╭─────────────╮ │scroll to top│ ╰─────────────╯ ╭ event.zig ────────────────────────────────────────────────────╮ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ ╰───────────────────────────────────────────────────────────────╯
🬐 🬠 🬞🬂🬏 🬟 🬑 🬟 🬑 ╭9cd00aac..╮ 9cd00aac.. haxy: 🬋🬋🬋 🬋🬋🬋 🬋 🬋 │files │ commits refs discuss issues patches new login 🬐 🬠 🬐 🬠 🬑 🬟 🬰 ╰──────────╯ (699) user
╭────╮ ╭ clone ─ ─ ─ ─ ─ ─ ─ ─ ─ ─ ─ ─╮ │http│ ssh │ │ ╰────╯ ╰ ─ ─ ─ ─ ─ ─ ─ ─ ─ ─ ─ ─ ─ ─ ─╯
.. embed/ event/ test/ ui/ command.zig diff3.zig ╭─────────────────────────────────╮ │event.zig │ ╰─────────────────────────────────╯ find.zig fork.zig lib.zig main.zig main_wasm.zig markdown.zig notify.zig patch.zig progress.zig push.zig search.zig search_commit.zig search_thread.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
2902 2903 var self = CommitIterator(repo_kind, repo_opts){ 2904 .repo_dir = state.core.repo_dir, 2905 .db_file = db_file, 2906 .db = db_ptr, 2907 .parent_to_children = parent_to_children, 2908 .child_to_pending_parents = child_to_pending_parents, 2909 .ready_queue = ready_queue, 2910 .ready_queue_index = 0, 2911 .newest_object_id = null, 2912 .oldest_object_id = null, 2913 }; 2914 errdefer self.deinit(io, allocator); 2915 2916 try self.collect(state, io, allocator, consumed_object_ids, ref); 2917 2918 return self; 2919 } 2920 2921 pub fn deinit(self: *CommitIterator(repo_kind, repo_opts), io: std.Io, allocator: std.mem.Allocator) void { 2922 self.db_file.close(io); 2923 self.repo_dir.deleteFile(io, db_name) catch {}; 2924 allocator.destroy(self.db); 2925 } 2926 2927 pub fn next(self: *CommitIterator(repo_kind, repo_opts)) !?[hash.byteLen(repo_opts.hash)]u8 { 2928 if (self.ready_queue_index >= try self.ready_queue.count()) return null; 2929 2930 const oid = try readOidFromList(self.ready_queue.readOnly(), self.ready_queue_index); 2931 self.ready_queue_index += 1; 2932 2933 try self.enqueueChildren(&oid); 2934 return oid; 2935 } 2936 2937 fn collect( 2938 self: *CommitIterator(repo_kind, repo_opts), 2939 state: rp.Repo(repo_kind, repo_opts).State(.read_only), 2940 io: std.Io, 2941 allocator: std.mem.Allocator, 2942 consumed_object_ids: DB.HashMap(.read_only), 2943 ref: rf.Ref, 2944 ) !void { 2945 const map = try TempDB.HashMap(.read_write).init(self.db.rootCursor()); 2946 2947 const walk_queue_cursor = try map.putCursor(hash.hashInt(repo_opts.hash, "walk-queue")); 2948 const walk_queue = try TempDB.ArrayList(.read_write).init(walk_queue_cursor); 2949 var walk_queue_index: u64 = 0; 2950 2951 const seen_object_ids_cursor = try map.putCursor(hash.hashInt(repo_opts.hash, "seen-object-ids")); 2952 const seen_object_ids = try TempDB.HashSet(.read_write).init(seen_object_ids_cursor); 2953 2954 const head_oid_hex = (try rf.readRecur(repo_kind, repo_opts, state, io, .{ .ref = ref })) orelse return error.OidNotFound; 2955 var head_oid: [hash.byteLen(repo_opts.hash)]u8 = undefined; 2956 _ = try std.fmt.hexToBytes(&head_oid, &head_oid_hex); 2957 try walk_queue.append(.{ .bytes = &head_oid }); 2958 2959 while (walk_queue_index < try walk_queue.count()) { 2960 const oid = try readOidFromList(walk_queue.readOnly(), walk_queue_index); 2961 const oid_int = hash.bytesToInt(repo_opts.hash, &oid); 2962 2963 walk_queue_index += 1; 2964 2965 // if we've seen this object id, skip it 2966 if (null != try seen_object_ids.getCursor(oid_int)) { 2967 continue; 2968 } 2969 2970 try seen_object_ids.put(oid_int, .