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Prevent tests from using the user and system git config #934

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Merged
Eijebong merged 1 commit into from
Apr 16, 2026
+15 −2
Merged

Prevent tests from using the user and system git config #934

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17 changes: 15 additions & 2 deletions test/conftest.py
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Original file line number Diff line number Diff line change
@@ -1,5 +1,6 @@
import os
import platform
import tempfile
from pathlib import Path

import pytest
Expand All @@ -13,10 +14,22 @@
# interference with tests.
# This ignores ~/.hgrc
os.environ["HGRCPATH"] = ""
# This ignores system-level git config (eg: in /etc). There apperas to be
# no way to ignore ~/.gitconfig other than overriding $HOME, which is overkill.
# This ignores system-level git config (eg: in /etc).
os.environ["GIT_CONFIG_NOSYSTEM"] = "1"


@pytest.fixture(scope="session", autouse=True)
def git_global_config():
# run-task writes to the global git config, so point it at a real
# (writable) empty file instead of ~/.gitconfig.
fd, path = tempfile.mkstemp(prefix="taskgraph-gitconfig-")
os.close(fd)
os.environ["GIT_CONFIG_GLOBAL"] = path
yield
del os.environ["GIT_CONFIG_GLOBAL"]
os.unlink(path)


# Some of the tests marked with this may be fixable on Windows; we should
# look into these in more depth at some point.
nowin = pytest.mark.skipif(
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