[PATCH v3 14/20] commit-graph: verify commit date

[Derrick Stolee]

Signed-off-by: Derrick Stolee <dsto...@microsoft.com>
---
 commit-graph.c          | 6 ++++++
 t/t5318-commit-graph.sh | 6 ++++++
 2 files changed, 12 insertions(+)

diff --git a/commit-graph.c b/commit-graph.c
index ead92460c1..d2b291aca2 100644
--- a/commit-graph.c
+++ b/commit-graph.c
@@ -981,6 +981,12 @@ int verify_commit_graph(struct commit_graph *g)
                                     oid_to_hex(&cur_oid),
                                     graph_commit->generation,
                                     max_generation + 1);
+
+               if (graph_commit->date != odb_commit->date)
+                       graph_report("commit date for commit %s in commit-graph 
is %"PRItime" != %"PRItime,
+                                    oid_to_hex(&cur_oid),
+                                    graph_commit->date,
+                                    odb_commit->date);
        }
 
        return verify_commit_graph_error;
diff --git a/t/t5318-commit-graph.sh b/t/t5318-commit-graph.sh
index 673b0d37d5..58adb8246d 100755
--- a/t/t5318-commit-graph.sh
+++ b/t/t5318-commit-graph.sh
@@ -273,6 +273,7 @@ GRAPH_BYTE_COMMIT_PARENT=`expr $GRAPH_COMMIT_DATA_OFFSET + 
$HASH_LEN`
 GRAPH_BYTE_COMMIT_EXTRA_PARENT=`expr $GRAPH_COMMIT_DATA_OFFSET + $HASH_LEN + 4`
 GRAPH_BYTE_COMMIT_WRONG_PARENT=`expr $GRAPH_COMMIT_DATA_OFFSET + $HASH_LEN + 3`
 GRAPH_BYTE_COMMIT_GENERATION=`expr $GRAPH_COMMIT_DATA_OFFSET + $HASH_LEN + 8`
+GRAPH_BYTE_COMMIT_DATE=`expr $GRAPH_COMMIT_DATA_OFFSET + $HASH_LEN + 12`
 
 # usage: corrupt_graph_and_verify <position> <data> <string>
 # Manipulates the commit-graph file at the position
@@ -372,4 +373,9 @@ test_expect_success 'detect incorrect generation number' '
                "generation"
 '
 
+test_expect_success 'detect incorrect commit date' '
+       corrupt_graph_and_verify $GRAPH_BYTE_COMMIT_DATE "\01" \
+               "commit date"
+'
+
 test_done
-- 
2.16.2.329.gfb62395de6