Daniel Vetter <daniel@xxxxxxxx> writes:
> On Sun, Feb 18, 2018 at 11:00:56AM +0100, Christophe LEROY wrote:
>> Le 17/02/2018 à 22:19, Pavel Machek a écrit :
>> >
>> > Fix double ;;'s in code.
>> >
>> > Signed-off-by: Pavel Machek <pavel@xxxxxx>
>>
>> A summary of the files modified on top of the patch would help understand
>> the impact.
>>
>> A maybe there should be one patch by area, eg one for each arch specific
>> modif and one for drivers/ and one for block/ ?
>
> Yeah, pls split this into one patch per area, with a suitable patch
> subject prefix. Look at git log of each file to get a feeling for what's
> the standard in each area.
This part is actually pretty annoying.
I hacked up a script (below) which seems to do a reasonable job in most
cases.
For this patch it gives:
$ for f in $(git ls-files -m); do ./guess-prefix.py $f; done
ARC:
ARC:
ARM:
arm64: ptrace:
KVM: PPC:
powerpc/powernv:
x86/efi:
block/sed-opal:
clocksource: mips-gic:
clocksource/drivers/sun5i:
drm/amd/display:
drm/amd/powerplay:
drm/msm/mdp5:
drm:
iommu/vt-d:
md:
soc: imx: gpc:
I think those are correct except for:
- "drm:" for "drivers/gpu/drm/scheduler" which has only a single commit.
- "md:" for "drivers/md/raid1.c" which is tricked by inconsistent
usage of "md: raid1:" and "md/raid1:".
But that seems like a reasonable hit rate.
Another approach would be to have a file that defines for each subsystem
what the preferred style is, but that is likely to be a PITA to
maintain.
cheers
#!/usr/bin/python3
import sys
import re
from subprocess import check_output
from collections import Counter
if len(sys.argv) != 2:
print('Usage: %s <path>' % sys.argv[0], file=sys.stderr)
sys.exit(1)
fname = sys.argv[1]
cmd = ['git', 'log', '--format=%s', '-n', '100', fname]
output = check_output(cmd).decode('utf-8')
ignore = ['License', 'Merge']
# Ordered list of patterns
patterns = [
# Common style "foo/bar/baz: Fix the foo"
re.compile('^([\w\-_]+: )+'),
# Less common "foo bar baz: Fix the foo"
re.compile('^([\w\-_]+:? )+: ')
]
words = []
for line in output.splitlines():
prefix = line.split()[0]
for patt in patterns:
match = patt.search(line)
if match:
prefix = match.group(0)
break
if prefix in ignore:
continue
words.append(prefix)
# Warn if we didn't find many examples
if len(words) < 5:
print("Warning: only found %d previous commits to guess from for" % len(words),
fname, file=sys.stderr)
counts = Counter(words)
print(counts.most_common(1)[0][0])
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