76 lines
1.6 KiB
Go
76 lines
1.6 KiB
Go
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package command
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import (
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"flag"
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"fmt"
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"strings"
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"github.com/hashicorp/hcl/hcl/fmtcmd"
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"github.com/mitchellh/cli"
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)
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const (
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fileExtension = "tf"
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)
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// FmtCommand is a Command implementation that rewrites Terraform config
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// files to a canonical format and style.
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type FmtCommand struct {
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Meta
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opts fmtcmd.Options
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}
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func (c *FmtCommand) Run(args []string) int {
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args = c.Meta.process(args, false)
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cmdFlags := flag.NewFlagSet("fmt", flag.ContinueOnError)
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cmdFlags.BoolVar(&c.opts.List, "list", false, "list")
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cmdFlags.BoolVar(&c.opts.Write, "write", false, "write")
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cmdFlags.BoolVar(&c.opts.Diff, "diff", false, "diff")
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cmdFlags.Usage = func() { c.Ui.Error(c.Help()) }
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if err := cmdFlags.Parse(args); err != nil {
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return 1
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}
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args = cmdFlags.Args()
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if len(args) > 0 {
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c.Ui.Error("The fmt command expects no arguments.")
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cmdFlags.Usage()
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return 1
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}
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dir := "."
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output := &cli.UiWriter{Ui: c.Ui}
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err := fmtcmd.Run([]string{dir}, []string{fileExtension}, nil, output, c.opts)
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if err != nil {
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c.Ui.Error(fmt.Sprintf("Error running fmt: %s", err))
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return 2
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}
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return 0
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}
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func (c *FmtCommand) Help() string {
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helpText := `
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Usage: terraform fmt [options]
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Rewrites all Terraform configuration files in the current working
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directory to a canonical format.
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Options:
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-list List files whose formatting differs
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-write Write result to source file instead of STDOUT
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-diff Display diffs instead of rewriting files
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`
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return strings.TrimSpace(helpText)
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}
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func (c *FmtCommand) Synopsis() string {
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return "Rewrites config files to canonical format"
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}
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