def write(self):
self.sort()
# write to a temp file
fd, tmpname = tempfile.mkstemp()
with os.fdopen(fd, "w") as f:
for (mode, sha, name) in self.cache:
f.write("{}\t{}\t{}\n".format(mode, sha, name))
# hash the file
self.hash = compute_hash(tmpname)
# that is the name of the file
objfile = os.path.join(self.path, self.hash)
os.chmod(tmpname, int("755", 8))
safe_rename(tmpname, objfile)
if self.add_to_git:
call_subprocess([GIT_EXE_PATH, "add", self.hash], cwd=self.path, verbose=False)
return self.hash
def setup_path_for_hashes(role: str, name: str, workspace: Workspace,
local_path: str):
"""When creating the resource, make sure we have a path for the hashes.
Subclasses of LocalFilesResource will need to call this in their factory
functions."""
workspace_path = workspace.get_workspace_local_path_if_any()
if isinstance(workspace, git_backend.Workspace):
assert workspace_path is not None
hash_path = join(workspace_path,
_relative_rsrc_dir_for_git_workspace(role, name))
try:
os.makedirs(hash_path)
with open(os.path.join(hash_path, "dummy.txt"), "w") as f:
f.write("Placeholder to ensure directory is added to git\n")
call_subprocess(
[
GIT_EXE_PATH,
"add",
join(_relative_rsrc_dir_for_git_workspace(role, name),
"dummy.txt"),
],
cwd=workspace_path,
)
call_subprocess(
[GIT_EXE_PATH, "commit", "-m",
"Adding resource %s" % name],
cwd=workspace_path)
except OSError as exc:
if exc.errno == EEXIST and os.path.isdir(hash_path):
pass
else:
raise
else:
non_git_hashes = join(local_path, ".hashes")
if not exists(non_git_hashes):
os.mkdir(non_git_hashes)