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Remove use of text/template #138

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Merged
merged 1 commit into from
Mar 20, 2024
Merged

Remove use of text/template #138

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18 changes: 5 additions & 13 deletions main.go
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Original file line number Diff line number Diff line change
@@ -1,7 +1,6 @@
package main // import "github.com/tianon/gosu"

import (
"bytes"
"fmt"
"log"
"os"
Expand All @@ -10,7 +9,6 @@ import (
"runtime"
"strings"
"syscall"
"text/template"
)

func init() {
Expand All @@ -24,24 +22,18 @@ func version() string {
}

func usage() string {
t := template.Must(template.New("usage").Parse(`
t := `
Usage: {{ .Self }} user-spec command [args]
eg: {{ .Self }} tianon bash
{{ .Self }} nobody:root bash -c 'whoami && id'
{{ .Self }} 1000:1 id

{{ .Self }} version: {{ .Version }}
{{ .Self }} license: Apache-2.0 (full text at https://github.com/tianon/gosu)
`))
var b bytes.Buffer
template.Must(t, t.Execute(&b, struct {
Self string
Version string
}{
Self: filepath.Base(os.Args[0]),
Version: version(),
}))
return strings.TrimSpace(b.String()) + "\n"
`
t = strings.ReplaceAll(t, "{{ .Self }}", filepath.Base(os.Args[0]))
t = strings.ReplaceAll(t, "{{ .Version }}", version())
return t[1:]
}

func main() {
Expand Down