static struct commit_graph_data_slab commit_graph_data_slab =
COMMIT_SLAB_INIT(1, commit_graph_data_slab);
+static int get_configured_generation_version(struct repository *r)
+{
+ int version = 2;
+ repo_config_get_int(r, "commitgraph.generationversion", &version);
+ return version;
+}
+
uint32_t commit_graph_position(const struct commit *c)
{
struct commit_graph_data *data =
pair_chunk(cf, GRAPH_CHUNKID_DATA, &graph->chunk_commit_data);
pair_chunk(cf, GRAPH_CHUNKID_EXTRAEDGES, &graph->chunk_extra_edges);
pair_chunk(cf, GRAPH_CHUNKID_BASE, &graph->chunk_base_graphs);
- pair_chunk(cf, GRAPH_CHUNKID_GENERATION_DATA,
- &graph->chunk_generation_data);
- pair_chunk(cf, GRAPH_CHUNKID_GENERATION_DATA_OVERFLOW,
- &graph->chunk_generation_data_overflow);
+
+ if (get_configured_generation_version(r) >= 2) {
+ pair_chunk(cf, GRAPH_CHUNKID_GENERATION_DATA,
+ &graph->chunk_generation_data);
+ pair_chunk(cf, GRAPH_CHUNKID_GENERATION_DATA_OVERFLOW,
+ &graph->chunk_generation_data_overflow);
+ }
if (r->settings.commit_graph_read_changed_paths) {
pair_chunk(cf, GRAPH_CHUNKID_BLOOMINDEXES,
return NULL;
count = st.st_size / (the_hash_algo->hexsz + 1);
- oids = xcalloc(count, sizeof(struct object_id));
+ CALLOC_ARRAY(oids, count);
prepare_alt_odb(r);
add_chunk(cf, GRAPH_CHUNKID_DATA, (hashsz + 16) * ctx->commits.nr,
write_graph_chunk_data);
- if (git_env_bool(GIT_TEST_COMMIT_GRAPH_NO_GDAT, 0))
- ctx->write_generation_data = 0;
if (ctx->write_generation_data)
add_chunk(cf, GRAPH_CHUNKID_GENERATION_DATA,
sizeof(uint32_t) * ctx->commits.nr,
enum commit_graph_write_flags flags,
const struct commit_graph_opts *opts)
{
+ struct repository *r = the_repository;
struct write_commit_graph_context *ctx;
uint32_t i;
int res = 0;
struct bloom_filter_settings bloom_settings = DEFAULT_BLOOM_FILTER_SETTINGS;
struct topo_level_slab topo_levels;
- prepare_repo_settings(the_repository);
- if (!the_repository->settings.core_commit_graph) {
+ prepare_repo_settings(r);
+ if (!r->settings.core_commit_graph) {
warning(_("attempting to write a commit-graph, but 'core.commitGraph' is disabled"));
return 0;
}
- if (!commit_graph_compatible(the_repository))
+ if (!commit_graph_compatible(r))
return 0;
- ctx = xcalloc(1, sizeof(struct write_commit_graph_context));
- ctx->r = the_repository;
+ CALLOC_ARRAY(ctx, 1);
+ ctx->r = r;
ctx->odb = odb;
ctx->append = flags & COMMIT_GRAPH_WRITE_APPEND ? 1 : 0;
ctx->report_progress = flags & COMMIT_GRAPH_WRITE_PROGRESS ? 1 : 0;
ctx->split = flags & COMMIT_GRAPH_WRITE_SPLIT ? 1 : 0;
ctx->opts = opts;
ctx->total_bloom_filter_data_size = 0;
- ctx->write_generation_data = 1;
+ ctx->write_generation_data = (get_configured_generation_version(r) == 2);
ctx->num_generation_data_overflows = 0;
bloom_settings.bits_per_entry = git_env_ulong("GIT_TEST_BLOOM_SETTINGS_BITS_PER_ENTRY",