better handling of deleted files and folders

Author: dmolsen

core/lib/PatternLab/Builder.php

@@ -214,7 +214,12 @@ protected function generateMainPages() {
 		$styleGuideHead = $this->mv->render($this->mainPageHead,$sd);
 		$styleGuideFoot = $this->mv->render($this->mainPageFoot,$sd);
 		$styleGuidePage = $styleGuideHead.$this->mfs->render('viewall',$sd).$styleGuideFoot;
-		file_put_contents($this->pd."/styleguide/html/styleguide.html",$styleGuidePage);
+		
+		if (!file_exists($this->pd."/styleguide/html/styleguide.html")) {
+			print "ERROR: the main style guide wasn't written out. make sure public/styleguide exists. can copy core/styleguide\n";
+		} else {
+			file_put_contents($this->pd."/styleguide/html/styleguide.html",$styleGuidePage);
+		}
 
 	}
 
@@ -223,6 +228,11 @@ protected function generateMainPages() {
 	*/
 	protected function generatePatterns() {
 
+		// make sure patterns exists
+		if (!is_dir($this->pd."/patterns")) {
+			mkdir($this->pd."/patterns");
+		}
+		
 		// make sure the pattern header & footer are added
 		$this->addPatternHF = true;
 
@@ -1172,21 +1182,25 @@ protected function updateChangeTime() {
 	*/
 	protected function cleanPublic() {
 
-		// find all of the patterns in public/. sort by the children first
-		$objects = new \RecursiveIteratorIterator(new \RecursiveDirectoryIterator($this->pd."/patterns/"), \RecursiveIteratorIterator::CHILD_FIRST);
-		
-		// make sure dots are skipped
-		$objects->setFlags(\FilesystemIterator::SKIP_DOTS);
-		
-		// for each file figure out what to do with it
-		foreach($objects as $name => $object) {
+		// make sure patterns exists before trying to clean it
+		if (is_dir($this->pd."/patterns")) {
+			
+			$objects = new \RecursiveIteratorIterator(new \RecursiveDirectoryIterator($this->pd."/patterns/"), \RecursiveIteratorIterator::CHILD_FIRST);
+			
+			// make sure dots are skipped
+			$objects->setFlags(\FilesystemIterator::SKIP_DOTS);
 
-			if ($object->isDir()) {
-				// if this is a directory remove it
-				rmdir($name);
-			} else if ($object->isFile() && ($object->getFilename() != "README")) {
-				// if this is a file remove it
-				unlink($name);
+			// for each file figure out what to do with it
+			foreach($objects as $name => $object) {
+				
+				if ($object->isDir()) {
+					// if this is a directory remove it
+					rmdir($name);
+				} else if ($object->isFile() && ($object->getFilename() != "README")) {
+					// if this is a file remove it
+					unlink($name);
+				}
+				
 			}
 
 		}

core/lib/PatternLab/Generator.php

@@ -71,6 +71,11 @@ public function generate($enableCSS = false, $moveStatic = true, $noCacheBuster
 		// render out the index and style guide
 		$this->generateMainPages();
 
+		// make sure data exists
+		if (!is_dir($this->pd."/data")) {
+			mkdir($this->pd."/data");
+		}
+		
 		// iterate over the data files and regenerate the entire site if they've changed
 		$objects = new \RecursiveIteratorIterator(new \RecursiveDirectoryIterator($this->sd."/_data/"), \RecursiveIteratorIterator::SELF_FIRST);
 

core/lib/PatternLab/Migrator.php

@@ -59,7 +59,6 @@ public function migrate($diffVersion = false) {
 
 					if (!is_dir($destinationPath)) {
 						mkdir($destinationPath);
-						$this->runMigration($filename, $sourcePath, $destinationPath, false);
 					}
 
 				} else if ($checkType == "fileExists") {
@@ -70,6 +69,11 @@ public function migrate($diffVersion = false) {
 
 				} else if (($checkType == "versionDiffDir") && $diffVersion) {
 
+					// make sure the destination path exists
+					if (!is_dir($destinationPath)) {
+						mkdir($destinationPath);
+					}
+					
 					$this->runMigration($filename, $sourcePath, $destinationPath, false);
 
 				} else if (($checkType == "versionDiffFile") && $diffVersion) {