Put the main loop for the git protocol in a function

git-remote-gcrypt

@@ -762,59 +762,67 @@ cleanup_atexit()
 	rm -f "$Localdir"/tmp_*".$$" >&2
 }
 
-NAME=$1  # Remote name
-URL=$2   # Remote URL
+# handle git-remote-helpers protocol
+gcrypt_main_loop()
+{
+	local input_= input_inner= args_=
 
-mkdir -p "$Localdir"
-trap cleanup_atexit EXIT 1 2 3 15
+	NAME=$1  # Remote name
+	URL=$2   # Remote URL
 
-echo_info "Development version -- Repository format MAY CHANGE"
+	mkdir -p "$Localdir"
+	trap cleanup_atexit EXIT 1 2 3 15
 
-while read Input
-do
-	case "$Input" in
-	capabilities)
-		do_capabilities
-		;;
-	list|list\ for-push)
-		do_list
-		;;
-	fetch\ *)
-		args_="${Input##fetch }"
-		while read InputX
-		do
-			case "$InputX" in
-			fetch*)
-			args_= #ignored
+	echo_info "Development version -- Repository format MAY CHANGE"
+
+	while read input_
+	do
+		case "$input_" in
+		capabilities)
+			do_capabilities
 			;;
-			*)
-			break
+		list|list\ for-push)
+			do_list
 			;;
-			esac
-		done
-		do_fetch "$args_"
-		;;
-	push\ *)
-		args_="${Input##push }"
-		while read InputX
-		do
-			case "$InputX" in
-			push\ *)
-				append_to args_ "${InputX#push }"
-			;;
-			*)
+		fetch\ *)
+			args_="${input_##fetch }"
+			while read input_inner
+			do
+				case "$input_inner" in
+				fetch*)
+				args_= #ignored
+				;;
+				*)
 				break
+				;;
+				esac
+			done
+			do_fetch "$args_"
 			;;
-			esac
-		done
-		do_push "$args_"
-		;;
-	?*)
-		echo_die "Unknown input!"
-		;;
-	*)
-		CLEAN_FINAL "$URL"
-		exit 0
-		;;
-	esac
-done
+		push\ *)
+			args_="${input_##push }"
+			while read input_inner
+			do
+				case "$input_inner" in
+				push\ *)
+					append_to args_ "${input_inner#push }"
+				;;
+				*)
+					break
+				;;
+				esac
+			done
+			do_push "$args_"
+			;;
+		?*)
+			echo_die "Unknown input!"
+			;;
+		*)
+			CLEAN_FINAL "$URL"
+			exit 0
+			;;
+		esac
+	done
+}
+
+gcrypt_main_loop "$@"