|
|
# manifest.py - manifest revision class for mercurial
|
|
|
#
|
|
|
# Copyright 2005-2007 Matt Mackall <mpm@selenic.com>
|
|
|
#
|
|
|
# This software may be used and distributed according to the terms of the
|
|
|
# GNU General Public License version 2 or any later version.
|
|
|
|
|
|
from i18n import _
|
|
|
import mdiff, parsers, error, revlog, util
|
|
|
import array, struct
|
|
|
import os
|
|
|
|
|
|
propertycache = util.propertycache
|
|
|
|
|
|
def _parsev1(data):
|
|
|
# This method does a little bit of excessive-looking
|
|
|
# precondition checking. This is so that the behavior of this
|
|
|
# class exactly matches its C counterpart to try and help
|
|
|
# prevent surprise breakage for anyone that develops against
|
|
|
# the pure version.
|
|
|
if data and data[-1] != '\n':
|
|
|
raise ValueError('Manifest did not end in a newline.')
|
|
|
prev = None
|
|
|
for l in data.splitlines():
|
|
|
if prev is not None and prev > l:
|
|
|
raise ValueError('Manifest lines not in sorted order.')
|
|
|
prev = l
|
|
|
f, n = l.split('\0')
|
|
|
if len(n) > 40:
|
|
|
yield f, revlog.bin(n[:40]), n[40:]
|
|
|
else:
|
|
|
yield f, revlog.bin(n), ''
|
|
|
|
|
|
def _parsev2(data):
|
|
|
metadataend = data.find('\n')
|
|
|
# Just ignore metadata for now
|
|
|
pos = metadataend + 1
|
|
|
prevf = ''
|
|
|
while pos < len(data):
|
|
|
end = data.find('\n', pos + 1) # +1 to skip stem length byte
|
|
|
if end == -1:
|
|
|
raise ValueError('Manifest ended with incomplete file entry.')
|
|
|
stemlen = ord(data[pos])
|
|
|
items = data[pos + 1:end].split('\0')
|
|
|
f = prevf[:stemlen] + items[0]
|
|
|
if prevf > f:
|
|
|
raise ValueError('Manifest entries not in sorted order.')
|
|
|
fl = items[1]
|
|
|
# Just ignore metadata (items[2:] for now)
|
|
|
n = data[end + 1:end + 21]
|
|
|
yield f, n, fl
|
|
|
pos = end + 22
|
|
|
prevf = f
|
|
|
|
|
|
def _parse(data):
|
|
|
"""Generates (path, node, flags) tuples from a manifest text"""
|
|
|
if data.startswith('\0'):
|
|
|
return iter(_parsev2(data))
|
|
|
else:
|
|
|
return iter(_parsev1(data))
|
|
|
|
|
|
def _text(it, usemanifestv2):
|
|
|
"""Given an iterator over (path, node, flags) tuples, returns a manifest
|
|
|
text"""
|
|
|
if usemanifestv2:
|
|
|
return _textv2(it)
|
|
|
else:
|
|
|
return _textv1(it)
|
|
|
|
|
|
def _textv1(it):
|
|
|
files = []
|
|
|
lines = []
|
|
|
_hex = revlog.hex
|
|
|
for f, n, fl in it:
|
|
|
files.append(f)
|
|
|
# if this is changed to support newlines in filenames,
|
|
|
# be sure to check the templates/ dir again (especially *-raw.tmpl)
|
|
|
lines.append("%s\0%s%s\n" % (f, _hex(n), fl))
|
|
|
|
|
|
_checkforbidden(files)
|
|
|
return ''.join(lines)
|
|
|
|
|
|
def _textv2(it):
|
|
|
files = []
|
|
|
lines = ['\0\n']
|
|
|
prevf = ''
|
|
|
for f, n, fl in it:
|
|
|
files.append(f)
|
|
|
stem = os.path.commonprefix([prevf, f])
|
|
|
stemlen = min(len(stem), 255)
|
|
|
lines.append("%c%s\0%s\n%s\n" % (stemlen, f[stemlen:], fl, n))
|
|
|
prevf = f
|
|
|
_checkforbidden(files)
|
|
|
return ''.join(lines)
|
|
|
|
|
|
class _lazymanifest(dict):
|
|
|
"""This is the pure implementation of lazymanifest.
|
|
|
|
|
|
It has not been optimized *at all* and is not lazy.
|
|
|
"""
|
|
|
|
|
|
def __init__(self, data):
|
|
|
dict.__init__(self)
|
|
|
for f, n, fl in _parse(data):
|
|
|
self[f] = n, fl
|
|
|
|
|
|
def __setitem__(self, k, v):
|
|
|
node, flag = v
|
|
|
assert node is not None
|
|
|
if len(node) > 21:
|
|
|
node = node[:21] # match c implementation behavior
|
|
|
dict.__setitem__(self, k, (node, flag))
|
|
|
|
|
|
def __iter__(self):
|
|
|
return iter(sorted(dict.keys(self)))
|
|
|
|
|
|
def iterkeys(self):
|
|
|
return iter(sorted(dict.keys(self)))
|
|
|
|
|
|
def iterentries(self):
|
|
|
return ((f, e[0], e[1]) for f, e in sorted(self.iteritems()))
|
|
|
|
|
|
def copy(self):
|
|
|
c = _lazymanifest('')
|
|
|
c.update(self)
|
|
|
return c
|
|
|
|
|
|
def diff(self, m2, clean=False):
|
|
|
'''Finds changes between the current manifest and m2.'''
