104 lines
2.2 KiB
Go
104 lines
2.2 KiB
Go
// Copyright (C) 2014 The Syncthing Authors.
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//
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// This program is free software: you can redistribute it and/or modify it
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// under the terms of the GNU General Public License as published by the Free
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// Software Foundation, either version 3 of the License, or (at your option)
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// any later version.
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//
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// This program is distributed in the hope that it will be useful, but WITHOUT
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// ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
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// FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for
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// more details.
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//
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// You should have received a copy of the GNU General Public License along
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// with this program. If not, see <http://www.gnu.org/licenses/>.
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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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"os"
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"path/filepath"
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"text/template"
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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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"bytes"
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"compress/gzip"
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"encoding/base64"
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"io/ioutil"
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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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var bs []byte
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var gr *gzip.Reader
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{{range $asset := .assets}}
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bs, _ = base64.StdEncoding.DecodeString("{{$asset.Data}}")
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gr, _ = gzip.NewReader(bytes.NewBuffer(bs))
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bs, _ = ioutil.ReadAll(gr)
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assets["{{$asset.Name}}"] = bs
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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 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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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, map[string][]asset{"assets": assets})
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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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