╭ try.zig ──────────────────────────────────────────────────────╮ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ ╰───────────────────────────────────────────────────────────────╯
╭────╮ ╭ clone ─ ─ ─ ─ ─ ─ ─ ─ ─ ─ ─ ─ ─ ─ ╮ │http│ ssh │ │ ╰────╯ ╰ ─ ─ ─ ─ ─ ─ ─ ─ ─ ─ ─ ─ ─ ─ ─ ─ ─ ╯
1 //! start a server with some fake data and then launch 2 //! the TUI. this provides a nice way to test things 3 //! out safely. 4 5 const std = @import("std"); 6 const builtin = @import("builtin"); 7 const hx = @import("haxy"); 8 const srv = hx.serve; 9 const evt = hx.event; 10 const xit = hx.xit; 11 const rp = xit.repo; 12 const ui = hx.ui; 13 14 // cook the terminal before a panic/segfault trace is printed, so the trace 15 // isn't mangled by raw mode and the alternate buffer 16 pub const std_options_debug_io = xit.xitui.terminal.crash_debug_io; 17 18 pub fn main(init: std.process.Init) !void { 19 var gpa: std.heap.DebugAllocator(.{}) = .init; 20 defer _ = gpa.deinit(); 21 const allocator = gpa.allocator(); 22 23 var threaded = std.Io.Threaded.init(allocator, .{ 24 .environ = init.minimal.environ, 25 }); 26 defer threaded.deinit(); 27 const io = threaded.io(); 28 29 const temp_dir_name = "temp-try"; 30 31 // create the temp dir 32 const cwd = std.Io.Dir.cwd(); 33 var temp_dir_or_err = cwd.openDir(io, temp_dir_name, .{}); 34 if (temp_dir_or_err) |*temp_dir| { 35 temp_dir.close(io); 36 try cwd.deleteTree(io, temp_dir_name); 37 } else |_| {} 38 var temp_dir = try cwd.createDirPathOpen(io, temp_dir_name, .{}); 39 defer cwd.deleteTree(io, temp_dir_name) catch {}; 40 defer temp_dir.close(io); 41 42 // write the dev SSH private key so pushes can authenticate against the 43 // matching public key seeded on the admin account below 44 { 45 const priv_key_file = try temp_dir.createFile(io, "key", .{}); 46 defer priv_key_file.close(io); 47 try priv_key_file.writeStreamingAll(io, 48 \\-----BEGIN OPENSSH PRIVATE KEY----- 49 \\b3BlbnNzaC1rZXktdjEAAAAABG5vbmUAAAAEbm9uZQAAAAAAAAABAAAAMwAAAAtzc2gtZW 50 \\QyNTUxOQAAACCniLPJiaooAWecvOCeAjoJwCSeWxzysvpTNkpYjF22JgAAAJA+7hikPu4Y 51 \\pAAAAAtzc2gtZWQyNTUxOQAAACCniLPJiaooAWecvOCeAjoJwCSeWxzysvpTNkpYjF22Jg 52 \\AAAEDVlopOMnKt/7by/IA8VZvQXUS/O6VLkixOqnnahUdPCKeIs8mJqigBZ5y84J4COgnA 53 \\JJ5bHPKy+lM2SliMXbYmAAAAC3JhZGFyQHJvYXJrAQI= 54 \\-----END OPENSSH PRIVATE KEY----- 55 \\ 56 ); 57 if (.windows != builtin.os.tag) { 58 try priv_key_file.setPermissions(io, @enumFromInt(0o600)); 59 } 60 } 61 62 const cwd_path = try std.process.currentPathAlloc(io, allocator); 63 defer allocator.free(cwd_path); 64 65 const work_path = try std.fs.path.join(allocator, &.{ cwd_path, temp_dir_name, "server", "admin" }); 66 defer allocator.free(work_path); 67 68 const Repo = rp.Repo(.xit, evt.admin_repo_opts); 69 var repo = try Repo.init(io, allocator, .{ .path = work_path }); 70 defer repo.deinit(io, allocator); 71 72 try repo.addConfig(io, allocator, .{ .name = "user.name", .value = "haxy" }); 73 try repo.addConfig(io, allocator, .{ .name = "user.email", .value = "admin@haxy" }); 74 75 var session_arena = std.heap.ArenaAllocator.init(allocator); 76 defer session_arena.deinit(); 77 78 var session: ui.Session = blk: { 79 var arena = std.heap.ArenaAllocator.init(allocator); 80 defer arena.deinit(); 81 82 // define test events 83 84 var prng = std.Random.DefaultPrng.init(std.testing.random_seed); 85 86 const user_data = [_]struct { 87 name: []const u8, 88 display_name: []const u8, 89 email: []const u8, 90 }{ 91 .{ .name = "admin", .display_name = "Admin", .email = "admin@example.test" }, 92 .{ .name = "alice", .display_name = "Alice Tulley", .email = "alice@example.test" }, 93 .