The commit-graph file has an extra chunk to store the parent int-ids for parents beyond the first parent for octopus merges. Our test repo has a single octopus merge that we can manipulate to demonstrate the 'verify' subcommand detects incorrect values in that chunk. Signed-off-by: Derrick Stolee <dstolee@xxxxxxxxxxxxx> --- t/t5318-commit-graph.sh | 10 ++++++++++ 1 file changed, 10 insertions(+) diff --git a/t/t5318-commit-graph.sh b/t/t5318-commit-graph.sh index 58adb8246d..240aef6add 100755 --- a/t/t5318-commit-graph.sh +++ b/t/t5318-commit-graph.sh @@ -248,6 +248,7 @@ test_expect_success 'git commit-graph verify' ' ' NUM_COMMITS=9 +NUM_OCTOPUS_EDGES=2 HASH_LEN=20 GRAPH_BYTE_VERSION=4 GRAPH_BYTE_HASH=5 @@ -274,6 +275,10 @@ 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` +GRAPH_COMMIT_DATA_WIDTH=`expr $HASH_LEN + 16` +GRAPH_OCTOPUS_DATA_OFFSET=`expr $GRAPH_COMMIT_DATA_OFFSET + \ + $GRAPH_COMMIT_DATA_WIDTH \* $NUM_COMMITS` +GRAPH_BYTE_OCTOPUS=`expr $GRAPH_OCTOPUS_DATA_OFFSET + 4` # usage: corrupt_graph_and_verify <position> <data> <string> # Manipulates the commit-graph file at the position @@ -378,4 +383,9 @@ test_expect_success 'detect incorrect commit date' ' "commit date" ' +test_expect_success 'detect incorrect parent for octopus merge' ' + corrupt_graph_and_verify $GRAPH_BYTE_OCTOPUS "\01" \ + "invalid parent" +' + test_done -- 2.16.2.329.gfb62395de6
