From 2aae55cb5f5cb12fc9788de26a5d264288f39b93 Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?Ce=CC=81dric=20Luthi?= <cedric.luthi@gmail.com>
Date: Fri, 4 Oct 2013 11:33:39 +0200
Subject: [PATCH] Add the `write-build-setting` action

---
 DevToolsCore/PBXTarget.h |  2 ++
 README.md                |  3 +++
 Sources/Xcproj.m         | 16 +++++++++++++++-
 3 files changed, 20 insertions(+), 1 deletion(-)

diff --git a/DevToolsCore/PBXTarget.h b/DevToolsCore/PBXTarget.h
index 4fb447a..4026b48 100644
--- a/DevToolsCore/PBXTarget.h
+++ b/DevToolsCore/PBXTarget.h
@@ -9,6 +9,8 @@
 
 - (NSString *) expandedValueForString:(NSString *)string forBuildParameters:(id)buildParameters;
 
+- (void)setBuildSetting:(id)buildSetting forKeyPath:(NSString *)keyPath;
+
 - (id<PBXBuildPhase>) buildPhaseOfClass:(Class)buildPhaseClass;
 - (void) addBuildPhase:(id<PBXBuildPhase>)buildPhase;
 - (id<PBXBuildPhase>) defaultFrameworksBuildPhase;
diff --git a/README.md b/README.md
index fd58fc2..871b1e7 100644
--- a/README.md
+++ b/README.md
@@ -45,6 +45,9 @@ Actions:
  * read-build-setting <build_setting>
      Evaluate a build setting and print its value. If the build setting does not exist, nothing is printed
 
+ * write-build-setting <build_setting> <value>
+     Assign a value to a build setting. If the build setting does not exist, it is added to the target
+
  * add-xcconfig <xcconfig_path>
      Add an xcconfig file to the project and base all configurations on it
 
diff --git a/Sources/Xcproj.m b/Sources/Xcproj.m
index 31a2de5..b934083 100644
--- a/Sources/Xcproj.m
+++ b/Sources/Xcproj.m
@@ -274,7 +274,7 @@ - (int) application:(DDCliApplication *)app runWithArguments:(NSArray *)argument
 
 - (NSArray *) allowedActions
 {
-	return [NSArray arrayWithObjects:@"list-targets", @"list-headers", @"read-build-setting", @"add-xcconfig", @"add-resources-bundle", @"touch", nil];
+	return [NSArray arrayWithObjects:@"list-targets", @"list-headers", @"read-build-setting", @"write-build-setting", @"add-xcconfig", @"add-resources-bundle", @"touch", nil];
 }
 
 - (void) printUsage:(int)exitCode
@@ -292,6 +292,8 @@ - (void) printUsage:(int)exitCode
 	         @"     List headers from the `Copy Headers` build phase\n\n"
 	         @" * read-build-setting <build_setting>\n"
 	         @"     Evaluate a build setting and print its value. If the build setting does not exist, nothing is printed\n\n"
+	         @" * write-build-setting <build_setting> <value>\n"
+	         @"     Assign a value to a build setting. If the build setting does not exist, it is added to the target\n\n"
 	         @" * add-xcconfig <xcconfig_path>\n"
 	         @"     Add an xcconfig file to the project and base all configurations on it\n\n"
 	         @" * add-resources-bundle <bundle_path>\n"
@@ -350,6 +352,18 @@ - (int) readBuildSetting:(NSArray *)arguments
 	return EX_OK;
 }
 
+- (int) writeBuildSetting:(NSArray *)arguments
+{
+	if ([arguments count] != 2)
+		[self printUsage:EX_USAGE];
+	
+	NSString *buildSetting = arguments[0];
+	NSString *value = arguments[1];
+	[_target setBuildSetting:value forKeyPath:buildSetting];
+	
+	return [self writeProject];
+}
+
 - (int) writeProject
 {
 	BOOL written = [_project writeToFileSystemProjectFile:YES userFile:NO checkNeedsRevert:NO];