HAXY

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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

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