list-objects.c: handle unexpected non-tree entries

diff --git a/t/t1511-rev-parse-caret.sh b/t/t1511-rev-parse-caret.sh
index 15973f20945769fd7661cd4b203e96032495a60e..e0a49a651fdd3b3f7d9e0f24e00439c9642f896c 100755 (executable)
--- a/t/t1511-rev-parse-caret.sh
+++ b/t/t1511-rev-parse-caret.sh
@@ -6,11 +6,11 @@ test_description='tests for ref^{stuff}'
 
 test_expect_success 'setup' '
        echo blob >a-blob &&
-       git tag -a -m blob blob-tag `git hash-object -w a-blob` &&
+       git tag -a -m blob blob-tag $(git hash-object -w a-blob) &&
        mkdir a-tree &&
        echo moreblobs >a-tree/another-blob &&
        git add . &&
-       TREE_SHA1=`git write-tree` &&
+       TREE_SHA1=$(git write-tree) &&
        git tag -a -m tree tree-tag "$TREE_SHA1" &&
        git commit -m Initial &&
        git tag -a -m commit commit-tag &&
@@ -18,7 +18,18 @@ test_expect_success 'setup' '
        git checkout master &&
        echo modified >>a-blob &&
        git add -u &&
-       git commit -m Modified
+       git commit -m Modified &&
+       git branch modref &&
+       echo changed! >>a-blob &&
+       git add -u &&
+       git commit -m !Exp &&
+       git branch expref &&
+       echo changed >>a-blob &&
+       git add -u &&
+       git commit -m Changed &&
+       echo changed-again >>a-blob &&
+       git add -u &&
+       git commit -m Changed-again
 '
 
 test_expect_success 'ref^{non-existent}' '
@@ -77,4 +88,44 @@ test_expect_success 'ref^{/Initial}' '
        test_cmp expected actual
 '
 
+test_expect_success 'ref^{/!Exp}' '
+       test_must_fail git rev-parse master^{/!Exp}
+'
+
+test_expect_success 'ref^{/!}' '
+       test_must_fail git rev-parse master^{/!}
+'
+
+test_expect_success 'ref^{/!!Exp}' '
+       git rev-parse expref >expected &&
+       git rev-parse master^{/!!Exp} >actual &&
+       test_cmp expected actual
+'
+
+test_expect_success 'ref^{/!-}' '
+       test_must_fail git rev-parse master^{/!-}
+'
+
+test_expect_success 'ref^{/!-.}' '
+       test_must_fail git rev-parse master^{/!-.}
+'
+
+test_expect_success 'ref^{/!-non-existent}' '
+       git rev-parse master >expected &&
+       git rev-parse master^{/!-non-existent} >actual &&
+       test_cmp expected actual
+'
+
+test_expect_success 'ref^{/!-Changed}' '
+       git rev-parse expref >expected &&
+       git rev-parse master^{/!-Changed} >actual &&
+       test_cmp expected actual
+'
+
+test_expect_success 'ref^{/!-!Exp}' '
+       git rev-parse modref >expected &&
+       git rev-parse expref^{/!-!Exp} >actual &&
+       test_cmp expected actual
+'
+
 test_done