mercurial/changelog.py
author Pierre-Yves David <pierre-yves.david@octobus.net>
Thu, 08 Apr 2021 19:00:21 +0200
changeset 47073 64cd1496bb70
parent 47072 4c041c71ec01
child 47139 f58a13c52726
permissions -rw-r--r--
revlog: replace the old `revlog_kind` approach with the new `target` one The new `target` attribute supersedes the previous one. Differential Revision: https://phab.mercurial-scm.org/D10353
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# changelog.py - changelog class for mercurial
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#
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# Copyright 2005-2007 Olivia Mackall <olivia@selenic.com>
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#
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# This software may be used and distributed according to the terms of the
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# GNU General Public License version 2 or any later version.
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from __future__ import absolute_import
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from .i18n import _
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from .node import (
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    bin,
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    hex,
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)
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from .thirdparty import attr
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from . import (
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    encoding,
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    error,
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    metadata,
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    pycompat,
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    revlog,
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)
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from .utils import (
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    dateutil,
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    stringutil,
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)
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from .revlogutils import (
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    constants as revlog_constants,
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    flagutil,
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)
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_defaultextra = {b'branch': b'default'}
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def _string_escape(text):
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    """
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    >>> from .pycompat import bytechr as chr
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    >>> d = {b'nl': chr(10), b'bs': chr(92), b'cr': chr(13), b'nul': chr(0)}
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    >>> s = b"ab%(nl)scd%(bs)s%(bs)sn%(nul)s12ab%(cr)scd%(bs)s%(nl)s" % d
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    >>> s
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    'ab\\ncd\\\\\\\\n\\x0012ab\\rcd\\\\\\n'
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    >>> res = _string_escape(s)
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    >>> s == _string_unescape(res)
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    True
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    """
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    # subset of the string_escape codec
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    text = (
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        text.replace(b'\\', b'\\\\')
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        .replace(b'\n', b'\\n')
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        .replace(b'\r', b'\\r')
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    )
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    return text.replace(b'\0', b'\\0')
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def _string_unescape(text):
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    if b'\\0' in text:
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        # fix up \0 without getting into trouble with \\0
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        text = text.replace(b'\\\\', b'\\\\\n')
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        text = text.replace(b'\\0', b'\0')
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        text = text.replace(b'\n', b'')
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    return stringutil.unescapestr(text)
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def decodeextra(text):
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    """
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    >>> from .pycompat import bytechr as chr
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    >>> sorted(decodeextra(encodeextra({b'foo': b'bar', b'baz': chr(0) + b'2'})
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    ...                    ).items())
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    [('baz', '\\x002'), ('branch', 'default'), ('foo', 'bar')]
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    >>> sorted(decodeextra(encodeextra({b'foo': b'bar',
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    ...                                 b'baz': chr(92) + chr(0) + b'2'})
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    ...                    ).items())
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    [('baz', '\\\\\\x002'), ('branch', 'default'), ('foo', 'bar')]
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    """
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    extra = _defaultextra.copy()
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    for l in text.split(b'\0'):
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        if l:
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            k, v = _string_unescape(l).split(b':', 1)
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            extra[k] = v
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    return extra
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def encodeextra(d):
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    # keys must be sorted to produce a deterministic changelog entry
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    items = [_string_escape(b'%s:%s' % (k, d[k])) for k in sorted(d)]
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    return b"\0".join(items)
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def stripdesc(desc):
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    """strip trailing whitespace and leading and trailing empty lines"""
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    return b'\n'.join([l.rstrip() for l in desc.splitlines()]).strip(b'\n')
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class appender(object):
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    """the changelog index must be updated last on disk, so we use this class
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    to delay writes to it"""
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    def __init__(self, vfs, name, mode, buf):
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        self.data = buf
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        fp = vfs(name, mode)
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        self.fp = fp
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        self.offset = fp.tell()
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        self.size = vfs.fstat(fp).st_size
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        self._end = self.size
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    def end(self):
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        return self._end
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    def tell(self):
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        return self.offset
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    def flush(self):
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        pass
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    @property
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    def closed(self):
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        return self.fp.closed
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    def close(self):
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        self.fp.close()
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    def seek(self, offset, whence=0):
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        '''virtual file offset spans real file and data'''
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        if whence == 0:
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            self.offset = offset
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        elif whence == 1:
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            self.offset += offset
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        elif whence == 2:
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            self.offset = self.end() + offset
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        if self.offset < self.size:
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            self.fp.seek(self.offset)
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    def read(self, count=-1):
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        '''only trick here is reads that span real file and data'''
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        ret = b""
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        if self.offset < self.size:
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            s = self.fp.read(count)
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            ret = s
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            self.offset += len(s)
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            if count > 0:
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                count -= len(s)
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        if count != 0:
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            doff = self.offset - self.size
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            self.data.insert(0, b"".join(self.data))
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            del self.data[1:]
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            s = self.data[0][doff : doff + count]
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            self.offset += len(s)
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            ret += s
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        return ret
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    def write(self, s):
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        self.data.append(bytes(s))
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        self.offset += len(s)
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        self._end += len(s)
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    def __enter__(self):
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        self.fp.__enter__()
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        return self
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    def __exit__(self, *args):
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        return self.fp.__exit__(*args)
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class _divertopener(object):
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    def __init__(self, opener, target):
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        self._opener = opener
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        self._target = target
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    def __call__(self, name, mode=b'r', checkambig=False, **kwargs):
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        if name != self._target:
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            return self._opener(name, mode, **kwargs)
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        return self._opener(name + b".a", mode, **kwargs)
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    def __getattr__(self, attr):
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        return getattr(self._opener, attr)
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def _delayopener(opener, target, buf):
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    """build an opener that stores chunks in 'buf' instead of 'target'"""
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    def _delay(name, mode=b'r', checkambig=False, **kwargs):
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        if name != target:
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            return opener(name, mode, **kwargs)
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        assert not kwargs
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        return appender(opener, name, mode, buf)
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    return _delay
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@attr.s
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class _changelogrevision(object):
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    # Extensions might modify _defaultextra, so let the constructor below pass
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    # it in
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    extra = attr.ib()
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    manifest = attr.ib()
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    user = attr.ib(default=b'')
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    date = attr.ib(default=(0, 0))
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    files = attr.ib(default=attr.Factory(list))
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    filesadded = attr.ib(default=None)
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    filesremoved = attr.ib(default=None)
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    p1copies = attr.ib(default=None)
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    p2copies = attr.ib(default=None)
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    description = attr.ib(default=b'')
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    branchinfo = attr.ib(default=(_defaultextra[b'branch'], False))
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class changelogrevision(object):
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    """Holds results of a parsed changelog revision.
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    Changelog revisions consist of multiple pieces of data, including
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    the manifest node, user, and date. This object exposes a view into
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    the parsed object.
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    """
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    __slots__ = (
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        '_offsets',
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        '_text',
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        '_sidedata',
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        '_cpsd',
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        '_changes',
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    )
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    def __new__(cls, cl, text, sidedata, cpsd):
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        if not text:
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            return _changelogrevision(extra=_defaultextra, manifest=cl.nullid)
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        self = super(changelogrevision, cls).__new__(cls)
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        # We could return here and implement the following as an __init__.
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        # But doing it here is equivalent and saves an extra function call.
