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copy tree + folder to memory yamlfs generator
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,95 @@ | ||
| /* | ||
| * Copyright 2020 Mandelsoft. All rights reserved. | ||
| * This file is licensed under the Apache Software License, v. 2 except as noted | ||
| * otherwise in the LICENSE file | ||
| * | ||
| * 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. | ||
| */ | ||
|
|
||
| package main | ||
|
|
||
| import ( | ||
| "flag" | ||
| "fmt" | ||
| "io/ioutil" | ||
| "os" | ||
| "strconv" | ||
|
|
||
| "github.com/mandelsoft/vfs/pkg/osfs" | ||
| "github.com/mandelsoft/vfs/pkg/vfs" | ||
| "github.com/mandelsoft/vfs/pkg/yamlfs" | ||
| ) | ||
|
|
||
| type Config struct { | ||
| Go bool | ||
| Name string | ||
| Pkg string | ||
| Copyright string | ||
| } | ||
|
|
||
| func ExitOnError(err error) { | ||
| if err != nil { | ||
| fmt.Fprintf(os.Stderr, "Error: %s\n", err) | ||
| os.Exit(1) | ||
| } | ||
| } | ||
|
|
||
| func main() { | ||
| var opts Config | ||
| flag.BoolVar(&opts.Go, "go", false, "generate a go file instead of a yaml file") | ||
| flag.StringVar(&opts.Name, "name", "YamlFS", "The go variable name to use") | ||
| flag.StringVar(&opts.Pkg, "package", "gofs", "Package name to use") | ||
| flag.StringVar(&opts.Copyright, "copyright", "", "Package copyright header") | ||
| flag.Parse() | ||
| args := flag.Args() | ||
|
|
||
| srcDir := "." | ||
| dstDir := vfs.PathSeparatorString | ||
| if len(args) > 0 { | ||
| if len(args) > 1 { | ||
| if len(args) > 2 { | ||
| ExitOnError(fmt.Errorf("too many arguments")) | ||
| } | ||
| dstDir = args[1] | ||
| } | ||
| srcDir = args[0] | ||
| } | ||
| dst, err := yamlfs.New(nil) | ||
| ExitOnError(err) | ||
| src := osfs.New() | ||
| ExitOnError(vfs.CopyDir(src, srcDir, dst, dstDir)) | ||
| data, err := dst.Data() | ||
| ExitOnError(err) | ||
| if opts.Go { | ||
| copyright := "" | ||
| if opts.Copyright != "" { | ||
| data, err := ioutil.ReadFile(opts.Copyright) | ||
| ExitOnError(err) | ||
| copyright = string(data) + "\n" | ||
| } | ||
| fmt.Printf(`%spackage %s | ||
| import ( | ||
| "github.com/mandelsoft/vfs/pkg/yamlfs" | ||
| ) | ||
| func New%s() *yamlfs.YamlFileSystem { | ||
| fs, _ := yamlfs.New([]byte(%s)) | ||
| return fs | ||
| } | ||
| `, copyright, opts.Pkg, opts.Name, strconv.Quote(string(data))) | ||
| } else { | ||
| fmt.Printf("%s\n", data) | ||
| } | ||
| } |
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