diff options
Diffstat (limited to 'jython-tosca-parser/src/main/resources/Lib/site-packages/pip/vcs/git.py')
| -rw-r--r-- | jython-tosca-parser/src/main/resources/Lib/site-packages/pip/vcs/git.py | 221 |
1 files changed, 221 insertions, 0 deletions
diff --git a/jython-tosca-parser/src/main/resources/Lib/site-packages/pip/vcs/git.py b/jython-tosca-parser/src/main/resources/Lib/site-packages/pip/vcs/git.py new file mode 100644 index 0000000..a65fdad --- /dev/null +++ b/jython-tosca-parser/src/main/resources/Lib/site-packages/pip/vcs/git.py @@ -0,0 +1,221 @@ +import tempfile +import re +import os.path +from pip.util import call_subprocess +from pip.util import display_path, rmtree +from pip.vcs import vcs, VersionControl +from pip.log import logger +from pip.backwardcompat import url2pathname, urlparse +urlsplit = urlparse.urlsplit +urlunsplit = urlparse.urlunsplit + + +class Git(VersionControl): + name = 'git' + dirname = '.git' + repo_name = 'clone' + schemes = ( + 'git', 'git+http', 'git+https', 'git+ssh', 'git+git', 'git+file', + ) + bundle_file = 'git-clone.txt' + guide = ('# This was a Git repo; to make it a repo again run:\n' + 'git init\ngit remote add origin %(url)s -f\ngit ' + 'checkout %(rev)s\n') + + def __init__(self, url=None, *args, **kwargs): + + # Works around an apparent Git bug + # (see http://article.gmane.org/gmane.comp.version-control.git/146500) + if url: + scheme, netloc, path, query, fragment = urlsplit(url) + if scheme.endswith('file'): + initial_slashes = path[:-len(path.lstrip('/'))] + newpath = ( + initial_slashes + + url2pathname(path).replace('\\', '/').lstrip('/') + ) + url = urlunsplit((scheme, netloc, newpath, query, fragment)) + after_plus = scheme.find('+') + 1 + url = scheme[:after_plus] + urlunsplit( + (scheme[after_plus:], netloc, newpath, query, fragment), + ) + + super(Git, self).__init__(url, *args, **kwargs) + + def parse_vcs_bundle_file(self, content): + url = rev = None + for line in content.splitlines(): + if not line.strip() or line.strip().startswith('#'): + continue + url_match = re.search( + r'git\s*remote\s*add\s*origin(.*)\s*-f', + line, + ) + if url_match: + url = url_match.group(1).strip() + rev_match = re.search(r'^git\s*checkout\s*-q\s*(.*)\s*', line) + if rev_match: + rev = rev_match.group(1).strip() + if url and rev: + return url, rev + return None, None + + def export(self, location): + """Export the Git repository at the url to the destination location""" + temp_dir = tempfile.mkdtemp('-export', 'pip-') + self.unpack(temp_dir) + try: + if not location.endswith('/'): + location = location + '/' + call_subprocess( + [self.cmd, 'checkout-index', '-a', '-f', '--prefix', location], + filter_stdout=self._filter, show_stdout=False, cwd=temp_dir) + finally: + rmtree(temp_dir) + + def check_rev_options(self, rev, dest, rev_options): + """Check the revision options before checkout to compensate that tags + and branches may need origin/ as a prefix. + Returns the SHA1 of the branch or tag if found. + """ + revisions = self.get_refs(dest) + + origin_rev = 'origin/%s' % rev + if origin_rev in revisions: + # remote branch + return [revisions[origin_rev]] + elif rev in revisions: + # a local tag or branch name + return [revisions[rev]] + else: + logger.warn( + "Could not find a tag or branch '%s', assuming commit." % rev, + ) + return rev_options + + def switch(self, dest, url, rev_options): + call_subprocess( + [self.cmd, 'config', 'remote.origin.url', url], cwd=dest) + call_subprocess( + [self.cmd, 'checkout', '-q'] + rev_options, cwd=dest) + + self.update_submodules(dest) + + def update(self, dest, rev_options): + # First fetch changes from