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Fix options and make usage text much more readable

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Now micro -h will just show you the important information and if you
want to see each individual option's help text use micro -options.
This commit is contained in:
Zachary Yedidia
2017-09-17 22:11:26 -04:00
parent 1e55b6f6b3
commit 19dc9d7bbc
1 changed files with 25 additions and 8 deletions
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33
cmd/micro/micro.go
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@@ -250,23 +250,31 @@ func LoadAll() {
var flagVersion = flag.Bool("version", false, "Show the version number and information")
var flagStartPos = flag.String("startpos", "", "LINE,COL to start the cursor at when opening a buffer.")
var flagConfigDir = flag.String("config-dir", "", "Specify a custom location for the configuration directory")
var optionFlagSet = flag.NewFlagSet("option", flag.ExitOnError)
var flagOptions = flag.Bool("options", false, "Show all option help")
func main() {
flag.Usage = func() {
fmt.Println("Usage: micro [OPTIONS] [FILE]...")
flag.CommandLine.SetOutput(os.Stdout)
flag.PrintDefaults()
optionFlagSet.SetOutput(os.Stdout)
fmt.Print("\n------------------------------------------------------------------\n")
fmt.Print("Micro's options can also be set via command line arguments for quick\nadjustments. For real configuration, please use the bindings.json\nfile (see 'help options').\n\n")
optionFlagSet.PrintDefaults()
fmt.Println("-config-dir dir")
fmt.Println(" \tSpecify a custom location for the configuration directory")
fmt.Println("-startpos LINE,COL")
fmt.Println(" \tSpecify a line and column to start the cursor at when opening a buffer")
fmt.Println("-options")
fmt.Println(" \tShow all option help")
fmt.Println("-version")
fmt.Println(" \tShow the version number and information")
fmt.Print("\nMicro's options can also be set via command line arguments for quick\nadjustments. For real configuration, please use the bindings.json\nfile (see 'help options').\n\n")
fmt.Println("-option value")
fmt.Println(" \tSet `option` to `value` for this session")
fmt.Println(" \tFor example: `micro -syntax off file.c`")
fmt.Println("\nUse `micro -options` to see the full list of configuration options")
}
optionFlags := make(map[string]*string)
for k, v := range DefaultGlobalSettings() {
optionFlags[k] = optionFlagSet.String(k, "", fmt.Sprintf("The %s option. Default value: '%v'", k, v))
optionFlags[k] = flag.String(k, "", fmt.Sprintf("The %s option. Default value: '%v'", k, v))
}
flag.Parse()
@@ -279,6 +287,15 @@ func main() {
os.Exit(0)
}
if *flagOptions {
// If -options was passed
for k, v := range DefaultGlobalSettings() {
fmt.Printf("-%s value\n", k)
fmt.Printf(" \tThe %s option. Default value: '%v'\n", k, v)
}
os.Exit(0)
}
// Start the Lua VM for running plugins
L = lua.NewState()
defer L.Close()