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chore: keep original file permissions when copyFile in updater

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This commit is contained in:
wwqgtxx
2025-07-26 22:10:47 +08:00
parent 01cd7e2c0e
commit c3a3009a8c
1 changed files with 6 additions and 1 deletions
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7
component/updater/update_core.go
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@@ -427,10 +427,15 @@ func (u *CoreUpdater) copyFile(src, dst string) (err error) {
}
}()
info, err := rc.Stat()
if err != nil {
return fmt.Errorf("rc.Stat(): %w", err)
}
// Create the output file
// If the file does not exist, creates it with permissions perm (before umask);
// otherwise truncates it before writing, without changing permissions.
wc, err := os.OpenFile(dst, os.O_WRONLY|os.O_CREATE|os.O_TRUNC, 0o644)
wc, err := os.OpenFile(dst, os.O_WRONLY|os.O_CREATE|os.O_TRUNC, info.Mode())
if err != nil {
return fmt.Errorf("os.OpenFile(%s): %w", dst, err)
}