the default remote + call_subprocess([self.cmd, 'fetch', '-q'], cwd=dest) + # Then reset to wanted revision (maby even origin/master) + if rev_options: + rev_options = self.check_rev_options( + rev_options[0], dest, rev_options, + ) + call_subprocess( + [self.cmd, 'reset', '--hard', '-q'] + rev_options, + cwd=dest, + ) + #: update submodules + self.update_submodules(dest) + + def obtain(self, dest): + url, rev = self.get_url_rev() + if rev: + rev_options = [rev] + rev_display = ' (to %s)' % rev + else: + rev_options = ['origin/master'] + rev_display = '' + if self.check_destination(dest, url, rev_options, rev_display): + logger.notify( + 'Cloning %s%s to %s' % (url, rev_display, display_path(dest)), + ) + call_subprocess([self.cmd, 'clone', '-q', url, dest]) + #: repo may contain submodules + self.update_submodules(dest) + if rev: + rev_options = self.check_rev_options(rev, dest, rev_options) + # Only do a checkout if rev_options differs from HEAD + if not self.get_revision(dest).startswith(rev_options[0]): + call_subprocess( + [self.cmd, 'checkout', '-q'] + rev_options, + cwd=dest, + ) + + def get_url(self, location): + url = call_subprocess( + [self.cmd, 'config', 'remote.origin.url'], + show_stdout=False, cwd=location) + return url.strip() + + def get_revision(self, location): + current_rev = call_subprocess( + [self.cmd, 'rev-parse', 'HEAD'], show_stdout=False, cwd=location) + return current_rev.strip() + + def get_refs(self, location): + """Return map of named refs (branches or tags) to commit hashes.""" + output = call_subprocess([self.cmd, 'show-ref'], + show_stdout=False, cwd=location) + rv = {} + for line in output.strip().splitlines(): + commit, ref = line.split(' ', 1) + ref = ref.strip() + ref_name = None + if ref.startswith('refs/remotes/'): + ref_name = ref[len('refs/remotes/'):] + elif ref.startswith('refs/heads/'): + ref_name = ref[len('refs/heads/'):] + elif ref.startswith('refs/tags/'): + ref_name = ref[len('refs/tags/'):] + if ref_name is not None: + rv[ref_name] = commit.strip() + return rv + + def get_src_requirement(self, dist, location, find_tags): + repo = self.get_url(location) + if not repo.lower().startswith('git:'): + repo = 'git+' + repo + egg_project_name = dist.egg_name().split('-', 1)[0] + if not repo: + return None + current_rev = self.get_revision(location) + refs = self.get_refs(location) + # refs maps names to commit hashes; we need the inverse + # if multiple names map to a single commit, this arbitrarily picks one + names_by_commit = dict((commit, ref) for ref, commit in refs.items()) + + if current_rev in names_by_commit: + # It's a tag + full_egg_name = ( + '%s-%s' % (egg_project_name, names_by_commit[current_rev]) + ) + else: + full_egg_name = '%s-dev' % egg_project_name + + return '%s@%s#egg=%s' % (repo, current_rev, full_egg_name) + + def get_url_rev(self): + """ + Prefixes stub URLs like 'user@hostname:user/repo.git' with 'ssh://'. + That's required because although they use SSH they sometimes doesn't + work with a ssh:// scheme (e.g. Github). But we need a scheme for + parsing. Hence we remove it again afterwards and return it as a stub. + """ + if '://' not in self.url: + assert 'file:' not in self.url + self.url = self.url.replace('git+', 'git+ssh://') + url, rev = super(Git, self).get_url_rev() + url = url.replace('ssh://', '') + else: + url, rev = super(Git, self).get_url_rev() + + return url, rev + + def update_submodules(self, location): + if not os.path.exists(os.path.join(location, '.gitmodules')): + return + call_subprocess( + [self.cmd, 'submodule', 'update', '--init', '--recursive', '-q'], + cwd=location, + ) + +vcs.register(Git) |