gador/nixpkgs
1
0
Fork 0
Code Issues Pull Requests Packages Projects Releases Wiki Activity

nixos/systemd-boot: atomically update copied destination files (#444960)

Browse Source
This commit is contained in:
Luj
2025-09-24 16:12:02 +02:00
committed by GitHub
parent e020a5544e 85c7452e80
commit 85f5bb8e46
1 changed files with 5 additions and 1 deletions
Download Patch File Download Diff File Expand all files Collapse all files

6
nixos/modules/system/boot/loader/systemd-boot/systemd-boot-builder.py
View File

@@ -8,6 +8,7 @@ import re
import shutil import shutil
import subprocess import subprocess
import sys import sys
import tempfile
import warnings import warnings
import json import json
from typing import NamedTuple, Any, Sequence from typing import NamedTuple, Any, Sequence
@@ -64,7 +65,10 @@ class SystemIdentifier(NamedTuple):
def copy_if_not_exists(source: Path, dest: Path) -> None: def copy_if_not_exists(source: Path, dest: Path) -> None:
if not dest.exists(): if not dest.exists():
shutil.copyfile(source, dest) tmpfd, tmppath = tempfile.mkstemp(dir=dest.parent, prefix=dest.name, suffix='.tmp.')
shutil.copyfile(source, tmppath)
os.fsync(tmpfd)
shutil.move(tmppath, dest)
def generation_dir(profile: str | None, generation: int) -> Path: def generation_dir(profile: str | None, generation: int) -> Path: