In the 'verify' subcommand, load commits directly from the object
database to ensure they exist. Parse by skipping the commit-graph.
Signed-off-by: Derrick Stolee <dstolee@xxxxxxxxxxxxx>
---
commit-graph.c | 20 ++++++++++++++++++++
t/t5318-commit-graph.sh | 7 +++++++
2 files changed, 27 insertions(+)
diff --git a/commit-graph.c b/commit-graph.c
index cbd1aae514..0420ebcd87 100644
--- a/commit-graph.c
+++ b/commit-graph.c
@@ -238,6 +238,10 @@ static struct commit_list **insert_parent_or_die(struct commit_graph *g,
{
struct commit *c;
struct object_id oid;
+
+ if (pos >= g->num_commits)
+ die("invalid parent position %"PRIu64, pos);
+
hashcpy(oid.hash, g->chunk_oid_lookup + g->hash_len * pos);
c = lookup_commit(&oid);
if (!c)
@@ -905,5 +909,21 @@ int verify_commit_graph(struct commit_graph *g)
cur_fanout_pos++;
}
+ if (verify_commit_graph_error)
+ return verify_commit_graph_error;
+
+ for (i = 0; i < g->num_commits; i++) {
+ struct commit *odb_commit;
+
+ hashcpy(cur_oid.hash, g->chunk_oid_lookup + g->hash_len * i);
+
+ odb_commit = (struct commit *)create_object(cur_oid.hash, alloc_commit_node());
+ if (parse_commit_internal(odb_commit, 0, 0)) {
+ graph_report("failed to parse %s from object database",
+ oid_to_hex(&cur_oid));
+ continue;
+ }
+ }
+
return verify_commit_graph_error;
}
diff --git a/t/t5318-commit-graph.sh b/t/t5318-commit-graph.sh
index c050ef980b..996a016239 100755
--- a/t/t5318-commit-graph.sh
+++ b/t/t5318-commit-graph.sh
@@ -247,6 +247,7 @@ test_expect_success 'git commit-graph verify' '
git commit-graph verify >output
'
+NUM_COMMITS=9
HASH_LEN=20
GRAPH_BYTE_VERSION=4
GRAPH_BYTE_HASH=5
@@ -265,6 +266,7 @@ GRAPH_BYTE_FANOUT1=`expr $GRAPH_FANOUT_OFFSET + 4 \* 4`
GRAPH_BYTE_FANOUT2=`expr $GRAPH_FANOUT_OFFSET + 4 \* 255`
GRAPH_OID_LOOKUP_OFFSET=`expr $GRAPH_FANOUT_OFFSET + 4 \* 256`
GRAPH_BYTE_OID_LOOKUP_ORDER=`expr $GRAPH_OID_LOOKUP_OFFSET + $HASH_LEN \* 8`
+GRAPH_BYTE_OID_LOOKUP_MISSING=`expr $GRAPH_OID_LOOKUP_OFFSET + $HASH_LEN \* 4 + 10`
# usage: corrupt_graph_and_verify <position> <data> <string>
# Manipulates the commit-graph file at the position
@@ -334,4 +336,9 @@ test_expect_success 'detect incorrect OID order' '
"incorrect OID order"
'
+test_expect_success 'detect OID not in object database' '
+ corrupt_graph_and_verify $GRAPH_BYTE_OID_LOOKUP_MISSING "\01" \
+ "from object database"
+'
+
test_done
--
2.16.2.329.gfb62395de6
