mirror of
https://github.com/golang/go
synced 2024-11-19 05:34:40 -07:00
59 lines
1.1 KiB
Go
59 lines
1.1 KiB
Go
|
// Copyright 2019 The Go Authors. All rights reserved.
|
||
|
|
// Use of this source code is governed by a BSD-style
|
||
|
|
// license that can be found in the LICENSE file.
|
||
|
|
|
||
|
|
package debug
|
||
|
|
|
||
|
|
import (
|
||
|
|
"fmt"
|
||
|
|
"io"
|
||
|
|
"os/exec"
|
||
|
|
"strings"
|
||
|
|
)
|
||
|
|
|
||
|
|
type PrintMode int
|
||
|
|
|
||
|
|
const (
|
||
|
|
PlainText = PrintMode(iota)
|
||
|
|
Markdown
|
||
|
|
HTML
|
||
|
|
)
|
||
|
|
|
||
|
|
// This writes the version and environment information to a writer.
|
||
|
|
func PrintVersionInfo(w io.Writer, verbose bool, mode PrintMode) {
|
||
|
|
if !verbose {
|
||
|
|
printBuildInfo(w, false, mode)
|
||
|
|
return
|
||
|
|
}
|
||
|
|
section(w, mode, "Build info", func() {
|
||
|
|
printBuildInfo(w, true, mode)
|
||
|
|
})
|
||
|
|
fmt.Fprint(w, "\n")
|
||
|
|
section(w, mode, "Go info", func() {
|
||
|
|
cmd := exec.Command("go", "version")
|
||
|
|
cmd.Stdout = w
|
||
|
|
cmd.Run()
|
||
|
|
fmt.Fprint(w, "\n")
|
||
|
|
cmd = exec.Command("go", "env")
|
||
|
|
cmd.Stdout = w
|
||
|
|
cmd.Run()
|
||
|
|
})
|
||
|
|
}
|
||
|
|
|
||
|
|
func section(w io.Writer, mode PrintMode, title string, body func()) {
|
||
|
|
switch mode {
|
||
|
|
case PlainText:
|
||
|
|
fmt.Fprintln(w, title)
|
||
|
|
fmt.Fprintln(w, strings.Repeat("-", len(title)))
|
||
|
|
body()
|
||
|
|
case Markdown:
|
||
|
|
fmt.Fprintf(w, "#### %s\n\n```\n", title)
|
||
|
|
body()
|
||
|
|
fmt.Fprintf(w, "```\n")
|
||
|
|
case HTML:
|
||
|
|
fmt.Fprintf(w, "<h3>%s</h3>\n<pre>\n", title)
|
||
|
|
body()
|
||
|
|
fmt.Fprint(w, "</pre>\n")
|
||
|
|
}
|
||
|
|
}
|