mercurial-scm/hg-stable: mercurial/patch.py comparison

comparison mercurial/patch.py @ 4897:4574925db5c0

Add Chris Mason's mpatch library. The original repo is http://oss.oracle.com/mercurial/mason/mpatch

author	Bryan O'Sullivan <bos@serpentine.com>
date	Tue, 17 Jul 2007 09:39:30 -0700
parents	e321f16f4eac
children	bc905a6c0e76

comparison

equal deleted inserted replaced

-:ee04732fe61d
+:4574925db5c0
 # patch.py - patch file parsing routines
 #
 # Copyright 2006 Brendan Cully <brendan@kublai.com>
+# Copyright 2007 Chris Mason <chris.mason@oracle.com>
 #
 # This software may be used and distributed according to the terms
 # of the GNU General Public License, incorporated herein by reference.
 from i18n import _
 from node import *
-import base85, cmdutil, mdiff, util, context, revlog
+import base85, cmdutil, mdiff, util, context, revlog, diffhelpers
 import cStringIO, email.Parser, os, popen2, re, sha
 import sys, tempfile, zlib
+class PatchError(Exception):
+pass
 # helper functions
 def copyfile(src, dst, basedir=None):
 if not basedir:
 GP_PATCH  = 1 << 0  # we have to run patch
 GP_FILTER = 1 << 1  # there's some copy/rename operation
 GP_BINARY = 1 << 2  # there's a binary patch
-def readgitpatch(patchname):
+def readgitpatch(fp, firstline):
 """extract git-style metadata about patches from <patchname>"""
 class gitpatch:
 "op is one of ADD, DELETE, RENAME, MODIFY or COPY"
 def __init__(self, path):
 self.path = path
 self.op = 'MODIFY'
 self.copymod = False
 self.lineno = 0
 self.binary = False
+def reader(fp, firstline):
+yield firstline
+for line in fp:
+yield line
 # Filter patch for git information
 gitre = re.compile('diff --git a/(.*) b/(.*)')
-pf = file(patchname)
 gp = None
 gitpatches = []
 # Can have a git patch with only metadata, causing patch to complain
 dopatch = 0
 lineno = 0
-for line in pf:
+for line in reader(fp, firstline):
 lineno += 1
 if line.startswith('diff --git'):
 m = gitre.match(line)
 if m:
 if gp:
 if not gitpatches:
 dopatch = GP_PATCH
 return (dopatch, gitpatches)
-def dogitpatch(patchname, gitpatches, cwd=None):
+def patch(patchname, ui, strip=1, cwd=None, files={}):
-"""Preprocess git patch so that vanilla patch can handle it"""
+"""apply the patch <patchname> to the working directory.
-def extractbin(fp):
+a list of patched files is returned"""
-i = [0] # yuck
+fp = file(patchname)
-def readline():
+fuzz = False
-i[0] += 1
+if cwd:
-return fp.readline().rstrip()
+curdir = os.getcwd()
-line = readline()
+os.chdir(cwd)
+try:
+ret = applydiff(ui, fp, files, strip=strip)
+except PatchError:
+raise util.Abort(_("patch failed to apply"))
+if cwd:
+os.chdir(curdir)
+if ret < 0:
+raise util.Abort(_("patch failed to apply"))
+if ret > 0:
+fuzz = True
+return fuzz
+# @@ -start,len +start,len @@ or @@ -start +start @@ if len is 1
+unidesc = re.compile('@@ -(\d+)(,(\d+))? \+(\d+)(,(\d+))? @@')
+contextdesc = re.compile('(---|\*\*\*) (\d+)(,(\d+))? (---|\*\*\*)')
+class patchfile:
+def __init__(self, ui, fname):
+self.fname = fname
+self.ui = ui
+try:
+fp = file(fname, 'r')
+self.lines = fp.readlines()
+self.exists = True
+except IOError:
+dirname = os.path.dirname(fname)
+if dirname and not os.path.isdir(dirname):
+dirs = dirname.split(os.path.sep)
+d = ""
+for x in dirs:
+d = os.path.join(d, x)
+if not os.path.isdir(d):
+os.mkdir(d)
+self.lines = []
+self.exists = False
+self.hash = {}
+self.dirty = 0
+self.offset = 0
+self.rej = []
+self.fileprinted = False
+self.printfile(False)
+self.hunks = 0
+def printfile(self, warn):
+if self.fileprinted:
+return
+if warn or self.ui.verbose:
+self.fileprinted = True
+s = _("patching file %s\n" % self.fname)
+if warn:
+self.ui.warn(s)
+else:
+self.ui.note(s)
+def findlines(self, l, linenum):
+# looks through the hash and finds candidate lines.  The
+# result is a list of line numbers sorted based on distance
+# from linenum
+def sorter(a, b):
+vala = abs(a - linenum)
+valb = abs(b - linenum)
+return cmp(vala, valb)
+try:
+cand = self.hash[l]
+except:
+return []
+if len(cand) > 1:
+# resort our list of potentials forward then back.