|
|
|
diff = {}
|
|
|
|
|
|
for fn, e1 in self.iteritems():
|
|
|
if fn not in m2:
|
|
|
diff[fn] = e1, (None, '')
|
|
|
else:
|
|
|
e2 = m2[fn]
|
|
|
if e1 != e2:
|
|
|
diff[fn] = e1, e2
|
|
|
elif clean:
|
|
|
diff[fn] = None
|
|
|
|
|
|
for fn, e2 in m2.iteritems():
|
|
|
if fn not in self:
|
|
|
diff[fn] = (None, ''), e2
|
|
|
|
|
|
return diff
|
|
|
|
|
|
def filtercopy(self, filterfn):
|
|
|
c = _lazymanifest('')
|
|
|
for f, n, fl in self.iterentries():
|
|
|
if filterfn(f):
|
|
|
c[f] = n, fl
|
|
|
return c
|
|
|
|
|
|
def text(self):
|
|
|
"""Get the full data of this manifest as a bytestring."""
|
|
|
return _textv1(self.iterentries())
|
|
|
|
|
|
try:
|
|
|
_lazymanifest = parsers.lazymanifest
|
|
|
except AttributeError:
|
|
|
pass
|
|
|
|
|
|
class manifestdict(object):
|
|
|
def __init__(self, data=''):
|
|
|
if data.startswith('\0'):
|
|
|
#_lazymanifest can not parse v2
|
|
|
self._lm = _lazymanifest('')
|
|
|
for f, n, fl in _parsev2(data):
|
|
|
self._lm[f] = n, fl
|
|
|
else:
|
|
|
self._lm = _lazymanifest(data)
|
|
|
|
|
|
def __getitem__(self, key):
|
|
|
return self._lm[key][0]
|
|
|
|
|
|
def find(self, key):
|
|
|
return self._lm[key]
|
|
|
|
|
|
def __len__(self):
|
|
|
return len(self._lm)
|
|
|
|
|
|
def __setitem__(self, key, node):
|
|
|
self._lm[key] = node, self.flags(key, '')
|
|
|
|
|
|
def __contains__(self, key):
|
|
|
return key in self._lm
|
|
|
|
|
|
def __delitem__(self, key):
|
|
|
del self._lm[key]
|
|
|
|
|
|
def __iter__(self):
|
|
|
return self._lm.__iter__()
|
|
|
|
|
|
def iterkeys(self):
|
|
|
return self._lm.iterkeys()
|
|
|
|
|
|
def keys(self):
|
|
|
return list(self.iterkeys())
|
|
|
|
|
|
def filesnotin(self, m2):
|
|
|
'''Set of files in this manifest that are not in the other'''
|
|
|
files = set(self)
|
|
|
files.difference_update(m2)
|
|
|
return files
|
|
|
|
|
|
@propertycache
|
|
|
def _dirs(self):
|
|
|
return util.dirs(self)
|
|
|
|
|
|
def dirs(self):
|
|
|
return self._dirs
|
|
|
|
|
|
def hasdir(self, dir):
|
|
|
return dir in self._dirs
|
|
|
|
|
|
def _filesfastpath(self, match):
|
|
|
'''Checks whether we can correctly and quickly iterate over matcher
|
|
|
files instead of over manifest files.'''
|
|
|
files = match.files()
|
|
|
return (len(files) < 100 and (match.isexact() or
|
|
|
(not match.anypats() and util.all(fn in self for fn in files))))
|
|
|
|
|
|
def walk(self, match):
|
|
|
'''Generates matching file names.
|
|
|
|
|
|
Equivalent to manifest.matches(match).iterkeys(), but without creating
|
|
|
an entirely new manifest.
|
|
|
|
|
|
It also reports nonexistent files by marking them bad with match.bad().
|
|
|
'''
|
|
|
if match.always():
|
|
|
for f in iter(self):
|
|
|
yield f
|
|
|
return
|
|
|
|
|
|
fset = set(match.files())
|
|
|
|
|
|
# avoid the entire walk if we're only looking for specific files
|
|
|
if self._filesfastpath(match):
|
|
|
for fn in sorted(fset):
|
|
|
yield fn
|
|
|
return
|
|
|
|
|
|
for fn in self:
|
|
|
if fn in fset:
|
|
|
# specified pattern is the exact name
|
|
|
fset.remove(fn)
|
|
|
if match(fn):
|
|
|
yield fn
|
|
|
|
|
|
# for dirstate.walk, files=['.'] means "walk the whole tree".
|
|
|
# follow that here, too
|
|
|
fset.discard('.')
