Mercurial > hg > CbC > CbC_gcc

comparison contrib/gcc-changelog/git_update_version.py @ 152:2b5abeee2509

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update gcc11
author anatofuz
date Mon, 25 May 2020 07:50:57 +0900
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145:1830386684a0 152:2b5abeee2509
1 #!/usr/bin/env python3
2 #
3 # This file is part of GCC.
4 #
5 # GCC is free software; you can redistribute it and/or modify it under
6 # the terms of the GNU General Public License as published by the Free
7 # Software Foundation; either version 3, or (at your option) any later
8 # version.
9 #
10 # GCC is distributed in the hope that it will be useful, but WITHOUT ANY
11 # WARRANTY; without even the implied warranty of MERCHANTABILITY or
12 # FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
13 # for more details.
14 #
15 # You should have received a copy of the GNU General Public License
16 # along with GCC; see the file COPYING3. If not see
17 # <http://www.gnu.org/licenses/>. */
18
19 import argparse
20 import datetime
21 import os
22
23 from git import Repo
24
25 from git_repository import parse_git_revisions
26
27 current_timestamp = datetime.datetime.now().strftime('%Y%m%d\n')
28
29
30 def read_timestamp(path):
31 return open(path).read()
32
33
34 def prepend_to_changelog_files(repo, folder, git_commit):
35 if not git_commit.success:
36 for error in git_commit.errors:
37 print(error)
38 raise AssertionError()
39 for entry, output in git_commit.to_changelog_entries(use_commit_ts=True):
40 full_path = os.path.join(folder, entry, 'ChangeLog')
41 print('writting to %s' % full_path)
42 if os.path.exists(full_path):
43 content = open(full_path).read()
44 else:
45 content = ''
46 with open(full_path, 'w+') as f:
47 f.write(output)
48 if content:
49 f.write('\n\n')
50 f.write(content)
51 repo.git.add(full_path)
52
53
54 active_refs = ['master', 'releases/gcc-8', 'releases/gcc-9', 'releases/gcc-10']
55
56 parser = argparse.ArgumentParser(description='Update DATESTAMP and generate '
57 'ChangeLog entries')
58 parser.add_argument('-g', '--git-path', default='.',
59 help='Path to git repository')
60 args = parser.parse_args()
61
62 repo = Repo(args.git_path)
63 origin = repo.remotes['origin']
64
65 for ref in origin.refs:
66 assert ref.name.startswith('origin/')
67 name = ref.name[len('origin/'):]
68 if name in active_refs:
69 if name in repo.branches:
70 branch = repo.branches[name]
71 else:
72 branch = repo.create_head(name, ref).set_tracking_branch(ref)
73 print('=== Working on: %s ===' % branch, flush=True)
74 origin.pull(rebase=True)
75 branch.checkout()
76 print('branch pulled and checked out')
77 assert not repo.index.diff(None)
78 commit = branch.commit
79 commit_count = 1
80 while commit:
81 if (commit.author.email == 'gccadmin@gcc.gnu.org'
82 and commit.message.strip() == 'Daily bump.'):
83 break
84 commit = commit.parents[0]
85 commit_count += 1
86
87 print('%d revisions since last Daily bump' % commit_count)
88 datestamp_path = os.path.join(args.git_path, 'gcc/DATESTAMP')
89 if read_timestamp(datestamp_path) != current_timestamp:
90 print('DATESTAMP will be changed:')
91 commits = parse_git_revisions(args.git_path, '%s..HEAD'
92 % commit.hexsha)
93 for git_commit in reversed(commits):
94 prepend_to_changelog_files(repo, args.git_path, git_commit)
95 # update timestamp
96 with open(datestamp_path, 'w+') as f:
97 f.write(current_timestamp)
98 repo.git.add(datestamp_path)
99 repo.index.commit('Daily bump.')
100 # TODO: push the repository
101 # repo.git.push('origin', branch)
102 else:
103 print('DATESTAMP unchanged')
104 print('branch is done\n', flush=True)