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        # format used:
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        # nodeid\n        : manifest node in ascii
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        # user\n          : user, no \n or \r allowed
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        # time tz extra\n : date (time is int or float, timezone is int)
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        #                 : extra is metadata, encoded and separated by '\0'
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        #                 : older versions ignore it
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        # files\n\n       : files modified by the cset, no \n or \r allowed
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        # (.*)            : comment (free text, ideally utf-8)
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        #
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        # changelog v0 doesn't use extra
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        nl1 = text.index(b'\n')
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        nl2 = text.index(b'\n', nl1 + 1)
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        nl3 = text.index(b'\n', nl2 + 1)
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        # The list of files may be empty. Which means nl3 is the first of the
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   248
        # double newline that precedes the description.
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   249
        if text[nl3 + 1 : nl3 + 2] == b'\n':
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   250
            doublenl = nl3
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   251
        else:
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   252
            doublenl = text.index(b'\n\n', nl3 + 1)
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   253
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   254
        self._offsets = (nl1, nl2, nl3, doublenl)
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   255
        self._text = text
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   256
        self._sidedata = sidedata
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        self._cpsd = cpsd
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        self._changes = None
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   259
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   260
        return self
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   261
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   262
    @property
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   263
    def manifest(self):
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   264
        return bin(self._text[0 : self._offsets[0]])
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   265
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   266
    @property
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   267
    def user(self):
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   268
        off = self._offsets
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   269
        return encoding.tolocal(self._text[off[0] + 1 : off[1]])
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   270
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   271
    @property
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   272
    def _rawdate(self):
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   273
        off = self._offsets
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   274
        dateextra = self._text[off[1] + 1 : off[2]]
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   275
        return dateextra.split(b' ', 2)[0:2]
28492
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   276
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   277
    @property
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   278
    def _rawextra(self):
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   279
        off = self._offsets
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   280
        dateextra = self._text[off[1] + 1 : off[2]]
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   281
        fields = dateextra.split(b' ', 2)
28492
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   282
        if len(fields) != 3:
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   283
            return None
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   284
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   285
        return fields[2]
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   286
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   287
    @property
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   288
    def date(self):
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   289
        raw = self._rawdate
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   290
        time = float(raw[0])
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diff changeset
   291
        # Various tools did silly things with the timezone.
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   292
        try:
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   293
            timezone = int(raw[1])
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   294
        except ValueError:
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   295
            timezone = 0
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   296
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diff changeset
   297
        return time, timezone
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   298
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   299
    @property
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   300
    def extra(self):
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   301
        raw = self._rawextra
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   302
        if raw is None:
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   303
            return _defaultextra
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   304
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   305
        return decodeextra(raw)
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diff changeset
   306
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   307
    @property
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diff changeset
   308
    def changes(self):
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   309
        if self._changes is not None:
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   310
            return self._changes
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diff changeset
   311
        if self._cpsd:
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   312
            changes = metadata.decode_files_sidedata(self._sidedata)
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diff changeset
   313
        else:
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diff changeset
   314
            changes = metadata.ChangingFiles(
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diff changeset
   315
                touched=self.files or (),
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diff changeset
   316
                added=self.filesadded or (),
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   317
                removed=self.filesremoved or (),
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diff changeset
   318
                p1_copies=self.p1copies or {},
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diff changeset
   319
                p2_copies=self.p2copies or {},
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diff changeset
   320
            )
45570
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diff changeset
   321
        self._changes = changes
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diff changeset
   322
        return changes
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diff changeset
   323
9a3563b46f52 changelog: add a `changes` property on `changelogrevision`
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diff changeset
   324
    @property
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diff changeset
   325
    def files(self):
45636
053c9014fd39 changing-files: retrieve changelogrevision.files from the sidedata block
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diff changeset
   326
        if self._cpsd:
053c9014fd39 changing-files: retrieve changelogrevision.files from the sidedata block
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diff changeset
   327
            return sorted(self.changes.touched)
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diff changeset
   328
        off = self._offsets
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diff changeset
   329
        if off[2] == off[3]:
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diff changeset
   330
            return []
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diff changeset
   331
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diff changeset
   332
        return self._text[off[2] + 1 : off[3]].split(b'\n')
28493
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diff changeset
   333
7796473c11b3 changelog: lazily parse files
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diff changeset
   334
    @property
42407
602469a91550 context: get filesadded() and filesremoved() from changeset if configured
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diff changeset
   335
    def filesadded(self):
43230
e51f5d06a99c sidedatacopies: only read from copies when in this mode
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diff changeset
   336
        if self._cpsd:
45572
48c93a0b2acb sidedata: simply read added files from the `ChangingFiles` object
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diff changeset
   337
            return self.changes.added
43146
0171483b082f sidedatacopies: read rename information from sidedata
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diff changeset
   338
        else:
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diff changeset
   339
            rawindices = self.extra.get(b'filesadded')
43145
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diff changeset
   340
        if rawindices is None:
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diff changeset
   341
            return None
44940
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diff changeset
   342
        return metadata.decodefileindices(self.files, rawindices)
42407
602469a91550 context: get filesadded() and filesremoved() from changeset if configured
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diff changeset
   343
602469a91550 context: get filesadded() and filesremoved() from changeset if configured
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diff changeset
   344
    @property
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diff changeset
   345
    def filesremoved(self):
43230
e51f5d06a99c sidedatacopies: only read from copies when in this mode
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diff changeset
   346
        if self._cpsd:
45573
f9a67afcc33b sidedata: simply read removed files from the `ChangingFiles` object
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parents: 45572
diff changeset
   347
            return self.changes.removed
43146
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diff changeset
   348
        else:
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diff changeset
   349
            rawindices = self.extra.get(b'filesremoved')
43145
4296cc3c4ae1 changelog: make copies related function return None or a valid value
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diff changeset
   350
        if rawindices is None:
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diff changeset
   351
            return None
44940
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diff changeset
   352
        return metadata.decodefileindices(self.files, rawindices)
42407
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diff changeset
   353
602469a91550 context: get filesadded() and filesremoved() from changeset if configured
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diff changeset
   354
    @property
42142
5382d8f8530b changelog: parse copy metadata if available in extras
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diff changeset
   355
    def p1copies(self):
43230
e51f5d06a99c sidedatacopies: only read from copies when in this mode
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diff changeset
   356
        if self._cpsd:
45574
4e2238ba51a4 sidedata: simply read p1copies files from the `ChangingFiles` object
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diff changeset
   357
            return self.changes.copied_from_p1
43146
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diff changeset
   358
        else:
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diff changeset
   359
            rawcopies = self.extra.get(b'p1copies')
43145
4296cc3c4ae1 changelog: make copies related function return None or a valid value
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diff changeset
   360
        if rawcopies is None:
4296cc3c4ae1 changelog: make copies related function return None or a valid value
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diff changeset
   361
            return None
44940
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diff changeset
   362
        return metadata.decodecopies(self.files, rawcopies)
42142
5382d8f8530b changelog: parse copy metadata if available in extras
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diff changeset
   363
5382d8f8530b changelog: parse copy metadata if available in extras
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diff changeset
   364
    @property
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diff changeset
   365
    def p2copies(self):
43230
e51f5d06a99c sidedatacopies: only read from copies when in this mode
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diff changeset
   366
        if self._cpsd:
45575
147fb889278b sidedata: simply read p2copies files from the `ChangingFiles` object
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parents: 45574
diff changeset
   367
            return self.changes.copied_from_p2
43146
0171483b082f sidedatacopies: read rename information from sidedata
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 43145
diff changeset
   368
        else:
0171483b082f sidedatacopies: read rename information from sidedata
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 43145
diff changeset
   369
            rawcopies = self.extra.get(b'p2copies')
43145
4296cc3c4ae1 changelog: make copies related function return None or a valid value
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 43143
diff changeset
   370
        if rawcopies is None:
4296cc3c4ae1 changelog: make copies related function return None or a valid value
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 43143
diff changeset
   371
            return None
44940
4c1d39215034 metadata: move computation related to files touched in a dedicated module
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 44792
diff changeset
   372
        return metadata.decodecopies(self.files, rawcopies)
42142
5382d8f8530b changelog: parse copy metadata if available in extras
Martin von Zweigbergk <martinvonz@google.com>
parents: 42141
diff changeset
   373
5382d8f8530b changelog: parse copy metadata if available in extras
Martin von Zweigbergk <martinvonz@google.com>
parents: 42141
diff changeset
   374
    @property
28489
8939a95064f1 changelog: lazily parse description
Gregory Szorc <gregory.szorc@gmail.com>
parents: 28487
diff changeset
   375
    def description(self):
43076
2372284d9457 formatting: blacken the codebase
Augie Fackler <augie@google.com>
parents: 43027
diff changeset
   376
        return encoding.tolocal(self._text[self._offsets[3] + 2 :])
2372284d9457 formatting: blacken the codebase
Augie Fackler <augie@google.com>
parents: 43027
diff changeset
   377
46370
cad17d50736c changelog: move branchinfo to changelogrevision
Joerg Sonnenberger <joerg@bec.de>
parents: 46197
diff changeset
   378
    @property
cad17d50736c changelog: move branchinfo to changelogrevision
Joerg Sonnenberger <joerg@bec.de>
parents: 46197
diff changeset
   379
    def branchinfo(self):
cad17d50736c changelog: move branchinfo to changelogrevision
Joerg Sonnenberger <joerg@bec.de>
parents: 46197
diff changeset
   380
        extra = self.extra
cad17d50736c changelog: move branchinfo to changelogrevision
Joerg Sonnenberger <joerg@bec.de>
parents: 46197
diff changeset
   381
        return encoding.tolocal(extra.get(b"branch")), b'close' in extra
cad17d50736c changelog: move branchinfo to changelogrevision
Joerg Sonnenberger <joerg@bec.de>
parents: 46197
diff changeset
   382
28489
8939a95064f1 changelog: lazily parse description
Gregory Szorc <gregory.szorc@gmail.com>
parents: 28487
diff changeset
   383
7634
14a4337a9b9b revlog: kill from-style imports
Matt Mackall <mpm@selenic.com>
parents: 7633
diff changeset
   384
class changelog(revlog.revlog):
46607
e9901d01d135 revlog: add a mechanism to verify expected file position before appending
Kyle Lippincott <spectral@google.com>
parents: 46509
diff changeset
   385
    def __init__(self, opener, trypending=False, concurrencychecker=None):
32292
0ad0d26ff703 changelog: load pending file directly
Gregory Szorc <gregory.szorc@gmail.com>
parents: 32262
diff changeset
   386
        """Load a changelog revlog using an opener.
