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|
package main
import (
"encoding/json"
"flag"
"log"
"os"
"os/exec"
"path/filepath"
"text/template"
)
var (
sourcePath = flag.String("source", "", "directory path containing license files")
tmplPath = flag.String("template", "", "file path to notice template")
)
type license struct {
Filename string
Path string
Text string
}
func main() {
flag.Parse()
if *sourcePath == "" || *tmplPath == "" {
log.Fatal("must provide flags 'source' and 'template'")
}
tmpl, err := template.ParseFiles(*tmplPath)
if err != nil {
log.Fatal(err)
}
var licenses []license
data, err := exec.Command("go", "mod", "edit", "-json").Output()
if err != nil {
log.Fatal(err)
}
modInfo := struct {
Module struct {
Path string
}
}{}
if err := json.Unmarshal(data, &modInfo); err != nil {
log.Fatal(err)
}
if err := filepath.Walk(*sourcePath, func(path string, info os.FileInfo, err error) error {
if err != nil {
return err
}
if info.IsDir() {
return nil
}
p, err := filepath.Rel(*sourcePath, filepath.Dir(path))
if err != nil {
log.Fatal(err)
}
if p == modInfo.Module.Path {
return filepath.SkipDir
}
t, err := os.ReadFile(path)
if err != nil {
log.Fatal(err)
}
licenses = append(licenses, license{
Filename: filepath.Base(path),
Path: p,
Text: string(t),
})
return nil
}); err != nil {
log.Fatal(err)
}
if err := tmpl.Execute(os.Stdout, licenses); err != nil {
log.Fatal(err)
}
}
|
