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Custom AppHelpTemplate for step-ca

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This commit is contained in:
max furman 2019-08-29 15:58:07 -07:00
parent 8516ea2fc6
commit e3bd2d0e2b
1 changed files with 58 additions and 4 deletions
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62
cmd/step-ca/main.go
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@ -4,6 +4,7 @@ import (
"bytes"
"flag"
"fmt"
"html"
"io/ioutil"
"log"
"net/http"
@ -11,6 +12,7 @@ import (
"reflect"
"regexp"
"runtime"
"strconv"
"time"
"unicode"
@ -54,12 +56,64 @@ func printFullVersion() {
fmt.Printf("Release Date: %s\n", releaseDate())
}
// appHelpTemplate contains the modified template for the main app
var appHelpTemplate = `## NAME
**{{.HelpName}}** -- {{.Usage}}
## USAGE
{{if .UsageText}}{{.UsageText}}{{else}}**{{.HelpName}}**{{if .Commands}} <command>{{end}} {{if .ArgsUsage}}{{.ArgsUsage}}{{else}}_[arguments]_{{end}}{{end}}{{if .Description}}
## DESCRIPTION
{{.Description}}{{end}}{{if .VisibleCommands}}
## COMMANDS
{{range .VisibleCategories}}{{if .Name}}{{.Name}}:{{end}}
|||
|---|---|{{range .VisibleCommands}}
| **{{join .Names ", "}}** | {{.Usage}} |{{end}}
{{end}}{{if .VisibleFlags}}{{end}}
## OPTIONS
{{range $index, $option := .VisibleFlags}}{{if $index}}
{{end}}{{$option}}
{{end}}{{end}}{{if .Copyright}}{{if len .Authors}}
## AUTHOR{{with $length := len .Authors}}{{if ne 1 $length}}S{{end}}{{end}}:
{{range $index, $author := .Authors}}{{if $index}}
{{end}}{{$author}}{{end}}{{end}}{{if .Version}}{{if not .HideVersion}}
## ONLINE
This documentation is available online at https://smallstep.com/docs/certificates
## VERSION
{{.Version}}{{end}}{{end}}
## COPYRIGHT
{{.Copyright}}
## FEEDBACK ` +
html.UnescapeString("&#"+strconv.Itoa(128525)+";") + " " +
html.UnescapeString("&#"+strconv.Itoa(127867)+";") +
`
The **step-ca** utility is not instrumented for usage statistics. It does not phone home.
But your feedback is extremely valuable. Any information you can provide regarding how you’re using **step-ca** helps.
Please send us a sentence or two, good or bad: **feedback@smallstep.com** or join https://gitter.im/smallstep/community.
{{end}}
`
func main() {
// Override global framework components
cli.VersionPrinter = func(c *cli.Context) {
printFullVersion()
}
cli.AppHelpTemplate = usage.AppHelpTemplate
cli.AppHelpTemplate = appHelpTemplate
cli.SubcommandHelpTemplate = usage.SubcommandHelpTemplate
cli.CommandHelpTemplate = usage.CommandHelpTemplate
cli.HelpPrinter = usage.HelpPrinter
@ -118,7 +172,7 @@ intermediate private key.`,
app.Commands = []cli.Command{
{
Name: "version",
Usage: "Displays the current version of the cli",
Usage: "Displays the current version of step-ca",
// Command prints out the current version of the tool
Action: func(c *cli.Context) error {
printFullVersion()
@ -143,12 +197,12 @@ intermediate private key.`,
}()
}
app.Action = func(ctx *cli.Context) error {
app.Action = func(_ *cli.Context) error {
// Hack to be able to run a the top action as a subcommand
cmd := cli.Command{Name: "start", Action: startAction, Flags: app.Flags}
set := flag.NewFlagSet(app.Name, flag.ContinueOnError)
set.Parse(os.Args)
ctx = cli.NewContext(app, set, nil)
ctx := cli.NewContext(app, set, nil)
return cmd.Run(ctx)
}