╭─────────────╮ │scroll to top│ ╰─────────────╯ ╭ try.zig ──────────────────────────────────────────────────────╮ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ ╰───────────────────────────────────────────────────────────────╯
╭────╮ ╭ clone ─ ─ ─ ─ ─ ─ ─ ─ ─ ─ ─ ─ ─ ─ ╮ │http│ ssh │ │ ╰────╯ ╰ ─ ─ ─ ─ ─ ─ ─ ─ ─ ─ ─ ─ ─ ─ ─ ─ ─ ╯
723 0, 1 => issue_events[issue_events.len - 1].id, 724 2, 4 => std.fmt.bytesToHex(comment_ids[0], .lower), 725 3 => std.fmt.bytesToHex(comment_ids[2], .lower), 726 else => unreachable, 727 }, 728 .body = comment_bodies[i], 729 } }, 730 }; 731 } 732 try evt.consume(.local, .repo, .xit, .{}, io, allocator, &template_repo, evt.events_ref, &comment_events); 733 734 const discussion_data = [_]struct { 735 title: []const u8, 736 description: []const u8, 737 tags: []const u8, 738 }{ 739 .{ 740 .title = "How should plugins declare capabilities?", 741 .description = "I'd like the manifest to make privileged capabilities explicit without making simple plugins verbose.", 742 .tags = "plugins design", 743 }, 744 .{ 745 .title = "Ideas for making large repositories faster", 746 .description = "This is a place to collect profiling results and discuss which indexing work is worth pursuing first.", 747 .tags = "performance indexing", 748 }, 749 .{ 750 .title = "What should the next release focus on?", 751 .description = "Let's compare the most important reliability fixes with the larger features already in progress.", 752 .tags = "release planning", 753 }, 754 .{ 755 .title = "Improving keyboard navigation", 756 .description = "Share workflows that still require a mouse and suggestions for making their focus behavior predictable.", 757 .tags = "ui keyboard accessibility", 758 }, 759 .{ 760 .title = "Configuration format discussion", 761 .description = "Should the next configuration format favor strict validation or accept common conveniences such as trailing commas?", 762 .tags = "config design", 763 }, 764 }; 765 766 var discussion_events: [discussion_data.len]evt.EventWithId = undefined; 767 for (discussion_data, 0..) |discussion, i| { 768 discussion_events[i] = .{ 769 .id = std.fmt.bytesToHex(evt.EventWithId.randomId(prng.random()), .lower), 770 .timestamp = @intCast(300 + i), 771 .author = .{ .name = user_data[i % user_data.len].name, .email = user_data[i % user_data.len].email }, 772 .event = .{ .discuss = .{ 773 .title = discussion.title, 774 .description = discussion.description, 775 .tags = discussion.tags, 776 } }, 777 }; 778 } 779 try evt.consume(.local, .repo, .xit, .{}, io, allocator, &template_repo, evt.events_ref, &discussion_events); 780 781 var discussion_comment_ids: [discussion_data.len][3][evt.event_id_size]u8 = undefined; 782 for (&discussion_comment_ids) |*ids| { 783 for (ids) |*id| id.* = evt.EventWithId.randomId(prng.random()); 784 } 785 var discussion_comment_events: [discussion_data.len * 3]evt.EventWithId = undefined; 786 for (&discussion_comment_events, 0..) |*event, i| { 787 const discussion_index = i / 3; 788 const comment_index = i % 3; 789 event.* = .{ 790 .id = std.fmt.bytesToHex(discussion_comment_ids[discussion_index][comment_index], .lower), 791 .timestamp = @intCast(400 + i), 792 .author = .{ .name = user_data[(i + 1) % user_data.len].name, .email = user_data[(i + 1) % user_data.len].email }, 793 .event = .{ .comment = .{ 794 .thread_id = discussion_events[discussion_index].id, 795 .parent_id = if (comment_index < 2) 796 discussion_events[discussion_index].id 797 else 798 std.fmt.bytesToHex(discussion_comment_ids[discussion_index][0], .lower), 799 .body = switch (comment_index) { 800 0 => "My preference is to start with the smallest useful version and expand it after we have real usage to learn from.", 801 1 => "It would help to write down the tradeoffs we are accepting so the decision is easy to revisit later.", 802 2 => "Agreed. A narrow first version should also make it easier to keep the implementation understandable.", 803 else => unreachable, 804 }, 805 } }, 806 }; 807 } 808 try evt.consume(.local, .repo, .xit, .