51 lines
1.5 KiB
Dart
51 lines
1.5 KiB
Dart
// Copyright 2014 The Flutter Authors. All rights reserved.
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// Use of this source code is governed by a BSD-style license that can be
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// found in the LICENSE file.
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import 'dart:convert';
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import 'dart:io' as io;
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import 'package:args/args.dart';
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final ArgParser _argParser = ArgParser()
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..addOption(
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'since',
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help: 'What previous SHA to compare the current git state to.',
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defaultsTo: 'HEAD^',
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)
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..addOption(
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'output',
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help: 'What format to output in.',
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defaultsTo: io.stdout.hasTerminal ? 'text' : 'json',
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allowed: <String>['text', 'json'],
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);
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void main(List<String> args) async {
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final ArgResults argResults = _argParser.parse(args);
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// Get a list of files changed between this commit and the base SHA.
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final List<String> filesChanged;
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{
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final args = <String>['diff', '--name-only', '--full-index', argResults.option('since')!];
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final io.ProcessResult git = await io.Process.run('git', args);
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if (git.exitCode != 0) {
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io.stderr.writeln('$args failed (exit code: ${git.exitCode}):');
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io.stderr.writeln(git.stdout);
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io.stderr.writeln(git.stderr);
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io.exitCode = 1;
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return;
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}
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final stdout = git.stdout as String;
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filesChanged = const LineSplitter().convert(stdout);
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}
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// Output to stdout.
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final _Output output = _Output.values.byName(argResults.option('output')!);
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io.stdout.writeln(switch (output) {
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_Output.text => filesChanged.join('\n'),
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_Output.json => jsonEncode(filesChanged),
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});
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}
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enum _Output { text, json }
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