// List looks for all dependent packages in the specified Path
func (g *Local) List(pkg string, recursive bool) ([]string, error) {
searched := `"` + pkg
if !recursive {
searched += `"`
}
dirs := g.dirs()
if len(dirs) == 0 {
return nil, fmt.Errorf("no packages within scope %s", g.Path)
}
cmd := exec.Command("find", dirs...)
cmd.Args = append(cmd.Args,
strings.Split(fmt.Sprintf(
"-type f -name *.go -exec grep -F %s -sl {} +",
searched,
), " ")...,
)
var stdout bytes.Buffer
var stderr bytes.Buffer
cmd.Stdout = &stdout
cmd.Stderr = &stderr
if err := cmd.Run(); err != nil {
return nil, fmt.Errorf("%s - %s", err, stderr.String())
}
scanner := bufio.NewScanner(&stdout)
list := deduplist(make(map[string]bool))
for scanner.Scan() {
p := strings.TrimPrefix(util.StripGopath(path.Dir(scanner.Text())), "/")
list.add(p)
}
if err := scanner.Err(); err != nil {
return nil, err
}
return list.list(), nil
}
func importPath(p string) (string, error) {
var clean string
if clean = strings.TrimSuffix(p, "/..."); p != clean {
recursive = true
}
cwd, err := os.Getwd()
if err != nil {
return "", err
}
pkg, err := build.Import(clean, cwd, build.FindOnly)
if err == nil {
return pkg.ImportPath, nil
}
if !godoc {
return "", err
}
if strings.HasPrefix(clean, ".") {
clean, _ = filepath.Abs(clean)
}
return util.StripGopath(clean), nil
}