mirror of
https://git.notmuchmail.org/git/notmuch
synced 2024-12-22 09:24:54 +01:00
7d1e5a5348
Commits or checkouts that modify a large fraction of the messages in the database should be relatively rare (and in some automated process, probably non-existent). For initial setup, where such operations are expected, the user can pass --force.
1118 lines
38 KiB
Python
1118 lines
38 KiB
Python
#!/usr/bin/env python3
|
|
#
|
|
# Copyright (c) 2011-2014 David Bremner <david@tethera.net>
|
|
# W. Trevor King <wking@tremily.us>
|
|
#
|
|
# This program is free software: you can redistribute it and/or modify
|
|
# it under the terms of the GNU General Public License as published by
|
|
# the Free Software Foundation, either version 3 of the License, or
|
|
# (at your option) any later version.
|
|
#
|
|
# This program is distributed in the hope that it will be useful,
|
|
# but WITHOUT ANY WARRANTY; without even the implied warranty of
|
|
# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
|
|
# GNU General Public License for more details.
|
|
#
|
|
# You should have received a copy of the GNU General Public License
|
|
# along with this program. If not, see https://www.gnu.org/licenses/ .
|
|
|
|
"""
|
|
Manage notmuch tags with Git
|
|
"""
|
|
|
|
from __future__ import print_function
|
|
from __future__ import unicode_literals
|
|
|
|
import codecs as _codecs
|
|
import collections as _collections
|
|
import functools as _functools
|
|
import inspect as _inspect
|
|
import locale as _locale
|
|
import logging as _logging
|
|
import os as _os
|
|
import re as _re
|
|
import shutil as _shutil
|
|
import subprocess as _subprocess
|
|
import sys as _sys
|
|
import tempfile as _tempfile
|
|
import textwrap as _textwrap
|
|
from urllib.parse import quote as _quote
|
|
from urllib.parse import unquote as _unquote
|
|
import json as _json
|
|
|
|
_LOG = _logging.getLogger('nmbug')
|
|
_LOG.setLevel(_logging.WARNING)
|
|
_LOG.addHandler(_logging.StreamHandler())
|
|
|
|
NOTMUCH_GIT_DIR = None
|
|
TAG_PREFIX = None
|
|
|
|
_HEX_ESCAPE_REGEX = _re.compile('%[0-9A-F]{2}')
|
|
_TAG_DIRECTORY = 'tags/'
|
|
_TAG_FILE_REGEX = _re.compile(_TAG_DIRECTORY + '(?P<id>[^/]*)/(?P<tag>[^/]*)')
|
|
|
|
# magic hash for Git (git hash-object -t blob /dev/null)
|
|
_EMPTYBLOB = 'e69de29bb2d1d6434b8b29ae775ad8c2e48c5391'
|
|
|
|
def _hex_quote(string, safe='+@=:,'):
|
|
"""
|
|
quote('abc def') -> 'abc%20def'.
|
|
|
|
Wrap urllib.parse.quote with additional safe characters (in
|
|
addition to letters, digits, and '_.-') and lowercase hex digits
|
|
(e.g. '%3a' instead of '%3A').
|
|
"""
|
|
uppercase_escapes = _quote(string, safe)
|
|
return _HEX_ESCAPE_REGEX.sub(
|
|
lambda match: match.group(0).lower(),
|
|
uppercase_escapes)
|
|
|
|
def _xapian_quote(string):
|
|
"""
|
|
Quote a string for Xapian's QueryParser.
|
|
|
|
Xapian uses double-quotes for quoting strings. You can escape
|
|
internal quotes by repeating them [1,2,3].
|
|
|
|
[1]: https://trac.xapian.org/ticket/128#comment:2
|
|
[2]: https://trac.xapian.org/ticket/128#comment:17
|
|
[3]: https://trac.xapian.org/changeset/13823/svn
|
|
"""
|
|
return '"{0}"'.format(string.replace('"', '""'))
|
|
|
|
|
|
def _xapian_unquote(string):
|
|
"""
|
|
Unquote a Xapian-quoted string.
|
|
"""
|
|
if string.startswith('"') and string.endswith('"'):
|
|
return string[1:-1].replace('""', '"')
|
|
return string
|
|
|
|
|
|
def timed(fn):
|
|
"""Timer decorator"""
|
|
from time import perf_counter
|
|
|
|
def inner(*args, **kwargs):
|
|
start_time = perf_counter()
|
|
rval = fn(*args, **kwargs)
|
|
end_time = perf_counter()
|
|
_LOG.info('{0}: {1:.8f}s elapsed'.format(fn.__name__, end_time - start_time))
|
|
return rval
|
|
|
|
return inner
|
|
|
|
|
|
class SubprocessError(RuntimeError):
|
|
"A subprocess exited with a nonzero status"
|
|
def __init__(self, args, status, stdout=None, stderr=None):
|
|
self.status = status
|
|
self.stdout = stdout
|
|
self.stderr = stderr
|
|
msg = '{args} exited with {status}'.format(args=args, status=status)
|
|
if stderr:
|
|
msg = '{msg}: {stderr}'.format(msg=msg, stderr=stderr)
|
|
super(SubprocessError, self).__init__(msg)
|
|
|
|
|
|
class _SubprocessContextManager(object):
|
|
"""
|
|
PEP 343 context manager for subprocesses.
|
|
|
|
'expect' holds a tuple of acceptable exit codes, otherwise we'll
|
|
raise a SubprocessError in __exit__.
