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fix: lookup package in correct location of Dart/Flutter cached packages (#81)

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Aleksey Kulikov 2023-02-02 15:29:31 +03:00 • committed by GitHub
parent 675872c3ef
commit ed67a4e307
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3 changed files with 38 additions and 31 deletions
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31
lib/src/util.dart
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@ -1,12 +1,13 @@
// coverage:ignore-file
import 'dart:convert';
import 'dart:ffi';
import 'dart:io';
import 'package:libgit2dart/src/bindings/libgit2_bindings.dart';
import 'package:libgit2dart/src/bindings/libgit2_opts_bindings.dart';
import 'package:path/path.dart' as path;
import 'package:pub_cache/pub_cache.dart';
import 'package:pub_semver/pub_semver.dart';
const libgit2Version = '1.5.0';
final libDir = path.join('.dart_tool', 'libgit2');
@ -25,6 +26,20 @@ String getLibName() {
return 'libgit2-$libgit2Version.$ext';
}
/// Returns location of the most recent verison of the libgit2dart package
/// contained in the cache.
String? checkCache() {
final cache = json.decode(
Process.runSync('dart', ['pub', 'cache', 'list']).stdout as String,
) as Map<String, dynamic>;
final packages = cache['packages'] as Map<String, dynamic>;
final libPackages = packages['libgit2dart'] as Map<String, dynamic>?;
final versions = libPackages?.keys.map((e) => Version.parse(e)).toList();
final latestVersion = libPackages?[Version.primary(versions!).toString()]
as Map<String, dynamic>?;
return latestVersion?['location'] as String?;
}
/// Checks if [File]/[Link] exists for [path].
bool _doesFileExist(String path) {
return File(path).existsSync() || Link(path).existsSync();
@ -65,16 +80,10 @@ String? _resolveLibPath(String name) {
}
}
String checkCache(PubCache pubCache) {
final pubCacheDir =
pubCache.getLatestVersion('libgit2dart')!.resolve()!.location;
return path.join(pubCacheDir.path, Platform.operatingSystem, name);
}
// If lib is in Flutter's '.pub_cache' folder.
final env = Platform.environment;
if (env.containsKey('FLUTTER_ROOT')) {
libPath = checkCache(PubCache());
// If lib is in '.pub_cache' folder.
final cachedLocation = checkCache();
if (cachedLocation != null) {
libPath = path.join(cachedLocation, Platform.operatingSystem, name);
if (_doesFileExist(libPath)) return libPath;
}