/usr/share/gocode/src/github.com/hashicorp/go-getter/detect_file.go is in golang-github-hashicorp-go-getter-dev 0.0~git20160316.0.575ec4e-1.
This file is owned by root:root, with mode 0o644.
The actual contents of the file can be viewed below.
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import (
"fmt"
"os"
"path/filepath"
"runtime"
)
// FileDetector implements Detector to detect file paths.
type FileDetector struct{}
func (d *FileDetector) Detect(src, pwd string) (string, bool, error) {
if len(src) == 0 {
return "", false, nil
}
if !filepath.IsAbs(src) {
if pwd == "" {
return "", true, fmt.Errorf(
"relative paths require a module with a pwd")
}
// Stat the pwd to determine if its a symbolic link. If it is,
// then the pwd becomes the original directory. Otherwise,
// `filepath.Join` below does some weird stuff.
//
// We just ignore if the pwd doesn't exist. That error will be
// caught later when we try to use the URL.
if fi, err := os.Lstat(pwd); !os.IsNotExist(err) {
if err != nil {
return "", true, err
}
if fi.Mode()&os.ModeSymlink != 0 {
pwd, err = os.Readlink(pwd)
if err != nil {
return "", true, err
}
}
}
src = filepath.Join(pwd, src)
}
return fmtFileURL(src), true, nil
}
func fmtFileURL(path string) string {
if runtime.GOOS == "windows" {
// Make sure we're using "/" on Windows. URLs are "/"-based.
path = filepath.ToSlash(path)
return fmt.Sprintf("file://%s", path)
}
// Make sure that we don't start with "/" since we add that below.
if path[0] == '/' {
path = path[1:]
}
return fmt.Sprintf("file:///%s", path)
}
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