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77dbc35138
- Go has a suite of small linters that helps with modernizing Go code by using newer functions and catching small mistakes, https://pkg.go.dev/golang.org/x/tools/go/analysis/passes/modernize. - Enable this linter in golangci-lint. - There's also [`go fix`](https://go.dev/blog/gofix), which is not yet released as a linter in golangci-lint: https://github.com/golangci/golangci-lint/pull/6385 Reviewed-on: https://codeberg.org/forgejo/forgejo/pulls/11936 Reviewed-by: Mathieu Fenniak <mfenniak@noreply.codeberg.org> Co-authored-by: Gusted <postmaster@gusted.xyz> Co-committed-by: Gusted <postmaster@gusted.xyz>
83 lines
1.9 KiB
Go
83 lines
1.9 KiB
Go
// Copyright 2020 The Gitea Authors. 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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"syscall"
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"time"
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)
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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 == 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 == 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 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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