iframe-proxy | Sunbelt Computer Software

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from .reference import Reference
__all__ = ["TagReference", "Tag"]
class TagReference(Reference):
    """Class representing a lightweight tag reference which either points to a commit
    ,a tag object or any other object. In the latter case additional information,
    like the signature or the tag-creator, is available.
    This tag object will always point to a commit object, but may carry additional
    information in a tag object::
     tagref = TagReference.list_items(repo)[0]
     print(tagref.commit.message)
     if tagref.tag is not None:
        print(tagref.tag.message)"""
    __slots__ = ()
    _common_path_default = "refs/tags"
    @property
    def commit(self):
        """:return: Commit object the tag ref points to
        :raise ValueError: if the tag points to a tree or blob"""
        obj = self.object
        while obj.type != 'commit':
            if obj.type == "tag":
                # it is a tag object which carries the commit as an object - we can point to anything
                obj = obj.object
            else:
                raise ValueError(("Cannot resolve commit as tag %s points to a %s object - " +
                                  "use the `.object` property instead to access it") % (self, obj.type))
        return obj
    @property
    def tag(self):
        """
        :return: Tag object this tag ref points to or None in case
            we are a light weight tag"""
        obj = self.object
        if obj.type == "tag":
            return obj
        return None
    # make object read-only
    # It should be reasonably hard to adjust an existing tag
    object = property(Reference._get_object)
    @classmethod
    def create(cls, repo, path, ref='HEAD', message=None, force=False, **kwargs):
        """Create a new tag reference.
        :param path:
            The name of the tag, i.e. 1.0 or releases/1.0.
            The prefix refs/tags is implied
        :param ref:
            A reference to the object you want to tag. It can be a commit, tree or
            blob.
        :param message:
            If not None, the message will be used in your tag object. This will also
            create an additional tag object that allows to obtain that information, i.e.::
                tagref.tag.message
        :param force:
            If True, to force creation of a tag even though that tag already exists.
        :param kwargs:
            Additional keyword arguments to be passed to git-tag
        :return: A new TagReference"""
        args = (path, ref)
        if message:
            kwargs['m'] = message
        if force:
            kwargs['f'] = True
        repo.git.tag(*args, **kwargs)
        return TagReference(repo, "%s/%s" % (cls._common_path_default, path))
    @classmethod
    def delete(cls, repo, *tags):
        """Delete the given existing tag or tags"""
        repo.git.tag("-d", *tags)
# provide an alias
Tag = TagReference

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