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https://codeberg.org/forgejo/forgejo.git
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48abe41ea8
* Only generate bindata if necessary * Only generate bindata if they are not up-to-date * generate a hash of the fileinfo and use that to keep up-to-date * Newer test is redundant * handle missing bindata and clean * Only update hash after successful write * switch to sha1 hash * Apply suggestions from code review Co-Authored-By: guillep2k <18600385+guillep2k@users.noreply.github.com> Co-authored-by: guillep2k <18600385+guillep2k@users.noreply.github.com>
86 lines
1.7 KiB
Go
Vendored
86 lines
1.7 KiB
Go
Vendored
// Copyright 2020 The Gitea Authors. All rights reserved.
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// Use of this source code is governed by a MIT-style
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// license that can be found in the LICENSE file.
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// +build ignore
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package main
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import (
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"bytes"
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"crypto/sha1"
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"fmt"
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"io/ioutil"
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"log"
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"net/http"
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"os"
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"path/filepath"
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"strconv"
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"github.com/shurcooL/vfsgen"
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)
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func needsUpdate(dir string, filename string) (bool, []byte) {
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needRegen := false
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_, err := os.Stat(filename)
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if err != nil {
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needRegen = true
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}
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oldHash, err := ioutil.ReadFile(filename + ".hash")
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if err != nil {
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oldHash = []byte{}
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}
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hasher := sha1.New()
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err = filepath.Walk(dir, func(path string, info os.FileInfo, err error) error {
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if err != nil {
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return err
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}
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_, _ = hasher.Write([]byte(info.Name()))
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_, _ = hasher.Write([]byte(info.ModTime().String()))
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_, _ = hasher.Write([]byte(strconv.FormatInt(info.Size(), 16)))
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return nil
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})
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if err != nil {
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return true, oldHash
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}
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newHash := hasher.Sum([]byte{})
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if bytes.Compare(oldHash, newHash) != 0 {
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return true, newHash
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}
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return needRegen, newHash
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}
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func main() {
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if len(os.Args) != 4 {
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log.Fatal("Insufficient number of arguments. Need: directory packageName filename")
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}
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dir, packageName, filename := os.Args[1], os.Args[2], os.Args[3]
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update, newHash := needsUpdate(dir, filename)
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if !update {
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fmt.Printf("bindata for %s already up-to-date\n", packageName)
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return
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}
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fmt.Printf("generating bindata for %s\n", packageName)
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var fsTemplates http.FileSystem = http.Dir(dir)
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err := vfsgen.Generate(fsTemplates, vfsgen.Options{
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PackageName: packageName,
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BuildTags: "bindata",
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VariableName: "Assets",
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Filename: filename,
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})
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if err != nil {
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log.Fatalf("%v\n", err)
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}
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_ = ioutil.WriteFile(filename+".hash", newHash, 0666)
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}
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