From 57b867ab36ec5a3a36b25fd7d2e8b4d24919bdbd Mon Sep 17 00:00:00 2001
From: Benoit Daloze <benoit.daloze@oracle.com>
Date: Fri, 12 Jan 2024 13:10:56 +0100
Subject: [PATCH] Improve tool/update_copyright.rb

---
 tool/update_copyright.rb | 18 +++++++++++++-----
 1 file changed, 13 insertions(+), 5 deletions(-)

diff --git a/tool/update_copyright.rb b/tool/update_copyright.rb
index 38745680310b..b1eac2741e7a 100644
--- a/tool/update_copyright.rb
+++ b/tool/update_copyright.rb
@@ -6,7 +6,7 @@
 # GNU General Public License version 2, or
 # GNU Lesser General Public License version 2.1.
 
-abort "USAGE: ruby #{$0} NEW_YEAR" unless ARGV.first
+abort "USAGE: [ADD_ONLY=1] ruby #{$0} NEW_YEAR" unless ARGV.first
 year = Integer(ARGV.first)
 new_copyright_year = year
 
@@ -33,11 +33,13 @@
  */
 EOS
 
+C_COPYRIGHT = JAVA_COPYRIGHT + "\n"
+
 NEW_COPYRIGHT = {
   '.rb' => RB_COPYRIGHT,
   '.java' => JAVA_COPYRIGHT,
-  '.c' => JAVA_COPYRIGHT,
-  '.h' => JAVA_COPYRIGHT,
+  '.c' => C_COPYRIGHT,
+  '.h' => C_COPYRIGHT,
 }
 
 EXTENSIONS = %w[.java .rb .c .h .md]
@@ -52,11 +54,13 @@
   /Copyright \(c\) \d{4}-\d{4} The JRuby project/, # io/console
   /Copyright \(C\) \d{4}-\d{4} Wayne Meissner/, # FFI
   /Copyright \(c\) \d{4}, Brian Shirai/, # rubysl-socket
+  /Copyright \(c\) \d{4}, \d{4} Todd C\. Miller <Todd\.Miller@courtesan\.com>/, # strlcpy.c
   /Ruby is copyrighted free software by Yukihiro Matsumoto/, # MRI license
   /Copyright(?:::)?\s+\(C\)\s+\d{4}\s+Network Applied Communication Laboratory, Inc\./, # MRI stdlibs: thread, timeout
   /\* BEGIN LICENSE BLOCK \**\s*\n\s*\*\s*Version: EPL 2\.0\/GPL 2\.0\/LGPL 2\.1/,
   /#+\s*BEGIN LICENSE BLOCK\s*#+\s*\n\s*#\s*Version: EPL 2\.0\/GPL 2\.0\/LGPL 2\.1/,
   /This file is part of ruby-ffi\./,
+  /This is a public domain/,
 ]
 
 truffle_paths = %w[
@@ -81,7 +85,6 @@
   lib/truffle/pathname
   lib/truffle/securerandom
   src/main/c/bigdecimal
-  src/main/c/cext/st.c
   src/main/c/date
   src/main/c/etc
   src/main/c/io-console
@@ -91,7 +94,9 @@
   src/main/c/rbconfig-sizeof
   src/main/c/ripper
   src/main/c/syslog
+  src/main/c/yarp
   src/main/c/zlib
+  src/yarp
   spec/truffle/fixtures/hello-world
   test/truffle/pack-real-usage.rb
   test/truffle/cexts
@@ -115,7 +120,7 @@
     excludes.none? { |prefix| path.start_with? prefix } &&
     !excluded_files.include?(File.basename(path)) &&
     File.exist?(path) &&
-    File.readlines(path).size > 2
+    File.readlines(path).size > 5
 }
 
 paths.each do |file|
@@ -134,9 +139,12 @@
     next
   end
 
+  next if ENV["ADD_ONLY"]
+
   copyright, year1, sep, year2 = $~[:copyright], $~[:year1], $~[:sep], $~[:year2]
   year1 = Integer(year1)
   year2 = Integer(year2 || year1)
+  sep ||= md ? '-' : ', '
 
   if year > year2
     contents = File.read(file)