| #define USE_THE_INDEX_COMPATIBILITY_MACROS |
| #include "builtin.h" |
| #include "cache.h" |
| #include "repository.h" |
| #include "config.h" |
| #include "commit.h" |
| #include "tree.h" |
| #include "blob.h" |
| #include "tag.h" |
| #include "refs.h" |
| #include "pack.h" |
| #include "cache-tree.h" |
| #include "tree-walk.h" |
| #include "fsck.h" |
| #include "parse-options.h" |
| #include "dir.h" |
| #include "progress.h" |
| #include "streaming.h" |
| #include "decorate.h" |
| #include "packfile.h" |
| #include "object-store.h" |
| #include "run-command.h" |
| #include "worktree.h" |
| |
| #define REACHABLE 0x0001 |
| #define SEEN 0x0002 |
| #define HAS_OBJ 0x0004 |
| /* This flag is set if something points to this object. */ |
| #define USED 0x0008 |
| |
| static int show_root; |
| static int show_tags; |
| static int show_unreachable; |
| static int include_reflogs = 1; |
| static int check_full = 1; |
| static int connectivity_only; |
| static int check_strict; |
| static int keep_cache_objects; |
| static struct fsck_options fsck_walk_options = FSCK_OPTIONS_DEFAULT; |
| static struct fsck_options fsck_obj_options = FSCK_OPTIONS_DEFAULT; |
| static int errors_found; |
| static int write_lost_and_found; |
| static int verbose; |
| static int show_progress = -1; |
| static int show_dangling = 1; |
| static int name_objects; |
| #define ERROR_OBJECT 01 |
| #define ERROR_REACHABLE 02 |
| #define ERROR_PACK 04 |
| #define ERROR_REFS 010 |
| #define ERROR_COMMIT_GRAPH 020 |
| #define ERROR_MULTI_PACK_INDEX 040 |
| |
| static const char *describe_object(const struct object_id *oid) |
| { |
| return fsck_describe_object(&fsck_walk_options, oid); |
| } |
| |
| static const char *printable_type(const struct object_id *oid, |
| enum object_type type) |
| { |
| const char *ret; |
| |
| if (type == OBJ_NONE) |
| type = oid_object_info(the_repository, oid, NULL); |
| |
| ret = type_name(type); |
| if (!ret) |
| ret = _("unknown"); |
| |
| return ret; |
| } |
| |
| static int fsck_config(const char *var, const char *value, void *cb) |
| { |
| if (strcmp(var, "fsck.skiplist") == 0) { |
| const char *path; |
| struct strbuf sb = STRBUF_INIT; |
| |
| if (git_config_pathname(&path, var, value)) |
| return 1; |
| strbuf_addf(&sb, "skiplist=%s", path); |
| free((char *)path); |
| fsck_set_msg_types(&fsck_obj_options, sb.buf); |
| strbuf_release(&sb); |
| return 0; |
| } |
| |
| if (skip_prefix(var, "fsck.", &var)) { |
| fsck_set_msg_type(&fsck_obj_options, var, value); |
| return 0; |
| } |
| |
| return git_default_config(var, value, cb); |
| } |
| |
| static int objerror(struct object *obj, const char *err) |
| { |
| errors_found |= ERROR_OBJECT; |
| /* TRANSLATORS: e.g. error in tree 01bfda: <more explanation> */ |
| fprintf_ln(stderr, _("error in %s %s: %s"), |
| printable_type(&obj->oid, obj->type), |
| describe_object(&obj->oid), err); |
| return -1; |
| } |
| |
| static int fsck_error_func(struct fsck_options *o, |
| const struct object_id *oid, |
| enum object_type object_type, |
| int msg_type, const char *message) |
| { |
| switch (msg_type) { |
| case FSCK_WARN: |
| /* TRANSLATORS: e.g. warning in tree 01bfda: <more explanation> */ |
| fprintf_ln(stderr, _("warning in %s %s: %s"), |
| printable_type(oid, object_type), |
| describe_object(oid), message); |
| return 0; |
| case FSCK_ERROR: |
| /* TRANSLATORS: e.g. error in tree 01bfda: <more explanation> */ |
| fprintf_ln(stderr, _("error in %s %s: %s"), |
