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Side by Side Diff: tools/gardening/bin/create_shard_groups.dart

Issue 2908403002: Add a 'bot.dart' executable to the gardening tools. (Closed)
Patch Set: Address comments. Created 3 years, 6 months ago
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1 // Copyright (c) 2017, the Dart project authors. Please see the AUTHORS file 1 // Copyright (c) 2017, the Dart project authors. Please see the AUTHORS file
2 // for details. All rights reserved. Use of this source code is governed by a 2 // for details. All rights reserved. Use of this source code is governed by a
3 // BSD-style license that can be found in the LICENSE file. 3 // BSD-style license that can be found in the LICENSE file.
4 4
5 // Outputs source code for `part` used by `shard2group.dart`. Usage: 5 // Outputs source code for `part` used by `shard2group.dart`. Usage:
6 // `dart bin/create_shard_groups.dart source.html >lib/src/shard_data.dart`. 6 // `dart bin/create_shard_groups.dart source.html >lib/src/shard_data.dart`.
7 7
8 import 'dart:io'; 8 import 'dart:io';
9 import 'dart:math' as math; 9 import 'dart:math' as math;
10 10
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59 } else if (trimmed.contains(shardsGroupStartMark)) { 59 } else if (trimmed.contains(shardsGroupStartMark)) {
60 // This is a group separator, switch to next sublist. 60 // This is a group separator, switch to next sublist.
61 if (shardResult != null) result.add(shardResult); 61 if (shardResult != null) result.add(shardResult);
62 shardResult = <String>[]; 62 shardResult = <String>[];
63 } 63 }
64 } 64 }
65 } 65 }
66 return result; 66 return result;
67 } 67 }
68 68
69 void help() {
70 print("Generates the 'shard_data.dart' file that is used by our gardening");
71 print("tools. This tool needs to be run when the buildbot configuration");
72 print("(shard) changes\n");
73 print('Usage: dart create_shard_groups.dart <darto-source-file>');
74 }
75
69 main(List<String> args) { 76 main(List<String> args) {
70 if (args.length != 1) { 77 if (args.length != 1 || args[0] == "--help") {
71 print('Usage: dart create_shard_groups.dart <darto-source-file>'); 78 help();
79 if (args.length == 1) return;
72 exit(1); 80 exit(1);
73 } 81 }
74 82
75 File dartoSourceFile = new File(args[0]); 83 File dartoSourceFile = new File(args[0]);
76 List<String> dartoSource = dartoSourceFile.readAsLinesSync(); 84 List<String> dartoSource = dartoSourceFile.readAsLinesSync();
77 85
78 List<String> groups = findGroups(dartoSource); 86 List<String> groups = findGroups(dartoSource);
79 List<List<String>> shards = findShards(dartoSource); 87 List<List<String>> shards = findShards(dartoSource);
80 int groupCount = math.min(groups.length, shards.length); 88 int groupCount = math.min(groups.length, shards.length);
81 89
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92 const Map<String, List<String>> shardGroups = const {"""); 100 const Map<String, List<String>> shardGroups = const {""");
93 for (int i = 0; i < groupCount; i++) { 101 for (int i = 0; i < groupCount; i++) {
94 print(" '${groups[i]}': const <String>["); 102 print(" '${groups[i]}': const <String>[");
95 for (String shard in shards[i]) { 103 for (String shard in shards[i]) {
96 print(" '$shard',"); 104 print(" '$shard',");
97 } 105 }
98 print(" ],"); 106 print(" ],");
99 } 107 }
100 print('};'); 108 print('};');
101 } 109 }
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