basic arg parsing

main.go

@@ -0,0 +1,66 @@
+package main
+
+import (
+	"fmt"
+	"flag"
+	"os"
+)
+
+var flags *flag.FlagSet
+var stage_scope bool
+var commit_directly bool
+var commit_type string
+var commit_scope string
+var commit_message []string
+
+func init() {
+	flags = flag.NewFlagSet("flags", flag.ExitOnError)
+	flags.BoolVar(&commit_directly, "c", false, "Commit directly without opening editor")
+	flags.BoolVar(&commit_directly, "commit", false, "Commit directly without opening editor")
+	flags.BoolVar(&stage_scope, "a", false, "Stage (git add) the directory of scope")
+	flags.BoolVar(&stage_scope, "add", false, "Stage (git add) the directory of scope")
+}
+
+func parseArgs() {
+	if len(os.Args) < 2 {
+		fmt.Fprintf(os.Stderr, "ERROR: need at least `type`\n")
+		os.Exit(5)
+	}
+
+	argparseloop:
+	for i := 1; i < len(os.Args); i++ {
+		fmt.Println(os.Args[i],"@", i)
+		switch os.Args[i] {
+			case "-c", "--commit", "-commit":
+				flags.Parse([]string{os.Args[i]})
+			case "-a", "--add", "-add":
+				flags.Parse([]string{os.Args[i]})
+			case "--":
+				commit_message = os.Args[i+1:]
+				break argparseloop
+			default:
+				if commit_type == "" {
+					commit_type = os.Args[i]
+					continue argparseloop
+				}
+				if commit_scope == "" {
+					commit_scope = os.Args[i]
+					continue argparseloop
+				}
+				fmt.Fprintf(os.Stderr, "unsure what do with additional args %q\n",os.Args[i])
+				os.Exit(5)
+		}
+	}
+}
+
+func main() {
+	fmt.Println("hello world");
+	parseArgs()
+	fmt.Printf(`these are your args:
+	commit: %t
+	stage: %t
+	type: %s
+	scope: %s
+	message: %s
+`, commit_directly, stage_scope, commit_type, commit_scope, commit_message)
+}