{}, io, allocator, &template_repo, evt.events_ref, &discussion_comment_events); 809 try template_repo.patchAll(io, allocator, null); 810 try template_repo.addConfig(io, allocator, .{ .name = "core.bare", .value = "true" }); 811 // fixtures commit directly, so index the ref tips by hand 812 try find.refresh(.{}, io, allocator, &template_repo); 813 try cms.refresh(.{}, io, allocator, &template_repo, null); 814 // clear history only after indexing has written its transactions. 815 { 816 const moment = try evt.currentMoment(.{}, &template_repo); 817 const roots = try evt.PatchRev.gcRoots(rp.Repo(.xit, .{}).DB, .sha1, allocator, moment); 818 defer allocator.free(roots); 819 _ = try template_repo.garbageCollect(io, allocator, .{ .extra_roots = roots }); 820 } 821 } 822 823 // copy the template to each repo's on-disk location, named by its 824 // hex-encoded event id. the template repo is deinitialized above, so its 825 // db file is fully written before we copy it. 826 { 827 var template_dir = try cwd.openDir(io, template_path, .{}); 828 defer template_dir.close(io); 829 var template_repo_dir = try template_dir.openDir(io, ".xit", .{ .iterate = true }); 830 defer template_repo_dir.close(io); 831 832 for (repo_event_ids, 0..) |id_bytes, repo_index| { 833 const repo_id = std.fmt.bytesToHex(id_bytes, .lower); 834 const repo_path = try std.fs.path.join(arena.allocator(), &.{ server_path, "repos", &repo_id }); 835 { 836 var dest_dir = try cwd.createDirPathOpen(io, repo_path, .{}); 837 defer dest_dir.close(io); 838 var dest_repo_dir = try dest_dir.createDirPathOpen(io, ".xit", .{}); 839 defer dest_repo_dir.close(io); 840 try copyDir(io, template_repo_dir, dest_repo_dir); 841 } 842 843 if (repo_index + 1 == repo_data.len) { 844 var target_repo = try rp.Repo(.xit, .{}).open(io, allocator, .{ .path = repo_path, .require_repo_root = true }); 845 defer target_repo.deinit(io, allocator); 846 try seedPatches(io, allocator, server_path, &repo, &target_repo, &repo_event_ids[repo_index], &admin_user_id, prng.random()); 847 } 848 } 849 } 850 851 break :blk try ui.Session.init(&session_arena, &repo, .{ .user_id = &admin_user_id }); 852 }; 853 session.is_terminal = true; 854 session.data.git_ssh_prefix = git_ssh_prefix; 855 856 // start the server 857 858 // let the native TUI's page builders open the on-disk repos for the file tree 859 session.io = io; 860 session.repos_dir = try std.fs.path.join(session_arena.allocator(), &.{ server_path, "repos" }); 861 862 // leave a one-shot session for the first browser to hit the web ui, so it 863 // starts logged in as admin 864 { 865 var data_dir = try cwd.createDirPathOpen(io, server_path, .{}); 866 defer data_dir.close(io); 867 const store = try hx.web.SessionStore.init(io, data_dir); 868 defer store.deinit(); 869 const token = try store.create(&admin_user_id); 870 try store.offerAutoLogin(&token); 871 } 872 873 if (cli) { 874 var stdout_writer = std.Io.File.stdout().writer(io, &.{}); 875 var stderr_writer = std.Io.File.stderr().writer(io, &.{}); 876 const run_opts = hx.main.RunOpts{ .out = &stdout_writer.interface, .err = &stderr_writer.interface }; 877 878 const Runnable = struct { 879 io: std.Io, 880 key_path: []const u8, 881 882 pub fn run(self: @This(), web_port: u16, http_port: ?u16, ssh_port_maybe: ?u16) !void { 883 _ = web_port; 884 _ = http_port; 885 const ssh_port = ssh_port_maybe orelse return error.SshDisabled; 886 std.debug.print( 887 \\ 888 \\connect to the TUI with: 889 \\ ssh -p {d} -o StrictHostKeyChecking=no -o UserKnownHostsFile=/dev/null localhost 890 \\ 891 \\create a git repo and push over SSH: 892 \\ mkdir -p temp-try/client/test 893 \\ cd temp-try/client/test 894 \\ git init 895 \\ echo "hello" > hello.txt 896 \\ git add hello.txt 897 \\ git commit -m "let there be light" 898 \\ 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 899 \\ 900 \\to quit, press enter. 