0ad0d26ff703 changelog: load pending file directly
Gregory Szorc <gregory.szorc@gmail.com>
parents: 32262
diff changeset
   387
0ad0d26ff703 changelog: load pending file directly
Gregory Szorc <gregory.szorc@gmail.com>
parents: 32262
diff changeset
   388
        If ``trypending`` is true, we attempt to load the index from a
0ad0d26ff703 changelog: load pending file directly
Gregory Szorc <gregory.szorc@gmail.com>
parents: 32262
diff changeset
   389
        ``00changelog.i.a`` file instead of the default ``00changelog.i``.
0ad0d26ff703 changelog: load pending file directly
Gregory Szorc <gregory.szorc@gmail.com>
parents: 32262
diff changeset
   390
        The ``00changelog.i.a`` file contains index (and possibly inline
0ad0d26ff703 changelog: load pending file directly
Gregory Szorc <gregory.szorc@gmail.com>
parents: 32262
diff changeset
   391
        revision) data for a transaction that hasn't been finalized yet.
0ad0d26ff703 changelog: load pending file directly
Gregory Szorc <gregory.szorc@gmail.com>
parents: 32262
diff changeset
   392
        It exists in a separate file to facilitate readers (such as
0ad0d26ff703 changelog: load pending file directly
Gregory Szorc <gregory.szorc@gmail.com>
parents: 32262
diff changeset
   393
        hooks processes) accessing data before a transaction is finalized.
46607
e9901d01d135 revlog: add a mechanism to verify expected file position before appending
Kyle Lippincott <spectral@google.com>
parents: 46509
diff changeset
   394
e9901d01d135 revlog: add a mechanism to verify expected file position before appending
Kyle Lippincott <spectral@google.com>
parents: 46509
diff changeset
   395
        ``concurrencychecker`` will be passed to the revlog init function, see
e9901d01d135 revlog: add a mechanism to verify expected file position before appending
Kyle Lippincott <spectral@google.com>
parents: 46509
diff changeset
   396
        the documentation there.
32292
0ad0d26ff703 changelog: load pending file directly
Gregory Szorc <gregory.szorc@gmail.com>
parents: 32262
diff changeset
   397
        """
43077
687b865b95ad formatting: byteify all mercurial/ and hgext/ string literals
Augie Fackler <augie@google.com>
parents: 43076
diff changeset
   398
        if trypending and opener.exists(b'00changelog.i.a'):
687b865b95ad formatting: byteify all mercurial/ and hgext/ string literals
Augie Fackler <augie@google.com>
parents: 43076
diff changeset
   399
            indexfile = b'00changelog.i.a'
32292
0ad0d26ff703 changelog: load pending file directly
Gregory Szorc <gregory.szorc@gmail.com>
parents: 32262
diff changeset
   400
        else:
43077
687b865b95ad formatting: byteify all mercurial/ and hgext/ string literals
Augie Fackler <augie@google.com>
parents: 43076
diff changeset
   401
            indexfile = b'00changelog.i'
32292
0ad0d26ff703 changelog: load pending file directly
Gregory Szorc <gregory.szorc@gmail.com>
parents: 32262
diff changeset
   402
43077
687b865b95ad formatting: byteify all mercurial/ and hgext/ string literals
Augie Fackler <augie@google.com>
parents: 43076
diff changeset
   403
        datafile = b'00changelog.d'
43076
2372284d9457 formatting: blacken the codebase
Augie Fackler <augie@google.com>
parents: 43027
diff changeset
   404
        revlog.revlog.__init__(
2372284d9457 formatting: blacken the codebase
Augie Fackler <augie@google.com>
parents: 43027
diff changeset
   405
            self,
2372284d9457 formatting: blacken the codebase
Augie Fackler <augie@google.com>
parents: 43027
diff changeset
   406
            opener,
47072
4c041c71ec01 revlog: introduce an explicit tracking of what the revlog is about
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 47012
diff changeset
   407
            target=(revlog_constants.KIND_CHANGELOG, None),
4c041c71ec01 revlog: introduce an explicit tracking of what the revlog is about
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 47012
diff changeset
   408
            indexfile=indexfile,
43076
2372284d9457 formatting: blacken the codebase
Augie Fackler <augie@google.com>
parents: 43027
diff changeset
   409
            datafile=datafile,
2372284d9457 formatting: blacken the codebase
Augie Fackler <augie@google.com>
parents: 43027
diff changeset
   410
            checkambig=True,
2372284d9457 formatting: blacken the codebase
Augie Fackler <augie@google.com>
parents: 43027
diff changeset
   411
            mmaplargeindex=True,
44792
5e3c718692bb nodemap: drop the 'exp-' prefix for internal opener option
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 44661
diff changeset
   412
            persistentnodemap=opener.options.get(b'persistent-nodemap', False),
46607
e9901d01d135 revlog: add a mechanism to verify expected file position before appending
Kyle Lippincott <spectral@google.com>
parents: 46509
diff changeset
   413
            concurrencychecker=concurrencychecker,
43076
2372284d9457 formatting: blacken the codebase
Augie Fackler <augie@google.com>
parents: 43027
diff changeset
   414
        )
32292
0ad0d26ff703 changelog: load pending file directly
Gregory Szorc <gregory.szorc@gmail.com>
parents: 32262
diff changeset
   415
41202
e7a2cc84dbc0 revlog: always enable generaldelta on version 2 revlogs
Gregory Szorc <gregory.szorc@gmail.com>
parents: 39887
diff changeset
   416
        if self._initempty and (self.version & 0xFFFF == revlog.REVLOGV1):
