[PATCH 10/15] git-checkout: pass --submodules option to git-read-tree

@@ -1,6 +1,6 @@
 #!/bin/sh
 
-USAGE='[-q] [-f] [-b <new_branch>] [-m] [<branch>] [<paths>...]'
+USAGE='[-q] [-f] [--submodules] [--no-submodules] [-b <new_branch>] [-m] [<branch>] [<paths>...]'
 SUBDIRECTORY_OK=Sometimes
 . git-sh-setup
 require_work_tree

@@ -16,6 +16,7 @@ track=
 newbranch=
 newbranch_log=
 merge=
+submodules=
 quiet=
 v=-v
 LF='

@@ -46,6 +47,15 @@ while [ "$#" != "0" ]; do
 	-m)
 		merge=1
 		;;
+	--su|--sub|--subm|--submo|--submod|--submodu|--submodul|\
+	--submodule|--submodules)
+		submodules="--submodules"
+		;;
+	--no-su|--no-sub|--no-subm|--no-submo|--no-submod|\
+	--no-submodu|--no-submodul|\
+	--no-submodule|--no-submodules)
+		submodules="--no-submodules"
+		;;
 	"-q")
 		quiet=1
 		v=

@@ -199,10 +209,10 @@ fi
 
 if [ "$force" ]
 then
-    git-read-tree $v --reset -u $new
+    git-read-tree $v $submodules --reset -u $new
 else
     git-update-index --refresh >/dev/null
-    merge_error=$(git-read-tree -m -u --exclude-per-directory=.gitignore $old $new 2>&1) || (
+    merge_error=$(git-read-tree $submodules -m -u --exclude-per-directory=.gitignore $old $new 2>&1) || (
 	case "$merge" in
 	'')
 		echo >&2 "$merge_error"

@@ -212,7 +222,7 @@ else
 	# Match the index to the working tree, and do a three-way.
     	git diff-files --name-only | git update-index --remove --stdin &&
 	work=`git write-tree` &&
-	git read-tree $v --reset -u $new || exit
+	git read-tree $v $submodules --reset -u $new || exit
 
 	eval GITHEAD_$new='${new_name:-${branch:-$new}}' &&
 	eval GITHEAD_$work=local &&

@@ -223,7 +233,7 @@ else
 	# this is not a real merge before committing, but just carrying
 	# the working tree changes along.
 	unmerged=`git ls-files -u`
-	git read-tree $v --reset $new
+	git read-tree $v $submodules --reset $new
 	case "$unmerged" in
 	'')	;;
 	*)