fix an issue where we created a temporary directory when performing a dry run (#3334)

Author: devoncarew

CHANGELOG.md

@@ -1,10 +1,12 @@
 ## 6.2.0-dev
 
-* Stop generating a null-safety badge for elements
-  in a null-safe library. (#3295)
+* Stop generating a null-safety badge for elements in a null-safe library.
+  (#3295)
 * Use a sun icon for switching to the light theme. (#3309)
 * Standardize the search icon style to a new SVG. (#3302)
 * Remove CSS classes no longer used in dartdoc generated content. (#3302)
+* Fix an issue where we created a temporary directory when performing a dry run.
+  (#3333)
 
 ## 6.1.5
 

lib/options.dart

@@ -59,6 +59,7 @@ class DartdocProgramOptionContext extends DartdocGeneratorOptionContext
       super.optionSet, super.resourceProvider)
       : super.fromDefaultContextLocation();
 
+  /// Whether to generate docs or perform a dry run.
   bool get generateDocs => optionSet['generateDocs'].valueAt(context);
   bool get help => optionSet['help'].valueAt(context);
   bool get version => optionSet['version'].valueAt(context);

lib/src/dartdoc.dart

@@ -204,9 +204,6 @@ class Dartdoc {
     var libs = packageGraph.libraryCount;
     logInfo("Initialized dartdoc with $libs librar${libs == 1 ? 'y' : 'ies'}");
 
-    // Create the out directory.
-    if (!_outputDir.exists) _outputDir.create();
-
     runtimeStats.startPerfTask('generator.generate');
     await generator.generate(packageGraph);
     runtimeStats.endPerfTask();