94 lines
2.1 KiB
Go
94 lines
2.1 KiB
Go
package main
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import (
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"bytes"
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"flag"
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"fmt"
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"go/format"
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"os"
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"path/filepath"
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"strings"
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"text/template"
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"github.com/hashicorp/packer/fix"
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)
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var deprecatedOptsTemplate = template.Must(template.New("deprecatedOptsTemplate").Funcs(template.FuncMap{"StringsJoin": strings.Join}).Parse(`//<!-- Code generated by generate-fixer-deprecations; DO NOT EDIT MANUALLY -->
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package config
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var DeprecatedOptions = map[string][]string{
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{{- range $key, $value := .DeprecatedOpts}}
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"{{$key}}": []string{"{{ StringsJoin . "\", \"" }}"},
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{{- end}}
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}
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`))
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type executeOpts struct {
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DeprecatedOpts map[string][]string
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}
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func main() {
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// Figure out location in directory structure
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args := flag.Args()
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if len(args) == 0 {
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// Default: process the file
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args = []string{os.Getenv("GOFILE")}
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}
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fname := args[0]
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absFilePath, err := filepath.Abs(fname)
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if err != nil {
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panic(err)
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}
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paths := strings.Split(absFilePath, "cmd"+string(os.PathSeparator)+
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"generate-fixer-deprecations"+string(os.PathSeparator)+"main.go")
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packerDir := paths[0]
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// Load all deprecated options from all active fixers
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allDeprecatedOpts := map[string][]string{}
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for _, name := range fix.FixerOrder {
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fixer, ok := fix.Fixers[name]
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if !ok {
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panic("fixer not found: " + name)
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}
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deprecated := fixer.DeprecatedOptions()
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for k, v := range deprecated {
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if allDeprecatedOpts[k] == nil {
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allDeprecatedOpts[k] = v
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} else {
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allDeprecatedOpts[k] = append(allDeprecatedOpts[k], v...)
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}
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}
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}
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deprecated_path := filepath.Join(packerDir, "packer-plugin-sdk", "template",
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"config", "deprecated_options.go")
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buf := bytes.Buffer{}
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// execute template into buffer
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deprecated := &executeOpts{DeprecatedOpts: allDeprecatedOpts}
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err = deprecatedOptsTemplate.Execute(&buf, deprecated)
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if err != nil {
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panic(err)
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}
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// we've written unformatted go code to the file. now we have to format it.
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out, 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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outputFile, err := os.Create(deprecated_path)
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if err != nil {
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panic(err)
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}
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_, err = outputFile.Write(out)
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defer outputFile.Close()
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if err != nil {
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fmt.Printf("%v", err)
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os.Exit(1)
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}
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}
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