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<title>[37185] trunk: Build/Test Tools: Better git/svn detection</title>
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<dt style="float: left; width: 6em; font-weight: bold">Revision</dt> <dd><a style="font-weight: bold" href="https://core.trac.wordpress.org/changeset/37185">37185</a><script type="application/ld+json">{"@context":"http://schema.org","@type":"EmailMessage","description":"Review this Commit","action":{"@type":"ViewAction","url":"https://core.trac.wordpress.org/changeset/37185","name":"Review Commit"}}</script></dd>
<dt style="float: left; width: 6em; font-weight: bold">Author</dt> <dd>iseulde</dd>
<dt style="float: left; width: 6em; font-weight: bold">Date</dt> <dd>2016-04-12 22:33:18 +0000 (Tue, 12 Apr 2016)</dd>
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<pre style='padding-left: 1em; margin: 2em 0; border-left: 2px solid #ccc; line-height: 1.25; font-size: 105%; font-family: sans-serif'>Build/Test Tools: Better git/svn detection

Prevent tasks from running twice in parallel 
if both .svn and .git directories are present.

Add `--ignore-externals` to `svn status`
and replace `git diff --name-only` with `git status --short`.

Merge some duplicate code.

Fixes <a href="https://core.trac.wordpress.org/ticket/36394">#36394</a>.
See <a href="https://core.trac.wordpress.org/ticket/35557">#35557</a>.
See <a href="https://core.trac.wordpress.org/changeset/36906">[36906]</a>.</pre>

<h3>Modified Paths</h3>
<ul>
<li><a href="#trunkGruntfilejs">trunk/Gruntfile.js</a></li>
<li><a href="#trunkpackagejson">trunk/package.json</a></li>
</ul>

