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