comparison mercurial/mdiff.py @ 35952:9e641c4525a2

mdiff: use str.startswith/endswith() instead of slicing

35951:8b6dd3922f70

        if a and b and len(a) == len(b) and a == b:
            return sentinel
        headerlines = []
        hunks = (None, ['Binary file %s has changed\n' % fn1]),
    elif not a:
        without_newline = b[-1:] != '\n'
        b = splitnewlines(b)
        if a is None:
            l1 = '--- /dev/null%s' % datetag(epoch)
        else:
            l1 = "--- %s%s%s" % (aprefix, fn1, datetag(ad, fn1))

        if without_newline:
            hunklines[-1] += '\n'
            hunklines.append(_missing_newline_marker)
        hunks = (hunkrange, hunklines),
    elif not b:
        without_newline = a[-1:] != '\n'
        a = splitnewlines(a)
        l1 = "--- %s%s%s" % (aprefix, fn1, datetag(ad, fn1))
        if b is None:
            l2 = '+++ /dev/null%s' % datetag(epoch)
        else:

        # that file is part of a hunk, a marker is printed. If the
        # last line of both files is identical and neither ends in
        # a newline, print only one marker. That's the only case in
        # which the hunk can end in a shared line without a newline.
        skip = False
        if t1[-1:] != '\n' and astart + alen == len(l1) + 1:
            for i in xrange(len(hunklines) - 1, -1, -1):
                if hunklines[i][0:1] in ('-', ' '):
                    if hunklines[i][0:1] == ' ':
                        skip = True
                    hunklines[i] += '\n'
                    hunklines.insert(i + 1, _missing_newline_marker)
                    break
        if not skip and t2[-1:] != '\n' and bstart + blen == len(l2) + 1:
            for i in xrange(len(hunklines) - 1, -1, -1):
                if hunklines[i][0:1] == '+':
                    hunklines[i] += '\n'
                    hunklines.insert(i + 1, _missing_newline_marker)
                    break
        yield hunkrange, hunklines

35952:9e641c4525a2

        if a and b and len(a) == len(b) and a == b:
            return sentinel
        headerlines = []
        hunks = (None, ['Binary file %s has changed\n' % fn1]),
    elif not a:
        without_newline = not b.endswith('\n')
        b = splitnewlines(b)
        if a is None:
            l1 = '--- /dev/null%s' % datetag(epoch)
        else:
            l1 = "--- %s%s%s" % (aprefix, fn1, datetag(ad, fn1))

        if without_newline:
            hunklines[-1] += '\n'
            hunklines.append(_missing_newline_marker)
        hunks = (hunkrange, hunklines),
    elif not b:
        without_newline = not a.endswith('\n')
        a = splitnewlines(a)
        l1 = "--- %s%s%s" % (aprefix, fn1, datetag(ad, fn1))
        if b is None:
            l2 = '+++ /dev/null%s' % datetag(epoch)
        else:

        # that file is part of a hunk, a marker is printed. If the
        # last line of both files is identical and neither ends in
        # a newline, print only one marker. That's the only case in
        # which the hunk can end in a shared line without a newline.
        skip = False
        if not t1.endswith('\n') and astart + alen == len(l1) + 1:
            for i in xrange(len(hunklines) - 1, -1, -1):
                if hunklines[i].startswith(('-', ' ')):
                    if hunklines[i].startswith(' '):
                        skip = True
                    hunklines[i] += '\n'
                    hunklines.insert(i + 1, _missing_newline_marker)
                    break
        if not skip and not t2.endswith('\n') and bstart + blen == len(l2) + 1:
            for i in xrange(len(hunklines) - 1, -1, -1):
                if hunklines[i].startswith('+'):
                    hunklines[i] += '\n'
                    hunklines.insert(i + 1, _missing_newline_marker)
                    break
        yield hunkrange, hunklines