t/t7006: ignore return status of shell's unset builtin

diff --git a/t/t4041-diff-submodule.sh b/t/t4041-diff-submodule.sh
index 464305405ac715411b9cc5faabf55d116f0c6ec7..019acb926d6765bf24e1dfe4bea2a9dba28ca797 100755 (executable)
--- a/t/t4041-diff-submodule.sh
+++ b/t/t4041-diff-submodule.sh
@@ -201,7 +201,7 @@ test_expect_success 'submodule contains untracked content' "
        echo new > sm1/new-file &&
        git diff-index -p --submodule=log HEAD >actual &&
        diff actual - <<-EOF
-Submodule sm1 $head6..$head6-dirty:
+Submodule sm1 contains untracked content
 EOF
 "
 
@@ -209,7 +209,8 @@ test_expect_success 'submodule contains untracked and modifed content' "
        echo new > sm1/foo6 &&
        git diff-index -p --submodule=log HEAD >actual &&
        diff actual - <<-EOF
-Submodule sm1 $head6..$head6-dirty:
+Submodule sm1 contains untracked content
+Submodule sm1 contains modified content
 EOF
 "
 
@@ -217,7 +218,7 @@ test_expect_success 'submodule contains modifed content' "
        rm -f sm1/new-file &&
        git diff-index -p --submodule=log HEAD >actual &&
        diff actual - <<-EOF
-Submodule sm1 $head6..$head6-dirty:
+Submodule sm1 contains modified content
 EOF
 "
 
@@ -235,7 +236,8 @@ test_expect_success 'modified submodule contains untracked content' "
        echo new > sm1/new-file &&
        git diff-index -p --submodule=log HEAD >actual &&
        diff actual - <<-EOF
-Submodule sm1 $head6..$head8-dirty:
+Submodule sm1 contains untracked content
+Submodule sm1 $head6..$head8:
   > change
 EOF
 "
@@ -244,7 +246,9 @@ test_expect_success 'modified submodule contains untracked and modifed content'
        echo modification >> sm1/foo6 &&
        git diff-index -p --submodule=log HEAD >actual &&
        diff actual - <<-EOF
-Submodule sm1 $head6..$head8-dirty:
+Submodule sm1 contains untracked content
+Submodule sm1 contains modified content
+Submodule sm1 $head6..$head8:
   > change
 EOF
 "
@@ -253,7 +257,8 @@ test_expect_success 'modified submodule contains modifed content' "
        rm -f sm1/new-file &&
        git diff-index -p --submodule=log HEAD >actual &&
        diff actual - <<-EOF
-Submodule sm1 $head6..$head8-dirty:
+Submodule sm1 contains modified content
+Submodule sm1 $head6..$head8:
   > change
 EOF
 "
@@ -324,4 +329,19 @@ index 0000000..$head7
 EOF
 "
 
+test_expect_success 'setup .git file for sm2' '
+       (cd sm2 &&
+        REAL="$(pwd)/../.real" &&
+        mv .git "$REAL"
+        echo "gitdir: $REAL" >.git)
+'
+
+test_expect_success 'diff --submodule with .git file' '
+       git diff --submodule HEAD^ >actual &&
+       diff actual - <<-EOF
+Submodule sm1 $head6...0000000 (submodule deleted)
+Submodule sm2 0000000...$head7 (new submodule)
+EOF
+'
+
 test_done