|
|
|
|
|
|
for fn in sorted(fset):
|
|
|
if not self.hasdir(fn):
|
|
|
match.bad(fn, None)
|
|
|
|
|
|
def matches(self, match):
|
|
|
'''generate a new manifest filtered by the match argument'''
|
|
|
if match.always():
|
|
|
return self.copy()
|
|
|
|
|
|
if self._filesfastpath(match):
|
|
|
m = manifestdict()
|
|
|
lm = self._lm
|
|
|
for fn in match.files():
|
|
|
if fn in lm:
|
|
|
m._lm[fn] = lm[fn]
|
|
|
return m
|
|
|
|
|
|
m = manifestdict()
|
|
|
m._lm = self._lm.filtercopy(match)
|
|
|
return m
|
|
|
|
|
|
def diff(self, m2, clean=False):
|
|
|
'''Finds changes between the current manifest and m2.
|
|
|
|
|
|
Args:
|
|
|
m2: the manifest to which this manifest should be compared.
|
|
|
clean: if true, include files unchanged between these manifests
|
|
|
with a None value in the returned dictionary.
|
|
|
|
|
|
The result is returned as a dict with filename as key and
|
|
|
values of the form ((n1,fl1),(n2,fl2)), where n1/n2 is the
|
|
|
nodeid in the current/other manifest and fl1/fl2 is the flag
|
|
|
in the current/other manifest. Where the file does not exist,
|
|
|
the nodeid will be None and the flags will be the empty
|
|
|
string.
|
|
|
'''
|
|
|
return self._lm.diff(m2._lm, clean)
|
|
|
|
|
|
def setflag(self, key, flag):
|
|
|
self._lm[key] = self[key], flag
|
|
|
|
|
|
def get(self, key, default=None):
|
|
|
try:
|
|
|
return self._lm[key][0]
|
|
|
except KeyError:
|
|
|
return default
|
|
|
|
|
|
def flags(self, key, default=''):
|
|
|
try:
|
|
|
return self._lm[key][1]
|
|
|
except KeyError:
|
|
|
return default
|
|
|
|
|
|
def copy(self):
|
|
|
c = manifestdict()
|
|
|
c._lm = self._lm.copy()
|
|
|
return c
|
|
|
|
|
|
def iteritems(self):
|
|
|
return (x[:2] for x in self._lm.iterentries())
|
|
|
|
|
|
def text(self, usemanifestv2=False):
|
|
|
if usemanifestv2:
|
|
|
return _textv2(self._lm.iterentries())
|
|
|
else:
|
|
|
# use (probably) native version for v1
|
|
|
return self._lm.text()
|
|
|
|
|
|
def fastdelta(self, base, changes):
|
|
|
"""Given a base manifest text as an array.array and a list of changes
|
|
|
relative to that text, compute a delta that can be used by revlog.
|
|
|
"""
|
|
|
delta = []
|
|
|
dstart = None
|
|
|
dend = None
|
|
|
dline = [""]
|
|
|
start = 0
|
|
|
# zero copy representation of base as a buffer
|
|
|
addbuf = util.buffer(base)
|
|
|
|
|
|
# start with a readonly loop that finds the offset of
|
|
|
# each line and creates the deltas
|
|
|
for f, todelete in changes:
|
|
|
# bs will either be the index of the item or the insert point
|
|
|
start, end = _msearch(addbuf, f, start)
|
|
|
if not todelete:
|
|
|
h, fl = self._lm[f]
|
|
|
l = "%s\0%s%s\n" % (f, revlog.hex(h), fl)
|
|
|
else:
|
|
|
if start == end:
|
|
|
# item we want to delete was not found, error out
|
|
|
raise AssertionError(
|
|
|
_("failed to remove %s from manifest") % f)
|
|
|
l = ""
|
|
|
if dstart is not None and dstart <= start and dend >= start:
|
|
|
if dend < end:
|
|
|
dend = end
|
|
|
if l:
|
|
|
dline.append(l)
|
|
|
else:
|
|
|
if dstart is not None:
|
|
|
delta.append([dstart, dend, "".join(dline)])
|
|
|
dstart = start
|
|
|
dend = end
|
|
|
dline = [l]
|
|
|
|
|
|
if dstart is not None:
|
|
|
delta.append([dstart, dend, "".join(dline)])
|
|
|
# apply the delta to the base, and get a delta for addrevision
|
|
|
deltatext, arraytext = _addlistdelta(base, delta)
|
|
|
return arraytext, deltatext
|
|
|
|
|
|
def _msearch(m, s, lo=0, hi=None):
|
|
|
'''return a tuple (start, end) that says where to find s within m.
|
|
|
|
|
|
If the string is found m[start:end] are the line containing
|
|
|
that string. If start == end the string was not found and
|
|
|
they indicate the proper sorted insertion point.