|
|
"""
|
|
def __init__(self, process, args, expect=(0,)):
|
|
self._process = process
|
|
self._args = args
|
|
self._expect = expect
|
|
|
|
def __enter__(self):
|
|
return self._process
|
|
|
|
def __exit__(self, type, value, traceback):
|
|
for name in ['stdin', 'stdout', 'stderr']:
|
|
stream = getattr(self._process, name)
|
|
if stream:
|
|
stream.close()
|
|
setattr(self._process, name, None)
|
|
status = self._process.wait()
|
|
_LOG.debug(
|
|
'collect {args} with status {status} (expected {expect})'.format(
|
|
args=self._args, status=status, expect=self._expect))
|
|
if status not in self._expect:
|
|
raise SubprocessError(args=self._args, status=status)
|
|
|
|
def wait(self):
|
|
return self._process.wait()
|
|
|
|
|
|
def _spawn(args, input=None, additional_env=None, wait=False, stdin=None,
|
|
stdout=None, stderr=None, encoding=_locale.getpreferredencoding(),
|
|
expect=(0,), **kwargs):
|
|
"""Spawn a subprocess, and optionally wait for it to finish.
|
|
|
|
This wrapper around subprocess.Popen has two modes, depending on
|
|
the truthiness of 'wait'. If 'wait' is true, we use p.communicate
|
|
internally to write 'input' to the subprocess's stdin and read
|
|
from it's stdout/stderr. If 'wait' is False, we return a
|
|
_SubprocessContextManager instance for fancier handling
|
|
(e.g. piping between processes).
|
|
|
|
For 'wait' calls when you want to write to the subprocess's stdin,
|
|
you only need to set 'input' to your content. When 'input' is not
|
|
None but 'stdin' is, we'll automatically set 'stdin' to PIPE
|
|
before calling Popen. This avoids having the subprocess
|
|
accidentally inherit the launching process's stdin.
|
|
"""
|
|
_LOG.debug('spawn {args} (additional env. var.: {env})'.format(
|
|
args=args, env=additional_env))
|
|
if not stdin and input is not None:
|
|
stdin = _subprocess.PIPE
|
|
if additional_env:
|
|
if not kwargs.get('env'):
|
|
kwargs['env'] = dict(_os.environ)
|
|
kwargs['env'].update(additional_env)
|
|
p = _subprocess.Popen(
|
|
args, stdin=stdin, stdout=stdout, stderr=stderr, **kwargs)
|
|
if wait:
|
|
if hasattr(input, 'encode'):
|
|
input = input.encode(encoding)
|
|
(stdout, stderr) = p.communicate(input=input)
|
|
status = p.wait()
|
|
_LOG.debug(
|
|
'collect {args} with status {status} (expected {expect})'.format(
|
|
args=args, status=status, expect=expect))
|
|
if stdout is not None:
|
|
stdout = stdout.decode(encoding)
|
|
if stderr is not None:
|
|
stderr = stderr.decode(encoding)
|
|
if status not in expect:
|
|
raise SubprocessError(
|
|
args=args, status=status, stdout=stdout, stderr=stderr)
|
|
return (status, stdout, stderr)
|
|
if p.stdin and not stdin:
|
|
p.stdin.close()
|
|
p.stdin = None
|
|
if p.stdin:
|
|
p.stdin = _codecs.getwriter(encoding=encoding)(stream=p.stdin)
|
|
stream_reader = _codecs.getreader(encoding=encoding)
|
|
if p.stdout:
|
|
p.stdout = stream_reader(stream=p.stdout)
|
|
if p.stderr:
|
|
p.stderr = stream_reader(stream=p.stderr)
|
|
return _SubprocessContextManager(args=args, process=p, expect=expect)
|
|
|
|
|
|
def _git(args, **kwargs):
|
|
args = ['git', '--git-dir', NOTMUCH_GIT_DIR] + list(args)
|
|
return _spawn(args=args, **kwargs)
|
|
|
|
|
|
def _get_current_branch():
|
|
"""Get the name of the current branch.
|
|
|
|
Return 'None' if we're not on a branch.
|
|
"""
|
|
try:
|
|
(status, branch, stderr) = _git(
|
|
args=['symbolic-ref', '--short', 'HEAD'],
|
|
stdout=_subprocess.PIPE, stderr=_subprocess.PIPE, wait=True)
|
|
except SubprocessError as e:
|
|
if 'not a symbolic ref' in e:
|
|
return None
|
|
raise
|
|
return branch.strip()
|
|
|
|
|
|
def _get_remote():
|
|
"Get the default remote for the current branch."
|
|
local_branch = _get_current_branch()
|
|
(status, remote, stderr) = _git(
|
|
args=['config', 'branch.{0}.remote'.format(local_branch)],
|
|
stdout=_subprocess.PIPE, wait=True)
|
|
return remote.strip()
|
|
|
|
def _tag_query(prefix=None):
|
|
if prefix is None:
|
|
prefix = TAG_PREFIX
|
|
return '(tag (starts-with "{:s}"))'.format(prefix.replace('"','\\\"'))
|
|
|
|
def count_messages(prefix=None):
|
|
"count messages with a given prefix."
|
|
(status, stdout, stderr) = _spawn(
|
|
args=['notmuch', 'count', '--query=sexp', _tag_query(prefix)],
|
|
stdout=_subprocess.PIPE, wait=True)
|
|
if status != 0:
|
|
_LOG.error("failed to run notmuch config")
|
|
sys.exit(1)
|
|
return int(stdout.rstrip())
|
|
|
|
def get_tags(prefix=None):
|
|
"Get a list of tags with a given prefix."
|
|
(status, stdout, stderr) = _spawn(
|
|
args=['notmuch', 'search', '--query=sexp', '--output=tags', _tag_query(prefix)],
|
|
stdout=_subprocess.PIPE, wait=True)
|
|
return [tag for tag in stdout.splitlines()]
|
|
|
|
def archive(treeish='HEAD', args=()):
|
|
"""
|
|
Dump a tar archive of the current nmbug tag set.
|
|
|
|
Using 'git archive'.
|
|
|
|
Each tag $tag for message with Message-Id $id is written to
|
|
an empty file
|
|
|
|
tags/encode($id)/encode($tag)
|
|
|
|
The encoding preserves alphanumerics, and the characters
|
|
"+-_@=.:," (not the quotes). All other octets are replaced with
|
|
'%' followed by a two digit hex number.
|
|
"""
|
|
_git(args=['archive', treeish] + list(args), wait=True)
|
|
|
|
|
|
def clone(repository):
|
|
"""
|
|
Create a local nmbug repository from a remote source.
|
|
|
|
This wraps 'git clone', adding some options to avoid creating a
|
|
working tree while preserving remote-tracking branches and
|
|
upstreams.
|
|
"""
|
|
with _tempfile.TemporaryDirectory(prefix='nmbug-clone.') as workdir:
|
|
_spawn(
|
|
args=[
|
|
'git', 'clone', '--no-checkout', '--separate-git-dir', NOTMUCH_GIT_DIR,
|
|
repository, workdir],
|
|
wait=True)
|
|
_git(args=['config', '--unset', 'core.worktree'], wait=True, expect=(0, 5))
|
|
_git(args=['config', 'core.bare', 'true'], wait=True)
|
|
(status, stdout, stderr) = _git(args=['show-ref', '--verify',
|
|
'--quiet',
|
|
'refs/remotes/origin/config'],
|
|
expect=(0,1),
|
|
wait=True)
|
|
if status == 0:
|
|
_git(args=['branch', 'config', 'origin/config'], wait=True)
|
|
existing_tags = get_tags()
|
|
if existing_tags:
|
|
_LOG.warning(
|
|
'Not checking out to avoid clobbering existing tags: {}'.format(
|
|
', '.join(existing_tags)))
|
|
else:
|
|
checkout()
|
|
|
|
|
|
def _is_committed(status):
|
|
return len(status['added']) + len(status['deleted']) == 0
|
|
|
|
|
|
class CachedIndex:
|
|
def __init__(self, repo, treeish):
|
|
self.cache_path = _os.path.join(repo, 'notmuch', 'index_cache.json')
|
|
self.index_path = _os.path.join(repo, 'index')
|
|
self.current_treeish = treeish
|
|
# cached values
|
|
self.treeish = None
|
|
self.hash = None
|
|
self.index_checksum = None
|
|
|
|
self._load_cache_file()
|
|
|
|
def _load_cache_file(self):
|
|
try:
|
|
with open(self.cache_path) as f:
|
|
data = _json.load(f)
|
|
self.treeish = data['treeish']
|
|
self.hash = data['hash']
|
|
self.index_checksum = data['index_checksum']
|
|
except FileNotFoundError:
|
|
pass
|
|
except _json.JSONDecodeError:
|
|
_LOG.error("Error decoding cache")
|
|
_sys.exit(1)
|
|
|
|
def __enter__(self):
|
|
self.read_tree()
|
|
return self
|
|
|
|
def __exit__(self, type, value, traceback):
|
|
checksum = _read_index_checksum(self.index_path)
|
|
(_, hash, _) = _git(
|
|
args=['rev-parse', self.current_treeish],
|
|
stdout=_subprocess.PIPE,
|
|
wait=True)
|
|
|
|
with open(self.cache_path, "w") as f:
|
|
_json.dump({'treeish': self.current_treeish,
|
|
'hash': hash.rstrip(), 'index_checksum': checksum }, f)
|
|
|
|
@timed
|
|
def read_tree(self):
|
|
current_checksum = _read_index_checksum(self.index_path)
|
|
(_, hash, _) = _git(
|
|
args=['rev-parse', self.current_treeish],
|
|
stdout=_subprocess.PIPE,
|
|
wait=True)
|
|
current_hash = hash.rstrip()
|
|
|
|
if self.current_treeish == self.treeish and \
|
|
self.index_checksum and self.index_checksum == current_checksum and \
|
|
self.hash and self.hash == current_hash:
|
|
return
|
|
|
|
_git(args=['read-tree', self.current_treeish], wait=True)
|
|
|
|
|
|
def check_safe_fraction(status):
|
|
safe = 0.1
|
|
conf = _notmuch_config_get ('git.safe_fraction')
|
|
if conf and conf != '':
|
|
safe=float(conf)
|
|
|
|
total = count_messages (TAG_PREFIX)
|
|
if total == 0:
|
|
_LOG.error('No existing tags with given prefix, stopping.'.format(safe))
|
|
_LOG.error('Use --force to override.')
|
|
exit(1)
|
|
change = len(status['added'])+len(status['deleted'])
|
|
fraction = change/total
|
|
_LOG.debug('total messages {:d}, change: {:d}, fraction: {:f}'.format(total,change,fraction))
|
|
if fraction > safe:
|
|
_LOG.error('safe fraction {:f} exceeded, stopping.'.format(safe))
|
|
_LOG.error('Use --force to override or reconfigure git.safe_fraction.')
|
|
exit(1)
|
|
|
|
def commit(treeish='HEAD', message=None, force=False):
|
|
"""
|
|
Commit prefix-matching tags from the notmuch database to Git.