+cand.sort(cmp=sorter)
+return cand
+def hashlines(self):
+self.hash = {}
+for x in xrange(len(self.lines)):
+s = self.lines[x]
+self.hash.setdefault(s, []).append(x)
+def write_rej(self):
+# our rejects are a little different from patch(1).  This always
+# creates rejects in the same form as the original patch.  A file
+# header is inserted so that you can run the reject through patch again
+# without having to type the filename.
+if not self.rej:
+return
+if self.hunks != 1:
+hunkstr = "s"
+else:
+hunkstr = ""
+fname = self.fname + ".rej"
+self.ui.warn(
+_("%d out of %d hunk%s FAILED -- saving rejects to file %s\n" %
+(len(self.rej), self.hunks, hunkstr, fname)))
+try: os.unlink(fname)
+except:
+pass
+fp = file(fname, 'w')
+base = os.path.basename(self.fname)
+fp.write("--- %s\n+++ %s\n" % (base, base))
+for x in self.rej:
+for l in x.hunk:
+fp.write(l)
+if l[-1] != '\n':
+fp.write("\n\ No newline at end of file\n")
+def write(self, dest=None):
+if self.dirty:
+if not dest:
+dest = self.fname
+st = None
+try:
+st = os.lstat(dest)
+if st.st_nlink > 1:
+os.unlink(dest)
+except: pass
+fp = file(dest, 'w')
+if st:
+os.chmod(dest, st.st_mode)
+fp.writelines(self.lines)
+fp.close()
+def close(self):
+self.write()
+self.write_rej()
+def apply(self, h, reverse):
+if not h.complete():
+raise PatchError("bad hunk #%d %s (%d %d %d %d)" %
+(h.number, h.desc, len(h.a), h.lena, len(h.b),
+h.lenb))
+self.hunks += 1
+if reverse:
+h.reverse()
+if self.exists and h.createfile():
+self.ui.warn(_("file %s already exists\n" % self.fname))
+self.rej.append(h)
+return -1
+if isinstance(h, binhunk):
+if h.rmfile():
+os.unlink(self.fname)
+else:
+self.lines[:] = h.new()
+self.offset += len(h.new())
+self.dirty = 1
+return 0
+# fast case first, no offsets, no fuzz
+old = h.old()
+# patch starts counting at 1 unless we are adding the file
+if h.starta == 0:
+start = 0
+else:
+start = h.starta + self.offset - 1
+orig_start = start
+if diffhelpers.testhunk(old, self.lines, start) == 0:
+if h.rmfile():
+os.unlink(self.fname)
+else:
+self.lines[start : start + h.lena] = h.new()
+self.offset += h.lenb - h.lena
+self.dirty = 1
+return 0
+# ok, we couldn't match the hunk.  Lets look for offsets and fuzz it
+self.hashlines()
+if h.hunk[-1][0] != ' ':
+# if the hunk tried to put something at the bottom of the file
+# override the start line and use eof here
+search_start = len(self.lines)
+else:
+search_start = orig_start
+for fuzzlen in xrange(3):
+for toponly in [ True, False ]:
+old = h.old(fuzzlen, toponly)
+cand = self.findlines(old[0][1:], search_start)
+for l in cand:
+if diffhelpers.testhunk(old, self.lines, l) == 0:
+newlines = h.new(fuzzlen, toponly)
+self.lines[l : l + len(old)] = newlines
+self.offset += len(newlines) - len(old)
+self.dirty = 1