| printable_type(oid, object_type), |
| describe_object(oid), message); |
| return 1; |
| default: |
| BUG("%d (FSCK_IGNORE?) should never trigger this callback", |
| msg_type); |
| } |
| } |
| |
| static struct object_array pending; |
| |
| static int mark_object(struct object *obj, int type, void *data, struct fsck_options *options) |
| { |
| struct object *parent = data; |
| |
| /* |
| * The only case data is NULL or type is OBJ_ANY is when |
| * mark_object_reachable() calls us. All the callers of |
| * that function has non-NULL obj hence ... |
| */ |
| if (!obj) { |
| /* ... these references to parent->fld are safe here */ |
| printf_ln(_("broken link from %7s %s"), |
| printable_type(&parent->oid, parent->type), |
| describe_object(&parent->oid)); |
| printf_ln(_("broken link from %7s %s"), |
| (type == OBJ_ANY ? _("unknown") : type_name(type)), |
| _("unknown")); |
| errors_found |= ERROR_REACHABLE; |
| return 1; |
| } |
| |
| if (type != OBJ_ANY && obj->type != type) |
| /* ... and the reference to parent is safe here */ |
| objerror(parent, _("wrong object type in link")); |
| |
| if (obj->flags & REACHABLE) |
| return 0; |
| obj->flags |= REACHABLE; |
| |
| if (is_promisor_object(&obj->oid)) |
| /* |
| * Further recursion does not need to be performed on this |
| * object since it is a promisor object (so it does not need to |
| * be added to "pending"). |
| */ |
| return 0; |
| |
| if (!(obj->flags & HAS_OBJ)) { |
| if (parent && !has_object_file(&obj->oid)) { |
| printf_ln(_("broken link from %7s %s\n" |
| " to %7s %s"), |
| printable_type(&parent->oid, parent->type), |
| describe_object(&parent->oid), |
| printable_type(&obj->oid, obj->type), |
| describe_object(&obj->oid)); |
| errors_found |= ERROR_REACHABLE; |
| } |
| return 1; |
| } |
| |
| add_object_array(obj, NULL, &pending); |
| return 0; |
| } |
| |
| static void mark_object_reachable(struct object *obj) |
| { |
| mark_object(obj, OBJ_ANY, NULL, NULL); |
| } |
| |
| static int traverse_one_object(struct object *obj) |
| { |
| int result = fsck_walk(obj, obj, &fsck_walk_options); |
| |
| if (obj->type == OBJ_TREE) { |
| struct tree *tree = (struct tree *)obj; |
| free_tree_buffer(tree); |
| } |
| return result; |
| } |
| |
| static int traverse_reachable(void) |
| { |
| struct progress *progress = NULL; |
| unsigned int nr = 0; |
| int result = 0; |
| if (show_progress) |
| progress = start_delayed_progress(_("Checking connectivity"), 0); |
| while (pending.nr) { |
| result |= traverse_one_object(object_array_pop(&pending)); |
| display_progress(progress, ++nr); |
| } |
| stop_progress(&progress); |
| return !!result; |
| } |
| |
| static int mark_used(struct object *obj, int type, void *data, struct fsck_options *options) |
| { |
| if (!obj) |
| return 1; |
| obj->flags |= USED; |
| return 0; |
| } |
| |
| static void mark_unreachable_referents(const struct object_id *oid) |
| { |
| struct fsck_options options = FSCK_OPTIONS_DEFAULT; |
| struct object *obj = lookup_object(the_repository, oid); |
| |
| if (!obj || !(obj->flags & HAS_OBJ)) |
| return; /* not part of our original set */ |
| if (obj->flags & REACHABLE) |
| return; /* reachable objects already traversed */ |
| |
| /* |
| * Avoid passing OBJ_NONE to fsck_walk, which will parse the object |
| * (and we want to avoid parsing blobs). |
| */ |
| if (obj->type == OBJ_NONE) { |
| enum object_type type = oid_object_info(the_repository, |
