comparison mercurial/changelog.py @ 42142:5382d8f8530b

changelog: parse copy metadata if available in extras

This lets read back the copy metadata we just started writing. There
are still many places left to teach about getting the copy information
from the changeset, but we have enough ({file_copies}, specifically)
that we can add it now and have some test coverage of it.

Differential Revision: https://phab.mercurial-scm.org/D6186

42141:0e41f40b01cc

        '%s\0%s' % (k, copies[k])
        for k in sorted(copies)
    ]
    return "\n".join(items)

def stripdesc(desc):
    """strip trailing whitespace and leading and trailing empty lines"""
    return '\n'.join([l.rstrip() for l in desc.splitlines()]).strip('\n')

class appender(object):

        off = self._offsets
        if off[2] == off[3]:
            return []

        return self._text[off[2] + 1:off[3]].split('\n')

    @property
    def description(self):
        return encoding.tolocal(self._text[self._offsets[3] + 2:])

42142:5382d8f8530b

        '%s\0%s' % (k, copies[k])
        for k in sorted(copies)
    ]
    return "\n".join(items)

def decodecopies(data):
    try:
        copies = {}
        for l in data.split('\n'):
            k, v = l.split('\0')
            copies[k] = v
        return copies
    except ValueError:
        # Perhaps someone had chosen the same key name (e.g. "p1copies") and
        # used different syntax for the value.
        return None

def stripdesc(desc):
    """strip trailing whitespace and leading and trailing empty lines"""
    return '\n'.join([l.rstrip() for l in desc.splitlines()]).strip('\n')

class appender(object):

        off = self._offsets
        if off[2] == off[3]:
            return []

        return self._text[off[2] + 1:off[3]].split('\n')

    @property
    def p1copies(self):
        rawcopies = self.extra.get('p1copies')
        return rawcopies and decodecopies(rawcopies)

    @property
    def p2copies(self):
        rawcopies = self.extra.get('p2copies')
        return rawcopies and decodecopies(rawcopies)

    @property
    def description(self):
        return encoding.tolocal(self._text[self._offsets[3] + 2:])