| /* |
| Licensed to the Apache Software Foundation (ASF) under one or more |
| contributor license agreements. See the NOTICE file distributed with |
| this work for additional information regarding copyright ownership. |
| The ASF licenses this file to You 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. |
| */ |
| |
| package main |
| |
| import ( |
| "fmt" |
| "io/ioutil" |
| "log" |
| "net/http" |
| "os" |
| "path" |
| "path/filepath" |
| "strings" |
| "time" |
| |
| "github.com/shurcooL/httpfs/filter" |
| "github.com/shurcooL/vfsgen" |
| ) |
| |
| func main() { |
| if len(os.Args) != 2 { |
| println("usage: vfs-gen directory") |
| os.Exit(1) |
| } |
| |
| dirName := os.Args[1] |
| dir, err := os.Stat(dirName) |
| if err != nil { |
| log.Fatalln(err) |
| } |
| if !dir.IsDir() { |
| fmt.Printf("path %s is not a directory\n", dirName) |
| os.Exit(1) |
| } |
| |
| var exclusions []string |
| if err := filepath.Walk(dirName, func(resPath string, info os.FileInfo, err error) error { |
| if info.IsDir() { |
| ignoreFileName := path.Join(resPath, ".vfsignore") |
| _, err := os.Stat(ignoreFileName) |
| if err == nil { |
| rel, err := filepath.Rel(dirName, resPath) |
| if err != nil { |
| log.Fatalln(err) |
| } |
| if !strings.HasPrefix(rel, "/") { |
| rel = "/" + rel |
| } |
| exclusions = append(exclusions, rel) |
| } else if !os.IsNotExist(err) { |
| log.Fatalln(err) |
| } |
| } |
| return nil |
| }); err != nil { |
| log.Fatalln(err) |
| } |
| |
| var fs http.FileSystem = modTimeFS{ |
| fs: http.Dir(dirName), |
| } |
| fs = filter.Skip(fs, filter.FilesWithExtensions(".go")) |
| fs = filter.Skip(fs, func(path string, fi os.FileInfo) bool { |
| for _, ex := range exclusions { |
| if strings.HasPrefix(path, ex) { |
| return true |
| } |
| } |
| return false |
| }) |
| |
| resourceFile := path.Join(dirName, "resources.go") |
| err = vfsgen.Generate(fs, vfsgen.Options{ |
| Filename: resourceFile, |
| PackageName: path.Base(dirName), |
| }) |
| if err != nil { |
| log.Fatalln(err) |
| } |
| |
| header := `/* |
| Licensed to the Apache Software Foundation (ASF) under one or more |
| contributor license agreements. See the NOTICE file distributed with |
| this work for additional information regarding copyright ownership. |
| The ASF licenses this file to You 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. |
| */ |
| |
| ` |
| content, err := ioutil.ReadFile(resourceFile) |
| if err != nil { |
| log.Fatalln(err) |
| } |
| var finalContent []byte |
| finalContent = append(finalContent, []byte(header)...) |
| finalContent = append(finalContent, content...) |
| if err := ioutil.WriteFile(resourceFile, finalContent, 0777); err != nil { |
| log.Fatalln(err) |
| } |
| |
| } |
| |
| // modTimeFS wraps http.FileSystem to set mod time to 0 for all files |
| type modTimeFS struct { |
| fs http.FileSystem |
| } |
| |
| func (fs modTimeFS) Open(name string) (http.File, error) { |
| f, err := fs.fs.Open(name) |
| if err != nil { |
| return nil, err |
| } |
| return modTimeFile{f}, nil |
| } |
| |
| type modTimeFile struct { |
| http.File |
| } |
| |
| func (f modTimeFile) Stat() (os.FileInfo, error) { |
| fi, err := f.File.Stat() |
| if err != nil { |
| return nil, err |
| } |
| return modTimeFileInfo{fi}, nil |
| } |
| |
| type modTimeFileInfo struct { |
| os.FileInfo |
| } |
| |
| func (modTimeFileInfo) ModTime() time.Time { |
| return time.Time{} |
| } |