901 \\ 902 , .{ ssh_port, ssh_port, self.key_path }); 903 // portable stdin read via std.Io — equivalent to the 904 // std.posix.read(STDIN_FILENO, ...) that doesn't compile 905 // on windows. 906 var buf: [1]u8 = undefined; 907 var stdin_reader = std.Io.File.stdin().reader(self.io, &buf); 908 _ = stdin_reader.interface.takeByte() catch {}; 909 } 910 }; 911 912 try srv.run(.xit, .{}, io, allocator, cwd_path, serve_options, run_opts.err, Runnable{ .io = io, .key_path = key_path }); 913 } else { 914 var null_writer = std.Io.Writer.Discarding.init(&.{}); 915 const run_opts = hx.main.RunOpts{ .out = &null_writer.writer, .err = &null_writer.writer }; 916 917 const Runnable = struct { 918 io: std.Io, 919 allocator: std.mem.Allocator, 920 session: *ui.Session, 921 repo: *Repo, 922 923 pub fn run(self: @This(), web_port: u16, http_port: ?u16, ssh_port: ?u16) !void { 924 // launch the TUI; the footer points at whatever port was bound 925 self.session.web_port = web_port; 926 self.session.data.git_http_port = http_port; 927 self.session.data.git_ssh_port = ssh_port; 928 try hx.ui.run(self.io, self.allocator, self.session, self.repo); 929 } 930 }; 931 932 try srv.run(.xit, .{}, io, allocator, cwd_path, serve_options, run_opts.err, Runnable{ .io = io, .allocator = allocator, .session = &session, .repo = &repo }); 933 } 934 } 935 936 // words cycled through to pad generated lines into prose-like content 937 const scatter_words = [_][]const u8{ 938 "lorem", "ipsum", "dolor", "sit", "amet", "consectetur", 939 "quantum", "vector", "matrix", "buffer", "kernel", "socket", 940 "falcon", "otter", "badger", "walrus", "ferret", "marmot", 941 "scatter", "gather", "encode", "decode", "render", "commit", 942 }; 943 944 fn longDescription(allocator: std.mem.Allocator, initial: []const u8) ![]u8 { 945 var writer = std.Io.Writer.Allocating.init(allocator); 946 defer writer.deinit(); 947 try writer.writer.print("{s}", .{initial}); 948 for (0..ui.detail_preview_lines) |line| 949 try writer.writer.print("\n{d} {s}", .{ line, scatter_words[line % scatter_words.len] }); 950 return writer.toOwnedSlice(); 951 } 952 953 // write `path` as 40 lines of mostly-stable filler. revision `c` and file 954 // index `fi` shift which lines change and the words used, so each (c, fi) 955 // yields a distinct multi-hunk diff against the previous revision. untouched 956 // lines stay byte-identical across revisions, so a bump in `c` is a scatter of 957 // small hunks rather than a full rewrite. 958 fn writeScatterFile(io: std.Io, allocator: std.mem.Allocator, repo_dir: std.Io.Dir, path: []const u8, fi: usize, c: usize) !void { 959 const content = try scatterContent(allocator, fi, c, null); 960 defer allocator.free(content); 961 const file = try repo_dir.createFile(io, path, .{}); 962 defer file.close(io); 963 try file.writeStreamingAll(io, content); 964 } 965 966 const ScatterEdit = struct { line: usize, text: []const u8 }; 967 968 fn scatterContent(allocator: std.mem.Allocator, fi: usize, c: usize, replacement: ?ScatterEdit) ![]u8 { 969 var writer = std.Io.Writer.Allocating.init(allocator); 970 defer writer.deinit(); 971 for (0..40) |line| { 972 if (replacement) |edit| if (line == edit.line) { 973 try writer.writer.print("{s}\n", .