git: Make submodule check only needed modules

If one is compiling more than one tree from the same source, it is
possible that they need different submodules.  Change the check to see
that all modules that we are interested in are updated, discarding the
ones that we don't care about.

Signed-off-by: Juan Quintela <quintela@redhat.com>

---

v1->v2:
patchw insists in not using modules

1 files changed, 8 insertions, 4 deletions

diff --git a/scripts/git-submodule.sh b/scripts/git-submodule.sh
index 98ca0f2737..65ed877aef 100755
--- a/scripts/git-submodule.sh
+++ b/scripts/git-submodule.sh
@@ -59,10 +59,14 @@ status)
     fi
 
     test -f "$substat" || exit 1
-    CURSTATUS=$($GIT submodule status $modules)
-    OLDSTATUS=$(cat $substat)
-    test "$CURSTATUS" = "$OLDSTATUS"
-    exit $?
+    for module in $modules; do
+        CURSTATUS=$($GIT submodule status $module)
+        OLDSTATUS=$(cat $substat | grep $module)
+        if test "$CURSTATUS" != "$OLDSTATUS"; then
+            exit 1
+        fi
+    done
+    exit 0
     ;;
 update)
     if test -z "$maybe_modules"