</div>
<div id="patch">
<h3>Diff</h3>
<a id="trunkGruntfilejs"></a>
<div class="modfile"><h4 style="background-color: #eee; color: inherit; margin: 1em 0; padding: 1.3em; font-size: 115%">Modified: trunk/Gruntfile.js</h4>
<pre class="diff"><span>
<span class="info" style="display: block; padding: 0 10px; color: #888">--- trunk/Gruntfile.js        2016-04-12 20:36:31 UTC (rev 37184)
+++ trunk/Gruntfile.js  2016-04-12 22:33:18 UTC (rev 37185)
</span><span class="lines" style="display: block; padding: 0 10px; color: #888">@@ -1,7 +1,7 @@
</span><span class="cx" style="display: block; padding: 0 10px"> /* jshint node:true */
</span><span class="cx" style="display: block; padding: 0 10px"> module.exports = function(grunt) {
</span><span class="cx" style="display: block; padding: 0 10px">        var path = require('path'),
</span><del style="background-color: #fdd; text-decoration:none; display:block; padding: 0 10px">-                gitorsvn = require('git-or-svn'),
</del><ins style="background-color: #dfd; text-decoration:none; display:block; padding: 0 10px">+         fs = require( 'fs' ),
</ins><span class="cx" style="display: block; padding: 0 10px">                 SOURCE_DIR = 'src/',
</span><span class="cx" style="display: block; padding: 0 10px">                BUILD_DIR = 'build/',
</span><span class="cx" style="display: block; padding: 0 10px">                autoprefixer = require('autoprefixer'),
</span><span class="lines" style="display: block; padding: 0 10px; color: #888">@@ -689,58 +689,55 @@
</span><span class="cx" style="display: block; padding: 0 10px"> 
</span><span class="cx" style="display: block; padding: 0 10px">        grunt.registerTask( 'precommit', 'Runs test and build tasks in preparation for a commit', function() {
</span><span class="cx" style="display: block; padding: 0 10px">                var done = this.async();
</span><ins style="background-color: #dfd; text-decoration:none; display:block; padding: 0 10px">+                var map = {
+                       svn: 'svn status --ignore-externals',
+                       git: 'git status --short'
+               };
</ins><span class="cx" style="display: block; padding: 0 10px"> 
</span><del style="background-color: #fdd; text-decoration:none; display:block; padding: 0 10px">-                // Figure out what tasks to run based on what files have been modified.
-               function enqueueTestingTasksForModifiedFiles( filesModified ) {
-                       var taskList = ['precommit:base'];
-                       if ( /.*\.js/.test( filesModified ) ) {
-                               grunt.log.write( 'JavaScript source files modified. JavaScript tests will be run.\n');
-                               taskList = taskList.concat( ['precommit:js'] );
</del><ins style="background-color: #dfd; text-decoration:none; display:block; padding: 0 10px">+         find( [
+                       __dirname + '/.svn',
+                       __dirname + '/.git',
+                       path.dirname( __dirname ) + '/.svn'
+               ] );
+
+               function find( set ) {
+                       var dir;
+
+                       if ( set.length ) {
+                               fs.stat( dir = set.shift(), function( error ) {
+                                       error ? find( set ) : run( path.basename( dir ).substr( 1 ) );
+                               } );
+                       } else {
+                               grunt.fatal( 'This WordPress install is not under version control.' );
</ins><span class="cx" style="display: block; padding: 0 10px">                         }
</span><del style="background-color: #fdd; text-decoration:none; display:block; padding: 0 10px">-                        if ( /src.*\.css/.test( filesModified ) ) {
-                               grunt.log.write( 'CSS source files modified. CSS tests will be run.\n');
-                               taskList = taskList.concat( ['postcss:core'] );
-                       }
-                       if ( /.*\.php/.test( filesModified ) ) {
-                               grunt.log.write( 'PHP source files modified. PHP tests will be run.\n');
-                               taskList = taskList.concat( ['precommit:php'] );
-                       }
-                       grunt.task.run( taskList );
-                       done();
</del><span class="cx" style="display: block; padding: 0 10px">                 }
</span><del style="background-color: #fdd; text-decoration:none; display:block; padding: 0 10px">-                gitorsvn( __dirname, function(gitorsvn) {
-                       if ( gitorsvn === 'svn' ) {
-                               grunt.util.spawn(
-                                       {
-                                               cmd: 'svn',
-                                               args: ['status']
-                                       },
-                                       function(error, result, code) {
-                                               if ( code !== 0 ) {
-                                                       grunt.fail.warn( 'The `svn status` command returned a non-zero exit code.', code );
-                                               }
-                                               enqueueTestingTasksForModifiedFiles( result.stdout );
</del><ins style="background-color: #dfd; text-decoration:none; display:block; padding: 0 10px">+
+               function run( type ) {
+                       var command = map[ type ].split( ' ' );
+                       var taskList = [ 'precommit:base' ];
+
+                       grunt.util.spawn( {
+                               cmd: command.shift(),
+                               args: command
+                       }, function( error, result, code ) {
+                               if ( code !== 0 ) {
+                                       grunt.fatal( 'The `' +  map[ type ] + '` command returned a non-zero exit code.', code );
+                               }
+
+                               [ 'js', 'css', 'php' ].forEach( function( extension ) {
+                                       if ( ( result.stdout + '\n' ).indexOf( '.' + extension + '\n' ) !== -1 ) {
+                                               grunt.log.writeln( extension.toUpperCase() + ' files modified. ' + extension.toUpperCase() + ' tests will be run.');
+                                               taskList.push( 'precommit:' + extension );
</ins><span class="cx" style="display: block; padding: 0 10px">                                         }
</span><del style="background-color: #fdd; text-decoration:none; display:block; padding: 0 10px">-                                );
-                       } else if ( gitorsvn === 'git' ) {
-                               grunt.util.spawn(
-                                       {
-                                               cmd: 'git',
-                                               args: ['diff', '--name-only']
-                                       },
-                                       function(error, result, code) {
-                                               if ( code !== 0 ) {
-                                                       grunt.fail.warn( 'The `git diff --name-only` command returned a non-zero exit code.', code );
-                                               }
-                                               enqueueTestingTasksForModifiedFiles( result.stdout );
-                                       }
-                               );
-                       } else {
-                               grunt.log.write( 'This WordPress install is not under version control. No tests will be run.' );
-                       }
-               });
-       });
</del><ins style="background-color: #dfd; text-decoration:none; display:block; padding: 0 10px">+                         } );
</ins><span class="cx" style="display: block; padding: 0 10px"> 
</span><ins style="background-color: #dfd; text-decoration:none; display:block; padding: 0 10px">+                                grunt.task.run( taskList );
+
+                               done();
+                       } );
+               }
+       } );
+
</ins><span class="cx" style="display: block; padding: 0 10px">         grunt.registerTask( 'copy:all', [
</span><span class="cx" style="display: block; padding: 0 10px">                'copy:files',
</span><span class="cx" style="display: block; padding: 0 10px">                'copy:wp-admin-css-compat-rtl',
</span></span></pre></div>
<a id="trunkpackagejson"></a>
<div class="modfile"><h4 style="background-color: #eee; color: inherit; margin: 1em 0; padding: 1.3em; font-size: 115%">Modified: trunk/package.json</h4>
<pre class="diff"><span>
<span class="info" style="display: block; padding: 0 10px; color: #888">--- trunk/package.json        2016-04-12 20:36:31 UTC (rev 37184)
+++ trunk/package.json  2016-04-12 22:33:18 UTC (rev 37185)
</span><span class="lines" style="display: block; padding: 0 10px; color: #888">@@ -10,7 +10,6 @@
</span><span class="cx" style="display: block; padding: 0 10px">   "license": "GPL-2.0+",
</span><span class="cx" style="display: block; padding: 0 10px">   "devDependencies": {
</span><span class="cx" style="display: block; padding: 0 10px">     "autoprefixer": "~6.3.3",
</span><del style="background-color: #fdd; text-decoration:none; display:block; padding: 0 10px">-    "git-or-svn": "~0.1.0",
</del><span class="cx" style="display: block; padding: 0 10px">     "grunt": "~0.4.5",
</span><span class="cx" style="display: block; padding: 0 10px">     "grunt-browserify": "~5.0.0",
</span><span class="cx" style="display: block; padding: 0 10px">     "grunt-contrib-clean": "~1.0.0",
</span></span></pre>
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