| &obj->oid, NULL); |
| if (type > 0) |
| object_as_type(the_repository, obj, type, 0); |
| } |
| |
| options.walk = mark_used; |
| fsck_walk(obj, NULL, &options); |
| } |
| |
| static int mark_loose_unreachable_referents(const struct object_id *oid, |
| const char *path, |
| void *data) |
| { |
| mark_unreachable_referents(oid); |
| return 0; |
| } |
| |
| static int mark_packed_unreachable_referents(const struct object_id *oid, |
| struct packed_git *pack, |
| uint32_t pos, |
| void *data) |
| { |
| mark_unreachable_referents(oid); |
| return 0; |
| } |
| |
| /* |
| * Check a single reachable object |
| */ |
| static void check_reachable_object(struct object *obj) |
| { |
| /* |
| * We obviously want the object to be parsed, |
| * except if it was in a pack-file and we didn't |
| * do a full fsck |
| */ |
| if (!(obj->flags & HAS_OBJ)) { |
| if (is_promisor_object(&obj->oid)) |
| return; |
| if (has_object_pack(&obj->oid)) |
| return; /* it is in pack - forget about it */ |
| printf_ln(_("missing %s %s"), |
| printable_type(&obj->oid, obj->type), |
| describe_object(&obj->oid)); |
| errors_found |= ERROR_REACHABLE; |
| return; |
| } |
| } |
| |
| /* |
| * Check a single unreachable object |
| */ |
| static void check_unreachable_object(struct object *obj) |
| { |
| /* |
| * Missing unreachable object? Ignore it. It's not like |
| * we miss it (since it can't be reached), nor do we want |
| * to complain about it being unreachable (since it does |
| * not exist). |
| */ |
| if (!(obj->flags & HAS_OBJ)) |
| return; |
| |
| /* |
| * Unreachable object that exists? Show it if asked to, |
| * since this is something that is prunable. |
| */ |
| if (show_unreachable) { |
| printf_ln(_("unreachable %s %s"), |
| printable_type(&obj->oid, obj->type), |
| describe_object(&obj->oid)); |
| return; |
| } |
| |
| /* |
| * "!USED" means that nothing at all points to it, including |
| * other unreachable objects. In other words, it's the "tip" |
| * of some set of unreachable objects, usually a commit that |
| * got dropped. |
| * |
| * Such starting points are more interesting than some random |
| * set of unreachable objects, so we show them even if the user |
| * hasn't asked for _all_ unreachable objects. If you have |
| * deleted a branch by mistake, this is a prime candidate to |
| * start looking at, for example. |
| */ |
| if (!(obj->flags & USED)) { |
| if (show_dangling) |
| printf_ln(_("dangling %s %s"), |
| printable_type(&obj->oid, obj->type), |
| describe_object(&obj->oid)); |
| if (write_lost_and_found) { |
| char *filename = git_pathdup("lost-found/%s/%s", |
| obj->type == OBJ_COMMIT ? "commit" : "other", |
| describe_object(&obj->oid)); |
| FILE *f; |
| |
| if (safe_create_leading_directories_const(filename)) { |
| error(_("could not create lost-found")); |
| free(filename); |
| return; |
| } |
| f = xfopen(filename, "w"); |
| if (obj->type == OBJ_BLOB) { |
| if (stream_blob_to_fd(fileno(f), &obj->oid, NULL, 1)) |
| die_errno(_("could not write '%s'"), filename); |
| } else |
| fprintf(f, "%s\n", describe_object(&obj->oid)); |
| if (fclose(f)) |
| die_errno(_("could not finish '%s'"), |
| filename); |
| free(filename); |
| } |
| return; |
| } |
| |
| /* |
| * Otherwise? It's there, it's unreachable, and some other unreachable |
| * object points to it. Ignore it - it's not interesting, and we showed |
| * all the interesting cases above. |
| */ |
| } |
| |