+if fuzzlen:
+fuzzstr = "with fuzz %d " % fuzzlen
+f = self.ui.warn
+self.printfile(True)
+else:
+fuzzstr = ""
+f = self.ui.note
+offset = l - orig_start - fuzzlen
+if offset == 1:
+linestr = "line"
+else:
+linestr = "lines"
+f(_("Hunk #%d succeeded at %d %s(offset %d %s).\n" %
+(h.number, l+1, fuzzstr, offset, linestr)))
+return fuzzlen
+self.printfile(True)
+self.ui.warn(_("Hunk #%d FAILED at %d\n" % (h.number, orig_start)))
+self.rej.append(h)
+return -1
+class hunk:
+def __init__(self, desc, num, lr, context):
+self.number = num
+self.desc = desc
+self.hunk = [ desc ]
+self.a = []
+self.b = []
+if context:
+self.read_context_hunk(lr)
+else:
+self.read_unified_hunk(lr)
+def read_unified_hunk(self, lr):
+m = unidesc.match(self.desc)
+if not m:
+raise PatchError("bad hunk #%d" % self.number)
+self.starta, foo, self.lena, self.startb, foo2, self.lenb = m.groups()
+if self.lena == None:
+self.lena = 1
+else:
+self.lena = int(self.lena)
+if self.lenb == None:
+self.lenb = 1
+else:
+self.lenb = int(self.lenb)
+self.starta = int(self.starta)
+self.startb = int(self.startb)
+diffhelpers.addlines(lr.fp, self.hunk, self.lena, self.lenb, self.a, self.b)
+# if we hit eof before finishing out the hunk, the last line will
+# be zero length.  Lets try to fix it up.
+while len(self.hunk[-1]) == 0:
+del self.hunk[-1]
+del self.a[-1]
+del self.b[-1]
+self.lena -= 1
+self.lenb -= 1
+def read_context_hunk(self, lr):
+self.desc = lr.readline()
+m = contextdesc.match(self.desc)
+if not m:
+raise PatchError("bad hunk #%d" % self.number)
+foo, self.starta, foo2, aend, foo3 = m.groups()
+self.starta = int(self.starta)
+if aend == None:
+aend = self.starta
+self.lena = int(aend) - self.starta
+if self.starta:
+self.lena += 1
+for x in xrange(self.lena):
+l = lr.readline()
+if l.startswith('---'):
+lr.push(l)
+break
+s = l[2:]
+if l.startswith('- ') or l.startswith('! '):
+u = '-' + s
+elif l.startswith('  '):
+u = ' ' + s
+else:
+raise PatchError("bad hunk #%d old text line %d" % (self.number, x))
+self.a.append(u)
+self.hunk.append(u)
+l = lr.readline()
+if l.startswith('\ '):
+s = self.a[-1][:-1]
+self.a[-1] = s
+self.hunk[-1] = s
+l = lr.readline()
+m = contextdesc.match(l)
+if not m:
+raise PatchError("bad hunk #%d" % self.number)
+foo, self.startb, foo2, bend, foo3 = m.groups()
+self.startb = int(self.startb)
+if bend == None:
+bend = self.startb
+self.lenb = int(bend) - self.startb
+if self.startb:
+self.lenb += 1
+hunki = 1
+for x in xrange(self.lenb):
+l = lr.readline()
+if l.startswith('\ '):
+s = self.b[-1][:-1]
+self.b[-1] = s
+self.hunk[hunki-1] = s
+continue
+if not l:
+lr.push(l)
+break
+s = l[2:]
+if l.startswith('+ ') or l.startswith('! '):
+u = '+' + s
+elif l.startswith('  '):
+u = ' ' + s
+elif len(self.b) == 0:
