diff options
Diffstat (limited to 'commit-graph.c')
-rw-r--r-- | commit-graph.c | 30 |
1 files changed, 28 insertions, 2 deletions
diff --git a/commit-graph.c b/commit-graph.c index 9bc110b4bd..7034a14e5c 100644 --- a/commit-graph.c +++ b/commit-graph.c @@ -614,6 +614,21 @@ static struct commit_graph *load_commit_graph_chain(struct repository *r, return graph_chain; } +static void validate_mixed_generation_chain(struct commit_graph *g) +{ + int read_generation_data; + + if (!g) + return; + + read_generation_data = !!g->chunk_generation_data; + + while (g) { + g->read_generation_data = read_generation_data; + g = g->base_graph; + } +} + struct commit_graph *read_commit_graph_one(struct repository *r, struct object_directory *odb) { @@ -622,6 +637,8 @@ struct commit_graph *read_commit_graph_one(struct repository *r, if (!g) g = load_commit_graph_chain(r, odb); + validate_mixed_generation_chain(g); + return g; } @@ -791,7 +808,7 @@ static void fill_commit_graph_info(struct commit *item, struct commit_graph *g, date_low = get_be32(commit_data + g->hash_len + 12); item->date = (timestamp_t)((date_high << 32) | date_low); - if (g->chunk_generation_data) { + if (g->read_generation_data) { offset = (timestamp_t)get_be32(g->chunk_generation_data + sizeof(uint32_t) * lex_index); if (offset & CORRECTED_COMMIT_DATE_OFFSET_OVERFLOW) { @@ -2019,6 +2036,13 @@ static void split_graph_merge_strategy(struct write_commit_graph_context *ctx) if (i < ctx->num_commit_graphs_after) ctx->commit_graph_hash_after[i] = xstrdup(oid_to_hex(&g->oid)); + /* + * If the topmost remaining layer has generation data chunk, the + * resultant layer also has generation data chunk. + */ + if (i == ctx->num_commit_graphs_after - 2) + ctx->write_generation_data = !!g->chunk_generation_data; + i--; g = g->base_graph; } @@ -2343,6 +2367,8 @@ int write_commit_graph(struct object_directory *odb, } else ctx->num_commit_graphs_after = 1; + validate_mixed_generation_chain(ctx->r->objects->commit_graph); + compute_generation_numbers(ctx); if (ctx->changed_paths) @@ -2541,7 +2567,7 @@ int verify_commit_graph(struct repository *r, struct commit_graph *g, int flags) * also GENERATION_NUMBER_V1_MAX. Decrement to avoid extra logic * in the following condition. */ - if (!g->chunk_generation_data && max_generation == GENERATION_NUMBER_V1_MAX) + if (!g->read_generation_data && max_generation == GENERATION_NUMBER_V1_MAX) max_generation--; generation = commit_graph_generation(graph_commit); |