Purge files in destination which don't exist in the source

Garbage Cleaner/garbageCleaner.py

@@ -74,6 +74,7 @@ fileExtensionsToCopy = (
     ".pre",
     ".ptc",
     ".ragdoll",
+    ".rdb",
     ".sig",
     ".siga",
     ".smap",
@@ -91,6 +92,7 @@ fileExtensionsToCopy = (
     ".xob"
 )
 
+# Copy files to destination but compare to make sure not wasting time copying
 totalFiles = 0
 totalFilesCopied = 0
 totalFilesAlreadyValid = 0
@@ -105,13 +107,27 @@ for folder in foldersToCopy:
                 if os.path.isfile(pathname):
 
                     if os.path.isfile(destpath) and filecmp.cmp(pathname, destpath, shallow=True):
-                        print("Skipping " + pathname)
+                        #print("Skipping " + pathname)
                         totalFilesAlreadyValid = totalFilesAlreadyValid + 1
                         continue
 
                     os.makedirs(os.path.dirname(destpath), exist_ok=True)
                     shutil.copy2(pathname, destpath)
                     totalFilesCopied = totalFilesCopied + 1
-                    print(relname)
+                    print("Copying " + relname)
 
-print(str(totalFiles) + " total files. " + str(totalFilesCopied) + " copied. " + str(totalFilesAlreadyValid) + " were not copied because they were identical.")
+# purge files in destination which do not exist in source
+totalFilesPurged = 0
+for folder in foldersToCopy:
+    for root, dirs, files in os.walk(copyToDir + "\\" + folder):
+        for file in files:
+            pathname = root + "\\" + file
+            relname = pathname.replace(copyToDir, "")
+            sourcepath = sourceDir + relname
+            
+            if not os.path.isfile(sourcepath):
+                totalFilesPurged = totalFilesPurged + 1
+                os.remove(pathname)
+                print("Deleting " + relname + " from destination because it doesn't exist in the source!")
+
+print(str(totalFiles) + " total files. " + str(totalFilesCopied) + " copied. " + str(totalFilesAlreadyValid) + " were not copied because they are identical. " + str(totalFilesPurged) + " files were purged from destination.")