{ .name = "bob", .display_name = "Bob Smith", .email = "bob@example.test" }, 94 .{ .name = "carol", .display_name = "Carol Johnson", .email = "carol@example.test" }, 95 .{ .name = "dave", .display_name = "Dave Wilson", .email = "dave@example.test" }, 96 .{ .name = "eve", .display_name = "Eve Anderson", .email = "eve@example.test" }, 97 .{ .name = "frank", .display_name = "Frank Miller", .email = "frank@example.test" }, 98 .{ .name = "grace", .display_name = "Grace Lee", .email = "grace@example.test" }, 99 .{ .name = "henry", .display_name = "Henry Davis", .email = "henry@example.test" }, 100 .{ .name = "ivy", .display_name = "Ivy Martinez", .email = "ivy@example.test" }, 101 .{ .name = "jack", .display_name = "Jack Thompson", .email = "jack@example.test" }, 102 .{ .name = "kate", .display_name = "Kate Robinson", .email = "kate@example.test" }, 103 .{ .name = "liam", .display_name = "Liam Walker", .email = "liam@example.test" }, 104 .{ .name = "mona", .display_name = "Mona Patel", .email = "mona@example.test" }, 105 .{ .name = "noah", .display_name = "Noah Garcia", .email = "noah@example.test" }, 106 .{ .name = "olivia", .display_name = "Olivia Hernandez", .email = "olivia@example.test" }, 107 .{ .name = "peter", .display_name = "Peter Wright", .email = "peter@example.test" }, 108 .{ .name = "quinn", .display_name = "Quinn Foster", .email = "quinn@example.test" }, 109 .{ .name = "rachel", .display_name = "Rachel Bennett", .email = "rachel@example.test" }, 110 .{ .name = "sam", .display_name = "Sam Brooks", .email = "sam@example.test" }, 111 .{ .name = "tina", .display_name = "Tina Cooper", .email = "tina@example.test" }, 112 }; 113 114 const repo_data = [_]struct { 115 user_index: usize, 116 name: []const u8, 117 description: []const u8, 118 }{ 119 .{ .user_index = 0, .name = "ziglings", .description = "Learn the Zig programming language by fixing tiny broken programs" }, 120 .{ .user_index = 1, .name = "linux", .description = "Linux kernel source tree" }, 121 .{ .user_index = 2, .name = "kubernetes", .description = "Production-grade container orchestration" }, 122 .{ .user_index = 3, .name = "react", .description = "A declarative, efficient, and flexible JavaScript library for building user interfaces" }, 123 .{ .user_index = 4, .name = "typescript", .description = "TypeScript is a superset of JavaScript that compiles to clean JavaScript output" }, 124 .{ .user_index = 5, .name = "rust", .description = "Empowering everyone to build reliable and efficient software" }, 125 .{ .user_index = 6, .name = "go", .description = "The Go programming language" }, 126 .{ .user_index = 7, .name = "nodejs", .description = "Node.js JavaScript runtime" }, 127 .{ .user_index = 8, .name = "cpython", .description = "The Python programming language" }, 128 .{ .user_index = 9, .name = "docker", .description = "Container platform for developing, shipping, and running applications" }, 129 .{ .user_index = 0, .name = "vim", .description = "The ubiquitous text editor" }, 130 .{ .user_index = 1, .name = "neovim", .description = "Hyperextensible Vim-based text editor" }, 131 .{ .user_index = 2, .name = "emacs", .description = "GNU Emacs source code mirror" }, 132 .{ .user_index = 3, .name = "tmux", .description = "Terminal multiplexer" }, 133 .{ .user_index = 4, .name = "zsh", .description = "Mirror of the Z shell source code repository" }, 134 .{ .user_index = 5, .name = "git", .description = "Distributed version control system" }, 135 .{ .user_index = 6, .name = "mercurial", .description = "Source-control management tool" }, 136 .{ .user_index = 7, .name = "tensorflow", .description = "An end-to-end open source machine learning platform" }, 137 .