|
|
"""
|
|
|
|
status = get_status()
|
|
|
|
if _is_committed(status=status):
|
|
_LOG.warning('Nothing to commit')
|
|
return
|
|
|
|
if not force:
|
|
check_safe_fraction (status)
|
|
|
|
with CachedIndex(NOTMUCH_GIT_DIR, treeish) as index:
|
|
try:
|
|
_update_index(status=status)
|
|
(_, tree, _) = _git(
|
|
args=['write-tree'],
|
|
stdout=_subprocess.PIPE,
|
|
wait=True)
|
|
(_, parent, _) = _git(
|
|
args=['rev-parse', treeish],
|
|
stdout=_subprocess.PIPE,
|
|
wait=True)
|
|
(_, commit, _) = _git(
|
|
args=['commit-tree', tree.strip(), '-p', parent.strip()],
|
|
input=message,
|
|
stdout=_subprocess.PIPE,
|
|
wait=True)
|
|
_git(
|
|
args=['update-ref', treeish, commit.strip()],
|
|
stdout=_subprocess.PIPE,
|
|
wait=True)
|
|
except Exception as e:
|
|
_git(args=['read-tree', '--empty'], wait=True)
|
|
_git(args=['read-tree', treeish], wait=True)
|
|
raise
|
|
|
|
@timed
|
|
def _update_index(status):
|
|
with _git(
|
|
args=['update-index', '--index-info'],
|
|
stdin=_subprocess.PIPE) as p:
|
|
for id, tags in status['deleted'].items():
|
|
for line in _index_tags_for_message(id=id, status='D', tags=tags):
|
|
p.stdin.write(line)
|
|
for id, tags in status['added'].items():
|
|
for line in _index_tags_for_message(id=id, status='A', tags=tags):
|
|
p.stdin.write(line)
|
|
|
|
|
|
def fetch(remote=None):
|
|
"""
|
|
Fetch changes from the remote repository.
|
|
|
|
See 'merge' to bring those changes into notmuch.
|
|
"""
|
|
args = ['fetch']
|
|
if remote:
|
|
args.append(remote)
|
|
_git(args=args, wait=True)
|
|
|
|
|
|
def init(remote=None):
|
|
"""
|
|
Create an empty nmbug repository.
|
|
|
|
This wraps 'git init' with a few extra steps to support subsequent
|
|
status and commit commands.
|
|
"""
|
|
from pathlib import Path
|
|
parent = Path(NOTMUCH_GIT_DIR).parent
|
|
try:
|
|
_os.makedirs(parent)
|
|
except FileExistsError:
|
|
pass
|
|
|
|
_spawn(args=['git', '--git-dir', NOTMUCH_GIT_DIR, 'init',
|
|
'--initial-branch=master', '--quiet', '--bare'], wait=True)
|
|
_git(args=['config', 'core.logallrefupdates', 'true'], wait=True)
|
|
# create an empty blob (e69de29bb2d1d6434b8b29ae775ad8c2e48c5391)
|
|
_git(args=['hash-object', '-w', '--stdin'], input='', wait=True)
|
|
_git(
|
|
args=[
|
|
'commit', '--allow-empty', '-m', 'Start a new nmbug repository'
|
|
],
|
|
additional_env={'GIT_WORK_TREE': NOTMUCH_GIT_DIR},
|
|
wait=True)
|
|
|
|
|
|
def checkout(force=None):
|
|
"""
|
|
Update the notmuch database from Git.
|
|
|
|
This is mainly useful to discard your changes in notmuch relative
|
|
to Git.
|
|
"""
|
|
status = get_status()
|
|
|
|
if not force:
|
|
check_safe_fraction(status)
|
|
|
|
with _spawn(
|
|
args=['notmuch', 'tag', '--batch'], stdin=_subprocess.PIPE) as p:
|
|
for id, tags in status['added'].items():
|
|
p.stdin.write(_batch_line(action='-', id=id, tags=tags))
|
|
for id, tags in status['deleted'].items():
|
|
p.stdin.write(_batch_line(action='+', id=id, tags=tags))
|
|
|
|
|
|
def _batch_line(action, id, tags):
|
|
"""
|
|
'notmuch tag --batch' line for adding/removing tags.
|
|
|
|
Set 'action' to '-' to remove a tag or '+' to add the tags to a
|
|
given message id.
|
|
"""
|
|
tag_string = ' '.join(
|
|
'{action}{prefix}{tag}'.format(
|
|
action=action, prefix=_ENCODED_TAG_PREFIX, tag=_hex_quote(tag))
|
|
for tag in tags)
|
|
line = '{tags} -- id:{id}\n'.format(
|
|
tags=tag_string, id=_xapian_quote(string=id))
|
|
return line
|
|
|
|
|
|
def _insist_committed():
|
|
"Die if the the notmuch tags don't match the current HEAD."
|
|
status = get_status()
|
|
if not _is_committed(status=status):
|
|
_LOG.error('\n'.join([
|
|
'Uncommitted changes to {prefix}* tags in notmuch',
|
|
'',
|
|
"For a summary of changes, run 'nmbug status'",
|
|
"To save your changes, run 'nmbug commit' before merging/pull",
|
|
"To discard your changes, run 'nmbug checkout'",
|
|
]).format(prefix=TAG_PREFIX))
|
|
_sys.exit(1)
|
|
|
|
|
|
def pull(repository=None, refspecs=None):
|
|
"""
|
|
Pull (merge) remote repository changes to notmuch.
|
|
|
|
'pull' is equivalent to 'fetch' followed by 'merge'. We use the
|
|
Git-configured repository for your current branch
|
|
(branch.<name>.repository, likely 'origin', and
|
|
branch.<name>.merge, likely 'master').
|
|
"""
|
|
_insist_committed()
|
|
if refspecs and not repository:
|
|
repository = _get_remote()
|
|
args = ['pull']
|
|
if repository:
|
|
args.append(repository)
|
|
if refspecs:
|
|
args.extend(refspecs)
|
|
with _tempfile.TemporaryDirectory(prefix='nmbug-pull.') as workdir:
|
|
for command in [
|
|
['reset', '--hard'],
|
|
args]:
|
|
_git(
|
|
args=command,
|
|
additional_env={'GIT_WORK_TREE': workdir},
|
|
wait=True)
|
|
checkout()
|
|
|
|
|
|
def merge(reference='@{upstream}'):
|
|
"""
|
|
Merge changes from 'reference' into HEAD and load the result into notmuch.
|
|
|
|
The default reference is '@{upstream}'.
