6b13f685e
 김민수
BSP 최초 추가
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'''
A tool to create/update the mailmap file
The command 'git shortlog' summarizes git log output in a format suitable
for inclusion in release announcements. Each commit will be grouped by
author and title.
One problem is that the authors' name and/or email address is sometimes
spelled differently. The .mailmap feature can be used to coalesce together
commits by the same persion.
(See 'man git-shortlog' for furthur information of this feature.)
This tool helps to create/update the mailmap file.
It runs 'git shortlog' internally and searches differently spelled author
names which share the same email address. The author name with the most
commits is asuumed to be a canonical real name. If the number of commits
from the cananonical name is equal to or greater than 'MIN_COMMITS',
the entry for the cananical name will be output. ('MIN_COMMITS' is used
here because we do not want to create a fat mailmap by adding every author
with only a few commits.)
If there exists a mailmap file specified by the mailmap.file configuration
options or '.mailmap' at the toplevel of the repository, it is used as
a base file. (The mailmap.file configuration takes precedence over the
'.mailmap' file if both exist.)
The base file and the newly added entries are merged together and sorted
alphabetically (but the comment block is kept untouched), and then printed
to standard output.
Usage
scripts/mailmapper
prints the mailmapping to standard output.
scripts/mailmapper > tmp; mv tmp .mailmap
will be useful for updating '.mailmap' file.
'''
import sys
import os
import subprocess
MIN_COMMITS = 50
try:
toplevel = subprocess.check_output(['git', 'rev-parse', '
except subprocess.CalledProcessError:
sys.exit('Please run in a git repository.')
'
toplevel = toplevel.rstrip()
os.chdir(toplevel)
shortlog = subprocess.check_output(['git', 'shortlog', '-s', '-n'])
commits_per_name = {}
for line in shortlog.splitlines():
try:
commits, name = line.split(None, 1)
except ValueError:
pass
commits_per_name[name] = int(commits)
shortlog = subprocess.check_output(['git', 'shortlog', '-s', '-n', '-e'])
mail_vs_name = {}
output = {}
for line in shortlog.splitlines():
tmp, mail = line.split('<')
mail = '<' + mail.rstrip()
try:
_, name = tmp.rstrip().split(None, 1)
except ValueError:
name = ''
if mail in mail_vs_name:
prev_name = mail_vs_name[mail]
major_name = sorted([prev_name, name],
key=lambda x: commits_per_name[x] if x else 0)[1]
mail_vs_name[mail] = major_name
if commits_per_name[major_name] > MIN_COMMITS:
output[mail] = major_name
else:
mail_vs_name[mail] = name
mailmap_files = []
try:
config_mailmap = subprocess.check_output(['git', 'config', 'mailmap.file'])
except subprocess.CalledProcessError:
config_mailmap = ''
config_mailmap = config_mailmap.rstrip()
if config_mailmap:
mailmap_files.append(config_mailmap)
mailmap_files.append('.mailmap')
infile = None
for map_file in mailmap_files:
try:
infile = open(map_file)
except:
continue
break
comment_block = []
output_lines = []
if infile:
for line in infile:
if line[0] == '
':
comment_block.append(line)
else:
output_lines.append(line)
break
for line in infile:
output_lines.append(line)
infile.close()
for mail, name in output.items():
output_lines.append(name + ' ' + mail + '
')
output_lines.sort()
sys.stdout.write(''.join(comment_block + output_lines))
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