| #include "builtin.h" |
| #include "commit.h" |
| #include "config.h" |
| #include "environment.h" |
| #include "gettext.h" |
| #include "hex.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 "strbuf.h" |
| #include "tag.h" |
| #include "trace2.h" |
| |
| #define BUILTIN_COMMIT_GRAPH_VERIFY_USAGE \ |
| N_("git commit-graph verify [--object-dir <dir>] [--shallow] [--[no-]progress]") |
| |
| #define BUILTIN_COMMIT_GRAPH_WRITE_USAGE \ |
| N_("git commit-graph write [--object-dir <dir>] [--append]\n" \ |
| " [--split[=<strategy>]] [--reachable | --stdin-packs | --stdin-commits]\n" \ |
| " [--changed-paths] [--[no-]max-new-filters <n>] [--[no-]progress]\n" \ |
| " <split-options>") |
| |
| 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; |
| char *chain_name; |
| enum { OPENED_NONE, OPENED_GRAPH, OPENED_CHAIN } opened = OPENED_NONE; |
| int fd; |
| struct stat st; |
| int flags = 0; |
| int incomplete_chain = 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); |
| chain_name = get_commit_graph_chain_filename(odb); |
| if (open_commit_graph(graph_name, &fd, &st)) |
| opened = OPENED_GRAPH; |
| else if (errno != ENOENT) |
| die_errno(_("Could not open commit-graph '%s'"), graph_name); |
| else if (open_commit_graph_chain(chain_name, &fd, &st)) |
| opened = OPENED_CHAIN; |
| else if (errno != ENOENT) |
| die_errno(_("could not open commit-graph chain '%s'"), chain_name); |
| |
| FREE_AND_NULL(graph_name); |
| FREE_AND_NULL(chain_name); |
| FREE_AND_NULL(options); |
| |
| if (opened == OPENED_NONE) |
| return 0; |
| else if (opened == OPENED_GRAPH) |
| graph = load_commit_graph_one_fd_st(the_repository, fd, &st, odb); |
| else |
| graph = load_commit_graph_chain_fd_st(the_repository, fd, &st, |
| &incomplete_chain); |
| |
| if (!graph) |
| return 1; |
| |
| ret = verify_commit_graph(the_repository, graph, flags); |
| free_commit_graph(graph); |
| |
| if (incomplete_chain) { |
| error("one or more commit-graph chain files could not be loaded"); |
| ret |= 1; |
| } |
| |
| 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); |
| } |