|
|
|
|
|
|
m should be a buffer or a string
|
|
|
s is a string'''
|
|
|
def advance(i, c):
|
|
|
while i < lenm and m[i] != c:
|
|
|
i += 1
|
|
|
return i
|
|
|
if not s:
|
|
|
return (lo, lo)
|
|
|
lenm = len(m)
|
|
|
if not hi:
|
|
|
hi = lenm
|
|
|
while lo < hi:
|
|
|
mid = (lo + hi) // 2
|
|
|
start = mid
|
|
|
while start > 0 and m[start - 1] != '\n':
|
|
|
start -= 1
|
|
|
end = advance(start, '\0')
|
|
|
if m[start:end] < s:
|
|
|
# we know that after the null there are 40 bytes of sha1
|
|
|
# this translates to the bisect lo = mid + 1
|
|
|
lo = advance(end + 40, '\n') + 1
|
|
|
else:
|
|
|
# this translates to the bisect hi = mid
|
|
|
hi = start
|
|
|
end = advance(lo, '\0')
|
|
|
found = m[lo:end]
|
|
|
if s == found:
|
|
|
# we know that after the null there are 40 bytes of sha1
|
|
|
end = advance(end + 40, '\n')
|
|
|
return (lo, end + 1)
|
|
|
else:
|
|
|
return (lo, lo)
|
|
|
|
|
|
def _checkforbidden(l):
|
|
|
"""Check filenames for illegal characters."""
|
|
|
for f in l:
|
|
|
if '\n' in f or '\r' in f:
|
|
|
raise error.RevlogError(
|
|
|
_("'\\n' and '\\r' disallowed in filenames: %r") % f)
|
|
|
|
|
|
|
|
|
# apply the changes collected during the bisect loop to our addlist
|
|
|
# return a delta suitable for addrevision
|
|
|
def _addlistdelta(addlist, x):
|
|
|
# for large addlist arrays, building a new array is cheaper
|
|
|
# than repeatedly modifying the existing one
|
|
|
currentposition = 0
|
|
|
newaddlist = array.array('c')
|
|
|
|
|
|
for start, end, content in x:
|
|
|
newaddlist += addlist[currentposition:start]
|
|
|
if content:
|
|
|
newaddlist += array.array('c', content)
|
|
|
|
|
|
currentposition = end
|
|
|
|
|
|
newaddlist += addlist[currentposition:]
|
|
|
|
|
|
deltatext = "".join(struct.pack(">lll", start, end, len(content))
|
|
|
+ content for start, end, content in x)
|
|
|
return deltatext, newaddlist
|
|
|
|
|
|
def _splittopdir(f):
|
|
|
if '/' in f:
|
|
|
dir, subpath = f.split('/', 1)
|
|
|
return dir + '/', subpath
|
|
|
else:
|
|
|
return '', f
|
|
|
|
|
|
class treemanifest(object):
|
|
|
def __init__(self, dir='', text=''):
|
|
|
self._dir = dir
|
|
|
self._node = revlog.nullid
|
|
|
self._dirs = {}
|
|
|
# Using _lazymanifest here is a little slower than plain old dicts
|
|
|
self._files = {}
|
|
|
self._flags = {}
|
|
|
def readsubtree(subdir, subm):
|
|
|
raise AssertionError('treemanifest constructor only accepts '
|
|
|
'flat manifests')
|
|
|
self.parse(text, readsubtree)
|
|
|
|
|
|
def _subpath(self, path):
|
|
|
return self._dir + path
|
|
|
|
|
|
def __len__(self):
|
|
|
size = len(self._files)
|
|
|
for m in self._dirs.values():
|
|
|
size += m.__len__()
|
|
|
return size
|
|
|
|
|
|
def _isempty(self):
|
|
|
return (not self._files and (not self._dirs or
|
|
|
util.all(m._isempty() for m in self._dirs.values())))
|
|
|
|
|
|
def __str__(self):
|
|
|
return ('<treemanifest dir=%s, node=%s>' %
|
|
|
(self._dir, revlog.hex(self._node)))
|
|
|
|
|
|
def dir(self):
|
|
|
'''The directory that this tree manifest represents, including a
|
|
|
trailing '/'. Empty string for the repo root directory.'''
|
|
|
return self._dir
|
|
|
|
|
|
def node(self):
|
|
|
'''This node of this instance. nullid for unsaved instances. Should
|
|
|
be updated when the instance is read or written from a revlog.
