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patman: add option for limiting the Cc list

PATCH Superseded Chris Packham 2 participants 4 messages May 27, 2018 – Jun 7, 2018

v2 of 3 Superseded Latest is v3 →

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#0 lore raw

PATCH v2 1/1 patman: add option for limiting the Cc list

Many mailing-lists consider a long Cc list a sign of spam and will either drop the message or mark it for moderation. Because patman automatically invokes get_maintainer.pl the Cc list can expand unexpectedly. Allow the user to specify a limit for the Cc list.

This limit is applied after removing any known bouncing addresses. By default no limit is applied.

---
I've fallen foul of the u-boot ML Cc limit a few times recently. I'm not sure what the actual limit is so I've left patman's default behaviour unlimited.

Changes in v2:
- make default None to allow limit 0 to suppress the list completely

 tools/patman/patman.py | 4 +++-
 tools/patman/series.py | 5 ++++-
 2 files changed, 7 insertions(+), 2 deletions(-)
tools/patman/patman.py +3 -1
index 8d2c78235a7e..e01510df9c0f 100755
@@ -38,6 +38,8 @@ parser.add_option('-i', '--ignore-errors', action='store_true',
 parser.add_option('-m', '--no-maintainers', action='store_false',
        dest='add_maintainers', default=True,
        help="Don't cc the file maintainers automatically")
+parser.add_option('-l', '--limit-cc', dest='limit', type='int',
+       default=None, help='Limit the cc list to LIMIT entries [default: %default]')
 parser.add_option('-n', '--dry-run', action='store_true', dest='dry_run',
        default=False, help="Do a dry run (create but don't email patches)")
 parser.add_option('-p', '--project', default=project.DetectProject(),
@@ -157,7 +159,7 @@ else:
 
     cc_file = series.MakeCcFile(options.process_tags, cover_fname,
                                 not options.ignore_bad_tags,
-                                options.add_maintainers)
+                                options.add_maintainers, options.limit)
 
     # Email the patches out (giving the user time to check / cancel)
     cmd = ''
tools/patman/series.py +4 -1
index d526d4ee91d3..2735afaf88fe 100644
@@ -202,7 +202,7 @@ class Series(dict):
             print(col.Color(col.RED, str))
 
     def MakeCcFile(self, process_tags, cover_fname, raise_on_error,
-                   add_maintainers):
+                   add_maintainers, limit):
         """Make a cc file for us to use for per-commit Cc automation
 
         Also stores in self._generated_cc to make ShowActions() faster.
@@ -215,6 +215,7 @@ class Series(dict):
             add_maintainers: Either:
                 True/False to call the get_maintainers to CC maintainers
                 List of maintainers to include (for testing)
+            limit: Limit the length of the Cc list
         Return:
             Filename of temp file created
         """
@@ -238,6 +239,8 @@ class Series(dict):
                 print(col.Color(col.YELLOW, 'Skipping "%s"' % x))
             cc = set(cc) - set(settings.bounces)
             cc = [m.encode('utf-8') if type(m) != str else m for m in cc]
+            if limit is not None:
+                cc = cc[:limit]
             all_ccs += cc
             print(commit.patch, ', '.join(set(cc)), file=fd)
             self._generated_cc[commit.patch] = cc
Signature · 1 line
2.17.0
#1 lore raw

PATCH v2 1/1 patman: add option for limiting the Cc list

Quoted 14 lines · Chris Packham

Many mailing-lists consider a long Cc list a sign of spam and will either drop the message or mark it for moderation. Because patman automatically invokes get_maintainer.pl the Cc list can expand unexpectedly. Allow the user to specify a limit for the Cc list.

This limit is applied after removing any known bouncing addresses. By default no limit is applied.

---
I've fallen foul of the u-boot ML Cc limit a few times recently. I'm not sure what the actual limit is so I've left patman's default behaviour unlimited.

Quoted 6 lines

Changes in v2:
- make default None to allow limit 0 to suppress the list completely

 tools/patman/patman.py | 4 +++-
 tools/patman/series.py | 5 ++++-
 2 files changed, 7 insertions(+), 2 deletions(-)
#2 lore raw

PATCH v2 1/1 patman: add option for limiting the Cc list

Hi Chris,

Quoted 15 lines · Simon Glass
Quoted 14 lines · Chris Packham

Many mailing-lists consider a long Cc list a sign of spam and will either drop the message or mark it for moderation. Because patman automatically invokes get_maintainer.pl the Cc list can expand unexpectedly. Allow the user to specify a limit for the Cc list.

This limit is applied after removing any known bouncing addresses. By default no limit is applied.

---
I've fallen foul of the u-boot ML Cc limit a few times recently. I'm not sure what the actual limit is so I've left patman's default behaviour unlimited.

Quoted 8 lines
Quoted 6 lines

Changes in v2:
- make default None to allow limit 0 to suppress the list completely

 tools/patman/patman.py | 4 +++-
 tools/patman/series.py | 5 ++++-
 2 files changed, 7 insertions(+), 2 deletions(-)

Unfortunately this breaks the patman tests (patman -t). Can you please take a look?

Regards,
Simon

#3 lore raw

PATCH v2 1/1 patman: add option for limiting the Cc list

Quoted 26 lines · Simon Glass

Hi Chris,

Quoted 22 lines · Simon Glass
Quoted 20 lines · Chris Packham

Many mailing-lists consider a long Cc list a sign of spam and will either drop the message or mark it for moderation. Because patman automatically invokes get_maintainer.pl the Cc list can expand unexpectedly. Allow the user to specify a limit for the Cc list.

This limit is applied after removing any known bouncing addresses. By default no limit is applied.

---
I've fallen foul of the u-boot ML Cc limit a few times recently. I'm not sure what the actual limit is so I've left patman's default behaviour unlimited.

Changes in v2:
- make default None to allow limit 0 to suppress the list completely

 tools/patman/patman.py | 4 +++-
 tools/patman/series.py | 5 ++++-
 2 files changed, 7 insertions(+), 2 deletions(-)
Quoted 7 lines
Quoted 1 line

Unfortunately this breaks the patman tests (patman -t). Can you please take a look?

Regards,
Simon

Ok, I'll take a look.