comparison mercurial/patch.py @ 41534:47c92f8ed128

patch: properly escape \ in string literals

Python 3.8 will emit a SyntaxWarning for str/bytes with invalid
escapes. This commit addresses 4 occurrences where we had a bare
\ in a str/bytes.

Differential Revision: https://phab.mercurial-scm.org/D5818

41533:0f64091cc851

        lines = ["--- %s\n+++ %s\n" % (base, base)]
        for x in self.rej:
            for l in x.hunk:
                lines.append(l)
                if l[-1:] != '\n':
                    lines.append("\n\ No newline at end of file\n")
        self.backend.writerej(self.fname, len(self.rej), self.hunks, lines)

    def apply(self, h):
        if not h.complete():
            raise PatchError(_("bad hunk #%d %s (%d %d %d %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 self.startb:
            self.lenb += 1
        hunki = 1
        for x in pycompat.xrange(self.lenb):
            l = lr.readline()
            if l.startswith('\ '):
                # XXX: the only way to hit this is with an invalid line range.
                # The no-eol marker is not counted in the line range, but I
                # guess there are diff(1) out there which behave differently.
                s = self.b[-1][:-1]
                self.b[-1] = s

        self.hunk[0] = self.desc
        self._fixnewline(lr)

    def _fixnewline(self, lr):
        l = lr.readline()
        if l.startswith('\ '):
            diffhelper.fixnewline(self.hunk, self.a, self.b)
        else:
            lr.push(l)

    def complete(self):

41534:47c92f8ed128

        lines = ["--- %s\n+++ %s\n" % (base, base)]
        for x in self.rej:
            for l in x.hunk:
                lines.append(l)
                if l[-1:] != '\n':
                    lines.append("\n\\ No newline at end of file\n")
        self.backend.writerej(self.fname, len(self.rej), self.hunks, lines)

    def apply(self, h):
        if not h.complete():
            raise PatchError(_("bad hunk #%d %s (%d %d %d %d)") %

                                 (self.number, x))
            self.a.append(u)
            self.hunk.append(u)

        l = lr.readline()
        if l.startswith(br'\ '):
            s = self.a[-1][:-1]
            self.a[-1] = s
            self.hunk[-1] = s
            l = lr.readline()
        m = contextdesc.match(l)

        if self.startb:
            self.lenb += 1
        hunki = 1
        for x in pycompat.xrange(self.lenb):
            l = lr.readline()
            if l.startswith(br'\ '):
                # XXX: the only way to hit this is with an invalid line range.
                # The no-eol marker is not counted in the line range, but I
                # guess there are diff(1) out there which behave differently.
                s = self.b[-1][:-1]
                self.b[-1] = s

        self.hunk[0] = self.desc
        self._fixnewline(lr)

    def _fixnewline(self, lr):
        l = lr.readline()
        if l.startswith(br'\ '):
            diffhelper.fixnewline(self.hunk, self.a, self.b)
        else:
            lr.push(l)

    def complete(self):