fix comp point greater than comp line size. fixes panic when getting…

… tab completion for some users

a.MD

@@ -97,4 +97,6 @@ man page parsing + flag suggestions for all commands
 
 git log --pretty=format:"* [%s](https://github.com/chriswalz/bit/commit/%H)" 09facd30..HEAD
 
-deleting tags from local and origin is painful
+deleting tags from local and origin is painful
+
+COMP_POINT=25 COMP_LINE="bit status" bitcomplete

bitcomplete/complete.go

@@ -2,15 +2,31 @@
 package main
 
 import (
+	"fmt"
 	"github.com/c-bata/go-prompt"
 	"github.com/chriswalz/bit/cmd"
 	"github.com/posener/complete/v2"
 	"github.com/posener/complete/v2/predict"
 	"github.com/thoas/go-funk"
+	"os"
+	"strconv"
 	"strings"
 )
 
 func main() {
+	compLine := os.Getenv("COMP_LINE")
+	compPoint := os.Getenv("COMP_POINT")
+	i, err := strconv.Atoi(compPoint)
+	if err != nil {
+		fmt.Println("COMP_LINE", compLine, "COMP_POINT", compPoint, "err:", err)
+		return
+	}
+	if i > len(compLine) {
+		err := os.Setenv("COMP_POINT", strconv.Itoa(len(compLine)))
+		if err != nil {
+			fmt.Println(err)
+		}
+	}
 
 	branchCompletion := &complete.Command{
 		Args: complete.PredictFunc(func(prefix string) []string {