{edit.text}); 974 continue; 975 }; 976 const start = writer.written().len; 977 if ((line + fi + c) % 8 == 0) { 978 const tag = scatter_words[(line + fi + c * 3) % scatter_words.len]; 979 try writer.writer.print("rev {d} {s}", .{ c, tag }); 980 } 981 const target = 40 + (line * 17 + fi * 23) % 70; 982 var w = line + fi; 983 while (true) : (w += 1) { 984 const word = scatter_words[w % scatter_words.len]; 985 const len = writer.written().len - start; 986 if (len >= target or len + 1 + word.len > 120) break; 987 if (len == 0) 988 try writer.writer.print("{s}", .{word}) 989 else 990 try writer.writer.print(" {s}", .{word}); 991 } 992 try writer.writer.writeByte('\n'); 993 } 994 return writer.toOwnedSlice(); 995 } 996 997 // tag the current HEAD as the next sequential version: v1, v2, and so on 998 fn addNextTag(repo: *rp.Repo(.xit, .{}), io: std.Io, allocator: std.mem.Allocator, n: *usize) !void { 999 var buf: [16]u8 = undefined; 1000 const name = try std.fmt.bufPrint(&buf, "v{d}", .{n.*}); 1001 _ = try repo.addTag(io, allocator, .{ .name = name }); 1002 n.* += 1; 1003 } 1004 1005 fn commitTree( 1006 io: std.Io, 1007 allocator: std.mem.Allocator, 1008 repo: *rp.Repo(.xit, .{}), 1009 oid: *const [hash.hexLen(.sha1)]u8, 1010 ) ![hash.hexLen(.sha1)]u8 { 1011 var moment = try repo.core.latestMoment(); 1012 const state = rp.Repo(.xit, .{}).State(.read_only){ .core = &repo.core, .extra = .{ .moment = &moment } }; 1013 var object = try obj.Object(.xit, .{}).init(state, io, allocator, oid); 1014 defer object.deinit(); 1015 return switch (object.content) { 1016 .commit => |commit| commit.tree, 1017 else => error.InvalidObject, 1018 }; 1019 } 1020 1021 fn seedPatchRevision( 1022 io: std.Io, 1023 allocator: std.mem.Allocator, 1024 repos_path: []const u8, 1025 patch_id: *const [evt.event_id_size]u8, 1026 title: []const u8, 1027 author: evt.CommitAuthor, 1028 timestamp: u64, 1029 random: std.Random, 1030 base_oid: [hash.hexLen(.sha1)]u8, 1031 path: []const u8, 1032 contents: []const []const u8, 1033 ) !void { 1034 const patch_hex = std.fmt.bytesToHex(patch_id.*, .lower); 1035 const fork_path = try fork.forkPath(allocator, repos_path, &patch_hex); 1036 defer allocator.free(fork_path); 1037 var fork_repo = try rp.Repo(.xit, .{}).open(io, allocator, .{ .path = fork_path, .require_repo_root = true }); 1038 defer fork_repo.deinit(io, allocator); 1039 1040 try fork_repo.addConfig(io, allocator, .{ .name = "core.bare", .value = "false" }); 1041 { 1042 var reset = try fork_repo.reset(io, allocator, .{ .target = .{ .oid = &base_oid } }); 1043 defer reset.deinit(); 1044 } 1045 const base_tree_oid = try commitTree(io, allocator, &fork_repo, &base_oid); 1046 var source_oid = base_oid; 1047 var fork_dir = try std.Io.Dir.cwd().openDir(io, fork_path, .{}); 1048 defer fork_dir.close(io); 1049 var writer = std.Io.Writer.Allocating.init(allocator); 1050 defer writer.deinit(); 1051 if (std.fs.path.dirname(path)) |dir| try fork_dir.createDirPath(io, dir); 1052 for (contents, 0..) |content, i| { 1053 { 1054 const file = try fork_dir.createFile(io, path, .{}); 1055 defer file.close(io); 1056 try file.writeStreamingAll(io, content); 1057 } 1058 try fork_repo.add(io, allocator, &.{path}); 1059 writer.clearRetainingCapacity(); 1060 try writer.writer.print("{s} ({d}/{d})", .{ title, i + 1, contents.len }); 1061 source_oid = try fork_repo.commit(io, allocator, .{ .message = writer.written(), .timestamp = timestamp + i }); 1062 } 1063 try fork_repo.patchAll(io, allocator, null); 1064 try fork_repo.addConfig(io, allocator, .{ .name = "core.bare", .value = "true" }); 1065 // the commits above skipped the push path, so index the patch branch by hand 1066 try find.refresh(.{}, io, allocator, &fork_repo); 1067 _ = try fork_repo.garbageCollect(io, allocator, .