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112 lines
3.7 KiB
112 lines
3.7 KiB
4 years ago
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#!/usr/bin/env python
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'''
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This script attempts to extract what options have been added since the
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specified revision (usually a tag, but any revision that git recognizes may be
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provided). It accepts an optional second revision to use as the cut-off. The
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default is your LOCAL "master". Thus, you should ensure that this is up to date
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before running this script.
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This script works by extracting the set of options before and after every
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commit that affected ':src/options.h' and computing the differences. It should,
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therefore, be fairly robust (for example, options that moved around won't show
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up). However, if an option is removed and subsequently re-added, or if an
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option was added and subsequently removed, the resulting records will need to
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be reconciled manually.
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'''
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import argparse
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import git
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import os
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import re
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import sys
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import time
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re_option = re.compile(r'extern (Bounded)?Option<[^>]+>')
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# -----------------------------------------------------------------------------
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def extract_options(repo, blob_id):
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from git.util import hex_to_bin
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blob = git.Blob(repo, hex_to_bin(blob_id))
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content = blob.data_stream.stream
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options = set()
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for line in iter(content.readline, b''):
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line = line.decode('utf-8').strip()
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if re_option.match(line):
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line = content.readline().decode('utf-8').strip()
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options.add(line.split(';')[0])
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return options
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# =============================================================================
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class Changeset(object):
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# -------------------------------------------------------------------------
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def __init__(self, repo, sha):
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self.sha = sha
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self.added_options = set()
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self.removed_options = set()
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commit = repo.commit(sha)
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ad = time.gmtime(commit.authored_date)
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self.date = time.strftime('%b %d %Y', ad).replace(' 0', ' ')
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info = repo.git.log('-1', '--raw', '--abbrev=40', '--pretty=',
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sha, '--', ':src/options.h').split(' ')
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if len(info) < 5:
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return
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old_options = extract_options(repo, info[2])
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new_options = extract_options(repo, info[3])
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self.added_options = new_options.difference(old_options)
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self.removed_options = old_options.difference(new_options)
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# -----------------------------------------------------------------------------
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def main():
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parser = argparse.ArgumentParser(
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description='Generate changelog for new options')
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root = os.path.abspath(os.path.join(os.path.dirname(__file__), '..'))
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parser.add_argument('--repo', type=str, default=root,
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help='Path to uncrustify git repository')
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parser.add_argument('since', type=str,
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help='Revision (tag) of previous uncrustify version')
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parser.add_argument('until', type=str, default='master', nargs='?',
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help='Revision (tag) of next uncrustify version')
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args = parser.parse_args()
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repo = git.Repo(args.repo)
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revs = repo.git.log('--pretty=%H', '--reverse',
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'{}..{}'.format(args.since, args.until),
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'--', ':src/options.h').split('\n')
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if revs == ['']:
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print('No changes were found')
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return 1
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changes = []
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for r in revs:
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c = Changeset(repo, r)
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if len(c.added_options) or len(c.removed_options):
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changes.append(c)
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for c in changes:
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print(c.sha)
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for o in c.added_options:
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print(' Added : {:36} {}'.format(o, c.date))
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for o in c.removed_options:
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print(' Removed : {:36} {}'.format(o, c.date))
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return 0
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# %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
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if __name__ == '__main__':
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sys.exit(main())
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