+# this can happen when the hunk does not add any lines
+lr.push(l)
+break
+else:
+raise PatchError("bad hunk #%d old text line %d" % (self.number, x))
+self.b.append(s)
+while True:
+if hunki >= len(self.hunk):
+h = ""
+else:
+h = self.hunk[hunki]
+hunki += 1
+if h == u:
+break
+elif h.startswith('-'):
+continue
+else:
+self.hunk.insert(hunki-1, u)
+break
+if not self.a:
+# this happens when lines were only added to the hunk
+for x in self.hunk:
+if x.startswith('-') or x.startswith(' '):
+self.a.append(x)
+if not self.b:
+# this happens when lines were only deleted from the hunk
+for x in self.hunk:
+if x.startswith('+') or x.startswith(' '):
+self.b.append(x[1:])
+# @@ -start,len +start,len @@
+self.desc = "@@ -%d,%d +%d,%d @@\n" % (self.starta, self.lena,
+self.startb, self.lenb)
+self.hunk[0] = self.desc
+def reverse(self):
+origlena = self.lena
+origstarta = self.starta
+self.lena = self.lenb
+self.starta = self.startb
+self.lenb = origlena
+self.startb = origstarta
+self.a = []
+self.b = []
+# self.hunk[0] is the @@ description
+for x in xrange(1, len(self.hunk)):
+o = self.hunk[x]
+if o.startswith('-'):
+n = '+' + o[1:]
+self.b.append(o[1:])
+elif o.startswith('+'):
+n = '-' + o[1:]
+self.a.append(n)
+else:
+n = o
+self.b.append(o[1:])
+self.a.append(o)
+self.hunk[x] = o
+def fix_newline(self):
+diffhelpers.fix_newline(self.hunk, self.a, self.b)
+def complete(self):
+return len(self.a) == self.lena and len(self.b) == self.lenb
+def createfile(self):
+return self.starta == 0 and self.lena == 0
+def rmfile(self):
+return self.startb == 0 and self.lenb == 0
+def fuzzit(self, l, fuzz, toponly):
+# this removes context lines from the top and bottom of list 'l'.  It
+# checks the hunk to make sure only context lines are removed, and then
+# returns a new shortened list of lines.
+fuzz = min(fuzz, len(l)-1)
+if fuzz:
+top = 0
+bot = 0
+hlen = len(self.hunk)
+for x in xrange(hlen-1):
+# the hunk starts with the @@ line, so use x+1
+if self.hunk[x+1][0] == ' ':
+top += 1
+else:
+break
+if not toponly:
+for x in xrange(hlen-1):
+if self.hunk[hlen-bot-1][0] == ' ':
+bot += 1
+else:
+break
+# top and bot now count context in the hunk
+# adjust them if either one is short
+context = max(top, bot, 3)
+if bot < context:
+bot = max(0, fuzz - (context - bot))
+else:
+bot = min(fuzz, bot)
+if top < context:
+top = max(0, fuzz - (context - top))
+else:
+top = min(fuzz, top)
+return l[top:len(l)-bot]
+return l
+def old(self, fuzz=0, toponly=False):
+return self.fuzzit(self.a, fuzz, toponly)
+def newctrl(self):
+res = []
+for x in self.hunk:
+c = x[0]
+if c == ' ' or c == '+':
+res.append(x)
+return res
+def new(self, fuzz=0, toponly=False):
+return self.fuzzit(self.b, fuzz, toponly)
+class binhunk:
+'A binary patch file. Only understands literals so far.'