{}); 1068 try fork_dir.deleteFile(io, path); 1069 const revision_id = evt.EventWithId.randomId(random); 1070 const head_tree_oid = try commitTree(io, allocator, &fork_repo, &source_oid); 1071 const revision: evt.PatchRev = .{ 1072 .base_oid = &base_oid, 1073 .source_oid = &source_oid, 1074 .message = title, 1075 }; 1076 const revision_timestamp = timestamp + 3; 1077 const tree_entries = [_]evt.EventTreeEntry{ 1078 .{ .tree = .{ .name = "base", .oid = &base_tree_oid } }, 1079 .{ .tree = .{ .name = "head", .oid = &head_tree_oid } }, 1080 }; 1081 try evt.consume(.server, .fork, .xit, .{}, io, allocator, &fork_repo, evt.events_ref, &.{.{ 1082 .id = std.fmt.bytesToHex(revision_id, .lower), 1083 .timestamp = revision_timestamp, 1084 .author = author, 1085 .tree_entries = &tree_entries, 1086 .event = .{ .patchrev = revision }, 1087 }}); 1088 1089 var arena = std.heap.ArenaAllocator.init(allocator); 1090 defer arena.deinit(); 1091 const moment = try evt.currentMoment(.{}, &fork_repo); 1092 const revision_record = (try evt.PatchRev.readById(evt.EventDB(.sha1), .sha1, moment, &arena, &revision_id)) orelse return error.NotFound; 1093 const patch_record = (try evt.Patch.readById(evt.EventDB(.sha1), .sha1, moment, &arena, patch_id)) orelse return error.NotFound; 1094 var patch = patch_record.event; 1095 patch.revision = evt.Patch.Revision.fromRecord(revision_id, revision_record); 1096 try evt.consume(.server, .fork, .xit, .{}, io, allocator, &fork_repo, evt.events_ref, &.{.{ 1097 .id = patch_hex, 1098 .timestamp = revision_timestamp + 1, 1099 .author = author, 1100 .event = .{ .patch = patch }, 1101 }}); 1102 } 1103 1104 fn seedPatches( 1105 io: std.Io, 1106 allocator: std.mem.Allocator, 1107 server_path: []const u8, 1108 admin_repo: *rp.Repo(.xit, evt.admin_repo_opts), 1109 target_repo: *rp.Repo(.xit, .{}), 1110 repo_id: *const [evt.event_id_size]u8, 1111 user_id: *const [evt.event_id_size]u8, 1112 random: std.Random, 1113 ) !void { 1114 const patch_data = [_]struct { 1115 title: []const u8, 1116 description: []const u8, 1117 tags: []const u8, 1118 status: ?evt.Patch.StatusKind, 1119 alpha_edit: ?ScatterEdit = null, 1120 }{ 1121 .{ 1122 .title = "Draft a faster dependency scanner", 1123 .description = "Rework dependency discovery so a large workspace can be scanned without repeatedly opening the same manifests.", 1124 .tags = "performance build", 1125 .status = null, 1126 }, 1127 .{ 1128 .title = "Remove the legacy configuration loader", 1129 .description = "Delete the compatibility loader now that the replacement format has shipped and the migration warning has been available for a full release.", 1130 .tags = "cleanup config", 1131 .status = .merged, 1132 }, 1133 .{ 1134 .title = "Cache parsed manifests between commands", 1135 .description = "Keep parsed manifests in the command context so consecutive operations do not repeat identical filesystem and parsing work.", 1136 .tags = "performance cache", 1137 .status = .closed, 1138 }, 1139 .{ 1140 .title = "Add structured output to the inspect command", 1141 .description = "Add a stable JSON representation of inspect results for scripts and editor integrations.", 1142 .tags = "enhancement cli", 1143 .status = .open, 1144 }, 1145 .{ 1146 .title = "Edit an adjacent line in alpha.txt", 1147 .description = "This patch can be cleanly merged by haxy, while git throws a merge conflict!", 1148 .tags = "merge", 1149 .status = .open, 1150 .alpha_edit = .{ .line = 2, .text = "adjust alpha beside the latest scatter edit" }, 1151 }, 1152 .{ 1153 .title = "Edit a conflicting line in alpha.txt", 1154 .description = "Both source and squash merges conflict with a different edit to the same line on master.", 1155 .tags = "merge", 1156 .status = .open, 1157 .alpha_edit = .{ .line = 3, .text = "replace alpha with a conflicting edit" }, 1158 }, 1159 }; 1160 1161 const repos_path = try std.fs.path.join(allocator, &.