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#include "test-tool.h"
#include "commit-graph.h"
#include "repository.h"
#include "object-store-ll.h"
#include "bloom.h"
#include "setup.h"
static void dump_graph_info(struct commit_graph *graph)
{
printf("header: %08x %d %d %d %d\n",
ntohl(*(uint32_t*)graph->data),
*(unsigned char*)(graph->data + 4),
*(unsigned char*)(graph->data + 5),
*(unsigned char*)(graph->data + 6),
*(unsigned char*)(graph->data + 7));
printf("num_commits: %u\n", graph->num_commits);
printf("chunks:");
if (graph->chunk_oid_fanout)
printf(" oid_fanout");
if (graph->chunk_oid_lookup)
printf(" oid_lookup");
if (graph->chunk_commit_data)
printf(" commit_metadata");
if (graph->chunk_generation_data)
printf(" generation_data");
if (graph->chunk_generation_data_overflow)
printf(" generation_data_overflow");
if (graph->chunk_extra_edges)
printf(" extra_edges");
if (graph->chunk_bloom_indexes)
printf(" bloom_indexes");
if (graph->chunk_bloom_data)
printf(" bloom_data");
printf("\n");
printf("options:");
if (graph->bloom_filter_settings)
printf(" bloom(%"PRIu32",%"PRIu32",%"PRIu32")",
graph->bloom_filter_settings->hash_version,
graph->bloom_filter_settings->bits_per_entry,
graph->bloom_filter_settings->num_hashes);
if (graph->read_generation_data)
printf(" read_generation_data");
if (graph->topo_levels)
printf(" topo_levels");
printf("\n");
}
static void dump_graph_bloom_filters(struct commit_graph *graph)
{
uint32_t i;
for (i = 0; i < graph->num_commits + graph->num_commits_in_base; i++) {
struct bloom_filter filter = { 0 };
size_t j;
if (load_bloom_filter_from_graph(graph, &filter, i) < 0) {
fprintf(stderr, "missing Bloom filter for graph "
"position %"PRIu32"\n", i);
continue;
}
for (j = 0; j < filter.len; j++)
printf("%02x", filter.data[j]);
if (filter.len)
printf("\n");
}
}
int cmd__read_graph(int argc, const char **argv)
{
struct commit_graph *graph = NULL;
struct object_directory *odb;
int ret = 0;
setup_git_directory();
odb = the_repository->objects->odb;
prepare_repo_settings(the_repository);
graph = read_commit_graph_one(the_repository, odb);
if (!graph) {
ret = 1;
goto done;
}
if (argc <= 1)
dump_graph_info(graph);
else if (!strcmp(argv[1], "bloom-filters"))
dump_graph_bloom_filters(graph);
else {
fprintf(stderr, "unknown sub-command: '%s'\n", argv[1]);
ret = 1;
}
done:
UNLEAK(graph);
return ret;
}
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