comparison mercurial/patch.py @ 5852:03ce5a919ae3

patch: handle empty vs no file in git patches (issue906)

5851:03f550f9b554

        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)

    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.

        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, err:
                ui.debug(err)
                current_hunk = None
                continue
            hunknum += 1

5852:03ce5a919ae3

        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, gitpatch=None):
        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)
        self.gitpatch = gitpatch

    def read_unified_hunk(self, lr):
        m = unidesc.match(self.desc)
        if not m:
            raise PatchError(_("bad hunk #%d") % self.number)

    def complete(self):
        return len(self.a) == self.lena and len(self.b) == self.lenb

    def createfile(self):
        create = self.gitpatch is None or self.gitpatch.op == 'ADD'
        return self.starta == 0 and self.lena == 0 and create

    def rmfile(self):
        remove = self.gitpatch is None or self.gitpatch.op == 'DELETE'
        return self.startb == 0 and self.lenb == 0 and remove

    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.

        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
                gpatch = changed.get(bfile[2:], (None, None))[1]
                current_hunk = hunk(x, hunknum + 1, lr, context, gpatch)
            except PatchError, err:
                ui.debug(err)
                current_hunk = None
                continue
            hunknum += 1