{ .user_index = 8, .name = "pytorch", .description = "Tensors and dynamic neural networks in Python with strong GPU acceleration" }, 138 .{ .user_index = 9, .name = "numpy", .description = "The fundamental package for scientific computing with Python" }, 139 .{ .user_index = 0, .name = "pandas", .description = "Flexible and powerful data analysis and manipulation library for Python" }, 140 .{ .user_index = 1, .name = "scikit-learn", .description = "Machine learning in Python" }, 141 .{ .user_index = 2, .name = "nginx", .description = "High performance HTTP server and reverse proxy" }, 142 .{ .user_index = 3, .name = "redis", .description = "In-memory data structure store, used as a database, cache, and message broker" }, 143 .{ .user_index = 4, .name = "postgres", .description = "The world's most advanced open source relational database" }, 144 .{ .user_index = 5, .name = "sqlite", .description = "Self-contained, serverless, zero-configuration SQL database engine" }, 145 .{ .user_index = 6, .name = "mongodb", .description = "The MongoDB Database" }, 146 .{ .user_index = 7, .name = "elasticsearch", .description = "Free and open, distributed, RESTful search engine" }, 147 .{ .user_index = 8, .name = "kafka", .description = "Distributed event streaming platform" }, 148 .{ .user_index = 9, .name = "terraform", .description = "Infrastructure as code tool" }, 149 .{ .user_index = 10, .name = "svelte", .description = "Cybernetically enhanced web apps" }, 150 .{ .user_index = 11, .name = "vue", .description = "The progressive JavaScript framework" }, 151 .{ .user_index = 12, .name = "flask", .description = "The Python micro framework for building web applications" }, 152 .{ .user_index = 13, .name = "django", .description = "The web framework for perfectionists with deadlines" }, 153 .{ .user_index = 14, .name = "rails", .description = "Ruby on Rails web framework" }, 154 .{ .user_index = 15, .name = "phoenix", .description = "Peace of mind from prototype to production for Elixir web apps" }, 155 .{ .user_index = 16, .name = "laravel", .description = "The PHP framework for web artisans" }, 156 .{ .user_index = 17, .name = "prometheus", .description = "The Prometheus monitoring system and time series database" }, 157 .{ .user_index = 18, .name = "grafana", .description = "The open and composable observability and data visualization platform" }, 158 .{ .user_index = 19, .name = "ansible", .description = "Simple, agentless IT automation" }, 159 }; 160 161 var user_ids: [user_data.len][evt.event_id_size]u8 = undefined; 162 for (&user_ids) |*id| id.* = evt.EventWithId.randomId(prng.random()); 163 164 var repo_event_ids: [repo_data.len][evt.event_id_size]u8 = undefined; 165 for (&repo_event_ids) |*id| id.* = evt.EventWithId.randomId(prng.random()); 166 167 var password_hash_buf: [evt.User.password_hash_max_len]u8 = undefined; 168 const password_hash = try evt.User.hashPassword("password", &password_hash_buf, io); 169 170 // public key matching temp-try/key, given to admin so we can push as admin 171 const admin_ssh_key = "ssh-ed25519 AAAAC3NzaC1lZDI1NTE5AAAAIKeIs8mJqigBZ5y84J4COgnAJJ5bHPKy+lM2SliMXbYm radar@roark"; 172 173 var events_to_consume: [user_data.len + repo_data.len]evt.EventWithId = undefined; 174 for (user_data, 0..) |u, i| { 175 events_to_consume[i] = .{ 176 .id = std.fmt.bytesToHex(user_ids[i], .lower), 177 .event = .{ 178 .user = .{ 179 .name = u.name, 180 .display_name = u.display_name, 181 .email = u.email, 182 .password_hash = password_hash, 183 .ssh_keys = if (i == 0) admin_ssh_key else "", 184 }, 185 }, 186 }; 187 } 188 for (repo_data, 0..) |r, i| { 189 events_to_consume[user_data.len + i] = .