#include "builtin.h" #include "commit.h" #include "config.h" #include "dir.h" #include "environment.h" #include "gettext.h" #include "hex.h" #include "lockfile.h" #include "parse-options.h" #include "repository.h" #include "commit-graph.h" #include "object-store-ll.h" #include "progress.h" #include "replace-object.h" #include "tag.h" #include "trace2.h" #define BUILTIN_COMMIT_GRAPH_VERIFY_USAGE \ N_("git commit-graph verify [--object-dir ] [--shallow] [--[no-]progress]") #define BUILTIN_COMMIT_GRAPH_WRITE_USAGE \ N_("git commit-graph write [--object-dir ] [--append]\n" \ " [--split[=]] [--reachable | --stdin-packs | --stdin-commits]\n" \ " [--changed-paths] [--[no-]max-new-filters ] [--[no-]progress]\n" \ " ") static const char * builtin_commit_graph_verify_usage[] = { BUILTIN_COMMIT_GRAPH_VERIFY_USAGE, NULL }; static const char * builtin_commit_graph_write_usage[] = { BUILTIN_COMMIT_GRAPH_WRITE_USAGE, NULL }; static char const * const builtin_commit_graph_usage[] = { BUILTIN_COMMIT_GRAPH_VERIFY_USAGE, BUILTIN_COMMIT_GRAPH_WRITE_USAGE, NULL, }; static struct opts_commit_graph { const char *obj_dir; int reachable; int stdin_packs; int stdin_commits; int append; int split; int shallow; int progress; int enable_changed_paths; } opts; static struct option common_opts[] = { OPT_STRING(0, "object-dir", &opts.obj_dir, N_("dir"), N_("the object directory to store the graph")), OPT_END() }; static struct option *add_common_options(struct option *to) { return parse_options_concat(common_opts, to); } static int graph_verify(int argc, const char **argv, const char *prefix) { struct commit_graph *graph = NULL; struct object_directory *odb = NULL; char *graph_name; int open_ok; int fd; struct stat st; int flags = 0; int ret; static struct option builtin_commit_graph_verify_options[] = { OPT_BOOL(0, "shallow", &opts.shallow, N_("if the commit-graph is split, only verify the tip file")), OPT_BOOL(0, "progress", &opts.progress, N_("force progress reporting")), OPT_END(), }; struct option *options = add_common_options(builtin_commit_graph_verify_options); trace2_cmd_mode("verify"); opts.progress = isatty(2); argc = parse_options(argc, argv, prefix, options, builtin_commit_graph_verify_usage, 0); if (argc) usage_with_options(builtin_commit_graph_verify_usage, options); if (!opts.obj_dir) opts.obj_dir = get_object_directory(); if (opts.shallow) flags |= COMMIT_GRAPH_VERIFY_SHALLOW; if (opts.progress) flags |= COMMIT_GRAPH_WRITE_PROGRESS; odb = find_odb(the_repository, opts.obj_dir); graph_name = get_commit_graph_filename(odb); open_ok = open_commit_graph(graph_name, &fd, &st); if (!open_ok && errno != ENOENT) die_errno(_("Could not open commit-graph '%s'"), graph_name); FREE_AND_NULL(graph_name); FREE_AND_NULL(options); if (open_ok) graph = load_commit_graph_one_fd_st(the_repository, fd, &st, odb); else graph = read_commit_graph_one(the_repository, odb); /* Return failure if open_ok predicted success */ if (!graph) return !!open_ok; ret = verify_commit_graph(the_repository, graph, flags); free_commit_graph(graph); return ret; } extern int read_replace_refs; static struct commit_graph_opts write_opts; static int write_option_parse_split(const struct option *opt, const char *arg, int unset) { enum commit_graph_split_flags *flags = opt->value; BUG_ON_OPT_NEG(unset); opts.split = 1; if (!arg) return 0; if (!strcmp(arg, "no-merge")) *flags = COMMIT_GRAPH_SPLIT_MERGE_PROHIBITED; else if (!strcmp(arg, "replace")) *flags = COMMIT_GRAPH_SPLIT_REPLACE; else die(_("unrecognized --split argument, %s"), arg); return 0; } static int read_one_commit(struct oidset *commits, struct progress *progress, const char *hash) { struct object *result; struct object_id oid; const char *end; if (parse_oid_hex(hash, &oid, &end)) return error(_("unexpected non-hex object ID: %s"), hash); result = deref_tag(the_repository, parse_object(the_repository, &oid), NULL, 0); if (!result) return error(_("invalid object: %s"), hash); else if (object_as_type(result, OBJ_COMMIT, 1)) oidset_insert(commits, &result->oid); display_progress(progress, oidset_size(commits)); return 0; } static int write_option_max_new_filters(const struct option *opt, const char *arg, int unset) { int *to = opt->value; if (unset) *to = -1; else { const char *s; *to = strtol(arg, (char **)&s, 10); if (*s) return error(_("option `%s' expects a numerical value"), "max-new-filters"); } return 0; } static int git_commit_graph_write_config(const char *var, const char *value, const struct config_context *ctx, void *cb UNUSED) { if (!strcmp(var, "commitgraph.maxnewfilters")) write_opts.max_new_filters = git_config_int(var, value, ctx->kvi); /* * No need to fall-back to 'git_default_config', since this was already * called in 'cmd_commit_graph()'. */ return 0; } static int graph_write(int argc, const char **argv, const char *prefix) { struct string_list pack_indexes = STRING_LIST_INIT_DUP; struct strbuf buf = STRBUF_INIT; struct oidset commits = OIDSET_INIT; struct object_directory *odb = NULL; int result = 0; enum commit_graph_write_flags flags = 0; struct progress *progress = NULL; static struct option builtin_commit_graph_write_options[] = { 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_BOOL(0, "changed-paths", &opts.enable_changed_paths, N_("enable computation for changed paths")), OPT_CALLBACK_F(0, "split", &write_opts.split_flags, NULL, N_("allow writing an incremental commit-graph file"), PARSE_OPT_OPTARG | PARSE_OPT_NONEG, write_option_parse_split), OPT_INTEGER(0, "max-commits", &write_opts.max_commits, N_("maximum number of commits in a non-base split commit-graph")), OPT_INTEGER(0, "size-multiple", &write_opts.size_multiple, N_("maximum ratio between two levels of a split commit-graph")), OPT_EXPIRY_DATE(0, "expire-time", &write_opts.expire_time, N_("only expire files older than a given date-time")), OPT_CALLBACK_F(0, "max-new-filters", &write_opts.max_new_filters, NULL, N_("maximum number of changed-path Bloom filters to compute"), 0, write_option_max_new_filters), OPT_BOOL(0, "progress", &opts.progress, N_("force progress reporting")), OPT_END(), }; struct option *options = add_common_options(builtin_commit_graph_write_options); opts.progress = isatty(2); opts.enable_changed_paths = -1; write_opts.size_multiple = 2; write_opts.max_commits = 0; write_opts.expire_time = 0; write_opts.max_new_filters = -1; trace2_cmd_mode("write"); git_config(git_commit_graph_write_config, &opts); argc = parse_options(argc, argv, prefix, options, builtin_commit_graph_write_usage, 0); if (argc) usage_with_options(builtin_commit_graph_write_usage, options); 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.append) flags |= COMMIT_GRAPH_WRITE_APPEND; if (opts.split) flags |= COMMIT_GRAPH_WRITE_SPLIT; if (opts.progress) flags |= COMMIT_GRAPH_WRITE_PROGRESS; if (!opts.enable_changed_paths) flags |= COMMIT_GRAPH_NO_WRITE_BLOOM_FILTERS; if (opts.enable_changed_paths == 1 || git_env_bool(GIT_TEST_COMMIT_GRAPH_CHANGED_PATHS, 0)) flags |= COMMIT_GRAPH_WRITE_BLOOM_FILTERS; odb = find_odb(the_repository, opts.obj_dir); if (opts.reachable) { if (write_commit_graph_reachable(odb, flags, &write_opts)) result = 1; goto cleanup; } if (opts.stdin_packs) { while (strbuf_getline(&buf, stdin) != EOF) string_list_append_nodup(&pack_indexes, strbuf_detach(&buf, NULL)); } else if (opts.stdin_commits) { oidset_init(&commits, 0); if (opts.progress) progress = start_delayed_progress( _("Collecting commits from input"), 0); while (strbuf_getline(&buf, stdin) != EOF) { if (read_one_commit(&commits, progress, buf.buf)) { result = 1; goto cleanup; } } stop_progress(&progress); } if (write_commit_graph(odb, opts.stdin_packs ? &pack_indexes : NULL, opts.stdin_commits ? &commits : NULL, flags, &write_opts)) result = 1; cleanup: FREE_AND_NULL(options); string_list_clear(&pack_indexes, 0); strbuf_release(&buf); oidset_clear(&commits); return result; } int cmd_commit_graph(int argc, const char **argv, const char *prefix) { parse_opt_subcommand_fn *fn = NULL; struct option builtin_commit_graph_options[] = { OPT_SUBCOMMAND("verify", &fn, graph_verify), OPT_SUBCOMMAND("write", &fn, graph_write), OPT_END(), }; struct option *options = parse_options_concat(builtin_commit_graph_options, common_opts); git_config(git_default_config, NULL); disable_replace_refs(); save_commit_buffer = 0; argc = parse_options(argc, argv, prefix, options, builtin_commit_graph_usage, 0); FREE_AND_NULL(options); return fn(argc, argv, prefix); }