|
|
|
'''
|
|
|
return self._node
|
|
|
|
|
|
def setnode(self, node):
|
|
|
self._node = node
|
|
|
|
|
|
def iteritems(self):
|
|
|
for p, n in sorted(self._dirs.items() + self._files.items()):
|
|
|
if p in self._files:
|
|
|
yield self._subpath(p), n
|
|
|
else:
|
|
|
for f, sn in n.iteritems():
|
|
|
yield f, sn
|
|
|
|
|
|
def iterkeys(self):
|
|
|
for p in sorted(self._dirs.keys() + self._files.keys()):
|
|
|
if p in self._files:
|
|
|
yield self._subpath(p)
|
|
|
else:
|
|
|
for f in self._dirs[p].iterkeys():
|
|
|
yield f
|
|
|
|
|
|
def keys(self):
|
|
|
return list(self.iterkeys())
|
|
|
|
|
|
def __iter__(self):
|
|
|
return self.iterkeys()
|
|
|
|
|
|
def __contains__(self, f):
|
|
|
if f is None:
|
|
|
return False
|
|
|
dir, subpath = _splittopdir(f)
|
|
|
if dir:
|
|
|
if dir not in self._dirs:
|
|
|
return False
|
|
|
return self._dirs[dir].__contains__(subpath)
|
|
|
else:
|
|
|
return f in self._files
|
|
|
|
|
|
def get(self, f, default=None):
|
|
|
dir, subpath = _splittopdir(f)
|
|
|
if dir:
|
|
|
if dir not in self._dirs:
|
|
|
return default
|
|
|
return self._dirs[dir].get(subpath, default)
|
|
|
else:
|
|
|
return self._files.get(f, default)
|
|
|
|
|
|
def __getitem__(self, f):
|
|
|
dir, subpath = _splittopdir(f)
|
|
|
if dir:
|
|
|
return self._dirs[dir].__getitem__(subpath)
|
|
|
else:
|
|
|
return self._files[f]
|
|
|
|
|
|
def flags(self, f):
|
|
|
dir, subpath = _splittopdir(f)
|
|
|
if dir:
|
|
|
if dir not in self._dirs:
|
|
|
return ''
|
|
|
return self._dirs[dir].flags(subpath)
|
|
|
else:
|
|
|
if f in self._dirs:
|
|
|
return ''
|
|
|
return self._flags.get(f, '')
|
|
|
|
|
|
def find(self, f):
|
|
|
dir, subpath = _splittopdir(f)
|
|
|
if dir:
|
|
|
return self._dirs[dir].find(subpath)
|
|
|
else:
|
|
|
return self._files[f], self._flags.get(f, '')
|
|
|
|
|
|
def __delitem__(self, f):
|
|
|
dir, subpath = _splittopdir(f)
|
|
|
if dir:
|
|
|
self._dirs[dir].__delitem__(subpath)
|
|
|
# If the directory is now empty, remove it
|
|
|
if self._dirs[dir]._isempty():
|
|
|
del self._dirs[dir]
|
|
|
else:
|
|
|
del self._files[f]
|
|
|
if f in self._flags:
|
|
|
del self._flags[f]
|
|
|
|
|
|
def __setitem__(self, f, n):
|
|
|
assert n is not None
|
|
|
dir, subpath = _splittopdir(f)
|
|
|
if dir:
|
|
|
if dir not in self._dirs:
|
|
|
self._dirs[dir] = treemanifest(self._subpath(dir))
|
|
|
self._dirs[dir].__setitem__(subpath, n)
|
|
|
else:
|
|
|
self._files[f] = n[:21] # to match manifestdict's behavior
|
|
|
|
|
|
def setflag(self, f, flags):
|
|
|
"""Set the flags (symlink, executable) for path f."""
|
|
|
assert 'd' not in flags
|
|
|
dir, subpath = _splittopdir(f)
|
|
|
if dir:
|
|
|
if dir not in self._dirs:
|
|
|
self._dirs[dir] = treemanifest(self._subpath(dir))
|
|
|
self._dirs[dir].setflag(subpath, flags)
|
|
|
else:
|
|
|
self._flags[f] = flags
|
|
|
|
|
|
def copy(self):
|
|
|
copy = treemanifest(self._dir)
|
|
|
copy._node = self._node
|
|
|
for d in self._dirs:
|
|
|
copy._dirs[d] = self._dirs[d].copy()
|
|
|
copy._files = dict.copy(self._files)
|
|
|
copy._flags = dict.copy(self._flags)
|
|
|
return copy
|
|
|
|
|
|
def filesnotin(self, m2):
|
|
|
'''Set of files in this manifest that are not in the other'''
|
|
|
files = set()
|
|
|
def _filesnotin(t1, t2):
|
|
|
for d, m1 in t1._dirs.iteritems():
|
|
|
if d in t2._dirs:
|
|
|
m2 = t2._dirs[d]
|
|
|
_filesnotin(m1, m2)
|
|
|
else:
|
|
|
files.update(m1.iterkeys())
|
|
|
|
|
|
for fn in t1._files.iterkeys():
|
|
|
if fn not in t2._files:
|
|
|
files.add(t1._subpath(fn))
|
|
|
|
|
|
_filesnotin(self, m2)
|
|
|
return files
|
|
|
|
|
|
@propertycache
|
|
|
def _alldirs(self):
|
|
|
return util.dirs(self)
|
|
|
|
|
|
def dirs(self):
|
|
|
return self._alldirs
|
|
|
|
|
|
def hasdir(self, dir):
|
|
|
topdir, subdir = _splittopdir(dir)
|
|
|
if topdir:
|
|
|
if topdir in self._dirs:
|
|
|
return self._dirs[topdir].hasdir(subdir)
|
|
|
return False
|
|
|
return (dir + '/') in self._dirs
|
|
|
|
|
|
def walk(self, match):
|
|
|
'''Generates matching file names.