e7a2cc84dbc0 revlog: always enable generaldelta on version 2 revlogs
Gregory Szorc <gregory.szorc@gmail.com>
parents: 39887
diff changeset
   417
            # changelogs don't benefit from generaldelta.
e7a2cc84dbc0 revlog: always enable generaldelta on version 2 revlogs
Gregory Szorc <gregory.szorc@gmail.com>
parents: 39887
diff changeset
   418
32315
67026d65a4fc revlog: rename constants (API)
Gregory Szorc <gregory.szorc@gmail.com>
parents: 32307
diff changeset
   419
            self.version &= ~revlog.FLAG_GENERALDELTA
14334
85c82ebc96a3 changelog: don't use generaldelta
Sune Foldager <cryo@cyanite.org>
parents: 14207
diff changeset
   420
            self._generaldelta = False
30155
b7a966ce89ed changelog: disable delta chains
Gregory Szorc <gregory.szorc@gmail.com>
parents: 30000
diff changeset
   421
b7a966ce89ed changelog: disable delta chains
Gregory Szorc <gregory.szorc@gmail.com>
parents: 30000
diff changeset
   422
        # Delta chains for changelogs tend to be very small because entries
b7a966ce89ed changelog: disable delta chains
Gregory Szorc <gregory.szorc@gmail.com>
parents: 30000
diff changeset
   423
        # tend to be small and don't delta well with each. So disable delta
b7a966ce89ed changelog: disable delta chains
Gregory Szorc <gregory.szorc@gmail.com>
parents: 30000
diff changeset
   424
        # chains.
39232
0a5b20c107a6 repository: remove storedeltachains from ifilestorage
Gregory Szorc <gregory.szorc@gmail.com>
parents: 39201
diff changeset
   425
        self._storedeltachains = False
30155
b7a966ce89ed changelog: disable delta chains
Gregory Szorc <gregory.szorc@gmail.com>
parents: 30000
diff changeset
   426
8644
c2ef478b2efa changelog: make delayopener less intrusive
Matt Mackall <mpm@selenic.com>
parents: 8499
diff changeset
   427
        self._realopener = opener
c2ef478b2efa changelog: make delayopener less intrusive
Matt Mackall <mpm@selenic.com>
parents: 8499
diff changeset
   428
        self._delayed = False
23201
7e97bf6ee2d6 changelog: rework the delayupdate mechanism
Pierre-Yves David <pierre-yves.david@fb.com>
parents: 23088
diff changeset
   429
        self._delaybuf = None
9163
f193b643d1b1 changelog: _delaycount -> _divert
Matt Mackall <mpm@selenic.com>
parents: 8778
diff changeset
   430
        self._divert = False
45515
89f0d9f87701 branchmap: add a cache validation cache, avoid expensive re-hash on every use
Kyle Lippincott <spectral@google.com>
parents: 45325
diff changeset
   431
        self._filteredrevs = frozenset()
89f0d9f87701 branchmap: add a cache validation cache, avoid expensive re-hash on every use
Kyle Lippincott <spectral@google.com>
parents: 45325
diff changeset
   432
        self._filteredrevs_hashcache = {}
43077
687b865b95ad formatting: byteify all mercurial/ and hgext/ string literals
Augie Fackler <augie@google.com>
parents: 43076
diff changeset
   433
        self._copiesstorage = opener.options.get(b'copies-storage')
17677
5c89e7fa5bc2 clfilter: introduce `filteredrevs` attribute on changelog
Pierre-Yves David <pierre-yves.david@logilab.fr>
parents: 17424
diff changeset
   434
45515
89f0d9f87701 branchmap: add a cache validation cache, avoid expensive re-hash on every use
Kyle Lippincott <spectral@google.com>
parents: 45325
diff changeset
   435
    @property
89f0d9f87701 branchmap: add a cache validation cache, avoid expensive re-hash on every use
Kyle Lippincott <spectral@google.com>
parents: 45325
diff changeset
   436
    def filteredrevs(self):
89f0d9f87701 branchmap: add a cache validation cache, avoid expensive re-hash on every use
Kyle Lippincott <spectral@google.com>
parents: 45325
diff changeset
   437
        return self._filteredrevs
89f0d9f87701 branchmap: add a cache validation cache, avoid expensive re-hash on every use
Kyle Lippincott <spectral@google.com>
parents: 45325
diff changeset
   438
89f0d9f87701 branchmap: add a cache validation cache, avoid expensive re-hash on every use
Kyle Lippincott <spectral@google.com>
parents: 45325
diff changeset
   439
    @filteredrevs.setter
89f0d9f87701 branchmap: add a cache validation cache, avoid expensive re-hash on every use
Kyle Lippincott <spectral@google.com>
parents: 45325
diff changeset
   440
    def filteredrevs(self, val):
89f0d9f87701 branchmap: add a cache validation cache, avoid expensive re-hash on every use
Kyle Lippincott <spectral@google.com>
parents: 45325
diff changeset
   441
        # Ensure all updates go through this function
89f0d9f87701 branchmap: add a cache validation cache, avoid expensive re-hash on every use
Kyle Lippincott <spectral@google.com>
parents: 45325
diff changeset
   442
        assert isinstance(val, frozenset)
89f0d9f87701 branchmap: add a cache validation cache, avoid expensive re-hash on every use
Kyle Lippincott <spectral@google.com>
parents: 45325
diff changeset
   443
        self._filteredrevs = val
89f0d9f87701 branchmap: add a cache validation cache, avoid expensive re-hash on every use
Kyle Lippincott <spectral@google.com>
parents: 45325
diff changeset
   444
        self._filteredrevs_hashcache = {}
89f0d9f87701 branchmap: add a cache validation cache, avoid expensive re-hash on every use
Kyle Lippincott <spectral@google.com>
parents: 45325
diff changeset
   445
23203
3872d563e01a changelog: handle writepending in the transaction
Pierre-Yves David <pierre-yves.david@fb.com>
parents: 23201
diff changeset
   446
    def delayupdate(self, tr):
43787
be8552f25cab cleanup: fix docstring formatting
Matt Harbison <matt_harbison@yahoo.com>
parents: 43506
diff changeset
   447
        """delay visibility of index updates to other readers"""
23201
7e97bf6ee2d6 changelog: rework the delayupdate mechanism
Pierre-Yves David <pierre-yves.david@fb.com>
parents: 23088
diff changeset
   448
7e97bf6ee2d6 changelog: rework the delayupdate mechanism
Pierre-Yves David <pierre-yves.david@fb.com>
parents: 23088
diff changeset
   449
        if not self._delayed:
7e97bf6ee2d6 changelog: rework the delayupdate mechanism
Pierre-Yves David <pierre-yves.david@fb.com>
parents: 23088
diff changeset
   450
            if len(self) == 0:
7e97bf6ee2d6 changelog: rework the delayupdate mechanism
Pierre-Yves David <pierre-yves.david@fb.com>
parents: 23088
diff changeset
   451
                self._divert = True
43077
687b865b95ad formatting: byteify all mercurial/ and hgext/ string literals
Augie Fackler <augie@google.com>
parents: 43076
diff changeset
   452
                if self._realopener.exists(self.indexfile + b'.a'):
687b865b95ad formatting: byteify all mercurial/ and hgext/ string literals
Augie Fackler <augie@google.com>
parents: 43076
diff changeset
   453
                    self._realopener.unlink(self.indexfile + b'.a')
23201
7e97bf6ee2d6 changelog: rework the delayupdate mechanism
Pierre-Yves David <pierre-yves.david@fb.com>
parents: 23088
diff changeset
   454
                self.opener = _divertopener(self._realopener, self.indexfile)
7e97bf6ee2d6 changelog: rework the delayupdate mechanism
Pierre-Yves David <pierre-yves.david@fb.com>
parents: 23088
diff changeset
   455
            else:
7e97bf6ee2d6 changelog: rework the delayupdate mechanism
