comparison mercurial/patch.py @ 9393:23c4e772c172

patch: remove the unused, broken reverse() function

9392:039bce1b505f

    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.missing:
            self.rej.append(h)
            return -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):
        self.create, self.remove = self.remove, self.create
        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

        i = s.find(' ')
        if i < 0:
            return s
    return s[:i]

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()

    if afile == bfile:
        goodb = gooda
    else:
        goodb = not nullb and os.path.exists(bfile)
    createfunc = hunk.createfile
    if reverse:
        createfunc = hunk.rmfile
    missing = not goodb and not gooda and not createfunc()

    # some diff programs apparently produce create patches where the
    # afile is not /dev/null, but rather the same name as the bfile
    if missing and afile == bfile:

                             current_hunk.desc))

    if hunknum == 0 and dopatch and not gitworkdone:
        raise NoHunks

def applydiff(ui, fp, changed, strip=1, sourcefile=None, reverse=False,
              eol=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

    for state, values in iterhunks(ui, fp, sourcefile, textmode):
        if state == 'hunk':
            if not current_file:
                continue
            current_hunk = values
            ret = current_file.apply(current_hunk, reverse)
            if ret >= 0:
                changed.setdefault(current_file.fname, None)
                if ret > 0:
                    err = 1
        elif state == 'file':

            try:
                if sourcefile:
                    current_file = patchfile(ui, sourcefile, opener, eol=eol)
                else:
                    current_file, missing = selectfile(afile, bfile, first_hunk,
                                            strip, reverse)
                    current_file = patchfile(ui, current_file, opener, missing, eol)
            except PatchError, err:
                ui.warn(str(err) + '\n')
                current_file, current_hunk = None, None
                rejects += 1

9393:23c4e772c172

    def close(self):
        self.write()
        self.write_rej()

    def apply(self, h):
        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 self.missing:
            self.rej.append(h)
            return -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 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

        i = s.find(' ')
        if i < 0:
            return s
    return s[:i]

def selectfile(afile_orig, bfile_orig, hunk, strip):
    def pathstrip(path, count=1):
        pathlen = len(path)
        i = 0
        if count == 0:
            return '', path.rstrip()

    if afile == bfile:
        goodb = gooda
    else:
        goodb = not nullb and os.path.exists(bfile)
    createfunc = hunk.createfile
    missing = not goodb and not gooda and not createfunc()

    # some diff programs apparently produce create patches where the
    # afile is not /dev/null, but rather the same name as the bfile
    if missing and afile == bfile:

                             current_hunk.desc))

    if hunknum == 0 and dopatch and not gitworkdone:
        raise NoHunks

def applydiff(ui, fp, changed, strip=1, sourcefile=None, eol=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

    for state, values in iterhunks(ui, fp, sourcefile, textmode):
        if state == 'hunk':
            if not current_file:
                continue
            current_hunk = values
            ret = current_file.apply(current_hunk)
            if ret >= 0:
                changed.setdefault(current_file.fname, None)
                if ret > 0:
                    err = 1
        elif state == 'file':

            try:
                if sourcefile:
                    current_file = patchfile(ui, sourcefile, opener, eol=eol)
                else:
                    current_file, missing = selectfile(afile, bfile, first_hunk,
                                            strip)
                    current_file = patchfile(ui, current_file, opener, missing, eol)
            except PatchError, err:
                ui.warn(str(err) + '\n')
                current_file, current_hunk = None, None
                rejects += 1