--- /dev/null
+#!/bin/sh
+#
+# Copyright (c) 2008 David Aguilar
+#
+
+test_description='git submodule sync
+
+These tests exercise the "git submodule sync" subcommand.
+'
+
+. ./test-lib.sh
+
+test_expect_success setup '
+ echo file > file &&
+ git add file &&
+ test_tick &&
+ git commit -m upstream
+ git clone . super &&
+ git clone super submodule &&
+ (cd super &&
+ git submodule add ../submodule submodule &&
+ test_tick &&
+ git commit -m "submodule"
+ ) &&
+ git clone super super-clone &&
+ (cd super-clone && git submodule update --init)
+'
+
+test_expect_success 'change submodule' '
+ (cd submodule &&
+ echo second line >> file &&
+ test_tick &&
+ git commit -a -m "change submodule"
+ )
+'
+
+test_expect_success 'change submodule url' '
+ (cd super &&
+ cd submodule &&
+ git checkout master &&
+ git pull
+ ) &&
+ mv submodule moved-submodule &&
+ (cd super &&
+ git config -f .gitmodules submodule.submodule.url ../moved-submodule
+ test_tick &&
+ git commit -a -m moved-submodule
+ )
+'
+
+test_expect_success '"git submodule sync" should update submodule URLs' '
+ (cd super-clone &&
+ git pull &&
+ git submodule sync
+ ) &&
+ test -d "$(git config -f super-clone/submodule/.git/config \
+ remote.origin.url)" &&
+ (cd super-clone/submodule &&
+ git checkout master &&
+ git pull
+ )
+'
+
+test_done