def __init__(self, repository_base):
super().__init__()
json_file = os.path.join(repository_base, REPO_INFO_FILENAME)
path = Path(json_file)
if not path.exists():
# If there is no .json file in the repo, it might be an old version
# checked out. We can still do best-effort with a default file
# that is located in this repo.
json_file = self._failback_file()
path = Path(json_file)
if not path.exists():
sys.exit("Could not find a .json repository info file to use.")
path.assert_is_file()
path.assert_mode(os.R_OK)
content = read_file(json_file)
self.update(json.loads(content))
def clone_or_fetch(self, repository_base):
"""
Clones a fresh repository at the given base unless it exists already.
If it exists already, it will fetch the latest upstream state (which is
less abusive of the github servers than a full clone). The result will
be returned as a GitRepository instance.
"""
p = Path(repository_base)
return (self._fetch(repository_base) if p.exists() else
self.clone(repository_base))
def _find_binaries(self, search_directories):
binaries = {}
for directory in search_directories:
for binary in CLANG_BINARIES:
path = Path(os.path.join(directory, binary))
if not path.exists():
continue
path.assert_is_file()
path.assert_mode(os.R_OK | os.X_OK)
if path.filename() not in binaries:
binaries[path.filename()] = []
version = str(ClangVersion(str(path)))
binaries[path.filename()].append({
'path': str(path),
'version': version
})
return binaries
def assert_has_makefile(self):
makefile = Path(os.path.join(self.repository_base, "Makefile"))
if not makefile.exists():
sys.exit("*** no Makefile found in %s. You must ./autogen.sh "
"and/or ./configure first" % self.repository_base)