From f7fda8ca8841552b54ce72ed8ca9156cc09368d0 Mon Sep 17 00:00:00 2001
From: Bent Bisballe Nyeng <deva@aasimon.org>
Date: Sun, 12 Sep 2021 13:53:36 +0200
Subject: Don't run default build if listing arguments are present.

---
 src/libctor.cc | 8 +++++++-
 1 file changed, 7 insertions(+), 1 deletion(-)

diff --git a/src/libctor.cc b/src/libctor.cc
index 9860440..c7a7400 100644
--- a/src/libctor.cc
+++ b/src/libctor.cc
@@ -42,6 +42,7 @@ int main(int argc, char* argv[])
 	bool print_configure_db{false};
 	std::vector<std::string> add_files;
 	std::vector<std::string> remove_files;
+	bool no_default_build{false}; // set to true to prevent empty arg list building 'all' target.
 	bool list_files{false};
 	bool list_targets{false};
 	bool no_relaunch{false}; // true means no re-launch after rebuild.
@@ -165,6 +166,7 @@ Options:
 
 	if(list_files)
 	{
+		no_default_build = true;
 		std::set<std::string> files;
 		for(std::size_t i = 0; i < numConfigFiles; ++i)
 		{
@@ -179,6 +181,7 @@ Options:
 
 	if(!add_files.empty() || !remove_files.empty())
 	{
+		no_default_build = true;
 		for(const auto& add_file : add_files)
 		{
 			reg(add_file.data(), [](){ return std::vector<BuildConfiguration>{};});
@@ -202,6 +205,7 @@ Options:
 
 	if(list_targets)
 	{
+		no_default_build = true;
 		for(const auto& task : all_tasks)
 		{
 			if(task->targetType() != TargetType::Object)
@@ -238,11 +242,13 @@ Options:
 
 	if(print_configure_cmd)
 	{
+		no_default_build = true;
 		std::cout << getConfiguration("cmd") << "\n";
 	}
 
 	if(print_configure_db)
 	{
+		no_default_build = true;
 		const auto& c = configuration();
 		for(const auto& config : c)
 		{
@@ -258,7 +264,7 @@ Options:
 		}
 	}
 
-	bool build_all{true};
+	bool build_all{!no_default_build};
 	for(const auto& arg : opt.arguments())
 	{
 		if(arg == "configure")
-- 
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