{ server_path, "repos" }); 1162 defer allocator.free(repos_path); 1163 const patch_author = evt.CommitAuthor{ .name = "admin", .email = "admin@example.test" }; 1164 var patch_ids: [patch_data.len][evt.event_id_size]u8 = undefined; 1165 for (patch_data, 0..) |patch, i| { 1166 const timestamp: u64 = @intCast(500 + i * 10); 1167 patch_ids[i] = evt.EventWithId.randomId(random); 1168 const patch_hex = std.fmt.bytesToHex(patch_ids[i], .lower); 1169 const path = try fork.create(.{}, io, allocator, repos_path, admin_repo, .{ 1170 .id = patch_hex, 1171 .user_id = user_id.*, 1172 .repo_id = repo_id.*, 1173 .title = patch.title, 1174 .description = patch.description, 1175 .tags = patch.tags, 1176 .target_branch = "master", 1177 .author = patch_author, 1178 .timestamp = timestamp, 1179 }); 1180 allocator.free(path); 1181 1182 // prepare the patch's base and file contents, then seed its commits and revision 1183 { 1184 var arena = std.heap.ArenaAllocator.init(allocator); 1185 defer arena.deinit(); 1186 const aa = arena.allocator(); 1187 var base_oid = (try target_repo.readRef(io, .{ .kind = .head, .name = "master" })) orelse return error.NotFound; 1188 var contents: [3][]const u8 = undefined; 1189 const file_path: []const u8, const count: usize = if (patch.alpha_edit) |edit| blk: { 1190 // v30 precedes the last scatter commit, even after the sample merge 1191 const tag_oid = (try target_repo.readRef(io, .{ .kind = .tag, .name = "v30" })) orelse return error.NotFound; 1192 var moment = try target_repo.core.latestMoment(); 1193 const state = rp.Repo(.xit, .{}).State(.read_only){ .core = &target_repo.core, .extra = .{ .moment = &moment } }; 1194 var tag = try obj.Object(.xit, .{}).init(state, io, allocator, &tag_oid); 1195 defer tag.deinit(); 1196 base_oid = switch (tag.content) { 1197 .tag => |value| value.target, 1198 else => return error.InvalidObject, 1199 }; 1200 // rev 29 first changes line 4; edit that line or the one above it 1201 contents[0] = try scatterContent(aa, 0, 28, edit); 1202 break :blk .{ "src/alpha.txt", 1 }; 1203 } else blk: { 1204 var writer = std.Io.Writer.Allocating.init(allocator); 1205 defer writer.deinit(); 1206 for (&contents, 0..) |*content, part| { 1207 try writer.writer.print("{s}: part {d}\n", .{ patch.title, part + 1 }); 1208 content.* = try aa.dupe(u8, writer.written()); 1209 } 1210 break :blk .{ "patch.txt", contents.len }; 1211 }; 1212 try seedPatchRevision(io, allocator, repos_path, &patch_ids[i], patch.title, patch_author, timestamp + 1, random, base_oid, file_path, contents[0..count]); 1213 } 1214 const status = patch.status orelse continue; 1215 const fork_path = try fork.forkPath(allocator, repos_path, &patch_hex); 1216 defer allocator.free(fork_path); 1217 try pch.publish(.{}, io, allocator, admin_repo, target_repo, fork_path, .{ 1218 .id = patch_hex, 1219 .user_id = user_id.*, 1220 .repo_id = repo_id.*, 1221 .author = patch_author, 1222 .timestamp = timestamp + 6, 1223 }); 1224 1225 if (status == .merged) { 1226 try pch.mergeAndRemoveFork(.{}, io, allocator, repos_path, admin_repo, target_repo, .{ 1227 .id = patch_hex, 1228 .revision = .source, 1229 .author = patch_author, 1230 .timestamp = timestamp + 7, 1231 }); 1232 } else if (status != .open) { 1233 try evt.Patch.update(.server, .xit, .{}, io, allocator, target_repo, &patch_ids[i], .{ .status = status }, patch_author); 1234 } 1235 } 1236 1237 // seed a small comment tree on the newest patch 1238 var comment_ids: [5][evt.event_id_size]u8 = undefined; 1239 for (&comment_ids) |*id| id.