| static void check_object(struct object *obj) |
| { |
| if (verbose) |
| fprintf_ln(stderr, _("Checking %s"), describe_object(&obj->oid)); |
| |
| if (obj->flags & REACHABLE) |
| check_reachable_object(obj); |
| else |
| check_unreachable_object(obj); |
| } |
| |
| static void check_connectivity(void) |
| { |
| int i, max; |
| |
| /* Traverse the pending reachable objects */ |
| traverse_reachable(); |
| |
| /* |
| * With --connectivity-only, we won't have actually opened and marked |
| * unreachable objects with USED. Do that now to make --dangling, etc |
| * accurate. |
| */ |
| if (connectivity_only && (show_dangling || write_lost_and_found)) { |
| /* |
| * Even though we already have a "struct object" for each of |
| * these in memory, we must not iterate over the internal |
| * object hash as we do below. Our loop would potentially |
| * resize the hash, making our iteration invalid. |
| * |
| * Instead, we'll just go back to the source list of objects, |
| * and ignore any that weren't present in our earlier |
| * traversal. |
| */ |
| for_each_loose_object(mark_loose_unreachable_referents, NULL, 0); |
| for_each_packed_object(mark_packed_unreachable_referents, NULL, 0); |
| } |
| |
| /* Look up all the requirements, warn about missing objects.. */ |
| max = get_max_object_index(); |
| if (verbose) |
| fprintf_ln(stderr, _("Checking connectivity (%d objects)"), max); |
| |
| for (i = 0; i < max; i++) { |
| struct object *obj = get_indexed_object(i); |
| |
| if (obj) |
| check_object(obj); |
| } |
| } |
| |
| static int fsck_obj(struct object *obj, void *buffer, unsigned long size) |
| { |
| int err; |
| |
| if (obj->flags & SEEN) |
| return 0; |
| obj->flags |= SEEN; |
| |
| if (verbose) |
| fprintf_ln(stderr, _("Checking %s %s"), |
| printable_type(&obj->oid, obj->type), |
| describe_object(&obj->oid)); |
| |
| if (fsck_walk(obj, NULL, &fsck_obj_options)) |
| objerror(obj, _("broken links")); |
| err = fsck_object(obj, buffer, size, &fsck_obj_options); |
| if (err) |
| goto out; |
| |
| if (obj->type == OBJ_COMMIT) { |
| struct commit *commit = (struct commit *) obj; |
| |
| if (!commit->parents && show_root) |
| printf_ln(_("root %s"), |
| describe_object(&commit->object.oid)); |
| } |
| |
| if (obj->type == OBJ_TAG) { |
| struct tag *tag = (struct tag *) obj; |
| |
| if (show_tags && tag->tagged) { |
| printf_ln(_("tagged %s %s (%s) in %s"), |
| printable_type(&tag->tagged->oid, tag->tagged->type), |
| describe_object(&tag->tagged->oid), |
| tag->tag, |
| describe_object(&tag->object.oid)); |
| } |
| } |
| |
| out: |
| if (obj->type == OBJ_TREE) |
| free_tree_buffer((struct tree *)obj); |
| if (obj->type == OBJ_COMMIT) |
| free_commit_buffer(the_repository->parsed_objects, |
| (struct commit *)obj); |
| return err; |
| } |
| |
| static int fsck_obj_buffer(const struct object_id *oid, enum object_type type, |
| unsigned long size, void *buffer, int *eaten) |
| { |
| /* |
| * Note, buffer may be NULL if type is OBJ_BLOB. See |
| * verify_packfile(), data_valid variable for details. |
| */ |
| struct object *obj; |
| obj = parse_object_buffer(the_repository, oid, type, size, buffer, |
| eaten); |
| if (!obj) { |
| errors_found |= ERROR_OBJECT; |
| return error(_("%s: object corrupt or missing"), |
| oid_to_hex(oid)); |
| } |
| obj->flags &= ~(REACHABLE | SEEN); |
| obj->flags |= HAS_OBJ; |
| return fsck_obj(obj, buffer, size); |
| } |
| |
| static int default_refs; |
| |
