83 lines
2.3 KiB
Go
83 lines
2.3 KiB
Go
// Copyright 2017 Google Inc.
|
|
//
|
|
// Licensed under the Apache License, Version 2.0 (the "License");
|
|
// you may not use this file except in compliance with the License.
|
|
// You may obtain a copy of the License at
|
|
//
|
|
// http://www.apache.org/licenses/LICENSE-2.0
|
|
//
|
|
// Unless required by applicable law or agreed to in writing, software
|
|
// distributed under the License is distributed on an "AS IS" BASIS,
|
|
// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
|
|
// See the License for the specific language governing permissions and
|
|
// limitations under the License.
|
|
|
|
// The license_serializer program normalizes and serializes the known
|
|
// licenseclassifier licenses into a compressed archive. The hash values for
|
|
// the licenses are calculated and added to the archive. These can then be used
|
|
// to determine where in unknown text is a good offset to run through the
|
|
// Levenshtein Distance algorithm.
|
|
package main
|
|
|
|
import (
|
|
"flag"
|
|
"fmt"
|
|
"log"
|
|
"os"
|
|
"path/filepath"
|
|
"strings"
|
|
|
|
"github.com/google/licenseclassifier"
|
|
"github.com/google/licenseclassifier/serializer"
|
|
)
|
|
|
|
var (
|
|
forbiddenOnly = flag.Bool("forbidden", false, "serialize only forbidden licenses")
|
|
outputDir = flag.String("output", "", "output directory")
|
|
)
|
|
|
|
func init() {
|
|
flag.Usage = func() {
|
|
fmt.Fprintf(os.Stderr, `Usage: %s [OPTIONS]
|
|
|
|
Calculate the hash values for files and serialize them into a database.
|
|
See go/license-classifier
|
|
|
|
Options:
|
|
`, filepath.Base(os.Args[0]))
|
|
flag.PrintDefaults()
|
|
}
|
|
}
|
|
|
|
func main() {
|
|
flag.Parse()
|
|
|
|
archiveName := licenseclassifier.LicenseArchive
|
|
if *forbiddenOnly {
|
|
archiveName = licenseclassifier.ForbiddenLicenseArchive
|
|
}
|
|
|
|
fn := filepath.Join(*outputDir, archiveName)
|
|
out, err := os.Create(fn)
|
|
if err != nil {
|
|
log.Fatalf("error: cannot create file %q: %v", fn, err)
|
|
}
|
|
defer out.Close()
|
|
|
|
lics, err := licenseclassifier.ReadLicenseDir()
|
|
if err != nil {
|
|
log.Fatalf("error: cannot read licenses directory: %v", err)
|
|
}
|
|
|
|
var licenses []string
|
|
for _, lic := range lics {
|
|
if !*forbiddenOnly || licenseclassifier.LicenseType(strings.TrimSuffix(lic.Name(), ".txt")) == "FORBIDDEN" {
|
|
licenses = append(licenses, lic.Name())
|
|
}
|
|
}
|
|
|
|
if err := serializer.ArchiveLicenses(licenses, out); err != nil {
|
|
log.Fatalf("error: cannot create database: %v", err)
|
|
}
|
|
}
|