1 files changed, 125 insertions, 0 deletions
diff --git a/bash3.go b/bash3.go
new file mode 100644
index 0000000..c9a52ae
--- /dev/null
+++ b/bash3.go
@@ -0,0 +1,125 @@
+package prep
+
+// initializes logging and command line options
+
+import (
+	"fmt"
+	"os"
+	"path/filepath"
+	"time"
+
+	"go.wit.com/dev/alexflint/arg"
+	"go.wit.com/lib/config"
+	"go.wit.com/log"
+)
+
+func Bash3(dest any) *Auto {
+	return Bash(dest)
+}
+
+func Bash(dest any) *Auto {
+	myAuto = new(AutoArgs)
+	findAppInfo(dest) // parses back to main() for argv info
+
+	pb := parseArgv(myAuto.appName)
+	if pb.SetupAuto {
+		// --bash was passed. try to configure bash-completion
+		doBash(myAuto.appName)
+		os.Exit(0)
+	}
+
+	myAuto.match = make(map[string]string)
+	myAuto.match["--gui"] = "andlabs gocui"
+
+	if pb.Debug {
+		// dump debug info
+		pb.PrintDebug()
+	}
+
+	pb.doHandlePB() // read in the history protobuf file
+
+	// turn on debugging if duration < 200 milliseconds
+	dur := pb.Duration.AsDuration()
+	if dur < time.Millisecond*200 {
+		pb.Debug = true
+	}
+
+	// prepart["--gui"] = "andlabs gocui"
+
+	arg.Register(&argBash)
+	flags := []string{}
+	for _, s := range pb.Argv {
+		if s == "--autodebug" {
+			continue
+		}
+		flags = append(flags, s)
+	}
+	// pb.Debug = true
+	// pb.Debugf("DEBUG: MustParse(%v)", flags)
+	var err error
+	myAuto.pp, err = arg.ParseFlags(flags, dest)
+	if err != nil {
+		pb.Debugf("DEBUG: Parse error: %v", err)
+	}
+
+	if myAuto.pp == nil {
+		pb.Debugf("DEBUG: myAuto.pp == nil after ParseFlags()")
+	} else {
+		// pb.Debugf("DEBUG: myAuto.pp is ok after ParseFlags()")
+	}
+
+	if pb.IsAuto {
+		for key, val := range myAuto.match {
+			if pb.Last == key {
+				pb.Debugf("DEBUG: last=%s found key %s = %s", pb.Last, key, val)
+				pb.Autocomplete2(val)
+				os.Exit(0)
+			} else {
+				// pb.Debugf("DEBUG: NO MATCH last='%s' found key '%s' = %s", pb.Last, key, val)
+			}
+		}
+		if myAuto.autoFunc == nil {
+			pb.SubCommand(pb.Argv...)
+		} else {
+			myAuto.autoFunc(pb) // run the autocomplete function the user made for their application
+		}
+		if pb.Debug {
+			// TODO:
+			// check here to see if there was any completion text sent
+			// if not, send "reset bash newline\n" to cause bash to redraw PS1 for the user
+		}
+		os.Exit(0)
+	}
+
+	arg.Register(&argBash)
+	myAuto.pp = arg.MustParse(dest)
+	return pb
+}
+
+// makes a bash autocomplete file for your command
+func doBash(argname string) {
+	fmt.Println(makeBashCompletionText2(argname))
+
+	homeDir, err := os.UserHomeDir()
+	if err != nil {
+		log.Printf("# %v\n", err)
+		os.Exit(0)
+	}
+	filename := filepath.Join(homeDir, ".local/share/bash-completion/completions", argname)
+	if config.Exists(filename) {
+		log.Fprintln(os.Stderr, "# file already exists", filename)
+		// os.Exit(0)
+	}
+	basedir, _ := filepath.Split(filename)
+	if !config.IsDir(basedir) {
+		os.MkdirAll(basedir, os.ModePerm)
+	}
+
+	if f, err := os.OpenFile(filename, os.O_APPEND|os.O_CREATE|os.O_WRONLY, 0644); err == nil {
+		f.Write([]byte(makeBashCompletionText2(argname)))
+		f.Close()
+	} else {
+		log.Fprintln(os.Stderr, "# open file error", filename, err)
+	}
+	os.Exit(0)
+}