diff options
Diffstat (limited to 'third_party/git/builtin/commit-graph.c')
| -rw-r--r-- | third_party/git/builtin/commit-graph.c | 342 |
1 files changed, 0 insertions, 342 deletions
diff --git a/third_party/git/builtin/commit-graph.c b/third_party/git/builtin/commit-graph.c deleted file mode 100644 index 78fa08f43a..0000000000 --- a/third_party/git/builtin/commit-graph.c +++ /dev/null @@ -1,342 +0,0 @@ -#include "builtin.h" -#include "config.h" -#include "dir.h" -#include "lockfile.h" -#include "parse-options.h" -#include "repository.h" -#include "commit-graph.h" -#include "object-store.h" -#include "progress.h" -#include "tag.h" - -static char const * const builtin_commit_graph_usage[] = { - N_("git commit-graph verify [--object-dir <objdir>] [--shallow] [--[no-]progress]"), - N_("git commit-graph write [--object-dir <objdir>] [--append] " - "[--split[=<strategy>]] [--reachable|--stdin-packs|--stdin-commits] " - "[--changed-paths] [--[no-]max-new-filters <n>] [--[no-]progress] " - "<split options>"), - NULL -}; - -static const char * const builtin_commit_graph_verify_usage[] = { - N_("git commit-graph verify [--object-dir <objdir>] [--shallow] [--[no-]progress]"), - NULL -}; - -static const char * const builtin_commit_graph_write_usage[] = { - N_("git commit-graph write [--object-dir <objdir>] [--append] " - "[--split[=<strategy>]] [--reachable|--stdin-packs|--stdin-commits] " - "[--changed-paths] [--[no-]max-new-filters <n>] [--[no-]progress] " - "<split options>"), - 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 object_directory *find_odb(struct repository *r, - const char *obj_dir) -{ - struct object_directory *odb; - char *obj_dir_real = real_pathdup(obj_dir, 1); - struct strbuf odb_path_real = STRBUF_INIT; - - prepare_alt_odb(r); - for (odb = r->objects->odb; odb; odb = odb->next) { - strbuf_realpath(&odb_path_real, odb->path, 1); - if (!strcmp(obj_dir_real, odb_path_real.buf)) - break; - } - - free(obj_dir_real); - strbuf_release(&odb_path_real); - - if (!odb) - die(_("could not find object directory matching %s"), obj_dir); - return odb; -} - -static int graph_verify(int argc, const char **argv) -{ - struct commit_graph *graph = NULL; - struct object_directory *odb = NULL; - char *graph_name; - int open_ok; - int fd; - struct stat st; - int flags = 0; - - 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_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(), - }; - - trace2_cmd_mode("verify"); - - opts.progress = isatty(2); - 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(); - 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); - - 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; - - UNLEAK(graph); - return verify_commit_graph(the_repository, graph, flags); -} - -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(_("%s expects a numerical value"), - optname(opt, opt->flags)); - } - return 0; -} - -static int git_commit_graph_write_config(const char *var, const char *value, - void *cb) -{ - if (!strcmp(var, "commitgraph.maxnewfilters")) - write_opts.max_new_filters = git_config_int(var, value); - /* - * 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) -{ - struct string_list pack_indexes = STRING_LIST_INIT_NODUP; - 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_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_BOOL(0, "changed-paths", &opts.enable_changed_paths, - N_("enable computation for changed paths")), - OPT_BOOL(0, "progress", &opts.progress, N_("force progress reporting")), - 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_END(), - }; - - 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, 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.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; - - read_replace_refs = 0; - odb = find_odb(the_repository, opts.obj_dir); - - if (opts.reachable) { - if (write_commit_graph_reachable(odb, flags, &write_opts)) - return 1; - return 0; - } - - if (opts.stdin_packs) { - while (strbuf_getline(&buf, stdin) != EOF) - string_list_append(&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: - string_list_clear(&pack_indexes, 0); - strbuf_release(&buf); - return result; -} - -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); - - save_commit_buffer = 0; - - if (argc > 0) { - 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); -} |