[PATCHv4 12/14] git submodule update: cmd_update_clone

[Stefan Beller <sbeller@google.com>]

Split the cloning part out to its own function,
this allow us in a later patch to convert cmd_update in C.

Signed-off-by: Stefan Beller <sbeller@google.com>
---
 git-submodule.sh | 31 ++++++++++++++++++++-----------
 1 file changed, 20 insertions(+), 11 deletions(-)

diff --git a/git-submodule.sh b/git-submodule.sh
index ea3260e..7f11158 100755
--- a/git-submodule.sh
+++ b/git-submodule.sh
@@ -607,6 +607,24 @@ cmd_update_recursive()
 	fi
 }
 
+cmd_update_clone()
+{
+	command="git checkout $subforce -q"
+	die_msg="$(eval_gettext "Unable to checkout '\$sha1' in submodule path '\$displaypath'")"
+	say_msg="$(eval_gettext "Submodule path '\$displaypath': checked out '\$sha1'")"
+
+	git submodule--helper clone ${GIT_QUIET:+--quiet} ${prefix:+--prefix "$prefix"} --path "$sm_path" --name "$name" --url "$url" "$reference" "$depth" || exit
+
+	if (clear_local_git_env; cd "$sm_path" && $command "$sha1")
+	then
+		say "$say_msg"
+	else
+		err="${err};$die_msg"
+		return
+	fi
+	cmd_update_recursive
+}
+
 #
 # Update each submodule path to correct revision, using clone and checkout as needed
 #
@@ -680,7 +698,6 @@ cmd_update()
 		cmd_init "--" "$@" || return
 	fi
 
-	cloned_modules=
 	git submodule--helper list --prefix "$wt_prefix" "$@" | {
 	err=
 	while read mode sha1 stage sm_path
@@ -725,9 +742,8 @@ Maybe you want to use 'update --init'?")"
 
 		if ! test -d "$sm_path"/.git && ! test -f "$sm_path"/.git
 		then
-			git submodule--helper clone ${GIT_QUIET:+--quiet} --prefix "$prefix" --path "$sm_path" --name "$name" --url "$url" "$reference" "$depth" || exit
-			cloned_modules="$cloned_modules;$name"
-			subsha1=
+			cmd_update_clone
+			continue
 		else
 			subsha1=$(clear_local_git_env; cd "$sm_path" &&
 				git rev-parse --verify HEAD) ||
@@ -767,13 +783,6 @@ Maybe you want to use 'update --init'?")"
 				die "$(eval_gettext "Unable to fetch in submodule path '\$displaypath'")"
 			fi
 
-			# Is this something we just cloned?
-			case ";$cloned_modules;" in
-			*";$name;"*)
-				# then there is no local change to integrate
-				update_module=checkout ;;
-			esac
-
 			must_die_on_failure=
 			case "$update_module" in
 			checkout)
-- 
2.5.0.272.ga84127c.dirty