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[flutter_plugin_tool] Allow re-pathifying dependencies (#5376)

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stuartmorgan
2022-04-26 16:39:09 -04:00
committed by GitHub
parent 0d2567922b
commit 88829b67ac
3 changed files with 81 additions and 15 deletions
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45
script/tool/lib/src/make_deps_path_based_command.dart
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@ -16,6 +16,8 @@ import 'common/plugin_command.dart';
const int _exitPackageNotFound = 3;
const int _exitCannotUpdatePubspec = 4;
enum _RewriteOutcome { changed, noChangesNeeded, alreadyChanged }
/// Converts all dependencies on target packages to path-based dependencies.
///
/// This is to allow for pre-publish testing of changes that could affect other
@ -48,6 +50,10 @@ class MakeDepsPathBasedCommand extends PluginCommand {
static const String _targetDependenciesWithNonBreakingUpdatesArg =
'target-dependencies-with-non-breaking-updates';
// The comment to add to temporary dependency overrides.
static const String _dependencyOverrideWarningComment =
'# FOR TESTING ONLY. DO NOT MERGE.';
@override
final String name = 'make-deps-path-based';
@ -73,12 +79,19 @@ class MakeDepsPathBasedCommand extends PluginCommand {
final String repoRootPath = (await gitDir).path;
for (final File pubspec in await _getAllPubspecs()) {
if (await _addDependencyOverridesIfNecessary(
pubspec, localDependencyPackages)) {
// Print the relative path of the changed pubspec.
final String displayPath = p.posix.joinAll(path
.split(path.relative(pubspec.absolute.path, from: repoRootPath)));
print(' Modified $displayPath');
final String displayPath = p.posix.joinAll(
path.split(path.relative(pubspec.absolute.path, from: repoRootPath)));
final _RewriteOutcome outcome = await _addDependencyOverridesIfNecessary(
pubspec, localDependencyPackages);
switch (outcome) {
case _RewriteOutcome.changed:
print(' Modified $displayPath');
break;
case _RewriteOutcome.alreadyChanged:
print(' Skipped $displayPath - Already rewritten');
break;
case _RewriteOutcome.noChangesNeeded:
break;
}
}
}
@ -125,16 +138,18 @@ class MakeDepsPathBasedCommand extends PluginCommand {
/// If [pubspecFile] has any dependencies on packages in [localDependencies],
/// adds dependency_overrides entries to redirect them to the local version
/// using path-based dependencies.
///
/// Returns true if any changes were made.
Future<bool> _addDependencyOverridesIfNecessary(File pubspecFile,
Future<_RewriteOutcome> _addDependencyOverridesIfNecessary(File pubspecFile,
Map<String, RepositoryPackage> localDependencies) async {
final String pubspecContents = pubspecFile.readAsStringSync();
final Pubspec pubspec = Pubspec.parse(pubspecContents);
// Fail if there are any dependency overrides already. If support for that
// is needed at some point, it can be added, but currently it's not and
// relying on that makes the logic here much simpler.
// Fail if there are any dependency overrides already, other than ones
// created by this script. If support for that is needed at some point, it
// can be added, but currently it's not and relying on that makes the logic
// here much simpler.
if (pubspec.dependencyOverrides.isNotEmpty) {
if (pubspecContents.contains(_dependencyOverrideWarningComment)) {
return _RewriteOutcome.alreadyChanged;
}
printError(
'Plugins with dependency overrides are not currently supported.');
throw ToolExit(_exitCannotUpdatePubspec);
@ -158,7 +173,7 @@ class MakeDepsPathBasedCommand extends PluginCommand {
String newPubspecContents = pubspecContents +
'''
# FOR TESTING ONLY. DO NOT MERGE.
$_dependencyOverrideWarningComment
dependency_overrides:
''';
for (final String packageName in packagesToOverride) {
@ -175,9 +190,9 @@ dependency_overrides:
''';
}
pubspecFile.writeAsStringSync(newPubspecContents);
return true;
return _RewriteOutcome.changed;
}
return false;
return _RewriteOutcome.noChangesNeeded;
}
/// Returns all pubspecs anywhere under the packages directory.