[PATCH 4/7] git-submodule: Extract module_add from cmd_add

[Ping Yin <pkufranky@gmail.com>]

cmd_add will later handle the case adding multiple modules, so extract
module_add to add a single module.

Signed-off-by: Ping Yin <pkufranky@gmail.com>
---
 git-submodule.sh |   67 +++++++++++++++++++++++++++++++----------------------
 1 files changed, 39 insertions(+), 28 deletions(-)

diff --git a/git-submodule.sh b/git-submodule.sh
index 2276f6b..f3a1213 100755
--- a/git-submodule.sh
+++ b/git-submodule.sh
@@ -155,34 +155,7 @@ module_clone()
 #
 # optional branch is stored in global branch variable
 #
-cmd_add()
-{
-	# parse $args after "submodule ... add".
-	while test $# -ne 0
-	do
-		case "$1" in
-		-b | --branch)
-			case "$2" in '') usage ;; esac
-			branch=$2
-			shift
-			;;
-		-q|--quiet)
-			quiet=1
-			;;
-		--)
-			shift
-			break
-			;;
-		-*)
-			usage
-			;;
-		*)
-			break
-			;;
-		esac
-		shift
-	done
-
+module_add() {
 	repo=$1
 	path=$2
 
@@ -226,6 +199,44 @@ cmd_add()
 }
 
 #
+# Add a new submodule to the working tree, .gitmodules and the index
+#
+# $@ = repo [path]
+#
+# optional branch is stored in global branch variable
+#
+cmd_add()
+{
+	# parse $args after "submodule ... add".
+	while test $# -ne 0
+	do
+		case "$1" in
+		-b | --branch)
+			case "$2" in '') usage ;; esac
+			branch=$2
+			shift
+			;;
+		-q|--quiet)
+			quiet=1
+			;;
+		--)
+			shift
+			break
+			;;
+		-*)
+			usage
+			;;
+		*)
+			break
+			;;
+		esac
+		shift
+	done
+
+	module_add "$1" "$2"
+}
+
+#
 # Register submodules in .git/config
 #
 # $@ = requested paths (default to all)
-- 
1.5.5.70.gd68a