1438 1439 const updates = [_]xit.net_server_receive_pack.AppliedRefUpdate{ 1440 .{ 1441 .ref_name = try aa.dupe(u8, "refs/heads/feature"), 1442 .old_oid = try aa.dupe(u8, &feature_old), 1443 .new_oid = try aa.dupe(u8, &feature_new), 1444 }, 1445 .{ 1446 .ref_name = try aa.dupe(u8, "refs/heads/docs"), 1447 .old_oid = try aa.dupe(u8, "0" ** hash.hexLen(opts.hash)), 1448 .new_oid = try aa.dupe(u8, &docs_new), 1449 }, 1450 }; 1451 1452 _ = try pch.refreshBranchesInTransaction(.{ .server = .{ .users_dir = ctx.users_dir } }, opts, state, &moment, ctx.io, ctx.allocator, &updates, null, null); 1453 try push.writeUndo(opts, state, ctx.io, ctx.allocator, ctx.author, &updates); 1454 } 1455 }; 1456 1457 try transaction(io, repo, Ctx{ .core = &repo.core, .io = io, .allocator = allocator, .users_dir = users_dir, .author = author }); 1458 } 1459 1460 // commit `events` onto `ref`, rooted at `parent`, as one transaction. 1461 // consume always roots a new branch at nothing, so the divergent fixtures 1462 // write their side branch here instead. nothing is consumed, so it records 1463 // xit's own commit action rather than one of haxy's event actions 1464 fn commitEventsAtRef( 1465 io: std.Io, 1466 allocator: std.mem.Allocator, 1467 repo: *rp.Repo(.xit, .{}), 1468 ref: xit.ref.Ref, 1469 events: []const evt.EventWithId, 1470 parent: [hash.hexLen(.sha1)]u8, 1471 ) !void { 1472 const Repo = rp.Repo(.xit, .{}); 1473 const DB = Repo.DB; 1474 const Ctx = struct { 1475 core: *Repo.Core, 1476 io: std.Io, 1477 allocator: std.mem.Allocator, 1478 ref: xit.ref.Ref, 1479 events: []const evt.EventWithId, 1480 parent: [hash.hexLen(.sha1)]u8, 1481 1482 pub fn run(ctx: @This(), cursor: *DB.Cursor(.read_write)) !void { 1483 const opts: rp.RepoOpts(.xit) = .{}; 1484 var moment = try DB.HashMap(.read_write).init(cursor.*); 1485 const state = Repo.State(.read_write){ .core = ctx.core, .extra = .{ .moment = &moment } }; 1486 try evt.commitEvents(.xit, opts, state, ctx.io, ctx.allocator, ctx.ref, ctx.events, .{ctx.parent}); 1487 const tip = (try xit.ref.readRecur(.xit, opts, state.readOnly(), ctx.io, .{ .ref = ctx.ref })) orelse return error.NotFound; 1488 try xit.undo.write(opts, state, std.Io.Timestamp.now(ctx.io, .real).toSeconds(), .{ 1489 .commit = try .init("seed conflicting events", tip, opts.max_read_size), 1490 }); 1491 } 1492 }; 1493 1494 try transaction(io, repo, Ctx{ 1495 .core = &repo.core, 1496 .io = io, 1497 .allocator = allocator, 1498 .ref = ref, 1499 .events = events, 1500 .parent = parent, 1501 }); 1502 } 1503 1504 // append `ctx` to the repo's history as one transaction. the fixtures write a 1505 // few states the normal paths have no way to produce 1506 // fixtures commit directly, so the ref tips are indexed by hand. a fork gets 1507 // no commit index, as in production. 1508 const Reindex = struct { 1509 io: std.Io, 1510 allocator: std.mem.Allocator, 1511 core: *rp.Repo(.xit, .{}).Core, 1512 commits: bool, 1513 1514 pub fn run(ctx: @This(), cursor: *rp.Repo(.xit, .{}).DB.Cursor(.read_write)) !void { 1515 var moment = try rp.Repo(.xit, .{}).DB.HashMap(.read_write).init(cursor.*); 1516 const state = rp.Repo(.xit, .{}).State(.read_write){ .core = ctx.core, .extra = .{ .moment = &moment } }; 1517 _ = try find.refreshInTransaction(.{}, state, &moment, ctx.io, ctx.allocator, null); 1518 if (ctx.commits) _ = try srch_cmmt.refreshInTransaction(.{}, state, &moment, ctx.io, ctx.allocator, &.{}, null); 1519 } 1520 }; 1521 1522 fn transaction(io: std.Io, repo: *rp.Repo(.xit, .{}), ctx: anytype) !void { 1523 const DB = rp.Repo(.xit, .{}).DB; 1524 try repo.core.db_file.lock(io, .exclusive); 1525 defer repo.core.db_file.unlock(io); 1526 1527 const history = try DB.ArrayList(.read_write).init(repo.core.db.rootCursor()); 1528 try history.appendContext(.{ .slot = try history.getSlot(-1) }, ctx); 1529 } 1530 1531 // recursively copy the contents of src_dir into dest_dir 1532 fn copyDir(io: std.Io, src_dir: std.Io.Dir, dest_dir: std.Io.Dir) !void { 1533 var iter = src_dir.iterate(); 1534 while (try iter.next(io)) |entry| { 1535 switch (entry.kind) { 1536 .file => try src_dir.copyFile(entry.name, dest_dir, entry.name, io, .{}), 1537 .directory => { 1538 try dest_dir.createDirPath(io, entry.name); 1539 var dest_entry_dir = try dest_dir.openDir(io, entry.name, .{ .access_sub_paths = true, .iterate = true, .follow_symlinks = false }); 1540 defer dest_entry_dir.close(io); 1541 var src_entry_dir = try src_dir.openDir(io, entry.name, .{ .access_sub_paths = true, .iterate = true, .follow_symlinks = false }); 1542 defer src_entry_dir.close(io); 1543 try copyDir(io, src_entry_dir, dest_entry_dir); 1544 }, 1545 else => {}, 1546 } 1547 } 1548 } 1549