114 lines
2.7 KiB
Go
114 lines
2.7 KiB
Go
package prep
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// initializes logging and command line options
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import (
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"fmt"
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"os"
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"path/filepath"
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"strings"
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"go.wit.com/dev/alexflint/arg"
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"go.wit.com/lib/gui/shell"
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"go.wit.com/log"
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)
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/*
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This struct can be used with the go-arg package. These
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are the generic default command line arguments for the 'GUI' package
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*/
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var argBash ArgsBash
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type ArgsBash struct {
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Bash bool `arg:"--bash" help:"generate bash completion"`
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}
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// try this struct out (?)
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var myAuto *AutoArgs
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type AutoArgs struct {
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id int // should be unique
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hidden bool // don't update the toolkits when it's hidden
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Auto func([]string)
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appName string // a good way to track the name of the binary ?
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pp *arg.Parser // for parsing the command line args. Yay to alexf lint!
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autoFunc func(*Auto)
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}
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// argname is the name of the executable
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func Bash(argname string, autocomplete func([]string)) *AutoArgs {
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myAuto = new(AutoArgs)
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myAuto.appName = argname
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if len(os.Args) > 1 && os.Args[1] == "--bash" {
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doBash(argname)
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os.Exit(0)
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}
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if len(os.Args) > 1 && os.Args[1] == "--auto-complete" {
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autocomplete(os.Args[2:])
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os.Exit(0)
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}
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arg.Register(&argBash)
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// parse go.Arg here?
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return myAuto
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}
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// print out auto complete debugging info
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func (pb *Auto) PrintDebug() {
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dur := pb.Duration.AsDuration()
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pb.Debugf("AUTOCOMPLETE: arg0='%s' arg1='%s' partial='%s' cmd='%s' age=%s argv=%v\n", pb.Arg0, pb.Arg1, pb.Partial, pb.Cmd, shell.FormatDuration(dur), pb.Argv)
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// fmt.Println("--all --gui --verbose --force")
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}
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// returns the last command (is blank if the current arg is not blank)
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func GetLast(cur string, argv []string) string {
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if cur != "''" {
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return ""
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}
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for _, s := range argv {
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if strings.HasPrefix(s, "-") {
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continue
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}
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return s
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}
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return ""
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}
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// returns the name of the executable registered for shell autocomplete
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func AppName() string {
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return myAuto.appName
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}
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// makes a bash autocomplete file for your command
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func doBash(argname string) {
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fmt.Println(makeBashCompletionText(argname))
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homeDir, err := os.UserHomeDir()
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if err != nil {
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log.Printf("%v\n", err)
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os.Exit(0)
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}
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filename := filepath.Join(homeDir, ".local/share/bash-completion/completions", argname)
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if shell.Exists(filename) {
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log.Println(filename, "file already exists")
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os.Exit(0)
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}
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basedir, _ := filepath.Split(filename)
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if !shell.IsDir(basedir) {
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os.MkdirAll(basedir, os.ModePerm)
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}
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if f, err := os.OpenFile(filename, os.O_APPEND|os.O_CREATE|os.O_WRONLY, 0644); err == nil {
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f.Write([]byte(makeBashCompletionText(argname)))
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f.Close()
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log.Println("bash file created:", filename)
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log.Println("restart bash")
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} else {
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log.Info(filename, err)
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}
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os.Exit(0)
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}
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