43 lines
1.4 KiB
Python
43 lines
1.4 KiB
Python
|
from __future__ import annotations
|
||
|
|
|
||
|
|
import io
|
||
|
|
import subprocess
|
||
|
|
|
||
|
|
import git
|
||
|
|
|
||
|
|
|
||
|
|
class Git(git.Git):
|
||
|
|
"""
|
||
|
|
Git subclassed to never use persistent processes.
|
||
|
|
"""
|
||
|
|
|
||
|
|
def _get_persistent_cmd(self, attr_name, cmd_name, *args, **kwargs):
|
||
|
|
raise NotImplementedError(f"Refusing to use persistent process: {attr_name} ({cmd_name} {args} {kwargs})")
|
||
|
|
|
||
|
|
def get_object_header(self, ref: str | bytes) -> tuple[str, str, int]:
|
||
|
|
ret = subprocess.check_output(
|
||
|
|
[self.GIT_PYTHON_GIT_EXECUTABLE, "cat-file", "--batch-check"],
|
||
|
|
input=self._prepare_ref(ref),
|
||
|
|
cwd=self._working_dir,
|
||
|
|
timeout=2,
|
||
|
|
)
|
||
|
|
return self._parse_object_header(ret)
|
||
|
|
|
||
|
|
def stream_object_data(self, ref: str) -> tuple[str, str, int, "Git.CatFileContentStream"]:
|
||
|
|
# Not really streaming, per se; this buffers the entire object in memory.
|
||
|
|
# Shouldn't be a problem for our use case, since we're only using this for
|
||
|
|
# object headers (commit objects).
|
||
|
|
ret = subprocess.check_output(
|
||
|
|
[self.GIT_PYTHON_GIT_EXECUTABLE, "cat-file", "--batch"],
|
||
|
|
input=self._prepare_ref(ref),
|
||
|
|
cwd=self._working_dir,
|
||
|
|
timeout=30,
|
||
|
|
)
|
||
|
|
bio = io.BytesIO(ret)
|
||
|
|
hexsha, typename, size = self._parse_object_header(bio.readline())
|
||
|
|
return (hexsha, typename, size, self.CatFileContentStream(size, bio))
|
||
|
|
|
||
|
|
|
||
|
|
class Repo(git.Repo):
|
||
|
|
GitCommandWrapperType = Git
|