+def __init__(self, gitpatch):
+self.gitpatch = gitpatch
+self.text = None
+self.hunk = ['GIT binary patch\n']
+def createfile(self):
+return self.gitpatch.op in ('ADD', 'RENAME', 'COPY')
+def rmfile(self):
+return self.gitpatch.op == 'DELETE'
+def complete(self):
+return self.text is not None
+def new(self):
+return [self.text]
+def extract(self, fp):
+line = fp.readline()
+self.hunk.append(line)
 while line and not line.startswith('literal '):
-line = readline()
+line = fp.readline()
+self.hunk.append(line)
 if not line:
-return None, i[0]
+raise PatchError('could not extract binary patch')
-size = int(line[8:])
+size = int(line[8:].rstrip())
 dec = []
-line = readline()
+line = fp.readline()
-while line:
+self.hunk.append(line)
+while len(line) > 1:
 l = line[0]
 if l <= 'Z' and l >= 'A':
 l = ord(l) - ord('A') + 1
 else:
 l = ord(l) - ord('a') + 27
-dec.append(base85.b85decode(line[1:])[:l])
+dec.append(base85.b85decode(line[1:-1])[:l])
-line = readline()
+line = fp.readline()
+self.hunk.append(line)
 text = zlib.decompress(''.join(dec))
 if len(text) != size:
-raise util.Abort(_('binary patch is %d bytes, not %d') %
+raise PatchError('binary patch is %d bytes, not %d' %
-(len(text), size))
+len(text), size)
-return text, i[0]
+self.text = text
-pf = file(patchname)
+def parsefilename(str):
-pfline = 1
+# --- filename \t|space stuff
+s = str[4:]
-fd, patchname = tempfile.mkstemp(prefix='hg-patch-')
+i = s.find('\t')
-tmpfp = os.fdopen(fd, 'w')
+if i < 0:
+i = s.find(' ')
-try:
+if i < 0:
-for i in xrange(len(gitpatches)):
+return s
-p = gitpatches[i]
+return s[:i]
-if not p.copymod and not p.binary:
+def selectfile(afile_orig, bfile_orig, hunk, strip, reverse):
+def pathstrip(path, count=1):
+pathlen = len(path)
+i = 0
+if count == 0:
+return path.rstrip()
+while count > 0:
+i = path.find(os.sep, i)
+if i == -1:
+raise PatchError("Unable to strip away %d dirs from %s" %
+(count, path))
+i += 1
+# consume '//' in the path
+while i < pathlen - 1 and path[i] == os.sep:
+i += 1
+count -= 1
+return path[i:].rstrip()
+nulla = afile_orig == "/dev/null"
+nullb = bfile_orig == "/dev/null"
+afile = pathstrip(afile_orig, strip)
+gooda = os.path.exists(afile) and not nulla
+bfile = pathstrip(bfile_orig, strip)
+if afile == bfile:
+goodb = gooda
+else:
+goodb = os.path.exists(bfile) and not nullb
+createfunc = hunk.createfile
+if reverse:
+createfunc = hunk.rmfile
+if not goodb and not gooda and not createfunc():
+raise PatchError(_("Unable to find %s or %s for patching\n" %
+(afile, bfile)))
+if gooda and goodb:
+fname = bfile
+if afile in bfile:
+fname = afile
+elif gooda:
+fname = afile
+elif not nullb:
+fname = bfile
+if afile in bfile:
+fname = afile
+elif not nulla:
+fname = afile
+return fname
+class linereader:
+# simple class to allow pushing lines back into the input stream
+def __init__(self, fp):
+self.fp = fp
+self.buf = []
+def push(self, line):
+self.buf.append(line)
+def readline(self):
+if self.buf:
+l = self.buf[0]
+del self.buf[0]
+return l
+return self.fp.readline()
+def applydiff(ui, fp, changed, strip=1, sourcefile=None, reverse=False,
+rejmerge=None, updatedir=None):
+"""reads a patch from fp and tries to apply it.  The dict 'changed' is
+filled in with all of the filenames changed by the patch.  Returns 0
+for a clean patch, -1 if any rejects were found and 1 if there was
+any fuzz."""
+def scangitpatch(fp, firstline, cwd=None):
+'''git patches can modify a file, then copy that file to
+a new file, but expect the source to be the unmodified form.
