[PATCH 5/7] commit-graph: read `BIDX` chunk with `pair_chunk_expect()`

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The `BIDX` chunk can benefit from the new chunk-format API function
described in the previous commit. Convert it to `pair_chunk_expect()`
accordingly.

Signed-off-by: Taylor Blau <me@xxxxxxxxxxxx>
---
 commit-graph.c | 19 +++++--------------
 1 file changed, 5 insertions(+), 14 deletions(-)

diff --git a/commit-graph.c b/commit-graph.c
index 3b456d199f..76d220508b 100644
--- a/commit-graph.c
+++ b/commit-graph.c
@@ -299,18 +299,6 @@ static int graph_read_oid_fanout(const unsigned char *chunk_start,
 	return 0;
 }
 
-static int graph_read_bloom_index(const unsigned char *chunk_start,
-				  size_t chunk_size, void *data)
-{
-	struct commit_graph *g = data;
-	if (chunk_size / 4 != g->num_commits) {
-		warning(_("commit-graph changed-path index chunk is too small"));
-		return -1;
-	}
-	g->chunk_bloom_indexes = chunk_start;
-	return 0;
-}
-
 static int graph_read_bloom_data(const unsigned char *chunk_start,
 				  size_t chunk_size, void *data)
 {
@@ -437,8 +425,11 @@ struct commit_graph *parse_commit_graph(struct repo_settings *s,
 	}
 
 	if (s->commit_graph_read_changed_paths) {
-		read_chunk(cf, GRAPH_CHUNKID_BLOOMINDEXES,
-			   graph_read_bloom_index, graph);
+		int res = pair_chunk_expect(cf, GRAPH_CHUNKID_BLOOMINDEXES,
+				      &graph->chunk_bloom_indexes,
+				      sizeof(uint32_t), graph->num_commits);
+		if (res && res != CHUNK_NOT_FOUND)
+			warning(_("commit-graph changed-path index chunk is too small"));
 		read_chunk(cf, GRAPH_CHUNKID_BLOOMDATA,
 			   graph_read_bloom_data, graph);
 	}
-- 
2.43.0.rc0.39.g44bd344727





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