| static void fsck_handle_reflog_oid(const char *refname, struct object_id *oid, |
| timestamp_t timestamp) |
| { |
| struct object *obj; |
| |
| if (!is_null_oid(oid)) { |
| obj = lookup_object(the_repository, oid); |
| if (obj && (obj->flags & HAS_OBJ)) { |
| if (timestamp) |
| fsck_put_object_name(&fsck_walk_options, oid, |
| "%s@{%"PRItime"}", |
| refname, timestamp); |
| obj->flags |= USED; |
| mark_object_reachable(obj); |
| } else if (!is_promisor_object(oid)) { |
| error(_("%s: invalid reflog entry %s"), |
| refname, oid_to_hex(oid)); |
| errors_found |= ERROR_REACHABLE; |
| } |
| } |
| } |
| |
| static int fsck_handle_reflog_ent(struct object_id *ooid, struct object_id *noid, |
| const char *email, timestamp_t timestamp, int tz, |
| const char *message, void *cb_data) |
| { |
| const char *refname = cb_data; |
| |
| if (verbose) |
| fprintf_ln(stderr, _("Checking reflog %s->%s"), |
| oid_to_hex(ooid), oid_to_hex(noid)); |
| |
| fsck_handle_reflog_oid(refname, ooid, 0); |
| fsck_handle_reflog_oid(refname, noid, timestamp); |
| return 0; |
| } |
| |
| static int fsck_handle_reflog(const char *logname, const struct object_id *oid, |
| int flag, void *cb_data) |
| { |
| struct strbuf refname = STRBUF_INIT; |
| |
| strbuf_worktree_ref(cb_data, &refname, logname); |
| for_each_reflog_ent(refname.buf, fsck_handle_reflog_ent, refname.buf); |
| strbuf_release(&refname); |
| return 0; |
| } |
| |
| static int fsck_handle_ref(const char *refname, const struct object_id *oid, |
| int flag, void *cb_data) |
| { |
| struct object *obj; |
| |
| obj = parse_object(the_repository, oid); |
| if (!obj) { |
| if (is_promisor_object(oid)) { |
| /* |
| * Increment default_refs anyway, because this is a |
| * valid ref. |
| */ |
| default_refs++; |
| return 0; |
| } |
| error(_("%s: invalid sha1 pointer %s"), |
| refname, oid_to_hex(oid)); |
| errors_found |= ERROR_REACHABLE; |
| /* We'll continue with the rest despite the error.. */ |
| return 0; |
| } |
| if (obj->type != OBJ_COMMIT && is_branch(refname)) { |
| error(_("%s: not a commit"), refname); |
| errors_found |= ERROR_REFS; |
| } |
| default_refs++; |
| obj->flags |= USED; |
| fsck_put_object_name(&fsck_walk_options, |
| oid, "%s", refname); |
| mark_object_reachable(obj); |
| |
| return 0; |
| } |
| |
| static int fsck_head_link(const char *head_ref_name, |
| const char **head_points_at, |
| struct object_id *head_oid); |
| |
| static void get_default_heads(void) |
| { |
| struct worktree **worktrees, **p; |
| const char *head_points_at; |
| struct object_id head_oid; |
| |
| for_each_rawref(fsck_handle_ref, NULL); |
| |
| worktrees = get_worktrees(0); |
| for (p = worktrees; *p; p++) { |
| struct worktree *wt = *p; |
| struct strbuf ref = STRBUF_INIT; |
| |
| strbuf_worktree_ref(wt, &ref, "HEAD"); |
| fsck_head_link(ref.buf, &head_points_at, &head_oid); |
| if (head_points_at && !is_null_oid(&head_oid)) |
| fsck_handle_ref(ref.buf, &head_oid, 0, NULL); |
| strbuf_release(&ref); |
| |
| if (include_reflogs) |
| refs_for_each_reflog(get_worktree_ref_store(wt), |
| fsck_handle_reflog, wt); |
| } |
| free_worktrees(worktrees); |
| |
| /* |
| * Not having any default heads isn't really fatal, but |
| * it does mean that "--unreachable" no longer makes any |
| * sense (since in this case everything will obviously |
| * be unreachable by definition. |
| * |
| * Showing dangling objects is valid, though (as those |
| * dangling objects are likely lost heads). |
| * |
