mirror of https://github.com/morpheus65535/bazarr
95 lines
2.7 KiB
Python
95 lines
2.7 KiB
Python
import git
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from git.exc import InvalidGitRepositoryError
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from git.config import GitConfigParser
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from io import BytesIO
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import weakref
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__all__ = ('sm_section', 'sm_name', 'mkhead', 'find_first_remote_branch',
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'SubmoduleConfigParser')
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#{ Utilities
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def sm_section(name):
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""":return: section title used in .gitmodules configuration file"""
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return 'submodule "%s"' % name
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def sm_name(section):
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""":return: name of the submodule as parsed from the section name"""
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section = section.strip()
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return section[11:-1]
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def mkhead(repo, path):
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""":return: New branch/head instance"""
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return git.Head(repo, git.Head.to_full_path(path))
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def find_first_remote_branch(remotes, branch_name):
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"""Find the remote branch matching the name of the given branch or raise InvalidGitRepositoryError"""
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for remote in remotes:
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try:
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return remote.refs[branch_name]
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except IndexError:
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continue
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# END exception handling
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# END for remote
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raise InvalidGitRepositoryError("Didn't find remote branch '%r' in any of the given remotes" % branch_name)
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#} END utilities
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#{ Classes
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class SubmoduleConfigParser(GitConfigParser):
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"""
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Catches calls to _write, and updates the .gitmodules blob in the index
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with the new data, if we have written into a stream. Otherwise it will
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add the local file to the index to make it correspond with the working tree.
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Additionally, the cache must be cleared
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Please note that no mutating method will work in bare mode
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"""
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def __init__(self, *args, **kwargs):
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self._smref = None
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self._index = None
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self._auto_write = True
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super(SubmoduleConfigParser, self).__init__(*args, **kwargs)
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#{ Interface
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def set_submodule(self, submodule):
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"""Set this instance's submodule. It must be called before
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the first write operation begins"""
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self._smref = weakref.ref(submodule)
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def flush_to_index(self):
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"""Flush changes in our configuration file to the index"""
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assert self._smref is not None
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# should always have a file here
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assert not isinstance(self._file_or_files, BytesIO)
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sm = self._smref()
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if sm is not None:
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index = self._index
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if index is None:
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index = sm.repo.index
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# END handle index
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index.add([sm.k_modules_file], write=self._auto_write)
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sm._clear_cache()
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# END handle weakref
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#} END interface
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#{ Overridden Methods
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def write(self):
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rval = super(SubmoduleConfigParser, self).write()
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self.flush_to_index()
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return rval
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# END overridden methods
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#} END classes
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