Changeset - 8996b4f57dad
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Mads Kiilerich - 11 years ago 2015-01-21 17:35:11
madski@unity3d.com
git: preserve line endings when calling out to git

\r line endings were replaced with \n, and some diffs would thus fail to parse.
That would be the cases similar to what was addressed in fbb992c719aa.

The leading text would be ignored anyway in diffs.py so there is no need to
strip it here. The stripping do also not seem very reliable. But for now we
will keep it.
1 file changed with 4 insertions and 8 deletions:
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kallithea/lib/vcs/backends/git/repository.py
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@@ -580,107 +580,103 @@ class GitRepository(BaseRepository):
 
        if None not in [start, end] and start_pos > end_pos:
 
            raise RepositoryError('start cannot be after end')
 

	
 
        if end_pos is not None:
 
            end_pos += 1
 

	
 
        revs = revs[start_pos:end_pos]
 
        if reverse:
 
            revs = reversed(revs)
 
        return CollectionGenerator(self, revs)
 

	
 
    def get_diff(self, rev1, rev2, path=None, ignore_whitespace=False,
 
                 context=3):
 
        """
 
        Returns (git like) *diff*, as plain text. Shows changes introduced by
 
        ``rev2`` since ``rev1``.
 

	
 
        :param rev1: Entry point from which diff is shown. Can be
 
          ``self.EMPTY_CHANGESET`` - in this case, patch showing all
 
          the changes since empty state of the repository until ``rev2``
 
        :param rev2: Until which revision changes should be shown.
 
        :param ignore_whitespace: If set to ``True``, would not show whitespace
 
          changes. Defaults to ``False``.
 
        :param context: How many lines before/after changed lines should be
 
          shown. Defaults to ``3``.
 
        """
 
        flags = ['-U%s' % context, '--full-index', '--binary', '-p', '-M', '--abbrev=40']
 
        if ignore_whitespace:
 
            flags.append('-w')
 

	
 
        if hasattr(rev1, 'raw_id'):
 
            rev1 = getattr(rev1, 'raw_id')
 

	
 
        if hasattr(rev2, 'raw_id'):
 
            rev2 = getattr(rev2, 'raw_id')
 

	
 
        if rev1 == self.EMPTY_CHANGESET:
 
            rev2 = self.get_changeset(rev2).raw_id
 
            cmd = ' '.join(['show'] + flags + [rev2])
 
        else:
 
            rev1 = self.get_changeset(rev1).raw_id
 
            rev2 = self.get_changeset(rev2).raw_id
 
            cmd = ' '.join(['diff'] + flags + [rev1, rev2])
 

	
 
        if path:
 
            cmd += ' -- "%s"' % path
 

	
 
        stdout, stderr = self.run_git_command(cmd)
 
        # TODO: don't ignore stderr
 
        # If we used 'show' command, strip first few lines (until actual diff
 
        # starts)
 
        if rev1 == self.EMPTY_CHANGESET:
 
            lines = stdout.splitlines()
 
            x = 0
 
            for line in lines:
 
                if line.startswith('diff'):
 
                    break
 
                x += 1
 
            # Append new line just like 'diff' command do
 
            stdout = '\n'.join(lines[x:]) + '\n'
 
            parts = stdout.split('\ndiff ', 1)
 
            if len(parts) > 1:
 
                stdout = 'diff ' + parts[1]
 
        return stdout
 

	
 
    @LazyProperty
 
    def in_memory_changeset(self):
 
        """
 
        Returns ``GitInMemoryChangeset`` object for this repository.
 
        """
 
        return GitInMemoryChangeset(self)
 

	
 
    def clone(self, url, update_after_clone=True, bare=False):
 
        """
 
        Tries to clone changes from external location.
 

	
 
        :param update_after_clone: If set to ``False``, git won't checkout
 
          working directory
 
        :param bare: If set to ``True``, repository would be cloned into
 
          *bare* git repository (no working directory at all).
 
        """
 
        url = self._get_url(url)
 
        cmd = ['clone', '-q']
 
        if bare:
 
            cmd.append('--bare')
 
        elif not update_after_clone:
 
            cmd.append('--no-checkout')
 
        cmd += ['--', quote(url), quote(self.path)]
 
        cmd = ' '.join(cmd)
 
        # If error occurs run_git_command raises RepositoryError already
 
        self.run_git_command(cmd)
 

	
 
    def pull(self, url):
 
        """
 
        Tries to pull changes from external location.
 
        """
 
        url = self._get_url(url)
 
        cmd = ['pull', "--ff-only", quote(url)]
 
        cmd = ' '.join(cmd)
 
        # If error occurs run_git_command raises RepositoryError already
 
        self.run_git_command(cmd)
 

	
 
    def fetch(self, url):
 
        """
 
        Tries to pull changes from external location.
 
        """
 
        url = self._get_url(url)
 
        so, se = self.run_git_command('ls-remote -h %s' % quote(url))
 
        refs = []
 
        for line in (x for x in so.splitlines()):
 
            sha, ref = line.split('\t')
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