|
|
|
|
|
|
Equivalent to manifest.matches(match).iterkeys(), but without creating
|
|
|
an entirely new manifest.
|
|
|
|
|
|
It also reports nonexistent files by marking them bad with match.bad().
|
|
|
'''
|
|
|
if match.always():
|
|
|
for f in iter(self):
|
|
|
yield f
|
|
|
return
|
|
|
|
|
|
fset = set(match.files())
|
|
|
|
|
|
for fn in self._walk(match):
|
|
|
if fn in fset:
|
|
|
# specified pattern is the exact name
|
|
|
fset.remove(fn)
|
|
|
yield fn
|
|
|
|
|
|
# for dirstate.walk, files=['.'] means "walk the whole tree".
|
|
|
# follow that here, too
|
|
|
fset.discard('.')
|
|
|
|
|
|
for fn in sorted(fset):
|
|
|
if not self.hasdir(fn):
|
|
|
match.bad(fn, None)
|
|
|
|
|
|
def _walk(self, match, alldirs=False):
|
|
|
'''Recursively generates matching file names for walk().
|
|
|
|
|
|
Will visit all subdirectories if alldirs is True, otherwise it will
|
|
|
only visit subdirectories for which match.visitdir is True.'''
|
|
|
|
|
|
if not alldirs:
|
|
|
# substring to strip trailing slash
|
|
|
visit = match.visitdir(self._dir[:-1] or '.')
|
|
|
if not visit:
|
|
|
return
|
|
|
alldirs = (visit == 'all')
|
|
|
|
|
|
# yield this dir's files and walk its submanifests
|
|
|
for p in sorted(self._dirs.keys() + self._files.keys()):
|
|
|
if p in self._files:
|
|
|
fullp = self._subpath(p)
|
|
|
if match(fullp):
|
|
|
yield fullp
|
|
|
else:
|
|
|
for f in self._dirs[p]._walk(match, alldirs):
|
|
|
yield f
|
|
|
|
|
|
def matches(self, match):
|
|
|
'''generate a new manifest filtered by the match argument'''
|
|
|
if match.always():
|
|
|
return self.copy()
|
|
|
|
|
|
return self._matches(match)
|
|
|
|
|
|
def _matches(self, match, alldirs=False):
|
|
|
'''recursively generate a new manifest filtered by the match argument.
|
|
|
|
|
|
Will visit all subdirectories if alldirs is True, otherwise it will
|
|
|
only visit subdirectories for which match.visitdir is True.'''
|
|
|
|
|
|
ret = treemanifest(self._dir)
|
|
|
if not alldirs:
|
|
|
# substring to strip trailing slash
|
|
|
visit = match.visitdir(self._dir[:-1] or '.')
|
|
|
if not visit:
|
|
|
return ret
|
|
|
alldirs = (visit == 'all')
|
|
|
|
|
|
for fn in self._files:
|
|
|
fullp = self._subpath(fn)
|
|
|
if not match(fullp):
|
|
|
continue
|
|
|
ret._files[fn] = self._files[fn]
|
|
|
if fn in self._flags:
|
|
|
ret._flags[fn] = self._flags[fn]
|
|
|
|
|
|
for dir, subm in self._dirs.iteritems():
|
|
|
m = subm._matches(match, alldirs)
|
|
|
if not m._isempty():
|
|
|
ret._dirs[dir] = m
|
|
|
|
|
|
return ret
|
|
|
|
|
|
def diff(self, m2, clean=False):
|
|
|
'''Finds changes between the current manifest and m2.
|
|
|
|
|
|
Args:
|
|
|
m2: the manifest to which this manifest should be compared.
|
|
|
clean: if true, include files unchanged between these manifests
|
|
|
with a None value in the returned dictionary.
|
|
|
|
|
|
The result is returned as a dict with filename as key and
|
|
|
values of the form ((n1,fl1),(n2,fl2)), where n1/n2 is the
|
|
|
nodeid in the current/other manifest and fl1/fl2 is the flag
|
|
|
in the current/other manifest. Where the file does not exist,
|
|
|
the nodeid will be None and the flags will be the empty
|
|
|
string.
