From 713ccd00a541ded20b20c84c7d985f87d3a88d00 Mon Sep 17 00:00:00 2001
From: Roger Zanoni <rzanoni@igalia.com>
Date: Wed, 18 Oct 2023 15:59:13 -0300
Subject: [PATCH 10/11] Make patcher work outside a git checkout

---
 tools/make_distrib.py | 21 +++++++++++----------
 tools/patch_util.py   | 40 ++++++++++++++++++++++++++++++++++++++++
 tools/patcher.py      |  3 +++
 3 files changed, 54 insertions(+), 10 deletions(-)
 create mode 100644 tools/patch_util.py

diff --git a/tools/make_distrib.py b/tools/make_distrib.py
index 6ed748fe7..a8db7947e 100644
--- a/tools/make_distrib.py
+++ b/tools/make_distrib.py
@@ -621,20 +621,21 @@ cef_url = git.get_url(cef_dir)
 cef_rev = git.get_hash(cef_dir)
 cef_commit_number = git.get_commit_number(cef_dir)
 
-if not git.is_checkout(src_dir):
-  raise Exception('Not a valid checkout: %s' % (src_dir))
-
-# retrieve information for Chromium
-chromium_url = git.get_url(src_dir)
-chromium_rev = git.get_hash(src_dir)
-
-date = get_date()
-
-# format version strings
 formatter = VersionFormatter()
+# format version strings
 cef_ver = formatter.get_version_string()
 chromium_ver = formatter.get_chromium_version_string()
 
+if not git.is_checkout(src_dir):
+  chromium_url = git.get_url(src_dir)
+  chromium_rev = git.get_hash(src_dir)
+else:
+  # retrieve information for Chromium
+  chromium_rev = chromium_ver
+  chromium_url = 'https://commondatastorage.googleapis.com/chromium-browser-official/chromium-%s.tar.xz' % chromium_ver
+
+date = get_date()
+
 # list of output directories to be archived
 archive_dirs = []
 
diff --git a/tools/patch_util.py b/tools/patch_util.py
new file mode 100644
index 000000000..2025e97e0
--- /dev/null
+++ b/tools/patch_util.py
@@ -0,0 +1,40 @@
+from __future__ import absolute_import
+from exec_util import exec_cmd
+import os
+import sys
+
+def patch_apply_patch_file(patch_path, patch_dir):
+  """ Apply |patch_path| to files in |patch_dir|. """
+  patch_name = os.path.basename(patch_path)
+  sys.stdout.write('\nApply %s in %s\n' % (patch_name, patch_dir))
+
+  if not os.path.isfile(patch_path):
+    sys.stdout.write('... patch file does not exist.\n')
+    return 'fail'
+
+  # Apply the patch file. This should always succeed because the previous
+  # command succeeded.
+
+  cmd = 'patch -p0 -N --dry-run --ignore-whitespace --input=%s' % patch_path
+  result = exec_cmd(cmd, patch_dir)
+  if result['ret'] != 0:
+    return 'skip'
+
+  cmd = 'patch --ignore-whitespace -p0 --input=%s --verbose' % patch_path
+  result = exec_cmd(cmd, patch_dir)
+
+  sys.stdout.write('Err: \t%s\n' % result['err'])
+  sys.stdout.write('Out: \t%s\n' % result['out'])
+
+  if result['err'].find('FAILED') >= 0:
+    sys.stdout.write('... error applying patch.\n')
+    write_indented_output(result['err'].replace('<stdin>', patch_name))
+    return 'fail'
+
+  if result['err'] == '':
+    sys.stdout.write('... successfully applied.\n')
+  else:
+    sys.stdout.write('... successfully applied (with warnings):\n')
+    sys.stdout.write('\t%s\n' % result['err'])
+  return 'apply'
+
diff --git a/tools/patcher.py b/tools/patcher.py
index 023e91d4b..fa6eb1946 100644
--- a/tools/patcher.py
+++ b/tools/patcher.py
@@ -9,6 +9,7 @@ import os
 import sys
 from file_util import *
 from git_util import git_apply_patch_file
+from patch_util import patch_apply_patch_file
 
 # Cannot be loaded as a module.
 if __name__ != "__main__":
@@ -46,6 +47,8 @@ def apply_patch_file(patch_file, patch_dir):
       return 'skip'
 
   result = git_apply_patch_file(patch_path, patch_dir)
+  if result == 'fail':
+    result = patch_apply_patch_file(patch_path, patch_dir)
   if result == 'fail':
     write_note('ERROR',
                'This patch failed to apply. Your build will not be correct.')
-- 
2.42.1