t6032: Add a test checking for excessive output from merge

diff --git a/t/t7401-submodule-summary.sh b/t/t7401-submodule-summary.sh
index 6cc16c39fe75ee9dab942fc5ae376827d3b7ea44..294584452bbc3226e631ce0b81c546b04cd8d992 100755 (executable)
--- a/t/t7401-submodule-summary.sh
+++ b/t/t7401-submodule-summary.sh
@@ -66,10 +66,11 @@ EOF
 "
 
 commit_file sm1 &&
-cd sm1 &&
-git reset --hard HEAD~2 >/dev/null &&
-head3=$(git rev-parse --verify HEAD | cut -c1-7) &&
-cd ..
+head3=$(
+       cd sm1 &&
+       git reset --hard HEAD~2 >/dev/null &&
+       git rev-parse --verify HEAD | cut -c1-7
+)
 
 test_expect_success 'modified submodule(backward)' "
     git submodule summary >actual &&
@@ -213,7 +214,7 @@ EOF
 test_expect_success '--for-status' "
     git submodule summary --for-status HEAD^ >actual &&
     test_cmp actual - <<EOF
-# Modified submodules:
+# Submodule changes to be committed:
 #
 # * sm1 $head6...0000000:
 #
@@ -227,4 +228,11 @@ test_expect_success 'fail when using --files together with --cached' "
     test_must_fail git submodule summary --files --cached
 "
 
+test_expect_success 'should not fail in an empty repo' "
+    git init xyzzy &&
+    cd xyzzy &&
+    git submodule summary >output 2>&1 &&
+    test_cmp output /dev/null
+"
+
 test_done