+So we scan the patch looking for that case so we can do
+the copies ahead of time.'''
+pos = 0
+try:
+pos = fp.tell()
+except IOError:
+fp = cStringIO.StringIO(fp.read())
+(dopatch, gitpatches) = readgitpatch(fp, firstline)
+for gp in gitpatches:
+if gp.copymod:
+copyfile(gp.oldpath, gp.path, basedir=cwd)
+fp.seek(pos)
+return fp, dopatch, gitpatches
+current_hunk = None
+current_file = None
+afile = ""
+bfile = ""
+state = None
+hunknum = 0
+rejects = 0
+git = False
+gitre = re.compile('diff --git (a/.*) (b/.*)')
+# our states
+BFILE = 1
+err = 0
+context = None
+lr = linereader(fp)
+dopatch = True
+gitworkdone = False
+while True:
+newfile = False
+x = lr.readline()
+if not x:
+break
+if current_hunk:
+if x.startswith('\ '):
+current_hunk.fix_newline()
+ret = current_file.apply(current_hunk, reverse)
+if ret > 0:
+err = 1
+current_hunk = None
+gitworkdone = False
+if ((sourcefile or state == BFILE) and ((not context and x[0] == '@') or
+((context or context == None) and x.startswith('***************')))):
+try:
+if context == None and x.startswith('***************'):
+context = True
+current_hunk = hunk(x, hunknum + 1, lr, context)
+except PatchError:
+current_hunk = None
 continue
+hunknum += 1
-# rewrite patch hunk
+if not current_file:
-while pfline < p.lineno:
+if sourcefile:
-tmpfp.write(pf.readline())
+current_file = patchfile(ui, sourcefile)
-pfline += 1
+else:
+current_file = selectfile(afile, bfile, current_hunk,
-if p.binary:
+strip, reverse)
-text, delta = extractbin(pf)
+current_file = patchfile(ui, current_file)
-if not text:
+changed.setdefault(current_file.fname, (None, None))
-raise util.Abort(_('binary patch extraction failed'))
+elif state == BFILE and x.startswith('GIT binary patch'):
-pfline += delta
+current_hunk = binhunk(changed[bfile[2:]][1])
-if not cwd:
+if not current_file:
-cwd = os.getcwd()
+if sourcefile:
-absdst = os.path.join(cwd, p.path)
+current_file = patchfile(ui, sourcefile)
-basedir = os.path.dirname(absdst)
+else:
-if not os.path.isdir(basedir):
+current_file = selectfile(afile, bfile, current_hunk,
-os.makedirs(basedir)
+strip, reverse)
-out = file(absdst, 'wb')
+current_file = patchfile(ui, current_file)
-out.write(text)
+hunknum += 1
-out.close()
+current_hunk.extract(fp)
-elif p.copymod:
+elif x.startswith('diff --git'):
-copyfile(p.oldpath, p.path, basedir=cwd)
+# check for git diff, scanning the whole patch file if needed
-tmpfp.write('diff --git a/%s b/%s\n' % (p.path, p.path))
+m = gitre.match(x)
-line = pf.readline()
+if m:
-pfline += 1
+afile, bfile = m.group(1, 2)
-while not line.startswith('--- a/'):
+if not git:
-tmpfp.write(line)
+git = True
-line = pf.readline()
+fp, dopatch, gitpatches = scangitpatch(fp, x)
-pfline += 1
+for gp in gitpatches:
-tmpfp.write('--- a/%s\n' % p.path)
+changed[gp.path] = (gp.op, gp)
+# else error?
-line = pf.readline()
+# copy/rename + modify should modify target, not source
-while line:
+if changed.get(bfile[2:], (None, None))[0] in ('COPY',
-tmpfp.write(line)
+'RENAME'):
-line = pf.readline()
+afile = bfile
-except:
+gitworkdone = True
-tmpfp.close()
+newfile = True
-os.unlink(patchname)
+elif x.startswith('---'):
-raise
+# check for a unified diff
+l2 = lr.readline()
-tmpfp.close()
+if not l2.startswith('+++'):
-return patchname
+lr.push(l2)
+continue
-def patch(patchname, ui, strip=1, cwd=None, files={}):
+newfile = True
-"""apply the patch <patchname> to the working directory.
