From: Mikko Rasa <tdb@tdb.fi>
Date: Sun, 18 Dec 2022 18:16:38 +0000 (+0200)
Subject: Improve help output for the local package
X-Git-Url: http://git.tdb.fi/?a=commitdiff_plain;h=ab1c7f6580c80b7f02ffc8a01199463fc881488b;p=builder.git

Improve help output for the local package

Only output the required packages list if anything is required, and
output an overall header before the package-specific section.
---

diff --git a/source/buildercli.cpp b/source/buildercli.cpp
index 0a84364..c7a2817 100644
--- a/source/buildercli.cpp
+++ b/source/buildercli.cpp
@@ -359,16 +359,22 @@ void BuilderCLI::package_help()
 	SourcePackage &main_pkg = dynamic_cast<SourcePackage &>(package_manager.get_main_package());
 	const Config &config = main_pkg.get_config();
 	const Config::OptionMap &options = config.get_options();
-
-	IO::print("\nRequired packages:\n  ");
 	const Package::Requirements &requires = main_pkg.get_required_packages();
-	for(Package::Requirements::const_iterator i=requires.begin(); i!=requires.end(); ++i)
+
+	if(!requires.empty() || !options.empty())
+		IO::print("\nHelp for package %s:\n", main_pkg.get_name());
+
+	if(!requires.empty())
 	{
-		if(i!=requires.begin())
-			IO::print(", ");
-		IO::print((*i)->get_name());
+		IO::print("\nRequired packages:\n  ");
+		for(Package::Requirements::const_iterator i=requires.begin(); i!=requires.end(); ++i)
+		{
+			if(i!=requires.begin())
+				IO::print(", ");
+			IO::print((*i)->get_name());
+		}
+		IO::print("\n");
 	}
-	IO::print("\n");
 
 	if(!options.empty())
 	{