diff options
Diffstat (limited to 'third_party/git/t/helper/test-read-graph.c')
| -rw-r--r-- | third_party/git/t/helper/test-read-graph.c | 53 |
1 files changed, 53 insertions, 0 deletions
diff --git a/third_party/git/t/helper/test-read-graph.c b/third_party/git/t/helper/test-read-graph.c new file mode 100644 index 0000000000..f8a461767c --- /dev/null +++ b/third_party/git/t/helper/test-read-graph.c @@ -0,0 +1,53 @@ +#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; +} |