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fix: updater may not be able to overwrite files directly
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This commit is contained in:
wwqgtxx 2025-07-28 21:52:44 +08:00
parent 16ff9e815b
commit 0f1baeb935
1 changed files with 10 additions and 1 deletions
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11
component/updater/update_core.go
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@ -437,7 +437,16 @@ func (u *CoreUpdater) copyFile(src, dst string) (err error) {
// otherwise truncates it before writing, without changing permissions. // otherwise truncates it before writing, without changing permissions.
wc, err := os.OpenFile(dst, os.O_WRONLY|os.O_CREATE|os.O_TRUNC, info.Mode()) wc, err := os.OpenFile(dst, os.O_WRONLY|os.O_CREATE|os.O_TRUNC, info.Mode())
if err != nil { if err != nil {
return fmt.Errorf("os.OpenFile(%s): %w", dst, err) // On some file system (such as Android's /data) maybe return error: "text file busy"
// Let's delete the target file and recreate it
err = os.Remove(dst)
if err != nil {
return fmt.Errorf("os.Remove(%s): %w", dst, err)
}
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)
}
} }
defer func() { defer func() {