|
|
"""
|
|
_insist_committed()
|
|
with _tempfile.TemporaryDirectory(prefix='nmbug-merge.') as workdir:
|
|
for command in [
|
|
['reset', '--hard'],
|
|
['merge', reference]]:
|
|
_git(
|
|
args=command,
|
|
additional_env={'GIT_WORK_TREE': workdir},
|
|
wait=True)
|
|
checkout()
|
|
|
|
|
|
def log(args=()):
|
|
"""
|
|
A simple wrapper for 'git log'.
|
|
|
|
After running 'nmbug fetch', you can inspect the changes with
|
|
'nmbug log HEAD..@{upstream}'.
|
|
"""
|
|
# we don't want output trapping here, because we want the pager.
|
|
args = ['log', '--name-status', '--no-renames'] + list(args)
|
|
with _git(args=args, expect=(0, 1, -13)) as p:
|
|
p.wait()
|
|
|
|
|
|
def push(repository=None, refspecs=None):
|
|
"Push the local nmbug Git state to a remote repository."
|
|
if refspecs and not repository:
|
|
repository = _get_remote()
|
|
args = ['push']
|
|
if repository:
|
|
args.append(repository)
|
|
if refspecs:
|
|
args.extend(refspecs)
|
|
_git(args=args, wait=True)
|
|
|
|
|
|
def status():
|
|
"""
|
|
Show pending updates in notmuch or git repo.
|
|
|
|
Prints lines of the form
|
|
|
|
ng Message-Id tag
|
|
|
|
where n is a single character representing notmuch database status
|
|
|
|
* A
|
|
|
|
Tag is present in notmuch database, but not committed to nmbug
|
|
(equivalently, tag has been deleted in nmbug repo, e.g. by a
|
|
pull, but not restored to notmuch database).
|
|
|
|
* D
|
|
|
|
Tag is present in nmbug repo, but not restored to notmuch
|
|
database (equivalently, tag has been deleted in notmuch).
|
|
|
|
* U
|
|
|
|
Message is unknown (missing from local notmuch database).
|
|
|
|
The second character (if present) represents a difference between
|
|
local and upstream branches. Typically 'nmbug fetch' needs to be
|
|
run to update this.
|
|
|
|
* a
|
|
|
|
Tag is present in upstream, but not in the local Git branch.
|
|
|
|
* d
|
|
|
|
Tag is present in local Git branch, but not upstream.
|
|
"""
|
|
status = get_status()
|
|
# 'output' is a nested defaultdict for message status:
|
|
# * The outer dict is keyed by message id.
|
|
# * The inner dict is keyed by tag name.
|
|
# * The inner dict values are status strings (' a', 'Dd', ...).
|
|
output = _collections.defaultdict(
|
|
lambda : _collections.defaultdict(lambda : ' '))
|
|
for id, tags in status['added'].items():
|
|
for tag in tags:
|
|
output[id][tag] = 'A'
|
|
for id, tags in status['deleted'].items():
|
|
for tag in tags:
|
|
output[id][tag] = 'D'
|
|
for id, tags in status['missing'].items():
|
|
for tag in tags:
|
|
output[id][tag] = 'U'
|
|
if _is_unmerged():
|
|
for id, tag in _diff_refs(filter='A'):
|
|
output[id][tag] += 'a'
|
|
for id, tag in _diff_refs(filter='D'):
|
|
output[id][tag] += 'd'
|
|
for id, tag_status in sorted(output.items()):
|
|
for tag, status in sorted(tag_status.items()):
|
|
print('{status}\t{id}\t{tag}'.format(
|
|
status=status, id=id, tag=tag))
|
|
|
|
|
|
def _is_unmerged(ref='@{upstream}'):
|
|
try:
|
|
(status, fetch_head, stderr) = _git(
|
|
args=['rev-parse', ref],
|
|
stdout=_subprocess.PIPE, stderr=_subprocess.PIPE, wait=True)
|
|
except SubprocessError as e:
|
|
if 'No upstream configured' in e.stderr:
|
|
return
|
|
raise
|
|
(status, base, stderr) = _git(
|
|
args=['merge-base', 'HEAD', ref],
|
|
stdout=_subprocess.PIPE, wait=True)
|
|
return base != fetch_head
|
|
|
|
|
|
@timed
|
|
def get_status():
|
|
status = {
|
|
'deleted': {},
|
|
'missing': {},
|
|
}
|
|
with PrivateIndex(repo=NOTMUCH_GIT_DIR, prefix=TAG_PREFIX) as index:
|
|
maybe_deleted = index.diff(filter='D')
|
|
for id, tags in maybe_deleted.items():
|
|
(_, stdout, stderr) = _spawn(
|
|
args=['notmuch', 'search', '--output=files', 'id:{0}'.format(id)],
|
|
stdout=_subprocess.PIPE,
|
|
wait=True)
|
|
if stdout:
|
|
status['deleted'][id] = tags
|
|
else:
|
|
status['missing'][id] = tags
|
|
status['added'] = index.diff(filter='A')
|
|
|
|
return status
|
|
|
|
class PrivateIndex:
|
|
def __init__(self, repo, prefix):
|
|
try:
|
|
_os.makedirs(_os.path.join(repo, 'notmuch'))
|
|
except FileExistsError:
|
|
pass
|
|
|
|
file_name = 'notmuch/index'
|
|
self.index_path = _os.path.join(repo, file_name)
|
|
self.cache_path = _os.path.join(repo, 'notmuch', '{:s}.json'.format(_hex_quote(file_name)))
|
|
|
|
self.current_prefix = prefix
|
|
|
|
self.prefix = None
|
|
self.uuid = None
|
|
self.lastmod = None
|
|
self.checksum = None
|
|
self._load_cache_file()
|
|
self._index_tags()
|
|
|
|
def __enter__(self):
|
|
return self
|
|
|
|
def __exit__(self, type, value, traceback):
|
|
checksum = _read_index_checksum(self.index_path)
|
|
(count, uuid, lastmod) = _read_database_lastmod()
|
|
with open(self.cache_path, "w") as f:
|
|
_json.dump({'prefix': self.current_prefix, 'uuid': uuid, 'lastmod': lastmod, 'checksum': checksum }, f)
|
|
|
|
def _load_cache_file(self):
|
|
try:
|
|
with open(self.cache_path) as f:
|
|
data = _json.load(f)
|
|
self.prefix = data['prefix']
|
|
self.uuid = data['uuid']
|
|
self.lastmod = data['lastmod']
|
|
self.checksum = data['checksum']
|
|
except FileNotFoundError:
|
|
return None
|
|
except _json.JSONDecodeError:
|
|
_LOG.error("Error decoding cache")
|
|
_sys.exit(1)
|
|
|
|
@timed
|
|
def _index_tags(self):
|
|
"Write notmuch tags to private git index."
|
|
prefix = '+{0}'.format(_ENCODED_TAG_PREFIX)
|
|
current_checksum = _read_index_checksum(self.index_path)
|
|
if (self.prefix == None or self.prefix != self.current_prefix
|
|
or self.checksum == None or self.checksum != current_checksum):
|
|
_git(
|
|
args=['read-tree', '--empty'],
|
|
additional_env={'GIT_INDEX_FILE': self.index_path}, wait=True)
|
|
|
|
query = _tag_query()
|
|
clear_tags = False
|
|
(count,uuid,lastmod) = _read_database_lastmod()
|
|
if self.prefix == self.current_prefix and self.uuid \
|
|
and self.uuid == uuid and self.checksum == current_checksum:
|
|
query = '(and (infix "lastmod:{:d}..")) {:s})'.format(self.lastmod+1, query)
|
|
clear_tags = True
|
|
with _spawn(
|
|
args=['notmuch', 'dump', '--format=batch-tag', '--query=sexp', '--', query],
|
|
stdout=_subprocess.PIPE) as notmuch:
|
|
with _git(
|
|
args=['update-index', '--index-info'],
|
|
stdin=_subprocess.PIPE,
|
|
additional_env={'GIT_INDEX_FILE': self.index_path}) as git:
|
|
for line in notmuch.stdout:
|
|
if line.strip().startswith('#'):
|
|
continue
|
|
(tags_string, id) = [_.strip() for _ in line.split(' -- id:')]
|
|
tags = [
|
|
_unquote(tag[len(prefix):])
|
|
for tag in tags_string.split()
|
|
if tag.startswith(prefix)]
|
|
id = _xapian_unquote(string=id)
|
|
if clear_tags:
|
|
for line in _clear_tags_for_message(index=self.index_path, id=id):
|
|
git.stdin.write(line)
|
|
for line in _index_tags_for_message(
|
|
id=id, status='A', tags=tags):
|
|
git.stdin.write(line)
|
|
|
|
@timed
|
|
def diff(self, filter):
|
|
"""
|
|
Get an {id: {tag, ...}} dict for a given filter.
|
|
|
|
For example, use 'A' to find added tags, and 'D' to find deleted tags.
|
|
"""
|
|
s = _collections.defaultdict(set)
|
|
with _git(
|
|
args=[
|
|
'diff-index', '--cached', '--diff-filter', filter,
|
|
'--name-only', 'HEAD'],
|
|
additional_env={'GIT_INDEX_FILE': self.index_path},
|
|
stdout=_subprocess.PIPE) as p:
|
|
# Once we drop Python < 3.3, we can use 'yield from' here
|
|
for id, tag in _unpack_diff_lines(stream=p.stdout):
|
|
s[id].add(tag)
|
|
return s
|
|
|
|
def _read_index_checksum (index_path):
|
|
"""Read the index checksum, as defined by index-format.txt in the git source
|
|
WARNING: assumes SHA1 repo"""
|
|
import binascii
|
|
try:
|
|
with open(index_path, 'rb') as f:
|
|
size=_os.path.getsize(index_path)
|
|
f.seek(size-20);
|
|
return binascii.hexlify(f.read(20)).decode('ascii')
|
|
except FileNotFoundError:
|
|
return None
|
|
|
|
|
|
def _clear_tags_for_message(index, id):
|
|
"""
|
|
Clear any existing index entries for message 'id'
|
|
|
|
Neither 'id' nor the tags in 'tags' should be encoded/escaped.
|
|
"""
|
|
|
|
dir = 'tags/{id}'.format(id=_hex_quote(string=id))
|
|
|
|
with _git(
|
|
args=['ls-files', dir],
|
|
additional_env={'GIT_INDEX_FILE': index},
|
|
stdout=_subprocess.PIPE) as git:
|
|
for file in git.stdout:
|
|
line = '0 0000000000000000000000000000000000000000\t{:s}\n'.format(file.strip())
|
|
yield line
|
|
|
|
def _read_database_lastmod():
|
|
with _spawn(
|
|
args=['notmuch', 'count', '--lastmod', '*'],
|
|
stdout=_subprocess.PIPE) as notmuch:
|
|
(count,uuid,lastmod_str) = notmuch.stdout.readline().split()
|
|
return (count,uuid,int(lastmod_str))
|
|
|
|
def _index_tags_for_message(id, status, tags):
|
|
"""
|
|
Update the Git index to either create or delete an empty file.
|
|
|
|
Neither 'id' nor the tags in 'tags' should be encoded/escaped.
