mirror of
https://github.com/octoleo/syncthing.git
synced 2024-11-14 17:24:04 +00:00
108 lines
1.9 KiB
Go
108 lines
1.9 KiB
Go
// Copyright (C) 2014 The Syncthing Authors.
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//
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// This Source Code Form is subject to the terms of the Mozilla Public
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// License, v. 2.0. If a copy of the MPL was not distributed with this file,
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// You can obtain one at http://mozilla.org/MPL/2.0/.
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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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"compress/gzip"
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"encoding/base64"
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"flag"
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"go/format"
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"io"
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"net/http"
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"os"
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"path/filepath"
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"strings"
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"text/template"
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"time"
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)
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var tpl = template.Must(template.New("assets").Parse(`package auto
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import (
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"encoding/base64"
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)
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const (
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AssetsBuildDate = "{{.BuildDate}}"
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)
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func Assets() map[string][]byte {
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var assets = make(map[string][]byte, {{.Assets | len}})
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{{range $asset := .Assets}}
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assets["{{$asset.Name}}"], _ = base64.StdEncoding.DecodeString("{{$asset.Data}}")
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{{end}}
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return assets
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}
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`))
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type asset struct {
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Name string
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Data string
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}
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var assets []asset
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func walkerFor(basePath string) filepath.WalkFunc {
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return func(name 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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if strings.HasPrefix(filepath.Base(name), ".") {
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// Skip dotfiles
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return nil
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}
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if info.Mode().IsRegular() {
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fd, err := os.Open(name)
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if err != nil {
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return err
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}
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var buf bytes.Buffer
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gw := gzip.NewWriter(&buf)
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io.Copy(gw, fd)
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fd.Close()
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gw.Flush()
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gw.Close()
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name, _ = filepath.Rel(basePath, name)
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assets = append(assets, asset{
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Name: filepath.ToSlash(name),
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Data: base64.StdEncoding.EncodeToString(buf.Bytes()),
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})
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}
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return nil
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}
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}
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type templateVars struct {
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Assets []asset
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BuildDate string
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}
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func main() {
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flag.Parse()
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filepath.Walk(flag.Arg(0), walkerFor(flag.Arg(0)))
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var buf bytes.Buffer
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tpl.Execute(&buf, templateVars{
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Assets: assets,
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BuildDate: time.Now().UTC().Format(http.TimeFormat),
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})
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bs, err := format.Source(buf.Bytes())
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if err != nil {
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panic(err)
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}
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os.Stdout.Write(bs)
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}
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