tool/info-plist: decrease indentation and simplify (zyedidia#3479)

tools/info-plist.go

@@ -5,24 +5,21 @@ package main
 
 import (
 	"fmt"
-	"io/ioutil"
 	"os"
 	"runtime"
 )
 
-func check(e error) {
-	if e != nil {
-		panic(e)
-	}
-}
-
 func main() {
 	if runtime.GOOS != "darwin" {
 		return
 	}
-	if len(os.Args) == 3 {
-		if os.Args[1] == "darwin" && runtime.GOOS == "darwin" {
-			rawInfoPlistString := `<?xml version="1.0" encoding="UTF-8"?>
+	if len(os.Args) != 3 {
+		panic("missing arguments")
+	}
+	if os.Args[1] != "darwin" {
+		return
+	}
+	rawInfoPlist := `<?xml version="1.0" encoding="UTF-8"?>
 	<!DOCTYPE plist PUBLIC "-//Apple//DTD PLIST 1.0//EN" "http://www.apple.com/DTDs/PropertyList-1.0.dtd">
 	<plist version="1.0">
 	<dict>
@@ -39,13 +36,10 @@ func main() {
 	</dict>
 	</plist>
 	`
-			infoPlistData := []byte(rawInfoPlistString)
 
-			err := ioutil.WriteFile("/tmp/micro-info.plist", infoPlistData, 0644)
-			check(err)
-			fmt.Println("-linkmode external -extldflags -Wl,-sectcreate,__TEXT,__info_plist,/tmp/micro-info.plist")
-		}
-	} else {
-		panic("missing arguments")
+	err := os.WriteFile("/tmp/micro-info.plist", []byte(rawInfoPlist), 0644)
+	if err != nil {
+		panic(err)
 	}
+	fmt.Println("-linkmode external -extldflags -Wl,-sectcreate,__TEXT,__info_plist,/tmp/micro-info.plist")
 }