|
|
|
'''
|
|
|
result = {}
|
|
|
emptytree = treemanifest()
|
|
|
def _diff(t1, t2):
|
|
|
for d, m1 in t1._dirs.iteritems():
|
|
|
m2 = t2._dirs.get(d, emptytree)
|
|
|
_diff(m1, m2)
|
|
|
|
|
|
for d, m2 in t2._dirs.iteritems():
|
|
|
if d not in t1._dirs:
|
|
|
_diff(emptytree, m2)
|
|
|
|
|
|
for fn, n1 in t1._files.iteritems():
|
|
|
fl1 = t1._flags.get(fn, '')
|
|
|
n2 = t2._files.get(fn, None)
|
|
|
fl2 = t2._flags.get(fn, '')
|
|
|
if n1 != n2 or fl1 != fl2:
|
|
|
result[t1._subpath(fn)] = ((n1, fl1), (n2, fl2))
|
|
|
elif clean:
|
|
|
result[t1._subpath(fn)] = None
|
|
|
|
|
|
for fn, n2 in t2._files.iteritems():
|
|
|
if fn not in t1._files:
|
|
|
fl2 = t2._flags.get(fn, '')
|
|
|
result[t2._subpath(fn)] = ((None, ''), (n2, fl2))
|
|
|
|
|
|
_diff(self, m2)
|
|
|
return result
|
|
|
|
|
|
def parse(self, text, readsubtree):
|
|
|
for f, n, fl in _parse(text):
|
|
|
if fl == 'd':
|
|
|
f = f + '/'
|
|
|
self._dirs[f] = readsubtree(self._subpath(f), n)
|
|
|
else:
|
|
|
# Use __setitem__ and setflag rather than assigning directly
|
|
|
# to _files and _flags, thereby letting us parse flat manifests
|
|
|
# as well as tree manifests.
|
|
|
self[f] = n
|
|
|
if fl:
|
|
|
self.setflag(f, fl)
|
|
|
|
|
|
def text(self, usemanifestv2=False):
|
|
|
"""Get the full data of this manifest as a bytestring."""
|
|
|
flags = self.flags
|
|
|
return _text(((f, self[f], flags(f)) for f in self.keys()),
|
|
|
usemanifestv2)
|
|
|
|
|
|
def dirtext(self, usemanifestv2=False):
|
|
|
"""Get the full data of this directory as a bytestring. Make sure that
|
|
|
any submanifests have been written first, so their nodeids are correct.
|
|
|
"""
|
|
|
flags = self.flags
|
|
|
dirs = [(d[:-1], self._dirs[d]._node, 'd') for d in self._dirs]
|
|
|
files = [(f, self._files[f], flags(f)) for f in self._files]
|
|
|
return _text(sorted(dirs + files), usemanifestv2)
|
|
|
|
|
|
def writesubtrees(self, m1, m2, writesubtree):
|
|
|
emptytree = treemanifest()
|
|
|
for d, subm in self._dirs.iteritems():
|
|
|
subp1 = m1._dirs.get(d, emptytree)._node
|
|
|
subp2 = m2._dirs.get(d, emptytree)._node
|
|
|
if subp1 == revlog.nullid:
|
|
|
subp1, subp2 = subp2, subp1
|
|
|
writesubtree(subm, subp1, subp2)
|
|
|
|
|
|
class manifest(revlog.revlog):
|
|
|
def __init__(self, opener, dir=''):
|
|
|
# During normal operations, we expect to deal with not more than four
|
|
|
# revs at a time (such as during commit --amend). When rebasing large
|
|
|
# stacks of commits, the number can go up, hence the config knob below.
|
|
|
cachesize = 4
|
|
|
usetreemanifest = False
|
|
|
usemanifestv2 = False
|
|
|
opts = getattr(opener, 'options', None)
|
|
|
if opts is not None:
|
|
|
cachesize = opts.get('manifestcachesize', cachesize)
|
|
|
usetreemanifest = opts.get('treemanifest', usetreemanifest)
|
|
|
usemanifestv2 = opts.get('manifestv2', usemanifestv2)
|
|
|
self._mancache = util.lrucachedict(cachesize)
|
|
|
self._treeinmem = usetreemanifest
|
|
|
self._treeondisk = usetreemanifest
|
|
|
self._usemanifestv2 = usemanifestv2
|
|
|
indexfile = "00manifest.i"
|
|
|
if dir:
|
|
|
assert self._treeondisk
|
|
|
indexfile = "meta/" + dir + "00manifest.i"
|
|
|
revlog.revlog.__init__(self, opener, indexfile)
|
|
|
self._dir = dir
|
|
|
|
|
|
def _newmanifest(self, data=''):
|
|
|
if self._treeinmem:
|
|
|
return treemanifest(self._dir, data)
|
|
|
return manifestdict(data)
|
|
|
|
|
|
def _slowreaddelta(self, node):
|
|
|
r0 = self.deltaparent(self.rev(node))
|
|
|
m0 = self.read(self.node(r0))
|
|
|
m1 = self.read(node)
|
|
|
md = self._newmanifest()
|
|
|
for f, ((n0, fl0), (n1, fl1)) in m0.diff(m1).iteritems():
|
|
|
if n1:
|
|
|
md[f] = n1
|
|
|
if fl1:
|
|
|
md.setflag(f, fl1)
|
|
|
return md
|
|
|
|
|
|
def readdelta(self, node):
|
|
|
if self._usemanifestv2 or self._treeondisk:
|
|
|
return self._slowreaddelta(node)
|
|
|
r = self.rev(node)
|
|
|
d = mdiff.patchtext(self.revdiff(self.deltaparent(r), r))
|
|
|
return self._newmanifest(d)
|
|
|
|
|
|
def readfast(self, node):
|
|
|
'''use the faster of readdelta or read
|
|
|
|
|
|
This will return a manifest which is either only the files
|
|
|
added/modified relative to p1, or all files in the
|
|
|
manifest. Which one is returned depends on the codepath used
|
|
|
to retrieve the data.
