common.write_to_config(): if key doesn't exist in config.py, append it

This lets `fdroid update --create-key` add key/value pairs to config.py

diff --git a/fdroidserver/common.py b/fdroidserver/common.py
index 8ed8193b1fdb54b76ffdf6ee4752d7f37b3f2d11..f44e80a2f564987b43625d6f794485c73cd692bb 100644 (file)
--- a/fdroidserver/common.py
+++ b/fdroidserver/common.py
@@ -2067,5 +2067,11 @@ def write_to_config(thisconfig, key, value=None):
     pattern = '\n[\s#]*' + key + '\s*=\s*"[^"]*"'
     repl = '\n' + key + ' = "' + value + '"'
     data = re.sub(pattern, repl, data)
+    # if this key is not in the file, append it
+    if not re.match('\s*' + key + '\s*=\s*"', data):
+        data += repl
+    # make sure the file ends with a carraige return
+    if not re.match('\n$', data):
+        data += '\n'
     with open('config.py', 'w') as f:
         f.writelines(data)