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▄▄▄▄▀▄ ▄▀▀▀▀▀▀▀▀ ▄▄▄▄ ▀▀▀▀▀▄▀▀▀▀▄ ▄▀▀▀▀▀▄ ▀▀▀▀▀▄▄▄▀▀▀ ▄▀▀▀▀▀▀▀▀ ▀▀▀▀▀▀▀▀▀▀▀ ▀▀▀▀▀▀▀▀▀ ▀▀▀▀▀▀▀▀▀▀▀▀ ▀▀▀▀▀▀▀▀▀ ▀▀▀▀▀▀▀▀▄▀▀▀ ▀▀▀▀▀▀▀▀▀ ▀▀▀▀▀▀▀▀▀▀▀▀ ▀▀▀▀▀▀▀▀▀ ▀▀▀▀▀▀▀▀▀▀▄▀▄▄ ▀▀▀▀▀▀▀▀ ▀▀▀▀▀▀▀▀▀▀▀▄▀▀ ▀▀▀▀▀▀ ▀▀▀▀▀▀▄▀▀▀▀▀▀▀▀▄ ▀▀▀▀▀▀ ▀▀▀▀▀▀▀▀▀▀▀▀▄▀▀▀▀▄ ▀▀▀ ▀▀▀▀▀▄▀▀▀▀▀▀▀▀▀▀▀▀▄ ▀▀▀ ▄▀▀▀▀▄▀▀▀▀▀▀▀▀▀▄▄▀▀▀ ▀▀▀ ▀▀▀▀▀▀▀▀▀▀▀▀▀▀▄▀▄▄▄▄▀ ▀▀ ▀▀▀▀▀▀▀▀▀▄▀▀▀▀▀▄▀▀▀▀ ▀ ▀▀▀▀▄▀▀▀▀▀▀▀▀▀▀▀▀▀▀▀▀▀ ▀▀ ▀▀▀▀▀▀▀▀▀▀▀▀▀▀▀▀▀▀▀▀▀▀ ▄▀▀▀▄ ▄▀▀▀▄▀▀▀▀▀▀▀▀▀▀▀▀▀▀▀▀▀▀▀ ▀▀▀▀▀ ▀▀▄▀▀▀▀▀▀▀▀▀▀▀▀▀▀▀▀▀▀▄▀▀▀ ▀▀▀▀▀▀▀▄▀▀▄▀▀▀▀▀▀▀▀▀▀▀▀▀▀▄▀▀▀▀▀▀▀▀▄ ▀▀▀▀▀▀▀▀▄▀▀▀▀▀▀▀▀▀▀▄▀▄▀▀▀▀▀▀▀▀▀▀▀▀▀ ▀▀▀▀▀▀▀▀▀▀▀▀▀▀▀▀▀▀▄▀▀▀▀▀▀▀▄▀▄▄▀▀▄▀▀ ▀▀▀▀▀▀▄▄▀▀▄▀▀▀▀▀▀▀▀▀▀▀▀▀▀▀▀▀▀▀▀▄▀▀ ▀▀▀▀▀▀▀▀▀▀▀▀▀▄▀▀▀▀▀▀▀▀▀▀▀▀▀▀▄▀▀▀▀▀ ▀▀▀▀▀▀▀▀▄▀▀▀▀▀▀▀▄▄▄▀▀▀▀▄▀▀▀▄▀▀▀▀▀▀ ▀▀▀▀▀▀▀▀▀▀▀▀▀▀▀▀▀▀▀▀▀▀▀▀▀▀▀▀▀▀▄▀▀▄▀ ▀▀▀▀▀▀▀▀▀▀▀▀▀▀▀▀▀▀▀▀▀▀▀▀▀▀▀▀▀▀▀▀▀▀▀ ▀▀▀▀▀▀▀▀▀▀▀▀▀▀▀▀▀▀▀▀▀▀▀▀▀▀▀▀▀▀▀▀▀▀▀ ▀▀▀▀▀▀▀▀▀▀▀▀▀▀▀▀▀▀▀▀▀▀▀▀▀▀▀▀▀▄▀▀▀▀ ▀▀▀▀▀▀▀▀▀▀▀▀▀▀▀▀▀▀▀▀▀▀▀▀▀▀▀▀▀▀▀▀▀▀ ▀▀▀▀▀▀▀▀▀▀▀▀▀▀▀▀▀▀▄▀▀▀▀▀▀▀▀▀▀▀▀▀▀▀ ▀▀▀▀▀▀▀▀▀▀▀▀▀▀▀▀▀▀▀▀▀▀▀▀▀▀▀▀▀▀▀▀▄▀▄ ▀▀▀▀▀▀▀▀ ▀▀▀▀▀▀▀▀▀▀▀▀▀▀▀▀▀▀▀▀▀▀▄▀▀▀ ▀▀▀▀▀▀▀ ▀▀▀▀▀▀▀▀▀▀▀▀▀▀▀▀▀▀▀▀▀▀▀▀▀▀ ▀▀▀▀▀▀ ▀▀▀▀▀▀▀▀▀▀▄▀▀▀▀▀▀▀▀▀▀▀▀▀▀▀ ▀▀ ▀▀ ▀▀▀▀▀▀▀▀▀▀▀▀▀▀▀▀▀▀▀▀▀▀▀▀▀▀▀ ▀▀ ▀▀▀▀▀▀▀▀▀▀▀▀▀▄▀▀▄▄▀▀ ▀▀▀▄▀ ▀ ▀▀▀▀▀▀▀▀▀▀▀▀▀▀▀▀▀▀▀▀ ▀▀▀ ▀ ▀▀▀▀▀▀▀▀▀▄▀▀▀▀▀▀▀▀▀▀ ▀ ▀▀▀▀▀▀▀▀▀▀▀▀▀▀▀▀▀▀▀▀ ▀ ▀▀▀▀▀▀▀▀▀▀▀▀▀▄▀▀▀▀▀▀▀ ▀ ▄▀▀▀▀▀▀▀▀▀▀▀▀▀▀▀▀▀▀▄▄▀ ▀▄ ▀▀▀▀▀▀▀▀▀▀▀▀▀▀▀▄▀▀▀▀▀▀ ▀▀ ▀▀▀▀▀▀▀▄▄▄▀▀▀▀▀▀▀▀▀▀▀▀ ▀ ▀▀▀▀▀▀▀▀▀▀▀▀▀▀▀▀▀▀▀▀▀

╭─────────────╮ │scroll to top│ ╰─────────────╯ ╭ patch.zig ────────────────────────────────────────────────────╮ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ ╰───────────────────────────────────────────────────────────────╯

╭────╮ ╭ clone ─ ─ ─ ─ ─ ─ ─ ─ ─ ─ ─ ─ ─ ─ ╮ │http│ ssh │ │ ╰────╯ ╰ ─ ─ ─ ─ ─ ─ ─ ─ ─ ─ ─ ─ ─ ─ ─ ─ ─ ╯

.. embed/ event/ test/ ui/ command.zig diff3.zig event.zig fork.zig lib.zig main.zig main_wasm.zig ╭─────────────────────────────────╮ │patch.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

328 ) !void { 329 var arena = std.heap.ArenaAllocator.init(allocator); 330 defer arena.deinit(); 331 332 const patch_hex = std.fmt.bytesToHex(patch_id.*, .lower); 333 const fork_path = try fork.forkPath(arena.allocator(), repo_root_path, &patch_hex); 334 var fork_repo = try rp.Repo(.xit, repo_opts).open(io, allocator, .{ .path = fork_path, .require_repo_root = true }); 335 defer fork_repo.deinit(io, allocator); 336 337 _ = try importMergedFromFork(repo_opts, state, db, moment, io, allocator, &fork_repo, patch_id, null, null, 0); 338 } 339 340 // import the revision and mark its patch merged in the current transaction 341 fn importMergedFromFork( 342 comptime repo_opts: rp.RepoOpts(.xit), 343 state: rp.Repo(.xit, repo_opts).State(.read_write), 344 db: *evt.EventDB(repo_opts.hash), 345 moment: *evt.EventDB(repo_opts.hash).HashMap(.read_write), 346 io: std.Io, 347 allocator: std.mem.Allocator, 348 fork_repo: *rp.Repo(.xit, repo_opts), 349 patch_id: *const [evt.event_id_size]u8, 350 expected_patch: ?evt.Patch, 351 merged_author: ?evt.CommitAuthor, 352 merged_timestamp: u64, 353 ) !bool { 354 const DB = evt.EventDB(repo_opts.hash); 355 var arena = std.heap.ArenaAllocator.init(allocator); 356 defer arena.deinit(); 357 358 const haxy_moment = try evt.currentMomentFromRepoMoment(repo_opts.hash, moment.readOnly()); 359 const patch_record = (try evt.Patch.readById(DB, repo_opts.hash, haxy_moment, &arena, patch_id)) orelse return false; 360 const selected = patch_record.event.revision orelse return false; 361 if (patch_record.removed or patch_record.event.status == .merged) return false; 362 if (expected_patch) |expected| { 363 if (!evt.fieldEqual(evt.Patch, expected, patch_record.event)) return false; 364 } 365 const revision_id = try evt.parseEventId(&selected.id); 366 367 const fork_moment = try evt.currentMoment(repo_opts, fork_repo); 368 const revision = (try evt.PatchRev.readById(DB, repo_opts.hash, fork_moment, &arena, &revision_id)) orelse return false; 369 if (!selected.matches(revision)) return false; 370 371 var fork_repo_moment = try fork_repo.core.latestMoment(); 372 const fork_state = rp.Repo(.xit, repo_opts).State(.read_only){ .core = &fork_repo.core, .extra = .{ .moment = &fork_repo_moment } }; 373 var event_oid: [hash.hexLen(repo_opts.hash)]u8 = undefined; 374 if (revision.event_oid.len != event_oid.len) return false; 375 @memcpy(&event_oid, revision.event_oid); 376 var event_object = try obj.Object(.xit, repo_opts).initCommit(fork_state, io, allocator, &event_oid); 377 defer event_object.deinit(); 378 const original_author = try commitAuthor(event_object.content.commit.metadata.author orelse return false); 379 380 var events: [2]evt.EventWithId = undefined; 381 var event_count: usize = 0; 382 const current_revision = try evt.PatchRev.readById(DB, repo_opts.hash, haxy_moment, &arena, &revision_id); 383 var tree_entries: [2]evt.EventTreeEntry = undefined; 384 const needs_import = if (current_revision) |existing| existing.removed else true; 385 if (needs_import) { 386 tree_entries = .