tvl-depot/third_party/git/t/helper/test-read-graph.c
2020-05-22 17:46:45 +01:00

53 lines
1.2 KiB
C

#include "test-tool.h"
#include "cache.h"
#include "commit-graph.h"
#include "repository.h"
#include "object-store.h"
int cmd__read_graph(int argc, const char **argv)
{
struct commit_graph *graph = NULL;
char *graph_name;
int open_ok;
int fd;
struct stat st;
struct object_directory *odb;
setup_git_directory();
odb = the_repository->objects->odb;
graph_name = get_commit_graph_filename(odb);
open_ok = open_commit_graph(graph_name, &fd, &st);
if (!open_ok)
die_errno(_("Could not open commit-graph '%s'"), graph_name);
graph = load_commit_graph_one_fd_st(fd, &st, odb);
if (!graph)
return 1;
FREE_AND_NULL(graph_name);
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_extra_edges)
printf(" extra_edges");
printf("\n");
UNLEAK(graph);
return 0;
}