* = evt.EventWithId.randomId(random); 1240 const comment_bodies = [_][]const u8{ 1241 "This also needs to preserve the executable bit for files nested inside generated directories.", 1242 "I tested the archive path and the direct-copy path; both currently lose the mode.", 1243 "The archive writer is the right place to centralize it, since every exporter already goes through that layer.", 1244 "Please include a regression fixture with a mix of executable and ordinary files.", 1245 "I'll add that fixture and cover both supported archive formats.", 1246 }; 1247 var comments: [comment_ids.len]evt.EventWithId = undefined; 1248 for (&comments, 0..) |*comment, i| { 1249 comment.* = .{ 1250 .id = std.fmt.bytesToHex(comment_ids[i], .lower), 1251 .timestamp = @intCast(700 + i), 1252 .author = .{ .name = if (i % 2 == 0) "alice" else "bob", .email = if (i % 2 == 0) "alice@example.test" else "bob@example.test" }, 1253 .event = .{ .comment = .{ 1254 .thread_id = std.fmt.bytesToHex(patch_ids[patch_ids.len - 1], .lower), 1255 .parent_id = switch (i) { 1256 0, 1 => std.fmt.bytesToHex(patch_ids[patch_ids.len - 1], .lower), 1257 2, 4 => std.fmt.bytesToHex(comment_ids[0], .lower), 1258 3 => std.fmt.bytesToHex(comment_ids[2], .lower), 1259 else => unreachable, 1260 }, 1261 .body = comment_bodies[i], 1262 } }, 1263 }; 1264 } 1265 try evt.consume(.server, .repo, .xit, .{}, io, allocator, target_repo, evt.events_ref, &comments); 1266 1267 // create divergent metadata edits on the next three patches 1268 var patch_arena = std.heap.ArenaAllocator.init(allocator); 1269 defer patch_arena.deinit(); 1270 const moment = try evt.currentMoment(.{}, target_repo); 1271 var values: [3]evt.Patch = undefined; 1272 for (1..4) |i| { 1273 const record = (try evt.Patch.readById(evt.EventDB(.sha1), .sha1, moment, &patch_arena, &patch_ids[i])) orelse return error.NotFound; 1274 values[i - 1] = record.event; 1275 } 1276 var ours_values = values; 1277 ours_values[0].title = "Drop the legacy configuration loader"; 1278 ours_values[0].tags = "cleanup config breaking"; 1279 const closed_description = try longDescription( 1280 patch_arena.allocator(), 1281 "Cache parsed manifests for the lifetime of a command invocation and invalidate entries when their files change.", 1282 ); 1283 ours_values[1].description = closed_description; 1284 ours_values[2].description = "Add JSON output to inspect with versioned field names and deterministic object ordering."; 1285 var theirs_values = values; 1286 theirs_values[0].title = "Delete compatibility configuration support"; 1287 theirs_values[0].tags = "config maintenance"; 1288 theirs_values[1].description = "Keep a process-wide manifest cache shared by every command and refresh it after writes."; 1289 theirs_values[2].description = "Expose inspect results as newline-delimited JSON so callers can stream large repositories."; 1290 1291 const seed_tip = (try target_repo.readRef(io, evt.events_ref)) orelse return error.NotFound; 1292 const other_ref = xit.ref.Ref{ .kind = .head, .name = "haxy/patch-other" }; 1293 var ours = [_]evt.EventWithId{ 1294 .{ 1295 .id = std.fmt.bytesToHex(patch_ids[1], .lower), 1296 .timestamp = 800, 1297 .author = .{ .name = "alice", .email = "alice@example.test" }, 1298 .event = .{ .patch = ours_values[0] }, 1299 }, 1300 .{ 1301 .id = std.fmt.bytesToHex(patch_ids[2], .lower), 1302 .timestamp = 801, 1303 .author = .{ .name = "alice", .email = "alice@example.test" }, 1304 .event = .{ .patch = ours_values[1] }, 1305 }, 1306 .{ 1307 .id = std.fmt.bytesToHex(patch_ids[3], .lower), 1308 .timestamp = 802, 1309 .author = .{ .name = "alice", .email = "alice@example.test" }, 1310 .event = .{ .patch = ours_values[2] }, 1311 }, 1312 }; 1313 1314 var theirs = ours; 1315 theirs[0].timestamp = 810; 1316 theirs[0].author = .{ .name = "bob", .email = "bob@example.test" }; 1317 theirs[0].event.patch = theirs_values[0]; 1318 theirs[1].timestamp = 811; 1319 theirs[1].author = .