{ 190 .id = std.fmt.bytesToHex(repo_event_ids[i], .lower), 191 .event = .{ 192 .repo = .{ 193 .user_id = &user_ids[r.user_index], 194 .name = r.name, 195 .description = r.description, 196 .enable_issue = true, 197 }, 198 }, 199 }; 200 } 201 202 // commit the seed events and consume them into the database 203 try evt.commitAndConsume(evt.admin_repo_opts, io, allocator, &repo, evt.events_ref, &events_to_consume); 204 205 // create the actual repos on disk, named by their hex-encoded event id 206 for (repo_data, 0..) |r, i| { 207 const repo_id = std.fmt.bytesToHex(repo_event_ids[i], .lower); 208 const repo_path = try std.fs.path.join(arena.allocator(), &.{ cwd_path, temp_dir_name, "server", "repos", &repo_id }); 209 210 var repo_i = try rp.Repo(.xit, .{}).init(io, allocator, .{ .path = repo_path }); 211 defer repo_i.deinit(io, allocator); 212 213 try repo_i.addConfig(io, allocator, .{ .name = "user.name", .value = "haxy" }); 214 try repo_i.addConfig(io, allocator, .{ .name = "user.email", .value = "admin@haxy" }); 215 216 // write the repo's name and description into a README, plus a 217 // nested doc so the file tree has a directory to descend into 218 { 219 var repo_dir = try cwd.openDir(io, repo_path, .{}); 220 defer repo_dir.close(io); 221 222 const readme = try repo_dir.createFile(io, "README.md", .{}); 223 defer readme.close(io); 224 const readme_content = try std.fmt.allocPrint(arena.allocator(), "# {s}\n\n{s}\n", .{ r.name, r.description }); 225 try readme.writeStreamingAll(io, readme_content); 226 227 try repo_dir.createDirPath(io, "docs/dev"); 228 const doc = try repo_dir.createFile(io, "docs/dev/contribute.md", .{}); 229 defer doc.close(io); 230 try doc.writeStreamingAll(io, "To contribute, please make a pull request"); 231 } 232 233 try repo_i.add(io, allocator, &.{ "README.md", "docs/dev/contribute.md" }); 234 _ = try repo_i.commit(io, allocator, .{ .message = "let there be light" }); 235 236 // a batch of commits so the commits tab has more than one page to 237 // paginate through. each rewrites a few files with scattered line 238 // edits, so every commit is a multi-file diff with several separate 239 // hunks to look at. stepped timestamps vary the date column. 240 const base_ts: u64 = 1_700_000_000; // 2023-11-14 241 const edit_files = [_][]const u8{ "src/alpha.txt", "src/beta.txt", "src/gamma.txt" }; 242 // cycled through to pad each line into prose-like content. 243 const words = [_][]const u8{ 244 "lorem", "ipsum", "dolor", "sit", "amet", "consectetur", 245 "quantum", "vector", "matrix", "buffer", "kernel", "socket", 246 "falcon", "otter", "badger", "walrus", "ferret", "marmot", 247 "scatter", "gather", "encode", "decode", "render", "commit", 248 }; 249 var c: usize = 0; 250 while (c < 30) : (c += 1) { 251 { 252 var repo_dir = try cwd.openDir(io, repo_path, .{}); 253 defer repo_dir.close(io); 254 try repo_dir.createDirPath(io, "src"); 255 for (edit_files, 0..) |path, fi| { 256 const file = try repo_dir.createFile(io, path, .{}); 257 defer file.close(io); 258 var writer = std.Io.Writer.Allocating.init(allocator); 259 defer writer.deinit(); 260 // every 8th line (offset per file) encodes the commit 261 // number; the rest stay constant. the changed lines sit 262 // far enough apart that diff renders each as its own hunk. 263 // each line is padded with cycled words to a per-line 264 // length, capped at 120 characters. 265 for (0..40) |line| { 266 const start = writer.written().len; 267 if ((line + fi) % 8 == 0) { 268 try writer.writer.print("line {d}: rev {d}", .{ line, c }); 269 } else { 270 try writer.writer.print("line {d}", .{line}); 271 } 272 const target = 40 + (line * 17 + fi * 23) % 70; 273 var w = line + fi; 274 while (true) : (w += 1) { 275 const word = words[w % words.len]; 276 const len = writer.written().len - start; 277 if (len >= target or len + 1 + word.len > 120) break; 278 try writer.writer.print(" {s}", .{word}); 279 } 280 try writer.writer.writeByte('\n'); 281 } 282 try file.writeStreamingAll(io, writer.written()); 283 } 284 } 285 try repo_i.add(io, allocator, &edit_files); 286 const message = try std.fmt.allocPrint(arena.allocator(), "scattered edits {d}", .{c + 1}); 287 _ = try repo_i.commit(io, allocator, .{ .message = message, .timestamp = base_ts + c * std.time.s_per_day }); 288 } 289 } 290 291 break :blk try ui.Session.init(&session_arena, &repo, .{}); 292 }; 293 session.is_terminal = true; 294 295 // start the server 296 297 var cli = false; 298 299 var arg_it = try init.minimal.args.iterateAllocator(allocator); 300 defer arg_it.deinit(); 301 _ = arg_it.skip(); 302 while (arg_it.next()) |arg| { 303 if (std.mem.eql(u8, "--cli", arg)) { 304 cli = true; 305 } 306 } 307 308 const server_path = try std.fs.path.join(allocator, &.{ cwd_path, temp_dir_name, "server" }); 309 defer allocator.free(server_path); 310 311 // let the native TUI's page builders open the on-disk repos for the file tree 312 session.io = io; 313 session.repos_dir = try std.fs.path.join(session_arena.allocator(), &.{ server_path, "repos" }); 314 315 if (cli) { 316 var stdout_writer = std.Io.File.stdout().writer(io, &.{}); 317 var stderr_writer = std.Io.File.stderr().writer(io, &.{}); 318 const run_opts = hx.main.RunOpts{ .out = &stdout_writer.interface, .err = &stderr_writer.interface }; 319 320 const key_path = try std.fs.path.join(allocator, &.{ cwd_path, temp_dir_name, "key" }); 321 defer allocator.free(key_path); 322 323 const Runnable = struct { 324 io: std.Io, 325 key_path: []const u8, 326 327 pub fn run(self: @This()) !void { 328 std.debug.print( 329 \\ 330 \\connect to the TUI with: 331 \\ ssh -p 8022 -o StrictHostKeyChecking=no -o UserKnownHostsFile=/dev/null localhost 332 \\ 333 \\create a git repo and push over SSH: 334 \\ mkdir -p temp-try/client/test 335 \\ cd temp-try/client/test 336 \\ git init 337 \\ echo "hello" > hello.txt 338 \\ git add hello.txt 339 \\ git commit -m "let there be light" 340 \\ GIT_SSH_COMMAND='ssh -p 8022 -o StrictHostKeyChecking=no -o UserKnownHostsFile=/dev/null -o IdentitiesOnly=yes -i {s}' git push localhost:admin/test HEAD:master 341 \\ 342 \\to quit, press enter. 343 \\ 344 , .{self.key_path}); 345 // portable stdin read via std.Io — equivalent to the 346 // std.posix.read(STDIN_FILENO, ...) that doesn't compile 347 // on windows. 348 var buf: [1]u8 = undefined; 349 var stdin_reader = std.Io.File.stdin().reader(self.io, &buf); 350 _ = stdin_reader.interface.takeByte() catch {}; 351 } 352 }; 353 354 try srv.run(.xit, .{}, io, allocator, cwd_path, .{ 355 .data_dir = server_path, 356 }, run_opts.err, Runnable{ .io = io, .key_path = key_path }); 357 } else { 358 var null_writer = std.Io.Writer.Discarding.init(&.{}); 359 const run_opts = hx.main.RunOpts{ .out = &null_writer.writer, .err = &null_writer.writer }; 360 361 const Runnable = struct { 362 io: std.Io, 363 allocator: std.mem.Allocator, 364 session: *ui.Session, 365 366 pub fn run(self: @This()) !void { 367 // launch the TUI 368 try hx.ui.run(self.io, self.allocator, self.session); 369 } 370 }; 371 372 try srv.run(.xit, .{}, io, allocator, cwd_path, .{ 373 .data_dir = server_path, 374 }, run_opts.err, Runnable{ .io = io, .allocator = allocator, .session = &session }); 375 } 376 } 377