44
55import 'dart:io' ;
66
7- import 'package:path/path.dart' as pathos ;
7+ import 'package:path/path.dart' as path ;
88
99/// Returns a path to the directory containing source code for packages such as
1010/// kernel, front_end, and analyzer.
1111String get packageRoot {
1212 // If the package root directory is specified on the command line using
13- // -DpkgRoot=..., use it .
13+ // ` -DpkgRoot=...` , use that .
1414 const pkgRootVar =
1515 bool .hasEnvironment ('pkgRoot' ) ? String .fromEnvironment ('pkgRoot' ) : null ;
1616 if (pkgRootVar != null ) {
17- var path = pathos .join (Directory .current.path, pkgRootVar);
18- if (! path .endsWith (pathos .separator)) path += pathos .separator;
19- return path ;
17+ var pkgRootPath = path .join (Directory .current.path, pkgRootVar);
18+ if (! pkgRootPath .endsWith (path .separator)) pkgRootPath += path .separator;
19+ return pkgRootPath ;
2020 }
2121 // Otherwise try to guess based on the script path.
22- var scriptPath = pathos .fromUri (Platform .script);
22+ var scriptPath = path .fromUri (Platform .script);
2323 var pathFromScript = _tryGetPkgRoot (scriptPath);
2424 if (pathFromScript != null ) {
2525 return pathFromScript;
2626 }
2727
28- // Try google3 environment. We expect that all packages that will be
28+ // Try a Bazel environment. We expect that all packages that will be
2929 // accessed via this root are configured in the BUILD file, and located
3030 // inside this single root.
3131 var runFiles = Platform .environment['TEST_SRCDIR' ];
3232 var analyzerPackagesRoot = Platform .environment['ANALYZER_PACKAGES_ROOT' ];
3333 if (runFiles != null && analyzerPackagesRoot != null ) {
34- return pathos .join (runFiles, analyzerPackagesRoot);
34+ return path .join (runFiles, analyzerPackagesRoot);
3535 }
3636
3737 // Finally, try the current working directory.
@@ -43,12 +43,12 @@ String get packageRoot {
4343 throw StateError ('Unable to find sdk/pkg/ in $scriptPath ' );
4444}
4545
46- /// Try to find the path to the pkg folder from [path ] .
47- String ? _tryGetPkgRoot (String path ) {
48- var parts = pathos .split (path );
46+ /// Tries to find the path to the ' pkg' folder from [searchPath ] .
47+ String ? _tryGetPkgRoot (String searchPath ) {
48+ var parts = path .split (searchPath );
4949 var pkgIndex = parts.indexOf ('pkg' );
5050 if (pkgIndex != - 1 ) {
51- return pathos .joinAll (parts.sublist (0 , pkgIndex + 1 )) + pathos .separator;
51+ return path .joinAll (parts.sublist (0 , pkgIndex + 1 )) + path .separator;
5252 }
5353 return null ;
5454}
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