#include "builtin.h" #include "config.h" #include "dir.h" #include "lockfile.h" #include "parse-options.h" #include "repository.h" #include "commit-graph.h" static char const * const builtin_commit_graph_usage[] = { N_("git commit-graph [--object-dir ]"), N_("git commit-graph read [--object-dir ]"), N_("git commit-graph verify [--object-dir ]"), N_("git commit-graph write [--object-dir ] [--append] [--reachable|--stdin-packs|--stdin-commits]"), NULL }; static const char * const builtin_commit_graph_verify_usage[] = { N_("git commit-graph verify [--object-dir ]"), NULL }; static const char * const builtin_commit_graph_read_usage[] = { N_("git commit-graph read [--object-dir ]"), NULL }; static const char * const builtin_commit_graph_write_usage[] = { N_("git commit-graph write [--object-dir ] [--append] [--reachable|--stdin-packs|--stdin-commits]"), NULL }; static struct opts_commit_graph { const char *obj_dir; int reachable; int stdin_packs; int stdin_commits; int append; } opts; static int graph_verify(int argc, const char **argv) { struct commit_graph *graph = NULL; char *graph_name; static struct option builtin_commit_graph_verify_options[] = { OPT_STRING(0, "object-dir", &opts.obj_dir, N_("dir"), N_("The object directory to store the graph")), OPT_END(), }; argc = parse_options(argc, argv, NULL, builtin_commit_graph_verify_options, builtin_commit_graph_verify_usage, 0); if (!opts.obj_dir) opts.obj_dir = get_object_directory(); graph_name = get_commit_graph_filename(opts.obj_dir); graph = load_commit_graph_one(graph_name); FREE_AND_NULL(graph_name); if (!graph) return 0; return verify_commit_graph(the_repository, graph); } static int graph_read(int argc, const char **argv) { struct commit_graph *graph = NULL; char *graph_name; static struct option builtin_commit_graph_read_options[] = { OPT_STRING(0, "object-dir", &opts.obj_dir, N_("dir"), N_("The object directory to store the graph")), OPT_END(), }; argc = parse_options(argc, argv, NULL, builtin_commit_graph_read_options, builtin_commit_graph_read_usage, 0); if (!opts.obj_dir) opts.obj_dir = get_object_directory(); graph_name = get_commit_graph_filename(opts.obj_dir); graph = load_commit_graph_one(graph_name); if (!graph) { UNLEAK(graph_name); die("graph file %s does not exist", graph_name); } 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_large_edges) printf(" large_edges"); printf("\n"); free_commit_graph(graph); return 0; } static int graph_write(int argc, const char **argv) { struct string_list *pack_indexes = NULL; struct string_list *commit_hex = NULL; struct string_list lines; static struct option builtin_commit_graph_write_options[] = { OPT_STRING(0, "object-dir", &opts.obj_dir, N_("dir"), N_("The object directory to store the graph")), OPT_BOOL(0, "reachable", &opts.reachable, N_("start walk at all refs")), OPT_BOOL(0, "stdin-packs", &opts.stdin_packs, N_("scan pack-indexes listed by stdin for commits")), OPT_BOOL(0, "stdin-commits", &opts.stdin_commits, N_("start walk at commits listed by stdin")), OPT_BOOL(0, "append", &opts.append, N_("include all commits already in the commit-graph file")), OPT_END(), }; argc = parse_options(argc, argv, NULL, builtin_commit_graph_write_options, builtin_commit_graph_write_usage, 0); if (opts.reachable + opts.stdin_packs + opts.stdin_commits > 1) die(_("use at most one of --reachable, --stdin-commits, or --stdin-packs")); if (!opts.obj_dir) opts.obj_dir = get_object_directory(); if (opts.reachable) { write_commit_graph_reachable(opts.obj_dir, opts.append, 1); return 0; } string_list_init(&lines, 0); if (opts.stdin_packs || opts.stdin_commits) { struct strbuf buf = STRBUF_INIT; while (strbuf_getline(&buf, stdin) != EOF) string_list_append(&lines, strbuf_detach(&buf, NULL)); if (opts.stdin_packs) pack_indexes = &lines; if (opts.stdin_commits) commit_hex = &lines; } write_commit_graph(opts.obj_dir, pack_indexes, commit_hex, opts.append, 1); string_list_clear(&lines, 0); return 0; } int cmd_commit_graph(int argc, const char **argv, const char *prefix) { static struct option builtin_commit_graph_options[] = { OPT_STRING(0, "object-dir", &opts.obj_dir, N_("dir"), N_("The object directory to store the graph")), OPT_END(), }; if (argc == 2 && !strcmp(argv[1], "-h")) usage_with_options(builtin_commit_graph_usage, builtin_commit_graph_options); git_config(git_default_config, NULL); argc = parse_options(argc, argv, prefix, builtin_commit_graph_options, builtin_commit_graph_usage, PARSE_OPT_STOP_AT_NON_OPTION); if (argc > 0) { if (!strcmp(argv[0], "read")) return graph_read(argc, argv); if (!strcmp(argv[0], "verify")) return graph_verify(argc, argv); if (!strcmp(argv[0], "write")) return graph_write(argc, argv); } usage_with_options(builtin_commit_graph_usage, builtin_commit_graph_options); }