|
|
"""
|
|
mode = '100644'
|
|
hash = _EMPTYBLOB
|
|
|
|
if status == 'D':
|
|
mode = '0'
|
|
hash = '0000000000000000000000000000000000000000'
|
|
|
|
for tag in tags:
|
|
path = 'tags/{id}/{tag}'.format(
|
|
id=_hex_quote(string=id), tag=_hex_quote(string=tag))
|
|
yield '{mode} {hash}\t{path}\n'.format(mode=mode, hash=hash, path=path)
|
|
|
|
|
|
def _diff_refs(filter, a='HEAD', b='@{upstream}'):
|
|
with _git(
|
|
args=['diff', '--diff-filter', filter, '--name-only', a, b],
|
|
stdout=_subprocess.PIPE) as p:
|
|
# Once we drop Python < 3.3, we can use 'yield from' here
|
|
for id, tag in _unpack_diff_lines(stream=p.stdout):
|
|
yield id, tag
|
|
|
|
|
|
def _unpack_diff_lines(stream):
|
|
"Iterate through (id, tag) tuples in a diff stream."
|
|
for line in stream:
|
|
match = _TAG_FILE_REGEX.match(line.strip())
|
|
if not match:
|
|
message = 'non-tag line in diff: {!r}'.format(line.strip())
|
|
if line.startswith(_TAG_DIRECTORY):
|
|
raise ValueError(message)
|
|
_LOG.info(message)
|
|
continue
|
|
id = _unquote(match.group('id'))
|
|
tag = _unquote(match.group('tag'))
|
|
yield (id, tag)
|
|
|
|
|
|
def _help(parser, command=None):
|
|
"""
|
|
Show help for an nmbug command.
|
|
|
|
Because some folks prefer:
|
|
|
|
$ nmbug help COMMAND
|
|
|
|
to
|
|
|
|
$ nmbug COMMAND --help
|
|
"""
|
|
if command:
|
|
parser.parse_args([command, '--help'])
|
|
else:
|
|
parser.parse_args(['--help'])
|
|
|
|
def _notmuch_config_get(key):
|
|
(status, stdout, stderr) = _spawn(
|
|
args=['notmuch', 'config', 'get', key],
|
|
stdout=_subprocess.PIPE, wait=True)
|
|
if status != 0:
|
|
_LOG.error("failed to run notmuch config")
|
|
_sys.exit(1)
|
|
return stdout.rstrip()
|
|
|
|
# based on BaseDirectory.save_data_path from pyxdg (LGPL2+)
|
|
def xdg_data_path(profile):
|
|
resource = _os.path.join('notmuch',profile,'git')
|
|
assert not resource.startswith('/')
|
|
_home = _os.path.expanduser('~')
|
|
xdg_data_home = _os.environ.get('XDG_DATA_HOME') or \
|
|
_os.path.join(_home, '.local', 'share')
|
|
path = _os.path.join(xdg_data_home, resource)
|
|
return path
|
|
|
|
if __name__ == '__main__':
|
|
import argparse
|
|
|
|
parser = argparse.ArgumentParser(
|
|
description=__doc__.strip(),
|
|
formatter_class=argparse.RawDescriptionHelpFormatter)
|
|
parser.add_argument(
|
|
'-C', '--git-dir', metavar='REPO',
|
|
help='Git repository to operate on.')
|
|
parser.add_argument(
|
|
'-p', '--tag-prefix', metavar='PREFIX',
|
|
default = None,
|
|
help='Prefix of tags to operate on.')
|
|
parser.add_argument(
|
|
'-N', '--nmbug', action='store_true',
|
|
help='Set defaults for --tag-prefix and --git-dir for the notmuch bug tracker')
|
|
parser.add_argument(
|
|
'-l', '--log-level',
|
|
choices=['critical', 'error', 'warning', 'info', 'debug'],
|
|
help='Log verbosity. Defaults to {!r}.'.format(
|
|
_logging.getLevelName(_LOG.level).lower()))
|
|
|
|
help = _functools.partial(_help, parser=parser)
|
|
help.__doc__ = _help.__doc__
|
|
subparsers = parser.add_subparsers(
|
|
title='commands',
|
|
description=(
|
|
'For help on a particular command, run: '
|
|
"'%(prog)s ... <command> --help'."))
|
|
for command in [
|
|
'archive',
|
|
'checkout',
|
|
'clone',
|
|
'commit',
|
|
'fetch',
|
|
'help',
|
|
'init',
|
|
'log',
|
|
'merge',
|
|
'pull',
|
|
'push',
|
|
'status',
|
|
]:
|
|
func = locals()[command]
|
|
doc = _textwrap.dedent(func.__doc__).strip().replace('%', '%%')
|
|
subparser = subparsers.add_parser(
|
|
command,
|
|
help=doc.splitlines()[0],
|
|
description=doc,
|
|
formatter_class=argparse.RawDescriptionHelpFormatter)
|
|
subparser.set_defaults(func=func)
|
|
if command == 'archive':
|
|
subparser.add_argument(
|
|
'treeish', metavar='TREE-ISH', nargs='?', default='HEAD',
|
|
help=(
|
|
'The tree or commit to produce an archive for. Defaults '
|
|
"to 'HEAD'."))
|
|
subparser.add_argument(
|
|
'args', metavar='ARG', nargs='*',
|
|
help=(
|
|
"Argument passed through to 'git archive'. Set anything "
|
|
'before <tree-ish>, see git-archive(1) for details.'))
|
|
elif command == 'checkout':
|
|
subparser.add_argument(
|
|
'-f', '--force', action='store_true',
|
|
help='checkout a large fraction of tags.')
|
|
elif command == 'clone':
|
|
subparser.add_argument(
|
|
'repository',
|
|
help=(
|
|
'The (possibly remote) repository to clone from. See the '
|
|
'URLS section of git-clone(1) for more information on '
|
|
'specifying repositories.'))
|
|
elif command == 'commit':
|
|
subparser.add_argument(
|
|
'-f', '--force', action='store_true',
|
|
help='commit a large fraction of tags.')
