[GitHub] [maven] MartinKanters commented on a change in pull request #463: Extend mvn help text for various features of Maven 4.0.0

[GitBox <gi...@apache.org>]

MartinKanters commented on a change in pull request #463:
URL: https://github.com/apache/maven/pull/463#discussion_r606258893



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File path: maven-embedder/src/main/java/org/apache/maven/cli/CLIManager.java
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@@ -121,11 +121,11 @@ public CLIManager()
         options.addOption( Option.builder( Character.toString( QUIET ) ).longOpt( "quiet" ).desc( "Quiet output - only show errors" ).build() );
         options.addOption( Option.builder( Character.toString( DEBUG ) ).longOpt( "debug" ).desc( "Produce execution debug output" ).build() );
         options.addOption( Option.builder( Character.toString( ERRORS ) ).longOpt( "errors" ).desc( "Produce execution error messages" ).build() );
-        options.addOption( Option.builder( Character.toString( NON_RECURSIVE ) ).longOpt( "non-recursive" ).desc( "Do not recurse into sub-projects" ).build() );
+        options.addOption( Option.builder( Character.toString( NON_RECURSIVE ) ).longOpt( "non-recursive" ).desc( "Do not recurse into sub-projects. When used together with -pl, do not recurse into sub-projects of selected aggregators" ).build() );
         options.addOption( Option.builder( Character.toString( UPDATE_SNAPSHOTS ) ).longOpt( "update-snapshots" ).desc( "Forces a check for missing releases and updated snapshots on remote repositories" ).build() );
-        options.addOption( Option.builder( Character.toString( ACTIVATE_PROFILES ) ).longOpt( "activate-profiles" ).desc( "Comma-delimited list of profiles to activate" ).hasArg().build() );
+        options.addOption( Option.builder( Character.toString( ACTIVATE_PROFILES ) ).longOpt( "activate-profiles" ).desc( "Comma-delimited list of profiles to activate. Prefixing a profile with ! excludes it, and ? marks it as optional" ).hasArg().build() );

Review comment:
       We strived for conciseness, as this text is now already four lines long (for profiles already seven, which makes it the longest option in mvn help by far). By writing out the symbols in full, this will increase even further. Are you sure you want this?




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