| * So we just print a warning about it, and clear the |
| * "show_unreachable" flag. |
| */ |
| if (!default_refs) { |
| fprintf_ln(stderr, _("notice: No default references")); |
| show_unreachable = 0; |
| } |
| } |
| |
| static int fsck_loose(const struct object_id *oid, const char *path, void *data) |
| { |
| struct object *obj; |
| enum object_type type; |
| unsigned long size; |
| void *contents; |
| int eaten; |
| |
| if (read_loose_object(path, oid, &type, &size, &contents) < 0) { |
| errors_found |= ERROR_OBJECT; |
| error(_("%s: object corrupt or missing: %s"), |
| oid_to_hex(oid), path); |
| return 0; /* keep checking other objects */ |
| } |
| |
| if (!contents && type != OBJ_BLOB) |
| BUG("read_loose_object streamed a non-blob"); |
| |
| obj = parse_object_buffer(the_repository, oid, type, size, |
| contents, &eaten); |
| |
| if (!obj) { |
| errors_found |= ERROR_OBJECT; |
| error(_("%s: object could not be parsed: %s"), |
| oid_to_hex(oid), path); |
| if (!eaten) |
| free(contents); |
| return 0; /* keep checking other objects */ |
| } |
| |
| obj->flags &= ~(REACHABLE | SEEN); |
| obj->flags |= HAS_OBJ; |
| if (fsck_obj(obj, contents, size)) |
| errors_found |= ERROR_OBJECT; |
| |
| if (!eaten) |
| free(contents); |
| return 0; /* keep checking other objects, even if we saw an error */ |
| } |
| |
| static int fsck_cruft(const char *basename, const char *path, void *data) |
| { |
| if (!starts_with(basename, "tmp_obj_")) |
| fprintf_ln(stderr, _("bad sha1 file: %s"), path); |
| return 0; |
| } |
| |
| static int fsck_subdir(unsigned int nr, const char *path, void *progress) |
| { |
| display_progress(progress, nr + 1); |
| return 0; |
| } |
| |
| static void fsck_object_dir(const char *path) |
| { |
| struct progress *progress = NULL; |
| |
| if (verbose) |
| fprintf_ln(stderr, _("Checking object directory")); |
| |
| if (show_progress) |
| progress = start_progress(_("Checking object directories"), 256); |
| |
| for_each_loose_file_in_objdir(path, fsck_loose, fsck_cruft, fsck_subdir, |
| progress); |
| display_progress(progress, 256); |
| stop_progress(&progress); |
| } |
| |
| static int fsck_head_link(const char *head_ref_name, |
| const char **head_points_at, |
| struct object_id *head_oid) |
| { |
| int null_is_error = 0; |
| |
| if (verbose) |
| fprintf_ln(stderr, _("Checking %s link"), head_ref_name); |
| |
| *head_points_at = resolve_ref_unsafe(head_ref_name, 0, head_oid, NULL); |
| if (!*head_points_at) { |
| errors_found |= ERROR_REFS; |
| return error(_("invalid %s"), head_ref_name); |
| } |
| if (!strcmp(*head_points_at, head_ref_name)) |
| /* detached HEAD */ |
| null_is_error = 1; |
| else if (!starts_with(*head_points_at, "refs/heads/")) { |
| errors_found |= ERROR_REFS; |
| return error(_("%s points to something strange (%s)"), |
| head_ref_name, *head_points_at); |
| } |
| if (is_null_oid(head_oid)) { |
| if (null_is_error) { |
| errors_found |= ERROR_REFS; |
| return error(_("%s: detached HEAD points at nothing"), |
| head_ref_name); |
| } |
| fprintf_ln(stderr, |
| _("notice: %s points to an unborn branch (%s)"), |
| head_ref_name, *head_points_at + 11); |
| } |
| return 0; |
| } |
| |
| static int fsck_cache_tree(struct cache_tree *it) |
| { |
| int i; |
| int err = 0; |
| |
| if (verbose) |
| fprintf_ln(stderr, _("Checking cache tree")); |
| |
| if (0 <= it->entry_count) { |
| struct object *obj = parse_object(the_repository, &it->oid); |
| if (!obj) { |