{ .bytes = &oid }); 2971 2972 var commit_object = try obj.Object(repo_kind, repo_opts).init(state, io, allocator, &std.fmt.bytesToHex(oid, .lower)); 2973 defer commit_object.deinit(); 2974 2975 // if this object id has already been consumed, skip it 2976 if (null != try consumed_object_ids.getCursor(oid_int)) { 2977 continue; 2978 } 2979 2980 if (self.newest_object_id == null) self.newest_object_id = oid; 2981 self.oldest_object_id = oid; 2982 2983 const parent_oids = commit_object.content.commit.metadata.parent_oids orelse return error.ParentOidsNotFound; 2984 var pending_parent_count: u64 = 0; 2985 for (parent_oids) |*parent_oid| { 2986 var parent_oid_bytes: [hash.byteLen(repo_opts.hash)]u8 = undefined; 2987 _ = try std.fmt.hexToBytes(&parent_oid_bytes, parent_oid); 2988 const parent_oid_int = hash.bytesToInt(repo_opts.hash, &parent_oid_bytes); 2989 2990 // if this object id has already been consumed, skip it 2991 if (null != try consumed_object_ids.getCursor(parent_oid_int)) { 2992 continue; 2993 } 2994 2995 // if this object id hasn't already been seen, add it to the walk queue 2996 if (null == try seen_object_ids.getCursor(parent_oid_int)) { 2997 try walk_queue.append(.{ .bytes = &parent_oid_bytes }); 2998 } 2999 3000 const children_cursor = try self.parent_to_children.putCursor(parent_oid_int); 3001 const children = try TempDB.HashSet(.read_write).init(children_cursor); 3002 try children.put(oid_int, .{ .bytes = &oid }); 3003 pending_parent_count += 1; 3004 } 3005 3006 if (pending_parent_count == 0) { 3007 try self.ready_queue.append(.{ .bytes = &oid }); 3008 } else { 3009 try self.child_to_pending_parents.put(oid_int, .{ .uint = pending_parent_count }); 3010 } 3011 } 3012 } 3013 3014 fn enqueueChildren(self: *CommitIterator(repo_kind, repo_opts), oid: *const [hash.byteLen(repo_opts.hash)]u8) !void { 3015 const oid_int = hash.bytesToInt(repo_opts.hash, oid); 3016 const children_cursor = try self.parent_to_children.getCursor(oid_int) orelse return; 3017 const children = try TempDB.HashSet(.read_only).init(children_cursor); 3018 var children_iter = try children.iterator(); 3019 3020 while (try children_iter.next()) |*child_cursor| { 3021 const kv_pair = try child_cursor.readKeyValuePair(); 3022 const child_oid_int = kv_pair.hash; 3023 const pending_parent_cursor = try self.child_to_pending_parents.getCursor(child_oid_int) orelse return error.CursorNotFound; 3024 const pending_parent_count = try pending_parent_cursor.readUint(); 3025 3026 if (pending_parent_count <= 1) { 3027 _ = try self.child_to_pending_parents.remove(child_oid_int); 3028 const child_oid = hash.intToBytes(hash.HashInt(repo_opts.hash), child_oid_int); 3029 try self.ready_queue.append(.{ .bytes = &child_oid }); 3030 } else { 3031 try self.child_to_pending_parents.put(child_oid_int, .{ .uint = pending_parent_count - 1 }); 3032 } 3033 } 3034 } 3035 3036 fn readOidFromList(list: TempDB.ArrayList(.read_only), index: u64) ![hash.byteLen(repo_opts.hash)]u8 { 3037 const oid_cursor = try list.getCursor(index) orelse return error.CursorNotFound; 3038 var oid: [hash.byteLen(repo_opts.hash)]u8 = undefined; 3039 _ = try oid_cursor.readBytes(&oid); 3040 return oid; 3041 } 3042 }; 3043 } 3044