forked from mystiq/dex
63a62b6754
Add a small program to iterate over the templates directory and generate a go map of name to file data. This is so we can compile these templates into the dex binary instead of requiring files on disk. Also add a Makefile rule to do this automatically.
80 lines
1.6 KiB
Go
80 lines
1.6 KiB
Go
// +build ignore
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package main
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import (
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"bytes"
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"fmt"
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"io/ioutil"
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"log"
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"os/exec"
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"path/filepath"
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)
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// ignoreFile uses "git check-ignore" to determine if we should ignore a file.
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func ignoreFile(p string) (ok bool, err error) {
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err = exec.Command("git", "check-ignore", p).Run()
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if err == nil {
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return true, nil
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}
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exitErr, ok := err.(*exec.ExitError)
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if ok {
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if sys := exitErr.Sys(); sys != nil {
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e, ok := sys.(interface {
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// Is the returned value something that returns an exit status?
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ExitStatus() int
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})
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if ok && e.ExitStatus() == 1 {
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return false, nil
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}
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}
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}
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return false, err
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}
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type fileData struct {
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name string
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data string
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}
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func main() {
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dir, err := ioutil.ReadDir("web/templates")
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if err != nil {
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log.Fatal(err)
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}
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files := []fileData{}
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for _, file := range dir {
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p := filepath.Join("web/templates", file.Name())
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ignore, err := ignoreFile(p)
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if err != nil {
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log.Fatal(err)
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}
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if ignore {
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continue
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}
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data, err := ioutil.ReadFile(p)
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if err != nil {
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log.Fatal(err)
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}
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files = append(files, fileData{file.Name(), string(data)})
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}
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f := new(bytes.Buffer)
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fmt.Fprintln(f, "// This file was generated by the makefile. Do not edit.")
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fmt.Fprintln(f)
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fmt.Fprintln(f, "package server")
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fmt.Fprintln(f)
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fmt.Fprintln(f, "// defaultTemplates is a key for file name to file data of the files in web/templates.")
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fmt.Fprintln(f, "var defaultTemplates = map[string]string{")
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for _, file := range files {
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fmt.Fprintf(f, "\t%q: %q,\n", file.name, file.data)
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}
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fmt.Fprintln(f, "}")
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if err := ioutil.WriteFile("server/templates_default.go", f.Bytes(), 0644); err != nil {
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log.Fatal(err)
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}
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}
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