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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,64 @@ | ||
| package xcaddy | ||
|
|
||
| // credit: https://github.com/goreleaser/goreleaser/blob/3f54b5eb2f13e86f07420124818fb6594f966278/internal/gio/copy.go | ||
| import ( | ||
| "fmt" | ||
| "io" | ||
| "log" | ||
| "os" | ||
| "path/filepath" | ||
| "strings" | ||
| ) | ||
|
|
||
| // copy recursively copies src into dst with src's file modes. | ||
| func copy(src, dst string) error { | ||
| src = filepath.ToSlash(src) | ||
| dst = filepath.ToSlash(dst) | ||
| log.Printf("[INFO] copying files: src=%s dest=%s", src, dst) | ||
| return filepath.Walk(src, func(path string, info os.FileInfo, err error) error { | ||
| if err != nil { | ||
| return fmt.Errorf("failed to copy %s to %s: %w", src, dst, err) | ||
| } | ||
| path = filepath.ToSlash(path) | ||
| // We have the following: | ||
| // - src = "a/b" | ||
| // - dst = "dist/linuxamd64/b" | ||
| // - path = "a/b/c.txt" | ||
| // So we join "a/b" with "c.txt" and use it as the destination. | ||
| dst := filepath.ToSlash(filepath.Join(dst, strings.Replace(path, src, "", 1))) | ||
| if info.IsDir() { | ||
| return os.MkdirAll(dst, info.Mode()) | ||
| } | ||
| if info.Mode()&os.ModeSymlink != 0 { | ||
| return copySymlink(path, dst) | ||
| } | ||
| return copyFile(path, dst, info.Mode()) | ||
| }) | ||
| } | ||
|
|
||
| func copySymlink(src, dst string) error { | ||
| src, err := os.Readlink(src) | ||
| if err != nil { | ||
| return err | ||
| } | ||
| return os.Symlink(src, dst) | ||
| } | ||
|
|
||
| func copyFile(src, dst string, mode os.FileMode) error { | ||
| original, err := os.Open(src) | ||
| if err != nil { | ||
| return fmt.Errorf("failed to open '%s': %w", src, err) | ||
| } | ||
| defer original.Close() | ||
|
|
||
| f, err := os.OpenFile(dst, os.O_CREATE|os.O_WRONLY|os.O_TRUNC, mode) | ||
| if err != nil { | ||
| return fmt.Errorf("failed to open '%s': %w", dst, err) | ||
| } | ||
| defer f.Close() | ||
|
|
||
| if _, err := io.Copy(f, original); err != nil { | ||
| return fmt.Errorf("failed to copy: %w", err) | ||
| } | ||
| return nil | ||
| } |