Pierre-Yves David <pierre-yves.david@fb.com>
parents: 23088
diff changeset
   456
                self._delaybuf = []
43076
2372284d9457 formatting: blacken the codebase
Augie Fackler <augie@google.com>
parents: 43027
diff changeset
   457
                self.opener = _delayopener(
2372284d9457 formatting: blacken the codebase
Augie Fackler <augie@google.com>
parents: 43027
diff changeset
   458
                    self._realopener, self.indexfile, self._delaybuf
2372284d9457 formatting: blacken the codebase
Augie Fackler <augie@google.com>
parents: 43027
diff changeset
   459
                )
8644
c2ef478b2efa changelog: make delayopener less intrusive
Matt Mackall <mpm@selenic.com>
parents: 8499
diff changeset
   460
        self._delayed = True
43077
687b865b95ad formatting: byteify all mercurial/ and hgext/ string literals
Augie Fackler <augie@google.com>
parents: 43076
diff changeset
   461
        tr.addpending(b'cl-%i' % id(self), self._writepending)
687b865b95ad formatting: byteify all mercurial/ and hgext/ string literals
Augie Fackler <augie@google.com>
parents: 43076
diff changeset
   462
        tr.addfinalize(b'cl-%i' % id(self), self._finalize)
4261
cd7b36b7869c restructure changelog file appending
Matt Mackall <mpm@selenic.com>
parents: 4258
diff changeset
   463
23205
2d54aa5397cd changelog: rely on transaction for finalization
Pierre-Yves David <pierre-yves.david@fb.com>
parents: 23203
diff changeset
   464
    def _finalize(self, tr):
43787
be8552f25cab cleanup: fix docstring formatting
Matt Harbison <matt_harbison@yahoo.com>
parents: 43506
diff changeset
   465
        """finalize index updates"""
8644
c2ef478b2efa changelog: make delayopener less intrusive
Matt Mackall <mpm@selenic.com>
parents: 8499
diff changeset
   466
        self._delayed = False
9165
07f9b2f4a9aa changelog: swap opener to switch delay modes
Matt Mackall <mpm@selenic.com>
parents: 9164
diff changeset
   467
        self.opener = self._realopener
4269
73c918c71300 changelog: optimize delayed updates for clone vs pull
Matt Mackall <mpm@selenic.com>
parents: 4261
diff changeset
   468
        # move redirected index data back into place
9164
b0d995b6b0a6 changelog: factor out _delayname
Matt Mackall <mpm@selenic.com>
parents: 9163
diff changeset
   469
        if self._divert:
23201
7e97bf6ee2d6 changelog: rework the delayupdate mechanism
Pierre-Yves David <pierre-yves.david@fb.com>
parents: 23088
diff changeset
   470
            assert not self._delaybuf
43077
687b865b95ad formatting: byteify all mercurial/ and hgext/ string literals
Augie Fackler <augie@google.com>
parents: 43076
diff changeset
   471
            tmpname = self.indexfile + b".a"
19898
3f92e749d381 changelog: use "vfs.rename()" instead of "util.rename()"
FUJIWARA Katsunori <foozy@lares.dti.ne.jp>
parents: 18587
diff changeset
   472
            nfile = self.opener.open(tmpname)
14207
c1cca38818b9 changelog: fixes leaked file handle
Zachary Gramana <zgramana@pottsconsultinggroup.com>
parents: 14004
diff changeset
   473
            nfile.close()
29999
003c41edc5f5 changelog: specify checkambig=True to avoid ambiguity around truncation
FUJIWARA Katsunori <foozy@lares.dti.ne.jp>
parents: 29997
diff changeset
   474
            self.opener.rename(tmpname, self.indexfile, checkambig=True)
4269
73c918c71300 changelog: optimize delayed updates for clone vs pull
Matt Mackall <mpm@selenic.com>
parents: 4261
diff changeset
   475
        elif self._delaybuf:
43077
687b865b95ad formatting: byteify all mercurial/ and hgext/ string literals
Augie Fackler <augie@google.com>
parents: 43076
diff changeset
   476
            fp = self.opener(self.indexfile, b'a', checkambig=True)
687b865b95ad formatting: byteify all mercurial/ and hgext/ string literals
Augie Fackler <augie@google.com>
parents: 43076
diff changeset
   477
            fp.write(b"".join(self._delaybuf))
4261
cd7b36b7869c restructure changelog file appending
Matt Mackall <mpm@selenic.com>
parents: 4258
diff changeset
   478
            fp.close()
23201
7e97bf6ee2d6 changelog: rework the delayupdate mechanism
Pierre-Yves David <pierre-yves.david@fb.com>
parents: 23088
diff changeset
   479
            self._delaybuf = None
7e97bf6ee2d6 changelog: rework the delayupdate mechanism
Pierre-Yves David <pierre-yves.david@fb.com>
parents: 23088
diff changeset
   480
        self._divert = False
4269
73c918c71300 changelog: optimize delayed updates for clone vs pull
Matt Mackall <mpm@selenic.com>
parents: 4261
diff changeset
   481
        # split when we're done
35974
9ba1d0c724e2 revlog: rename 'self.checkinlinesize' into '_enforceinlinesize'
Boris Feld <boris.feld@octobus.net>
parents: 35963
diff changeset
   482
        self._enforceinlinesize(tr)
4261
cd7b36b7869c restructure changelog file appending
Matt Mackall <mpm@selenic.com>
parents: 4258
diff changeset
   483
23280
b01c491af0cf transaction: pass the transaction to 'pending' callback
Pierre-Yves David <pierre-yves.david@fb.com>
parents: 23205
diff changeset
   484
    def _writepending(self, tr):
43787
be8552f25cab cleanup: fix docstring formatting
Matt Harbison <matt_harbison@yahoo.com>
parents: 43506
diff changeset
   485
        """create a file containing the unfinalized state for
be8552f25cab cleanup: fix docstring formatting
Matt Harbison <matt_harbison@yahoo.com>
parents: 43506
diff changeset
   486
        pretxnchangegroup"""
7787
b8d750daadde Introduce HG_PREPEND to solve pretxn races
Matt Mackall <mpm@selenic.com>
parents: 7634
diff changeset
   487
        if self._delaybuf:
b8d750daadde Introduce HG_PREPEND to solve pretxn races
Matt Mackall <mpm@selenic.com>
parents: 7634
diff changeset
   488
            # make a temporary copy of the index
b8d750daadde Introduce HG_PREPEND to solve pretxn races
Matt Mackall <mpm@selenic.com>
parents: 7634
diff changeset
   489
            fp1 = self._realopener(self.indexfile)
43077
687b865b95ad formatting: byteify all mercurial/ and hgext/ string literals
Augie Fackler <augie@google.com>
parents: 43076
diff changeset
   490
            pendingfilename = self.indexfile + b".a"
23292
e44399c494ab changelog: register changelog.i.a as a temporary file
Pierre-Yves David <pierre-yves.david@fb.com>
parents: 23281
diff changeset
   491
            # register as a temp file to ensure cleanup on failure
e44399c494ab changelog: register changelog.i.a as a temporary file
Pierre-Yves David <pierre-yves.david@fb.com>
parents: 23281
diff changeset
   492
            tr.registertmp(pendingfilename)
e44399c494ab changelog: register changelog.i.a as a temporary file
Pierre-Yves David <pierre-yves.david@fb.com>
parents: 23281
diff changeset
   493
            # write existing data
43077
687b865b95ad formatting: byteify all mercurial/ and hgext/ string literals
Augie Fackler <augie@google.com>
parents: 43076
diff changeset
   494
            fp2 = self._realopener(pendingfilename, b"w")
7787
b8d750daadde Introduce HG_PREPEND to solve pretxn races
Matt Mackall <mpm@selenic.com>
parents: 7634
diff changeset
   495
            fp2.write(fp1.read())
b8d750daadde Introduce HG_PREPEND to solve pretxn races
