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Fix ArcanistSingleLintEngine for deleted paths
Summary: Currently, ArcanisSingleLintEngine lints deleted paths and directories. These are sometimes appropriate, but SingleLintEngine is a less-sophisticated linter and should have more safe defaults. Also fix an error where JSHint reported useless messages on failure. Test Plan: Reproduced the problem: $ git show commit d71efe2b13770c8861bcd3415c15503fc377339f Author: epriestley <git@epriestley.com> Date: Fri Oct 19 12:22:50 2012 -0700 WIP diff --git a/test.js b/test.js deleted file mode 100644 index 8bd6648..0000000 --- a/test.js +++ /dev/null @@ -1 +0,0 @@ -asdf $ arc set-config --local lint.engine.single.linter ArcanistJSHintLinter Set key 'lint.engine.single.linter' = "ArcanistJSHintLinter" in local config (was null). $ arc lint --engine ArcanistSingleLintEngine --rev HEAD^ Usage Exception: JSHint returned output we can't parse. Check that your JSHint installation. Output: Applied the error message fix: $ arc lint --engine ArcanistSingleLintEngine --rev HEAD^ Usage Exception: JSHint returned unparseable output. stdout: stderr: node.js:181 throw e; // process.nextTick error, or 'error' event on first tick ^ Error: ENOENT, No such file or directory '/INSECURE/repos/git-working-copy/test.js' at Object.statSync (fs.js:400:18) at _collect (/usr/lib/node_modules/jshint/lib/hint.js:77:12) at /usr/lib/node_modules/jshint/lib/hint.js:93:13 at Array.forEach (native) at Object.hint (/usr/lib/node_modules/jshint/lib/hint.js:92:17) at Object.interpret (/usr/lib/node_modules/jshint/lib/cli.js:137:21) at Object.<anonymous> (/usr/lib/node_modules/jshint/bin/hint:2:25) at Module._compile (module.js:420:26) at Object..js (module.js:426:10) at Module.load (module.js:336:31) Applied the remove paths fix: $ arc lint --engine ArcanistSingleLintEngine --rev HEAD^ Usage Exception: No paths are lintable. Reviewers: magazovski, btrahan, vrana Reviewed By: btrahan CC: aran, Korvin, vissi Differential Revision: https://secure.phabricator.com/D3735
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2 changed files with 25 additions and 5 deletions
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@ -50,8 +50,28 @@ final class ArcanistSingleLintEngine extends ArcanistLintEngine {
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"ArcanistLinter.");
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}
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// Filter the affected paths.
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$paths = $this->getPaths();
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foreach ($paths as $key => $path) {
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if (!$this->pathExists($path)) {
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// Don't lint removed files. In more complex linters it is sometimes
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// appropriate to lint removed files so you can raise a warning like
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// "you deleted X, but forgot to delete Y!", but most linters do not
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// operate correctly on removed files.
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unset($paths[$key]);
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continue;
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}
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$disk = $this->getFilePathOnDisk($path);
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if (is_dir($disk)) {
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// Don't lint directories. (In SVN, they can be directly modified by
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// changing properties on them, and may appear as modified paths.)
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unset($paths[$key]);
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continue;
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}
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}
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$linter = newv($linter_name, array());
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foreach ($this->getPaths() as $path) {
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foreach ($paths as $path) {
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$linter->addPath($path);
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}
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@ -145,7 +145,7 @@ final class ArcanistJSHintLinter extends ArcanistLinter {
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}
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public function lintPath($path) {
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list($rc, $stdout) = $this->results[$path];
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list($rc, $stdout, $stderr) = $this->results[$path];
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if ($rc === 0) {
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return;
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@ -155,9 +155,9 @@ final class ArcanistJSHintLinter extends ArcanistLinter {
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if (!is_array($errors)) {
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// Something went wrong and we can't decode the output. Exit abnormally.
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throw new ArcanistUsageException(
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"JSHint returned output we can't parse. Check that your JSHint installation.\n".
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"Output:\n".
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$stdout);
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"JSHint returned unparseable output.\n".
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"stdout:\n\n{$stdout}".
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"stderr:\n\n{$stderr}");
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}
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foreach ($errors as $err) {
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