|
|
subparser.add_argument(
|
|
'message', metavar='MESSAGE', default='', nargs='?',
|
|
help='Text for the commit message.')
|
|
elif command == 'fetch':
|
|
subparser.add_argument(
|
|
'remote', metavar='REMOTE', nargs='?',
|
|
help=(
|
|
'Override the default configured in branch.<name>.remote '
|
|
'to fetch from a particular remote repository (e.g. '
|
|
"'origin')."))
|
|
elif command == 'help':
|
|
subparser.add_argument(
|
|
'command', metavar='COMMAND', nargs='?',
|
|
help='The command to show help for.')
|
|
elif command == 'log':
|
|
subparser.add_argument(
|
|
'args', metavar='ARG', nargs='*',
|
|
help="Additional argument passed through to 'git log'.")
|
|
elif command == 'merge':
|
|
subparser.add_argument(
|
|
'reference', metavar='REFERENCE', default='@{upstream}',
|
|
nargs='?',
|
|
help=(
|
|
'Reference, usually other branch heads, to merge into '
|
|
"our branch. Defaults to '@{upstream}'."))
|
|
elif command == 'pull':
|
|
subparser.add_argument(
|
|
'repository', metavar='REPOSITORY', default=None, nargs='?',
|
|
help=(
|
|
'The "remote" repository that is the source of the pull. '
|
|
'This parameter can be either a URL (see the section GIT '
|
|
'URLS in git-pull(1)) or the name of a remote (see the '
|
|
'section REMOTES in git-pull(1)).'))
|
|
subparser.add_argument(
|
|
'refspecs', metavar='REFSPEC', default=None, nargs='*',
|
|
help=(
|
|
'Refspec (usually a branch name) to fetch and merge. See '
|
|
'the <refspec> entry in the OPTIONS section of '
|
|
'git-pull(1) for other possibilities.'))
|
|
elif command == 'push':
|
|
subparser.add_argument(
|
|
'repository', metavar='REPOSITORY', default=None, nargs='?',
|
|
help=(
|
|
'The "remote" repository that is the destination of the '
|
|
'push. This parameter can be either a URL (see the '
|
|
'section GIT URLS in git-push(1)) or the name of a remote '
|
|
'(see the section REMOTES in git-push(1)).'))
|
|
subparser.add_argument(
|
|
'refspecs', metavar='REFSPEC', default=None, nargs='*',
|
|
help=(
|
|
'Refspec (usually a branch name) to push. See '
|
|
'the <refspec> entry in the OPTIONS section of '
|
|
'git-push(1) for other possibilities.'))
|
|
|
|
args = parser.parse_args()
|
|
|
|
nmbug_mode = False
|
|
notmuch_profile = _os.getenv('NOTMUCH_PROFILE','default')
|
|
|
|
if args.nmbug or _os.path.basename(__file__) == 'nmbug':
|
|
nmbug_mode = True
|
|
|
|
if args.git_dir:
|
|
NOTMUCH_GIT_DIR = args.git_dir
|
|
else:
|
|
if nmbug_mode:
|
|
default = _os.path.join('~', '.nmbug')
|
|
else:
|
|
default = _notmuch_config_get ('git.path')
|
|
if default == '':
|
|
default = xdg_data_path(notmuch_profile)
|
|
|
|
NOTMUCH_GIT_DIR = _os.path.expanduser(_os.getenv('NOTMUCH_GIT_DIR', default))
|
|
|
|
_NOTMUCH_GIT_DIR = _os.path.join(NOTMUCH_GIT_DIR, '.git')
|
|
if _os.path.isdir(_NOTMUCH_GIT_DIR):
|
|
NOTMUCH_GIT_DIR = _NOTMUCH_GIT_DIR
|
|
|
|
if args.tag_prefix:
|
|
TAG_PREFIX = args.tag_prefix
|
|
else:
|
|
if nmbug_mode:
|
|
prefix = 'notmuch::'
|
|
else:
|
|
prefix = _notmuch_config_get ('git.tag_prefix')
|
|
|
|
TAG_PREFIX = _os.getenv('NOTMUCH_GIT_PREFIX', prefix)
|
|
|
|
_ENCODED_TAG_PREFIX = _hex_quote(TAG_PREFIX, safe='+@=,') # quote ':'
|
|
|
|
if args.log_level:
|
|
level = getattr(_logging, args.log_level.upper())
|
|
_LOG.setLevel(level)
|
|
|
|
# for test suite
|
|
for var in ['NOTMUCH_GIT_DIR', 'NOTMUCH_GIT_PREFIX', 'NOTMUCH_PROFILE', 'NOTMUCH_CONFIG' ]:
|
|
_LOG.debug('env {:s} = {:s}'.format(var, _os.getenv(var,'%None%')))
|
|
|
|
if _notmuch_config_get('built_with.sexp_queries') != 'true':
|
|
_LOG.error("notmuch git needs sexp query support")
|
|
_sys.exit(1)
|
|
|
|
if not getattr(args, 'func', None):
|
|
parser.print_usage()
|
|
_sys.exit(1)
|
|
|
|
# The following two lines are used by the test suite.
|
|
_LOG.debug('prefix = {:s}'.format(TAG_PREFIX))
|
|
_LOG.debug('repository = {:s}'.format(NOTMUCH_GIT_DIR))
|
|
|
|
if args.func == help:
|
|
arg_names = ['command']
|
|
else:
|
|
(arg_names, varargs, varkw) = _inspect.getargs(args.func.__code__)
|
|
kwargs = {key: getattr(args, key) for key in arg_names if key in args}
|
|
try:
|
|
args.func(**kwargs)
|
|
except SubprocessError as e:
|
|
if _LOG.level == _logging.DEBUG:
|
|
raise # don't mask the traceback
|
|
_LOG.error(str(e))
|
|
_sys.exit(1)
|