Matt Mackall <mpm@selenic.com>
parents: 7634
diff changeset
   496
            # add pending data
43077
687b865b95ad formatting: byteify all mercurial/ and hgext/ string literals
Augie Fackler <augie@google.com>
parents: 43076
diff changeset
   497
            fp2.write(b"".join(self._delaybuf))
7787
b8d750daadde Introduce HG_PREPEND to solve pretxn races
Matt Mackall <mpm@selenic.com>
parents: 7634
diff changeset
   498
            fp2.close()
b8d750daadde Introduce HG_PREPEND to solve pretxn races
Matt Mackall <mpm@selenic.com>
parents: 7634
diff changeset
   499
            # switch modes so finalize can simply rename
23201
7e97bf6ee2d6 changelog: rework the delayupdate mechanism
Pierre-Yves David <pierre-yves.david@fb.com>
parents: 23088
diff changeset
   500
            self._delaybuf = None
9164
b0d995b6b0a6 changelog: factor out _delayname
Matt Mackall <mpm@selenic.com>
parents: 9163
diff changeset
   501
            self._divert = True
23201
7e97bf6ee2d6 changelog: rework the delayupdate mechanism
Pierre-Yves David <pierre-yves.david@fb.com>
parents: 23088
diff changeset
   502
            self.opener = _divertopener(self._realopener, self.indexfile)
7787
b8d750daadde Introduce HG_PREPEND to solve pretxn races
Matt Mackall <mpm@selenic.com>
parents: 7634
diff changeset
   503
9164
b0d995b6b0a6 changelog: factor out _delayname
Matt Mackall <mpm@selenic.com>
parents: 9163
diff changeset
   504
        if self._divert:
7787
b8d750daadde Introduce HG_PREPEND to solve pretxn races
Matt Mackall <mpm@selenic.com>
parents: 7634
diff changeset
   505
            return True
b8d750daadde Introduce HG_PREPEND to solve pretxn races
Matt Mackall <mpm@selenic.com>
parents: 7634
diff changeset
   506
b8d750daadde Introduce HG_PREPEND to solve pretxn races
Matt Mackall <mpm@selenic.com>
parents: 7634
diff changeset
   507
        return False
b8d750daadde Introduce HG_PREPEND to solve pretxn races
Matt Mackall <mpm@selenic.com>
parents: 7634
diff changeset
   508
35974
9ba1d0c724e2 revlog: rename 'self.checkinlinesize' into '_enforceinlinesize'
Boris Feld <boris.feld@octobus.net>
parents: 35963
diff changeset
   509
    def _enforceinlinesize(self, tr, fp=None):
9165
07f9b2f4a9aa changelog: swap opener to switch delay modes
Matt Mackall <mpm@selenic.com>
parents: 9164
diff changeset
   510
        if not self._delayed:
35974
9ba1d0c724e2 revlog: rename 'self.checkinlinesize' into '_enforceinlinesize'
Boris Feld <boris.feld@octobus.net>
parents: 35963
diff changeset
   511
            revlog.revlog._enforceinlinesize(self, tr, fp)
4261
cd7b36b7869c restructure changelog file appending
Matt Mackall <mpm@selenic.com>
parents: 4258
diff changeset
   512
46631
230f73019e49 changelog: rename parameters to reflect semantics
Joerg Sonnenberger <joerg@bec.de>
parents: 46607
diff changeset
   513
    def read(self, nodeorrev):
28487
98d98a645e9d changelog: add class to represent parsed changelog revisions
Gregory Szorc <gregory.szorc@gmail.com>
parents: 28315
diff changeset
   514
        """Obtain data from a parsed changelog revision.
98d98a645e9d changelog: add class to represent parsed changelog revisions
Gregory Szorc <gregory.szorc@gmail.com>
parents: 28315
diff changeset
   515
98d98a645e9d changelog: add class to represent parsed changelog revisions
Gregory Szorc <gregory.szorc@gmail.com>
parents: 28315
diff changeset
   516
        Returns a 6-tuple of:
3233
2f35961854fb [extendedchangelog] add extra metadata in the changelog entry
Benoit Boissinot <benoit.boissinot@ens-lyon.org>
parents: 3232
diff changeset
   517
28487
98d98a645e9d changelog: add class to represent parsed changelog revisions
Gregory Szorc <gregory.szorc@gmail.com>
parents: 28315
diff changeset
   518
           - manifest node in binary
98d98a645e9d changelog: add class to represent parsed changelog revisions
Gregory Szorc <gregory.szorc@gmail.com>
parents: 28315
diff changeset
   519
           - author/user as a localstr
98d98a645e9d changelog: add class to represent parsed changelog revisions
Gregory Szorc <gregory.szorc@gmail.com>
parents: 28315
diff changeset
   520
           - date as a 2-tuple of (time, timezone)
98d98a645e9d changelog: add class to represent parsed changelog revisions
Gregory Szorc <gregory.szorc@gmail.com>
parents: 28315
diff changeset
   521
           - list of files
98d98a645e9d changelog: add class to represent parsed changelog revisions
Gregory Szorc <gregory.szorc@gmail.com>
parents: 28315
diff changeset
   522
           - commit message as a localstr
98d98a645e9d changelog: add class to represent parsed changelog revisions
Gregory Szorc <gregory.szorc@gmail.com>
parents: 28315
diff changeset
   523
           - dict of extra metadata
98d98a645e9d changelog: add class to represent parsed changelog revisions
Gregory Szorc <gregory.szorc@gmail.com>
parents: 28315
diff changeset
   524
98d98a645e9d changelog: add class to represent parsed changelog revisions
Gregory Szorc <gregory.szorc@gmail.com>
parents: 28315
diff changeset
   525
        Unless you need to access all fields, consider calling
98d98a645e9d changelog: add class to represent parsed changelog revisions
Gregory Szorc <gregory.szorc@gmail.com>
parents: 28315
diff changeset
   526
        ``changelogrevision`` instead, as it is faster for partial object
98d98a645e9d changelog: add class to represent parsed changelog revisions
Gregory Szorc <gregory.szorc@gmail.com>
parents: 28315
diff changeset
   527
        access.
3077
ad6aecaf4eed document changelog format
Benoit Boissinot <benoit.boissinot@ens-lyon.org>
parents: 2859
diff changeset
   528
        """
46631
230f73019e49 changelog: rename parameters to reflect semantics
Joerg Sonnenberger <joerg@bec.de>
parents: 46607
diff changeset
   529
        d, s = self._revisiondata(nodeorrev)
43230
e51f5d06a99c sidedatacopies: only read from copies when in this mode
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 43147
diff changeset
   530
        c = changelogrevision(
46780
6266d19556ad node: introduce nodeconstants class
Joerg Sonnenberger <joerg@bec.de>
parents: 46714
diff changeset
   531
            self, d, s, self._copiesstorage == b'changeset-sidedata'
43230
e51f5d06a99c sidedatacopies: only read from copies when in this mode
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 43147
diff changeset
   532
        )
43076
2372284d9457 formatting: blacken the codebase
Augie Fackler <augie@google.com>
parents: 43027
diff changeset
   533
        return (c.manifest, c.user, c.date, c.files, c.description, c.extra)
3233
2f35961854fb [extendedchangelog] add extra metadata in the changelog entry
Benoit Boissinot <benoit.boissinot@ens-lyon.org>
parents: 3232
diff changeset
   534
28487
98d98a645e9d changelog: add class to represent parsed changelog revisions
Gregory Szorc <gregory.szorc@gmail.com>
parents: 28315
diff changeset
   535
    def changelogrevision(self, nodeorrev):
98d98a645e9d changelog: add class to represent parsed changelog revisions
Gregory Szorc <gregory.szorc@gmail.com>
parents: 28315
diff changeset
   536
        """Obtain a ``changelogrevision`` for a node or revision."""