{ .name = "bob", .email = "bob@example.test" }; 1320 theirs[1].event.patch = theirs_values[1]; 1321 theirs[2].timestamp = 812; 1322 theirs[2].author = .{ .name = "bob", .email = "bob@example.test" }; 1323 theirs[2].event.patch = theirs_values[2]; 1324 1325 try evt.consume(.server, .repo, .xit, .{}, io, allocator, target_repo, evt.events_ref, &ours); 1326 try commitEventsAtRef(io, allocator, target_repo, other_ref, &theirs, seed_tip); 1327 { 1328 var merge = try target_repo.mergeAtRef(io, allocator, .{ .kind = .full, .action = .{ .new = .{ .source = &.{.{ .ref = other_ref }} } } }, evt.events_ref, null); 1329 defer merge.deinit(); 1330 if (merge.result != .success) return error.MergeFailed; 1331 } 1332 try target_repo.removeBranch(io, .{ .name = other_ref.name }); 1333 try evt.consume(.server, .repo, .xit, .{}, io, allocator, target_repo, evt.events_ref, &.{}); 1334 try pch.writeBranchPatch(.server, .xit, .{}, io, allocator, target_repo, std.fmt.bytesToHex(evt.EventWithId.randomId(random), .lower), .{ 1335 .title = "Merge the existing feature branch", 1336 .description = "This patch tracks the feature branch in this repo without creating a fork.", 1337 .tags = "feature", 1338 .source_branch = "feature", 1339 .target_branch = "master", 1340 }, null, patch_author); 1341 } 1342 1343 // commit `events` onto `ref`, rooted at `parent`, as one undoable step. 1344 // consume always roots a new branch at nothing, so the divergent fixtures 1345 // write their side branch here instead, recording the action consume would 1346 fn commitEventsAtRef( 1347 io: std.Io, 1348 allocator: std.mem.Allocator, 1349 repo: *rp.Repo(.xit, .{}), 1350 ref: xit.ref.Ref, 1351 events: []const evt.EventWithId, 1352 parent: [hash.hexLen(.sha1)]u8, 1353 ) !void { 1354 const Repo = rp.Repo(.xit, .{}); 1355 const DB = Repo.DB; 1356 const Ctx = struct { 1357 core: *Repo.Core, 1358 io: std.Io, 1359 allocator: std.mem.Allocator, 1360 ref: xit.ref.Ref, 1361 events: []const evt.EventWithId, 1362 parent: [hash.hexLen(.sha1)]u8, 1363 1364 pub fn run(ctx: @This(), cursor: *DB.Cursor(.read_write)) !void { 1365 var moment = try DB.HashMap(.read_write).init(cursor.*); 1366 const state = Repo.State(.read_write){ .core = ctx.core, .extra = .{ .moment = &moment } }; 1367 try evt.commitEvents(.xit, .{}, state, ctx.io, ctx.allocator, ctx.ref, ctx.events, .{ctx.parent}); 1368 try xit.undo.write(.{}, state, std.Io.Timestamp.now(ctx.io, .real).toSeconds(), .{ .custom = .{ .action = evt.undo_action } }); 1369 } 1370 }; 1371 1372 try repo.core.db_file.lock(io, .exclusive); 1373 defer repo.core.db_file.unlock(io); 1374 1375 const history = try DB.ArrayList(.read_write).init(repo.core.db.rootCursor()); 1376 try history.appendContext(.{ .slot = try history.getSlot(-1) }, Ctx{ 1377 .core = &repo.core, 1378 .io = io, 1379 .allocator = allocator, 1380 .ref = ref, 1381 .events = events, 1382 .parent = parent, 1383 }); 1384 } 1385 1386 // recursively copy the contents of src_dir into dest_dir 1387 fn copyDir(io: std.Io, src_dir: std.Io.Dir, dest_dir: std.Io.Dir) !void { 1388 var iter = src_dir.iterate(); 1389 while (try iter.next(io)) |entry| { 1390 switch (entry.kind) { 1391 .file => try src_dir.copyFile(entry.name, dest_dir, entry.name, io, .{}), 1392 .directory => { 1393 try dest_dir.createDirPath(io, entry.name); 1394 var dest_entry_dir = try dest_dir.openDir(io, entry.name, .{ .access_sub_paths = true, .iterate = true, .follow_symlinks = false }); 1395 defer dest_entry_dir.close(io); 1396 var src_entry_dir = try src_dir.openDir(io, entry.name, .{ .access_sub_paths = true, .iterate = true, .follow_symlinks = false }); 1397 defer src_entry_dir.close(io); 1398 try copyDir(io, src_entry_dir, dest_entry_dir); 1399 }, 1400 else => {}, 1401 } 1402 } 1403 } 1404