comparison mercurial/patch.py @ 9585:ea1935e2020a

patch: handle symlinks without symlinkhunk

Symlink creations and deletions were handled with a special symlinkhunk object,
working like a binary hunk. However, this model does not support symlink
updates or replacements, so we teach regular hunks how to handle symlinks.

9575:5e44d9e562bc

        self.fileprinted = False
        self.printfile(False)
        self.hunks = 0

    def readlines(self, fname):
        fp = self.opener(fname, 'r')
        try:
            return list(linereader(fp, self.eol is not None))
        finally:
            fp.close()

    def writelines(self, fname, lines):
        fp = self.opener(fname, 'w')
        try:
            if self.eol and self.eol != '\n':
                for l in lines:
                    if l and l[-1] == '\n':

        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, githunk):
            if h.rmfile():
                self.unlink(self.fname)
            else:
                self.lines[:] = h.new()
                self.offset += len(h.new())

        return res

    def new(self, fuzz=0, toponly=False):
        return self.fuzzit(self.b, fuzz, toponly)

class githunk(object):
    """A git hunk"""
    def __init__(self, gitpatch):
        self.gitpatch = gitpatch
        self.text = None
        self.hunk = []

    def createfile(self):
        return self.gitpatch.op in ('ADD', 'RENAME', 'COPY')

    def rmfile(self):

    def complete(self):
        return self.text is not None

    def new(self):
        return [self.text]

class binhunk(githunk):
    'A binary patch file. Only understands literals so far.'
    def __init__(self, gitpatch):
        super(binhunk, self).__init__(gitpatch)
        self.hunk = ['GIT binary patch\n']

    def extract(self, lr):
        line = lr.readline()
        self.hunk.append(line)
        while line and not line.startswith('literal '):

        if len(text) != size:
            raise PatchError(_('binary patch is %d bytes, not %d') %
                             len(text), size)
        self.text = text

class symlinkhunk(githunk):
    """A git symlink hunk"""
    def __init__(self, gitpatch, hunk):
        super(symlinkhunk, self).__init__(gitpatch)
        self.hunk = hunk

    def complete(self):
        return True

    def fix_newline(self):
        return

def parsefilename(str):
    # --- filename \t|space stuff
    s = str[4:].rstrip('\r\n')
    i = s.find('\t')
    if i < 0:

                    context = True
                gpatch = changed.get(bfile)
                create = afile == '/dev/null' or gpatch and gpatch.op == 'ADD'
                remove = bfile == '/dev/null' or gpatch and gpatch.op == 'DELETE'
                current_hunk = hunk(x, hunknum + 1, lr, context, create, remove)
                if remove:
                    gpatch = changed.get(afile[2:])
                    if gpatch and gpatch.mode[0]:
                        current_hunk = symlinkhunk(gpatch, current_hunk)
            except PatchError, err:
                ui.debug(err)
                current_hunk = None
                continue
            hunknum += 1

9585:ea1935e2020a

        self.fileprinted = False
        self.printfile(False)
        self.hunks = 0

    def readlines(self, fname):
        if os.path.islink(fname):
            return [os.readlink(fname)]
        fp = self.opener(fname, 'r')
        try:
            return list(linereader(fp, self.eol is not None))
        finally:
            fp.close()

    def writelines(self, fname, lines):        
        fp = self.opener(fname, 'w')
        try:
            if self.eol and self.eol != '\n':
                for l in lines:
                    if l and l[-1] == '\n':

        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():
                self.unlink(self.fname)
            else:
                self.lines[:] = h.new()
                self.offset += len(h.new())

        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):

    def complete(self):
        return self.text is not None

    def new(self):
        return [self.text]

    def extract(self, lr):
        line = lr.readline()
        self.hunk.append(line)
        while line and not line.startswith('literal '):

        if len(text) != size:
            raise PatchError(_('binary patch is %d bytes, not %d') %
                             len(text), size)
        self.text = text

def parsefilename(str):
    # --- filename \t|space stuff
    s = str[4:].rstrip('\r\n')
    i = s.find('\t')
    if i < 0:

                    context = True
                gpatch = changed.get(bfile)
                create = afile == '/dev/null' or gpatch and gpatch.op == 'ADD'
                remove = bfile == '/dev/null' or gpatch and gpatch.op == 'DELETE'
                current_hunk = hunk(x, hunknum + 1, lr, context, create, remove)
            except PatchError, err:
                ui.debug(err)
                current_hunk = None
                continue
            hunknum += 1