43143
037a8759eda1 sidedatacopies: get and store sidedata in the changelogrevision object
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 43142
diff changeset
   537
        text, sidedata = self._revisiondata(nodeorrev)
43230
e51f5d06a99c sidedatacopies: only read from copies when in this mode
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 43147
diff changeset
   538
        return changelogrevision(
46780
6266d19556ad node: introduce nodeconstants class
Joerg Sonnenberger <joerg@bec.de>
parents: 46714
diff changeset
   539
            self, text, sidedata, self._copiesstorage == b'changeset-sidedata'
43230
e51f5d06a99c sidedatacopies: only read from copies when in this mode
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 43147
diff changeset
   540
        )
0
9117c6561b0b Add back links from file revisions to changeset revisions
mpm@selenic.com
parents:
diff changeset
   541
46631
230f73019e49 changelog: rename parameters to reflect semantics
Joerg Sonnenberger <joerg@bec.de>
parents: 46607
diff changeset
   542
    def readfiles(self, nodeorrev):
27439
ed003859f1d8 changelog: add a new method to get files modified by a changeset
Laurent Charignon <lcharignon@fb.com>
parents: 26094
diff changeset
   543
        """
ed003859f1d8 changelog: add a new method to get files modified by a changeset
Laurent Charignon <lcharignon@fb.com>
parents: 26094
diff changeset
   544
        short version of read that only returns the files modified by the cset
ed003859f1d8 changelog: add a new method to get files modified by a changeset
Laurent Charignon <lcharignon@fb.com>
parents: 26094
diff changeset
   545
        """
46631
230f73019e49 changelog: rename parameters to reflect semantics
Joerg Sonnenberger <joerg@bec.de>
parents: 46607
diff changeset
   546
        text = self.revision(nodeorrev)
27439
ed003859f1d8 changelog: add a new method to get files modified by a changeset
Laurent Charignon <lcharignon@fb.com>
parents: 26094
diff changeset
   547
        if not text:
ed003859f1d8 changelog: add a new method to get files modified by a changeset
Laurent Charignon <lcharignon@fb.com>
parents: 26094
diff changeset
   548
            return []
43077
687b865b95ad formatting: byteify all mercurial/ and hgext/ string literals
Augie Fackler <augie@google.com>
parents: 43076
diff changeset
   549
        last = text.index(b"\n\n")
687b865b95ad formatting: byteify all mercurial/ and hgext/ string literals
Augie Fackler <augie@google.com>
parents: 43076
diff changeset
   550
        l = text[:last].split(b'\n')
27439
ed003859f1d8 changelog: add a new method to get files modified by a changeset
Laurent Charignon <lcharignon@fb.com>
parents: 26094
diff changeset
   551
        return l[3:]
ed003859f1d8 changelog: add a new method to get files modified by a changeset
Laurent Charignon <lcharignon@fb.com>
parents: 26094
diff changeset
   552
43076
2372284d9457 formatting: blacken the codebase
Augie Fackler <augie@google.com>
parents: 43027
diff changeset
   553
    def add(
2372284d9457 formatting: blacken the codebase
Augie Fackler <augie@google.com>
parents: 43027
diff changeset
   554
        self,
2372284d9457 formatting: blacken the codebase
Augie Fackler <augie@google.com>
parents: 43027
diff changeset
   555
        manifest,
2372284d9457 formatting: blacken the codebase
Augie Fackler <augie@google.com>
parents: 43027
diff changeset
   556
        files,
2372284d9457 formatting: blacken the codebase
Augie Fackler <augie@google.com>
parents: 43027
diff changeset
   557
        desc,
2372284d9457 formatting: blacken the codebase
Augie Fackler <augie@google.com>
parents: 43027
diff changeset
   558
        transaction,
2372284d9457 formatting: blacken the codebase
Augie Fackler <augie@google.com>
parents: 43027
diff changeset
   559
        p1,
2372284d9457 formatting: blacken the codebase
Augie Fackler <augie@google.com>
parents: 43027
diff changeset
   560
        p2,
2372284d9457 formatting: blacken the codebase
Augie Fackler <augie@google.com>
parents: 43027
diff changeset
   561
        user,
2372284d9457 formatting: blacken the codebase
Augie Fackler <augie@google.com>
parents: 43027
diff changeset
   562
        date=None,
2372284d9457 formatting: blacken the codebase
Augie Fackler <augie@google.com>
parents: 43027
diff changeset
   563
        extra=None,
2372284d9457 formatting: blacken the codebase
Augie Fackler <augie@google.com>
parents: 43027
diff changeset
   564
    ):
14379
bd23d5f28bbb changelog: convert user and desc from local encoding early
Martin Geisler <mg@aragost.com>
parents: 10420
diff changeset
   565
        # Convert to UTF-8 encoded bytestrings as the very first
bd23d5f28bbb changelog: convert user and desc from local encoding early
Martin Geisler <mg@aragost.com>
parents: 10420
diff changeset
   566
        # thing: calling any method on a localstr object will turn it
bd23d5f28bbb changelog: convert user and desc from local encoding early
Martin Geisler <mg@aragost.com>
parents: 10420
diff changeset
   567
        # into a str object and the cached UTF-8 string is thus lost.
bd23d5f28bbb changelog: convert user and desc from local encoding early
Martin Geisler <mg@aragost.com>
parents: 10420
diff changeset
   568
        user, desc = encoding.fromlocal(user), encoding.fromlocal(desc)
bd23d5f28bbb changelog: convert user and desc from local encoding early
Martin Geisler <mg@aragost.com>
parents: 10420
diff changeset
   569
7035
9d023ef7b467 forbid username with '\n' at the changelog level
Benoit Boissinot <benoit.boissinot@ens-lyon.org>
parents: 6259
diff changeset
   570
        user = user.strip()
8424
c5b3d3e30de7 changelog: refuse to add revisions with empty usernames
Martin Geisler <mg@lazybytes.net>
parents: 7807
diff changeset
   571
        # An empty username or a username with a "\n" will make the
c5b3d3e30de7 changelog: refuse to add revisions with empty usernames
Martin Geisler <mg@lazybytes.net>
parents: 7807
diff changeset
   572
        # revision text contain two "\n\n" sequences -> corrupt
c5b3d3e30de7 changelog: refuse to add revisions with empty usernames
Martin Geisler <mg@lazybytes.net>
parents: 7807
diff changeset
   573
        # repository since read cannot unpack the revision.
c5b3d3e30de7 changelog: refuse to add revisions with empty usernames
Martin Geisler <mg@lazybytes.net>
parents: 7807
diff changeset
   574
        if not user:
43077
687b865b95ad formatting: byteify all mercurial/ and hgext/ string literals
Augie Fackler <augie@google.com>
parents: 43076
diff changeset
   575
            raise error.StorageError(_(b"empty username"))
687b865b95ad formatting: byteify all mercurial/ and hgext/ string literals
Augie Fackler <augie@google.com>
parents: 43076
diff changeset
   576
        if b"\n" in user:
43076
2372284d9457 formatting: blacken the codebase
Augie Fackler <augie@google.com>
parents: 43027
diff changeset
   577
            raise error.StorageError(
43077
687b865b95ad formatting: byteify all mercurial/ and hgext/ string literals
Augie Fackler <augie@google.com>
parents: 43076
diff changeset
   578
                _(b"username %r contains a newline") % pycompat.bytestr(user)
43076
2372284d9457 formatting: blacken the codebase
Augie Fackler <augie@google.com>
parents: 43027
diff changeset
   579
            )
8499
fb9b83df45f3 commit: move description trimming into changelog
Matt Mackall <mpm@selenic.com>
parents: 8443
diff changeset
   580
17810
2894d180afa1 changelog: extract description cleaning logic in a dedicated function
Pierre-Yves David <pierre-yves.david@ens-lyon.org>
parents: 17677
diff changeset
   581
        desc = stripdesc(desc)
8499
fb9b83df45f3 commit: move description trimming into changelog
Matt Mackall <mpm@selenic.com>
parents: 8443
diff changeset
   582
1195
f92af8d53330 Validate user input of dates when adding a changelog entry.
Bryan O'Sullivan <bos@serpentine.com>
parents: 1095
diff changeset
   583
        if date:
43077
687b865b95ad formatting: byteify all mercurial/ and hgext/ string literals
Augie Fackler <augie@google.com>
parents: 43076
diff changeset
   584
            parseddate = b"%d %d" % dateutil.parsedate(date)
1195
f92af8d53330 Validate user input of dates when adding a changelog entry.