|
|
|
'''
|
|
|
r = self.rev(node)
|
|
|
deltaparent = self.deltaparent(r)
|
|
|
if deltaparent != revlog.nullrev and deltaparent in self.parentrevs(r):
|
|
|
return self.readdelta(node)
|
|
|
return self.read(node)
|
|
|
|
|
|
def read(self, node):
|
|
|
if node == revlog.nullid:
|
|
|
return self._newmanifest() # don't upset local cache
|
|
|
if node in self._mancache:
|
|
|
return self._mancache[node][0]
|
|
|
text = self.revision(node)
|
|
|
if self._treeondisk:
|
|
|
def readsubtree(dir, subm):
|
|
|
sublog = manifest(self.opener, dir)
|
|
|
return sublog.read(subm)
|
|
|
m = self._newmanifest()
|
|
|
m.parse(text, readsubtree)
|
|
|
m.setnode(node)
|
|
|
arraytext = None
|
|
|
else:
|
|
|
m = self._newmanifest(text)
|
|
|
arraytext = array.array('c', text)
|
|
|
self._mancache[node] = (m, arraytext)
|
|
|
return m
|
|
|
|
|
|
def find(self, node, f):
|
|
|
'''look up entry for a single file efficiently.
|
|
|
return (node, flags) pair if found, (None, None) if not.'''
|
|
|
m = self.read(node)
|
|
|
try:
|
|
|
return m.find(f)
|
|
|
except KeyError:
|
|
|
return None, None
|
|
|
|
|
|
def add(self, m, transaction, link, p1, p2, added, removed):
|
|
|
if (p1 in self._mancache and not self._treeinmem
|
|
|
and not self._usemanifestv2):
|
|
|
# If our first parent is in the manifest cache, we can
|
|
|
# compute a delta here using properties we know about the
|
|
|
# manifest up-front, which may save time later for the
|
|
|
# revlog layer.
|
|
|
|
|
|
_checkforbidden(added)
|
|
|
# combine the changed lists into one list for sorting
|
|
|
work = [(x, False) for x in added]
|
|
|
work.extend((x, True) for x in removed)
|
|
|
# this could use heapq.merge() (from Python 2.6+) or equivalent
|
|
|
# since the lists are already sorted
|
|
|
work.sort()
|
|
|
|
|
|
arraytext, deltatext = m.fastdelta(self._mancache[p1][1], work)
|
|
|
cachedelta = self.rev(p1), deltatext
|
|
|
text = util.buffer(arraytext)
|
|
|
n = self.addrevision(text, transaction, link, p1, p2, cachedelta)
|
|
|
else:
|
|
|
# The first parent manifest isn't already loaded, so we'll
|
|
|
# just encode a fulltext of the manifest and pass that
|
|
|
# through to the revlog layer, and let it handle the delta
|
|
|
# process.
|
|
|
if self._treeondisk:
|
|
|
m1 = self.read(p1)
|
|
|
m2 = self.read(p2)
|
|
|
n = self._addtree(m, transaction, link, m1, m2)
|
|
|
arraytext = None
|
|
|
else:
|
|
|
text = m.text(self._usemanifestv2)
|
|
|
n = self.addrevision(text, transaction, link, p1, p2)
|
|
|
arraytext = array.array('c', text)
|
|
|
|
|
|
self._mancache[n] = (m, arraytext)
|
|
|
|
|
|
return n
|
|
|
|
|
|
def _addtree(self, m, transaction, link, m1, m2):
|
|
|
def writesubtree(subm, subp1, subp2):
|
|
|
sublog = manifest(self.opener, subm.dir())
|
|
|
sublog.add(subm, transaction, link, subp1, subp2, None, None)
|
|
|
m.writesubtrees(m1, m2, writesubtree)
|
|
|
text = m.dirtext(self._usemanifestv2)
|
|
|
# If the manifest is unchanged compared to one parent,
|
|
|
# don't write a new revision
|
|
|
if text == m1.dirtext(self._usemanifestv2):
|
|
|
n = m1.node()
|
|
|
elif text == m2.dirtext(self._usemanifestv2):
|
|
|
n = m2.node()
|
|
|
else:
|
|
|
n = self.addrevision(text, transaction, link, m1.node(), m2.node())
|
|
|
# Save nodeid so parent manifest can calculate its nodeid
|
|
|
m.setnode(n)
|
|
|
return n
|
|
|
|
