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zeekayandHanzo Dev
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Source files keep their SPDX-License-Identifier and Hanzo copyright line; the Gitea, Gogs and LFS Test Server copyrights they used to repeat now live once in NOTICE, alongside LICENSE. The header lint accepts any copyright line above the SPDX line, so it no longer demands an upstream one. Co-authored-by: Hanzo Dev <[email protected]>
105 lines
2.4 KiB
Go
105 lines
2.4 KiB
Go
// Copyright 2026 Hanzo AI, Inc. All rights reserved.
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// SPDX-License-Identifier: MIT
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package util
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import (
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"os"
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"runtime"
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"syscall"
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"time"
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)
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const windowsSharingViolationError syscall.Errno = 32
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// Remove removes the named file or (empty) directory with at most 5 attempts.
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func Remove(name string) error {
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var err error
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for range 5 {
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err = os.Remove(name)
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if err == nil {
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break
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}
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unwrapped := err.(*os.PathError).Err
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if unwrapped == syscall.EBUSY || unwrapped == syscall.ENOTEMPTY || unwrapped == syscall.EPERM || unwrapped == syscall.EMFILE || unwrapped == syscall.ENFILE {
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// try again
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<-time.After(100 * time.Millisecond)
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continue
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}
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if unwrapped == windowsSharingViolationError && runtime.GOOS == "windows" {
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// try again
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<-time.After(100 * time.Millisecond)
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continue
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}
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if unwrapped == syscall.ENOENT {
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// it's already gone
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return nil
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}
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}
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return err
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}
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// RemoveAll removes the named file or (empty) directory with at most 5 attempts.
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func RemoveAll(name string) error {
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var err error
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for range 5 {
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err = os.RemoveAll(name)
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if err == nil {
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break
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}
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unwrapped := err.(*os.PathError).Err
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if unwrapped == syscall.EBUSY || unwrapped == syscall.ENOTEMPTY || unwrapped == syscall.EPERM || unwrapped == syscall.EMFILE || unwrapped == syscall.ENFILE {
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// try again
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<-time.After(100 * time.Millisecond)
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continue
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}
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if unwrapped == windowsSharingViolationError && runtime.GOOS == "windows" {
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// try again
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<-time.After(100 * time.Millisecond)
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continue
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}
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if unwrapped == syscall.ENOENT {
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// it's already gone
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return nil
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}
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}
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return err
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}
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// Rename renames (moves) oldpath to newpath with at most 5 attempts.
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func Rename(oldpath, newpath string) error {
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var err error
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for i := range 5 {
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err = os.Rename(oldpath, newpath)
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if err == nil {
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break
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}
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unwrapped := err.(*os.LinkError).Err
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if unwrapped == syscall.EBUSY || unwrapped == syscall.ENOTEMPTY || unwrapped == syscall.EPERM || unwrapped == syscall.EMFILE || unwrapped == syscall.ENFILE {
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// try again
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<-time.After(100 * time.Millisecond)
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continue
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}
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if unwrapped == windowsSharingViolationError && runtime.GOOS == "windows" {
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// try again
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<-time.After(100 * time.Millisecond)
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continue
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}
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if i == 0 && os.IsNotExist(err) {
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return err
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}
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if unwrapped == syscall.ENOENT {
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// it's already gone
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return nil
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}
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}
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return err
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}
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