Bryan O'Sullivan <bos@serpentine.com>
parents: 1095
diff changeset
   585
        else:
43077
687b865b95ad formatting: byteify all mercurial/ and hgext/ string literals
Augie Fackler <augie@google.com>
parents: 43076
diff changeset
   586
            parseddate = b"%d %d" % dateutil.makedate()
10417
58e040c51231 branch: avoid using reserved tag names
Wagner Bruna <wbruna@softwareexpress.com.br>
parents: 10263
diff changeset
   587
        if extra:
43077
687b865b95ad formatting: byteify all mercurial/ and hgext/ string literals
Augie Fackler <augie@google.com>
parents: 43076
diff changeset
   588
            branch = extra.get(b"branch")
687b865b95ad formatting: byteify all mercurial/ and hgext/ string literals
Augie Fackler <augie@google.com>
parents: 43076
diff changeset
   589
            if branch in (b"default", b""):
687b865b95ad formatting: byteify all mercurial/ and hgext/ string literals
Augie Fackler <augie@google.com>
parents: 43076
diff changeset
   590
                del extra[b"branch"]
687b865b95ad formatting: byteify all mercurial/ and hgext/ string literals
Augie Fackler <augie@google.com>
parents: 43076
diff changeset
   591
            elif branch in (b".", b"null", b"tip"):
43076
2372284d9457 formatting: blacken the codebase
Augie Fackler <augie@google.com>
parents: 43027
diff changeset
   592
                raise error.StorageError(
43077
687b865b95ad formatting: byteify all mercurial/ and hgext/ string literals
Augie Fackler <augie@google.com>
parents: 43076
diff changeset
   593
                    _(b'the name \'%s\' is reserved') % branch
43076
2372284d9457 formatting: blacken the codebase
Augie Fackler <augie@google.com>
parents: 43027
diff changeset
   594
                )
45324
6c56277317c2 commitctx: directly pass a ChangingFiles object to changelog.add
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 45249
diff changeset
   595
        sortedfiles = sorted(files.touched)
45671
2d6aea053153 copies: add a HASCOPIESINFO flag to highlight rev with useful data
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 45636
diff changeset
   596
        flags = 0
43142
beed7ce61681 sidedatacopies: write copies information in sidedata when applicable
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 43077
diff changeset
   597
        sidedata = None
45249
b3040b6739ce commitctx: extract copy information encoding into extra into commit.py
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 44940
diff changeset
   598
        if self._copiesstorage == b'changeset-sidedata':
45728
232c88dd89e3 changing-files: add a shorthand property to check for copy relevant info
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 45672
diff changeset
   599
            if files.has_copies_info:
45671
2d6aea053153 copies: add a HASCOPIESINFO flag to highlight rev with useful data
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 45636
diff changeset
   600
                flags |= flagutil.REVIDX_HASCOPIESINFO
45569
64d18e9e8508 sidedata: rename `encode_copies_sidedata` to `encode_files_sidedata`
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 45515
diff changeset
   601
            sidedata = metadata.encode_files_sidedata(files)
42141
0e41f40b01cc copies: add config option for writing copy metadata to file and/or changset
Martin von Zweigbergk <martinvonz@google.com>
parents: 42116
diff changeset
   602
3233
2f35961854fb [extendedchangelog] add extra metadata in the changelog entry
Benoit Boissinot <benoit.boissinot@ens-lyon.org>
parents: 3232
diff changeset
   603
        if extra:
8443
53ff4a5af284 changelog: turn {de,en}code_extra methods into functions
Martin Geisler <mg@lazybytes.net>
parents: 8442
diff changeset
   604
            extra = encodeextra(extra)
43077
687b865b95ad formatting: byteify all mercurial/ and hgext/ string literals
Augie Fackler <augie@google.com>
parents: 43076
diff changeset
   605
            parseddate = b"%s %s" % (parseddate, extra)
687b865b95ad formatting: byteify all mercurial/ and hgext/ string literals
Augie Fackler <augie@google.com>
parents: 43076
diff changeset
   606
        l = [hex(manifest), user, parseddate] + sortedfiles + [b"", desc]
687b865b95ad formatting: byteify all mercurial/ and hgext/ string literals
Augie Fackler <augie@google.com>
parents: 43076
diff changeset
   607
        text = b"\n".join(l)
46508
f7b61ad3c64a revlog: change addrevision to return the new revision, not node
Joerg Sonnenberger <joerg@bec.de>
parents: 46370
diff changeset
   608
        rev = self.addrevision(
45672
f877b3628015 copies: return None instead of ChangingFiles when relevant
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 45671
diff changeset
   609
            text, transaction, len(self), p1, p2, sidedata=sidedata, flags=flags
43142
beed7ce61681 sidedatacopies: write copies information in sidedata when applicable
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 43077
diff changeset
   610
        )
46508
f7b61ad3c64a revlog: change addrevision to return the new revision, not node
Joerg Sonnenberger <joerg@bec.de>
parents: 46370
diff changeset
   611
        return self.node(rev)
18306
06185554e7e3 changelog: add a `branch` method, bypassing changectx
Pierre-Yves David <pierre-yves.david@ens-lyon.org>
parents: 18231
diff changeset
   612
20185
7d4219512823 branchmap: cache open/closed branch head information
Brodie Rao <brodie@sf.io>
parents: 19899
diff changeset
   613
    def branchinfo(self, rev):
7d4219512823 branchmap: cache open/closed branch head information
Brodie Rao <brodie@sf.io>
parents: 19899
diff changeset
   614
        """return the branch name and open/close state of a revision
18306
06185554e7e3 changelog: add a `branch` method, bypassing changectx
Pierre-Yves David <pierre-yves.david@ens-lyon.org>
parents: 18231
diff changeset
   615
18308
4e27b06a0fd9 changelog: please check-code and remove tabs
Mads Kiilerich <mads@kiilerich.com>
parents: 18306
diff changeset
   616
        This function exists because creating a changectx object
4e27b06a0fd9 changelog: please check-code and remove tabs
Mads Kiilerich <mads@kiilerich.com>
parents: 18306
diff changeset
   617
        just to access this is costly."""
46370
cad17d50736c changelog: move branchinfo to changelogrevision
Joerg Sonnenberger <joerg@bec.de>
parents: 46197
diff changeset
   618
        return self.changelogrevision(rev).branchinfo
39887
a3095bc47217 changelog: keep track of duplicated node in the transaction adding them
Boris Feld <boris.feld@octobus.net>
parents: 39777
diff changeset
   619
46509
7a93b7b3dc2d revlog: change addgroup callbacks to take revision numbers
Joerg Sonnenberger <joerg@bec.de>
parents: 46508
diff changeset
   620
    def _nodeduplicatecallback(self, transaction, rev):
39887
a3095bc47217 changelog: keep track of duplicated node in the transaction adding them
Boris Feld <boris.feld@octobus.net>
parents: 39777
diff changeset
   621
        # keep track of revisions that got "re-added", eg: unbunde of know rev.
a3095bc47217 changelog: keep track of duplicated node in the transaction adding them
Boris Feld <boris.feld@octobus.net>
parents: 39777
diff changeset
   622
        #
a3095bc47217 changelog: keep track of duplicated node in the transaction adding them
Boris Feld <boris.feld@octobus.net>
parents: 39777
diff changeset
   623
        # We track them in a list to preserve their order from the source bundle
43077
687b865b95ad formatting: byteify all mercurial/ and hgext/ string literals
Augie Fackler <augie@google.com>
parents: 43076
diff changeset
   624
        duplicates = transaction.changes.setdefault(b'revduplicates', [])
46509
7a93b7b3dc2d revlog: change addgroup callbacks to take revision numbers
Joerg Sonnenberger <joerg@bec.de>
parents: 46508
diff changeset
   625
        duplicates.append(rev)