{ 387 .{ .tree = .{ .name = "base", .oid = revision.base_tree_oid } }, 388 .{ .tree = .{ .name = "head", .oid = revision.head_tree_oid } }, 389 }; 390 events[event_count] = .{ 391 .id = selected.id, 392 .timestamp = event_object.content.commit.metadata.timestamp, 393 .author = original_author, 394 .tree_entries = &tree_entries, 395 .event = .{ .patchrev = revision.event }, 396 }; 397 event_count += 1; 398 } else { 399 const existing = current_revision orelse unreachable; 400 if (!selected.matches(existing)) return error.InvalidPatch; 401 } 402 403 var patch = patch_record.event; 404 patch.status = .merged; 405 events[event_count] = .{ 406 .id = std.fmt.bytesToHex(patch_id.*, .lower), 407 .timestamp = if (merged_author != null) merged_timestamp else @intCast(std.Io.Timestamp.now(io, .real).toSeconds()), 408 .author = merged_author orelse original_author, 409 .event = .{ .patch = patch }, 410 }; 411 event_count += 1; 412 413 try evt.commitEvents(.xit, repo_opts, state, io, allocator, evt.events_ref, events[0..event_count], null); 414 if (!try evt.consumeInTransaction(.repo, .xit, repo_opts, state, db, moment, io, allocator, evt.events_ref)) return error.CancelTransaction; 415 return true; 416 } 417 418 // find patches merged by commits received in a push 419 pub fn detectMerged( 420 comptime repo_opts: rp.RepoOpts(.xit), 421 state: rp.Repo(.xit, repo_opts).State(.read_write), 422 db: *evt.EventDB(repo_opts.hash), 423 moment: *evt.EventDB(repo_opts.hash).HashMap(.read_write), 424 io: std.Io, 425 allocator: std.mem.Allocator, 426 repo_root_path: []const u8, 427 updates: []const xit.net_server_receive_pack.AppliedRefUpdate, 428 error_writer: *std.Io.Writer, 429 ) !void { 430 const DB = evt.EventDB(repo_opts.hash); 431 var arena = std.heap.ArenaAllocator.init(allocator); 432 defer arena.deinit(); 433 434 const haxy_moment = try evt.currentMomentFromRepoMoment(repo_opts.hash, moment.readOnly()); 435 const revisions_cursor = try haxy_moment.getCursor(hash.hashInt(repo_opts.hash, evt.Patch.revision_to_id_set_key)) orelse return; 436 const revisions = try DB.HashMap(.read_only).init(revisions_cursor); 437 var events_ref_buffer: [rf.MAX_REF_CONTENT_SIZE]u8 = undefined; 438 const events_ref_path = try evt.events_ref.toPath(&events_ref_buffer); 439 for (updates) |update| { 440 if (!std.mem.startsWith(u8, update.ref_name, "refs/heads/") or 441 std.mem.eql(u8, update.ref_name, events_ref_path) or 442 std.mem.eql(u8, update.old_oid, update.new_oid)) continue; 443 if (update.old_oid.len != hash.hexLen(repo_opts.hash) or 444 update.new_oid.len != hash.hexLen(repo_opts.hash)) return error.InvalidOid; 445 var old_oid: [hash.hexLen(repo_opts.hash)]u8 = undefined; 446 var new_oid: [hash.hexLen(repo_opts.hash)]u8 = undefined; 447 @memcpy(&old_oid, update.old_oid); 448 @memcpy(&new_oid, update.new_oid); 449 if (std.mem.allEqual(u8, &new_oid, '0')) continue; 450 451 var commits = try obj.ObjectIterator(.xit, repo_opts).init(state.readOnly(), io, arena.allocator(), .{ .kind = .commit }); 452 defer commits.deinit(); 453 if (!std.mem.allEqual(u8, &old_oid, '0')) try commits.exclude(&old_oid); 454 try commits.include(&new_oid); 455 var revision_key_buffer: [rf.MAX_REF_CONTENT_SIZE + 1 + hash.hexLen(repo_opts.hash)]u8 = undefined; 456 while (try commits.next(arena.allocator())) |commit| { 457 defer commit.deinit(); 458 const key = try std.fmt.bufPrint(&revision_key_buffer, "{s}\x00{s}", .{ update.ref_name, &commit.oid }); 459 const ids_cursor = try revisions.getCursor(hash.hashInt(repo_opts.hash, key)) orelse continue; 460 const ids = try DB.CountedHashSet(.read_only).init(ids_cursor); 461 var ids_iter = try ids.iterator(); 462 while (try ids_iter.next()) |cursor| { 463 const pair = try cursor.readKeyValuePair(); 464 var patch_id: [evt.event_id_size]u8 = undefined; 465 if ((try pair.key_cursor.readBytes(&patch_id)).len != patch_id.len) return error.InvalidPatch; 466 const patch_hex = std.fmt.bytesToHex(patch_id, .lower); 467 importMerged(repo_opts, state, db, moment, io, allocator, repo_root_path, &patch_id) catch |err| { 468 serve_common.logError(io, error_writer, "failed to mark patch {s} as merged: {s}\n", .{ &patch_hex, @errorName(err) }); 469 continue; 470 }; 471 } 472 } 473 } 474 } 475