X-Git-Url: https://git.distorted.org.uk/~mdw/stgit/blobdiff_plain/2153b8f56dfa10936ca934a68a364dacdf161117..f9a2b5dae96b05071105a9b84e98bcc8942960ed:/stgit/commands/common.py

diff --git a/stgit/commands/common.py b/stgit/commands/common.py
index 88b1b94..0e1bb44 100644
--- a/stgit/commands/common.py
+++ b/stgit/commands/common.py
@@ -286,10 +286,10 @@ def name_email_date(address):
 
 def make_patch_name(msg):
     """Return a string to be used as a patch name. This is generated
-    from the top line of the string passed as argument.
-    """
+    from the first 30 characters of the top line of the string passed
+    as argument."""
     if not msg:
         return None
 
-    subject_line = msg.lstrip().split('\n', 1)[0].lower()
+    subject_line = msg[:30].lstrip().split('\n', 1)[0].lower()
     return re.sub('[\W]+', '-', subject_line).strip('-')