Add a script to automatically update the copyright notice in source files.

utils/update_copyright.py

@@ -0,0 +1,58 @@
+#!/usr/bin/env python3
+# encoding: utf-8
+
+###
+# Update the copyright notices year in all C++ files in src/
+###
+
+from datetime import date
+import os
+import re
+import sys
+
+previous_year = str(date.today().year-1)
+if len(sys.argv) == 2:
+    previous_year = sys.argv[1]
+
+new_year = str(date.today().year)
+
+previous_notice = "^\tCopyright \(C\) 20[0-9]{2} - "+previous_year+"$"
+current_notice = "^\tCopyright \(C\) 20[0-9]{2} - "+new_year+"$"
+
+extensions = re.compile("\..pp$|\.mm$|^wesnoth_lua_config\.h$")
+old_copyright = re.compile(previous_notice)
+new_copyright = re.compile(current_notice)
+ignored_dirs = ["src/lua", "src/modules/mariadbpp", "src/spirit_po", "src/xBRZ"]
+
+print("Updating copyright from year '"+previous_year+"' to year '"+new_year+"'")
+for root, dirs, files in os.walk('src'):
+    skip = False
+    for ignored_dir in ignored_dirs:
+        if root.startswith(ignored_dir):
+            skip = True
+            break
+    if skip:
+        continue
+
+    for file in files:
+        if re.search(extensions, file):
+            lines = []
+            found = 0
+            with open(os.path.join(root, file), 'r') as f:
+                lines = f.readlines()
+                for index,line in enumerate(lines):
+                    if re.search(old_copyright, line):
+                        found = 1
+                        lines[index] = lines[index][:-5] + new_year + "\n"
+                        break
+                    elif re.search(new_copyright, line):
+                        found = 2
+            if found == 1 and len(lines) > 0:
+                with open(os.path.join(root, file), 'w') as f:
+                    f.writelines(lines)
+            elif found == 2:
+                print("Found existing copyright notice in file: "+root+"/"+file)
+            else:
+                print("Found no copyright notice to update in file: "+root+"/"+file)
+
+print("Updated copyright from year '"+previous_year+"' to year '"+new_year+"'")