+context = False
-a list of patched files is returned"""
+afile = parsefilename(x)
+bfile = parsefilename(l2)
-# helper function
+elif x.startswith('***'):
-def __patch(patchname):
+# check for a context diff
-"""patch and updates the files and fuzz variables"""
+l2 = lr.readline()
-fuzz = False
+if not l2.startswith('---'):
+lr.push(l2)
-args = []
+continue
-patcher = ui.config('ui', 'patch')
+l3 = lr.readline()
-if not patcher:
+lr.push(l3)
-patcher = util.find_exe('gpatch') or util.find_exe('patch')
+if not l3.startswith("***************"):
-# Try to be smart only if patch call was not supplied
+lr.push(l2)
-if util.needbinarypatch():
+continue
-args.append('--binary')
+newfile = True
+context = True
-if not patcher:
+afile = parsefilename(x)
-raise util.Abort(_('no patch command found in hgrc or PATH'))
+bfile = parsefilename(l2)
-if cwd:
+if newfile:
-args.append('-d %s' % util.shellquote(cwd))
+if current_file:
-fp = os.popen('%s %s -p%d < %s' % (patcher, ' '.join(args), strip,
+current_file.close()
-util.shellquote(patchname)))
+if rejmerge:
+rejmerge(current_file)
-for line in fp:
+rejects += len(current_file.rej)
-line = line.rstrip()
+state = BFILE
-ui.note(line + '\n')
+current_file = None
-if line.startswith('patching file '):
+hunknum = 0
-pf = util.parse_patch_output(line)
+if current_hunk:
-printed_file = False
+if current_hunk.complete():
-files.setdefault(pf, (None, None))
+ret = current_file.apply(current_hunk, reverse)
-elif line.find('with fuzz') >= 0:
+if ret > 0:
-fuzz = True
+err = 1
-if not printed_file:
+else:
-ui.warn(pf + '\n')
+fname = current_file and current_file.fname or None
-printed_file = True
+raise PatchError("malformed patch %s %s" % (fname,
-ui.warn(line + '\n')
+current_hunk.desc))
-elif line.find('saving rejects to file') >= 0:
+if current_file:
-ui.warn(line + '\n')
+current_file.close()
-elif line.find('FAILED') >= 0:
+if rejmerge:
-if not printed_file:
+rejmerge(current_file)
-ui.warn(pf + '\n')
+rejects += len(current_file.rej)
-printed_file = True
+if updatedir and git:
-ui.warn(line + '\n')
+updatedir(gitpatches)
-code = fp.close()
+if rejects:
-if code:
+return -1
-raise util.Abort(_("patch command failed: %s") %
+if hunknum == 0 and dopatch and not gitworkdone:
-util.explain_exit(code)[0])
+raise PatchError("No valid hunks found")
-return fuzz
+return err
-(dopatch, gitpatches) = readgitpatch(patchname)
-for gp in gitpatches:
-files[gp.path] = (gp.op, gp)
-fuzz = False
-if dopatch:
-filterpatch = dopatch & (GP_FILTER | GP_BINARY)
-if filterpatch:
-patchname = dogitpatch(patchname, gitpatches, cwd=cwd)
-try:
-if dopatch & GP_PATCH:
-fuzz = __patch(patchname)
-finally:
-if filterpatch:
-os.unlink(patchname)
-return fuzz
 def diffopts(ui, opts={}, untrusted=False):
 def get(key, name=None):
 return (opts.get(key) or
 ui.configbool('diff', name or key, None, untrusted=untrusted))

Mercurial > public > mercurial-scm > hg-stable

comparison mercurial/patch.py @ 4897:4574925db5c0