| error(_("%s: invalid sha1 pointer in cache-tree"), |
| oid_to_hex(&it->oid)); |
| errors_found |= ERROR_REFS; |
| return 1; |
| } |
| obj->flags |= USED; |
| fsck_put_object_name(&fsck_walk_options, &it->oid, ":"); |
| mark_object_reachable(obj); |
| if (obj->type != OBJ_TREE) |
| err |= objerror(obj, _("non-tree in cache-tree")); |
| } |
| for (i = 0; i < it->subtree_nr; i++) |
| err |= fsck_cache_tree(it->down[i]->cache_tree); |
| return err; |
| } |
| |
| static void mark_object_for_connectivity(const struct object_id *oid) |
| { |
| struct object *obj = lookup_unknown_object(oid); |
| obj->flags |= HAS_OBJ; |
| } |
| |
| static int mark_loose_for_connectivity(const struct object_id *oid, |
| const char *path, |
| void *data) |
| { |
| mark_object_for_connectivity(oid); |
| return 0; |
| } |
| |
| static int mark_packed_for_connectivity(const struct object_id *oid, |
| struct packed_git *pack, |
| uint32_t pos, |
| void *data) |
| { |
| mark_object_for_connectivity(oid); |
| return 0; |
| } |
| |
| static char const * const fsck_usage[] = { |
| N_("git fsck [<options>] [<object>...]"), |
| NULL |
| }; |
| |
| static struct option fsck_opts[] = { |
| OPT__VERBOSE(&verbose, N_("be verbose")), |
| OPT_BOOL(0, "unreachable", &show_unreachable, N_("show unreachable objects")), |
| OPT_BOOL(0, "dangling", &show_dangling, N_("show dangling objects")), |
| OPT_BOOL(0, "tags", &show_tags, N_("report tags")), |
| OPT_BOOL(0, "root", &show_root, N_("report root nodes")), |
| OPT_BOOL(0, "cache", &keep_cache_objects, N_("make index objects head nodes")), |
| OPT_BOOL(0, "reflogs", &include_reflogs, N_("make reflogs head nodes (default)")), |
| OPT_BOOL(0, "full", &check_full, N_("also consider packs and alternate objects")), |
| OPT_BOOL(0, "connectivity-only", &connectivity_only, N_("check only connectivity")), |
| OPT_BOOL(0, "strict", &check_strict, N_("enable more strict checking")), |
| OPT_BOOL(0, "lost-found", &write_lost_and_found, |
| N_("write dangling objects in .git/lost-found")), |
| OPT_BOOL(0, "progress", &show_progress, N_("show progress")), |
| OPT_BOOL(0, "name-objects", &name_objects, N_("show verbose names for reachable objects")), |
| OPT_END(), |
| }; |
| |
| int cmd_fsck(int argc, const char **argv, const char *prefix) |
| { |
| int i; |
| struct object_directory *odb; |
| |
| /* fsck knows how to handle missing promisor objects */ |
| fetch_if_missing = 0; |
| |
| errors_found = 0; |
| read_replace_refs = 0; |
| |
| argc = parse_options(argc, argv, prefix, fsck_opts, fsck_usage, 0); |
| |
| fsck_walk_options.walk = mark_object; |
| fsck_obj_options.walk = mark_used; |
| fsck_obj_options.error_func = fsck_error_func; |
| if (check_strict) |
| fsck_obj_options.strict = 1; |
| |
| if (show_progress == -1) |
| show_progress = isatty(2); |
| if (verbose) |
| show_progress = 0; |
| |
| if (write_lost_and_found) { |
| check_full = 1; |
| include_reflogs = 0; |
| } |
| |
| if (name_objects) |
| fsck_enable_object_names(&fsck_walk_options); |
| |
| git_config(fsck_config, NULL); |
| |
| if (connectivity_only) { |
| for_each_loose_object(mark_loose_for_connectivity, NULL, 0); |
| for_each_packed_object(mark_packed_for_connectivity, NULL, 0); |
| } else { |
| prepare_alt_odb(the_repository); |
| for (odb = the_repository->objects->odb; odb; odb = odb->next) |
| fsck_object_dir(odb->path); |
| |
| if (check_full) { |
| struct packed_git *p; |
| uint32_t total = 0, count = 0; |
