Implemented docsetutil path command line and global setting.

Application/GBAppledocApplication.m

@@ -19,6 +19,7 @@
 static NSString *kGBArgOutputPath = @"output";
 static NSString *kGBArgTemplatesPath = @"templates";
 static NSString *kGBArgDocSetInstallPath = @"docset-install-path";
+static NSString *kGBArgDocSetUtilPath = @"docsetutil-path";
 static NSString *kGBArgIgnorePath = @"ignore";
 
 static NSString *kGBArgProjectName = @"project-name";
@@ -167,6 +168,7 @@ - (void)application:(DDCliApplication *)app willParseOptions:(DDGetoptLongParser
 		{ kGBArgTemplatesPath,												't',	DDGetoptRequiredArgument },
 		{ kGBArgIgnorePath,													'i',	DDGetoptRequiredArgument },
 		{ kGBArgDocSetInstallPath,											0,		DDGetoptRequiredArgument },
+		{ kGBArgDocSetUtilPath,												0,		DDGetoptRequiredArgument },
 
 		{ kGBArgProjectName,												'p',	DDGetoptRequiredArgument },
 		{ kGBArgProjectVersion,												'v',	DDGetoptRequiredArgument },
@@ -368,6 +370,7 @@ - (NSString *)description {
 - (void)setOutput:(NSString *)path { self.settings.outputPath = path; }
 - (void)setTemplates:(NSString *)path { self.settings.templatesPath = path; }
 - (void)setDocsetInstallPath:(NSString *)path { self.settings.docsetInstallPath = path; }
+- (void)setDocsetutilPath:(NSString *)path { self.settings.docsetUtilPath = path; }
 - (void)setIgnore:(NSString *)path {
 	if ([path hasPrefix:@"*"]) path = [path substringFromIndex:1];
 	[self.settings.ignoredPaths addObject:path];

Application/GBApplicationSettingsProvider.m

@@ -48,6 +48,7 @@ - (id)init {
 		self.outputPath = @"";
 		self.templatesPath = nil;
 		self.docsetInstallPath = [NSHomeDirectory() stringByAppendingPathComponent:@"Library/Developer/Shared/Documentation/DocSets"];
+		self.docsetUtilPath = @"/Developer/usr/bin/docsetutil";
 		self.ignoredPaths = [NSMutableSet set];
 
 		self.createHTML = YES;
@@ -290,10 +291,9 @@ - (NSString *)description {
 
 @synthesize outputPath;
 @synthesize docsetInstallPath;
+@synthesize docsetUtilPath;
 @synthesize templatesPath;
 @synthesize ignoredPaths;
-@synthesize commentComponents;
-@synthesize stringTemplates;
 
 @synthesize docsetBundleIdentifier;
 @synthesize docsetBundleName;
@@ -324,4 +324,7 @@ - (NSString *)description {
 @synthesize warnOnUndocumentedObject;
 @synthesize warnOnUndocumentedMember;
 
+@synthesize commentComponents;
+@synthesize stringTemplates;
+
 @end

Application/GBApplicationSettingsProviding.h

@@ -90,6 +90,9 @@
 /** The path to which documentation set is to be installed. */
 @property (copy) NSString *docsetInstallPath;
 
+/** The path to `docsetutil` tool, including tool filename. */
+@property (copy) NSString *docsetUtilPath;
+
 /** The list of all full or partial paths to be ignored. 
  
  It's recommended to check if a path string ends with any of the given paths before processing it. This should catch directory and file names properly as directories are processed first.

Generating/GBDocSetOutputGenerator.m

@@ -180,7 +180,7 @@ - (BOOL)indexDocSet:(NSError **)error {
 	GBTask *task = [GBTask task];
 	task.reportIndividualLines = YES;
 	NSArray *args = [NSArray arrayWithObjects:@"index", [self.outputUserPath stringByStandardizingPath], nil];
-	BOOL result = [task runCommand:@"/Developer/usr/bin/docsetutil" arguments:args block:^(NSString *output, NSString *error) {
+	BOOL result = [task runCommand:self.settings.docsetUtilPath arguments:args block:^(NSString *output, NSString *error) {
 		if (output) GBLogDebug(@"> %@", [output stringByTrimmingWhitespaceAndNewLine]);
 		if (error) GBLogError(@"!> %@", [error stringByTrimmingWhitespaceAndNewLine]);
 	}];

Testing/GBApplicationTesting.m

@@ -42,6 +42,13 @@ - (void)testDocsetInstallPath_shouldAssignValueToSettings {
 	assertThat(settings.docsetInstallPath, is(@"path"));
 }
 
+- (void)testDocsetUtilPath_shouldAssignValueToSettings {
+	// setup & execute
+	GBApplicationSettingsProvider *settings = [self settingsByRunningWithArgs:@"--docsetutil-path", @"path", nil];
+	// verify
+	assertThat(settings.docsetUtilPath, is(@"path"));
+}
+
 - (void)testIgnore_shouldAssignValueToSettings {
 	// setup & execute
 	GBApplicationSettingsProvider *settings = [self settingsByRunningWithArgs:@"--ignore", @"path", nil];