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[PATCH 4/7] list-objects.c: handle unexpected non-tree entries




Apply similar treatment as the previous commit for non-tree entries,
too.

Signed-off-by: Taylor Blau <me@xxxxxxxxxxxx>
---
 list-objects.c                         | 5 +++++
 t/t6102-rev-list-unexpected-objects.sh | 5 +++--
 2 files changed, 8 insertions(+), 2 deletions(-)

diff --git a/list-objects.c b/list-objects.c
index ea04bbdee6..bb7e61ef4b 100644
--- a/list-objects.c
+++ b/list-objects.c
@@ -125,6 +125,11 @@ static void process_tree_contents(struct traversal_context *ctx,
 
 		if (S_ISDIR(entry.mode)) {
 			struct tree *t = lookup_tree(ctx->revs->repo, &entry.oid);
+			if (!t) {
+				die(_("entry '%s' in tree %s has tree mode, "
+				      "but is not a tree"),
+				    entry.path, oid_to_hex(&tree->object.oid));
+			}
 			t->object.flags |= NOT_USER_GIVEN;
 			process_tree(ctx, t, base, entry.path);
 		}
diff --git a/t/t6102-rev-list-unexpected-objects.sh b/t/t6102-rev-list-unexpected-objects.sh
index 76fe9be30f..30976385a8 100755
--- a/t/t6102-rev-list-unexpected-objects.sh
+++ b/t/t6102-rev-list-unexpected-objects.sh
@@ -33,8 +33,9 @@ test_expect_failure 'traverse unexpected non-tree entry (lone)' '
 	test_must_fail git rev-list --objects $broken_tree
 '
 
-test_expect_failure 'traverse unexpected non-tree entry (seen)' '
-	test_must_fail git rev-list --objects $blob $broken_tree >output 2>&1
+test_expect_success 'traverse unexpected non-tree entry (seen)' '
+	test_must_fail git rev-list --objects $blob $broken_tree >output 2>&1 &&
+	test_i18ngrep "is not a tree" output
 '
 
 test_expect_success 'setup unexpected non-commit parent' '
-- 
2.21.0.203.g358da99528