1 files changed, 11 insertions, 0 deletions
diff --git a/pkgs/applications/networking/browsers/chromium/update.py b/pkgs/applications/networking/browsers/chromium/update.py
index 3ea5dea50cd6..8341f2c6ee22 100755
--- a/pkgs/applications/networking/browsers/chromium/update.py
+++ b/pkgs/applications/networking/browsers/chromium/update.py
@@ -24,6 +24,7 @@ DEB_URL = 'https://dl.google.com/linux/chrome/deb/pool/main/g'
 BUCKET_URL = 'https://commondatastorage.googleapis.com/chromium-browser-official'
 
 JSON_PATH = dirname(abspath(__file__)) + '/upstream-info.json'
+UNGOOGLED_FLAGS_PATH = dirname(abspath(__file__)) + '/ungoogled-flags.toml'
 COMMIT_MESSAGE_SCRIPT = dirname(abspath(__file__)) + '/get-commit-message.py'
 
 
@@ -108,6 +109,12 @@ def get_latest_ungoogled_chromium_build():
     }
 
 
+def get_ungoogled_chromium_gn_flags(revision):
+    """Returns ungoogled-chromium's GN build flags for the given revision."""
+    gn_flags_url = f'https://raw.githubusercontent.com/Eloston/ungoogled-chromium/{revision}/flags.gn'
+    return urlopen(gn_flags_url).read().decode()
+
+
 def channel_name_to_attr_name(channel_name):
     """Maps a channel name to the corresponding main Nixpkgs attribute name."""
     if channel_name == 'stable':
@@ -208,6 +215,8 @@ with urlopen(HISTORY_URL) as resp:
                 'rev': build['ungoogled_tag'],
                 'sha256': nix_prefetch_git(ungoogled_repo_url, build['ungoogled_tag'])['sha256']
             }
+            with open(UNGOOGLED_FLAGS_PATH, 'w') as out:
+                out.write(get_ungoogled_chromium_gn_flags(build['ungoogled_tag']))
 
         channels[channel_name] = channel
 
@@ -227,6 +236,8 @@ if len(sys.argv) == 2 and sys.argv[1] == '--commit':
             if channel_name == 'stable':
                 body = subprocess.check_output([COMMIT_MESSAGE_SCRIPT, version_new]).decode('utf-8')
                 commit_message += '\n\n' + body
+            elif channel_name == 'ungoogled-chromium':
+                subprocess.run(['git', 'add', UNGOOGLED_FLAGS_PATH], check=True)
             subprocess.run(['git', 'add', JSON_PATH], check=True)
             subprocess.run(['git', 'commit', '--file=-'], input=commit_message.encode(), check=True)
 else: