vikunja-api/vendor/4d63.com/embedfiles/main.go
konrad 4472020ee9 Add workaround for timezones on windows (#151)
Add workaround for timezones on windows

Co-authored-by: kolaente <k@knt.li>
Reviewed-on: https://kolaente.dev/vikunja/api/pulls/151
2020-03-09 22:41:08 +00:00

125 lines
2.6 KiB
Go

package main // import "4d63.com/embedfiles"
import (
"bytes"
"flag"
"fmt"
"go/format"
"io/ioutil"
"os"
"path/filepath"
"text/template"
)
const tmpl = `
// Generated by 4d63.com/embedfiles.
package {{.Package}}
var {{.FileNamesVar}} = []string{ {{range $name, $bytes := .Files}}"{{$name}}",{{end}} }
var {{.FilesVar}} = map[string][]byte{
{{range $name, $bytes := .Files}}
"{{$name}}": []byte{ {{range $bytes}}{{.}},{{end}} },
{{end}}
}
`
type tmplData struct {
Package string
Files map[string][]byte
FileNamesVar string
FilesVar string
}
func main() {
out := flag.String("out", "files.go", "output go `file`")
pkg := flag.String("pkg", "main", "`package` name of the go file")
filesVar := flag.String("files-var", "files", "name of the generated files slice")
fileNamesVar := flag.String("file-names-var", "fileNames", "name of the generated file names slice")
verbose := flag.Bool("verbose", false, "")
flag.Usage = func() {
fmt.Fprintf(os.Stderr, "Embedfiles embeds files in the paths into a map in a go file.\n\n")
fmt.Fprintf(os.Stderr, "Usage:\n\n")
fmt.Fprintf(os.Stderr, " embedfiles -out=files.go -pkg=main <paths>\n\n")
fmt.Fprintf(os.Stderr, "Flags:\n\n")
flag.PrintDefaults()
}
flag.Parse()
inputPaths := flag.Args()
if len(inputPaths) == 0 {
flag.Usage()
return
}
f, err := os.Create(*out)
if err != nil {
printErr("creating file", err)
return
}
files := map[string][]byte{}
for _, inputPath := range inputPaths {
err = filepath.Walk(inputPath, func(path string, info os.FileInfo, err error) error {
if err != nil {
return fmt.Errorf("walking: %s", err)
}
if info.IsDir() {
return nil
}
if *verbose {
fmt.Printf("%s ", path)
}
contents, err := ioutil.ReadFile(path)
if err != nil {
return fmt.Errorf("reading file: %s", err)
}
if *verbose {
fmt.Printf("(%d bytes)\n", len(contents))
}
path = filepath.ToSlash(path)
files[path] = contents
return nil
})
if err != nil {
printErr("walking", err)
return
}
}
t, err := template.New("").Parse(tmpl)
if err != nil {
printErr("parsing template", err)
return
}
buf := bytes.Buffer{}
err = t.Execute(&buf, &tmplData{Package: *pkg, Files: files, FilesVar: *filesVar, FileNamesVar: *fileNamesVar})
if err != nil {
printErr("generating code", err)
return
}
formatted, err := format.Source(buf.Bytes())
if err != nil {
printErr("formatting code", err)
return
}
f.Write(formatted)
err = f.Close()
if err != nil {
printErr("finalizing file", err)
return
}
}
func printErr(doing string, err error) {
fmt.Fprintf(os.Stderr, "Error %s: %s\n", doing, err)
}