Exemplo n.º 1
0
Arquivo: diff.py Projeto: ypid/datalad
def _parse_git_diff(dspath, diff_thingie=None, paths=None,
                    ignore_submodules='none', staged=False):
    # use '--work-tree=.' to get direct omde to cooperate
    cmd = ['git', '--work-tree=.', 'diff', '--raw',
           # file names NULL terminated
           '-z',
           # how to treat submodules (see git diff docs)
           '--ignore-submodules={}'.format(ignore_submodules),
           # never abbreviate sha sums
           '--abbrev=40']
    if staged:
        cmd.append('--staged')
    if diff_thingie:
        cmd.append(diff_thingie)
    if paths:
        cmd.append('--')
        cmd.extend(ap['path'] for ap in paths if ap.get('raw_input', False))

    try:
        stdout = GitWitlessRunner(cwd=dspath).run(
            cmd, protocol=StdOutErrCapture)['stdout']
    except CommandError as e:
        if 'bad revision' in e.stderr:
            yield dict(
                path=dspath,
                type='dataset',
                status='impossible',
                message=e.stderr.strip())
            return
        raise

    ap = None
    for line in stdout.split('\0'):
        if not line:
            continue
        if line.startswith(':'):
            # a new path
            # yield any existing one
            if ap:
                yield ap
                ap = None
            # start new record
            m_src, m_dst, sha_src, sha_dst, status = \
                line[1:].split()
            ap = dict(
                mode_src=int(m_src, base=8),
                mode=int(m_dst, base=8),
                revision_src=sha_src if sha_src != '0' * 40 else None,
                revision=sha_dst if sha_dst != '0' * 40 else None,
                parentds=dspath)
            _translate_status(status, ap)
            _translate_type(ap['mode'], ap, 'type')
            _translate_type(ap['mode_src'], ap, 'type_src')
        else:
            # a filename
            if 'path' in ap:
                ap['path_src'] = ap['path']
            ap['path'] = opj(dspath, line)
    if ap:
        yield ap
Exemplo n.º 2
0
def _get_untracked_content(dspath, report_untracked, paths=None):
    cmd = [
        'git',
        '--work-tree=.',
        'status',
        '--porcelain',
        # file names NULL terminated
        '-z',
        # we never want to touch submodules, they cannot be untracked
        '--ignore-submodules=all',
        # fully untracked dirs as such, the rest as files
        '--untracked={}'.format(report_untracked)
    ]
    try:
        stdout = GitWitlessRunner(cwd=dspath).run(
            cmd, protocol=StdOutErrCapture)['stdout']
    except CommandError as e:
        # TODO should we catch any and handle them in here?
        raise e

    if paths:
        paths = [r['path'] for r in paths]
        if len(paths) == 1 and paths[0] == dspath:
            # nothing to filter
            paths = None

    from datalad.utils import ensure_unicode

    for line in stdout.split('\0'):
        if not line:
            continue
        line = ensure_unicode(line)
        if not line.startswith('?? '):
            # nothing untracked, ignore, task of `diff`
            continue
        apath = opj(
            dspath,
            # strip state marker
            line[3:])
        norm_apath = normpath(apath)
        if paths and not any(norm_apath == p or path_startswith(apath, p)
                             for p in paths):
            # we got a whitelist for paths, don't report any other
            continue
        ap = dict(path=norm_apath,
                  parentds=dspath,
                  state='untracked',
                  type='directory' if isdir(apath) else 'file')
        yield ap