| struct progress *progress = NULL; |
| |
| if (show_progress) { |
| for (p = get_all_packs(the_repository); p; |
| p = p->next) { |
| if (open_pack_index(p)) |
| continue; |
| total += p->num_objects; |
| } |
| |
| progress = start_progress(_("Checking objects"), total); |
| } |
| for (p = get_all_packs(the_repository); p; |
| p = p->next) { |
| /* verify gives error messages itself */ |
| if (verify_pack(the_repository, |
| p, fsck_obj_buffer, |
| progress, count)) |
| errors_found |= ERROR_PACK; |
| count += p->num_objects; |
| } |
| stop_progress(&progress); |
| } |
| |
| if (fsck_finish(&fsck_obj_options)) |
| errors_found |= ERROR_OBJECT; |
| } |
| |
| for (i = 0; i < argc; i++) { |
| const char *arg = argv[i]; |
| struct object_id oid; |
| if (!get_oid(arg, &oid)) { |
| struct object *obj = lookup_object(the_repository, |
| &oid); |
| |
| if (!obj || !(obj->flags & HAS_OBJ)) { |
| if (is_promisor_object(&oid)) |
| continue; |
| error(_("%s: object missing"), oid_to_hex(&oid)); |
| errors_found |= ERROR_OBJECT; |
| continue; |
| } |
| |
| obj->flags |= USED; |
| fsck_put_object_name(&fsck_walk_options, &oid, |
| "%s", arg); |
| mark_object_reachable(obj); |
| continue; |
| } |
| error(_("invalid parameter: expected sha1, got '%s'"), arg); |
| errors_found |= ERROR_OBJECT; |
| } |
| |
| /* |
| * If we've not been given any explicit head information, do the |
| * default ones from .git/refs. We also consider the index file |
| * in this case (ie this implies --cache). |
| */ |
| if (!argc) { |
| get_default_heads(); |
| keep_cache_objects = 1; |
| } |
| |
| if (keep_cache_objects) { |
| verify_index_checksum = 1; |
| verify_ce_order = 1; |
| read_cache(); |
| for (i = 0; i < active_nr; i++) { |
| unsigned int mode; |
| struct blob *blob; |
| struct object *obj; |
| |
| mode = active_cache[i]->ce_mode; |
| if (S_ISGITLINK(mode)) |
| continue; |
| blob = lookup_blob(the_repository, |
| &active_cache[i]->oid); |
| if (!blob) |
| continue; |
| obj = &blob->object; |
| obj->flags |= USED; |
| fsck_put_object_name(&fsck_walk_options, &obj->oid, |
| ":%s", active_cache[i]->name); |
| mark_object_reachable(obj); |
| } |
| if (active_cache_tree) |
| fsck_cache_tree(active_cache_tree); |
| } |
| |
| check_connectivity(); |
| |
| if (!git_config_get_bool("core.commitgraph", &i) && i) { |
| struct child_process commit_graph_verify = CHILD_PROCESS_INIT; |
| const char *verify_argv[] = { "commit-graph", "verify", NULL, NULL, NULL }; |
| |
| prepare_alt_odb(the_repository); |
| for (odb = the_repository->objects->odb; odb; odb = odb->next) { |
| child_process_init(&commit_graph_verify); |
| commit_graph_verify.argv = verify_argv; |
| commit_graph_verify.git_cmd = 1; |
| verify_argv[2] = "--object-dir"; |
| verify_argv[3] = odb->path; |
| if (run_command(&commit_graph_verify)) |
| errors_found |= ERROR_COMMIT_GRAPH; |
| } |
| } |
| |
| if (!git_config_get_bool("core.multipackindex", &i) && i) { |
| struct child_process midx_verify = CHILD_PROCESS_INIT; |
| const char *midx_argv[] = { "multi-pack-index", "verify", NULL, NULL, NULL }; |
| |
| prepare_alt_odb(the_repository); |
| for (odb = the_repository->objects->odb; odb; odb = odb->next) { |
| child_process_init(&midx_verify); |
| midx_verify.argv = midx_argv; |
| midx_verify.git_cmd = 1; |
| midx_argv[2] = "--object-dir"; |
| midx_argv[3] = odb->path; |
| if (run_command(&midx_verify)) |
| errors_found |= ERROR_MULTI_PACK_INDEX; |
| } |
| } |
| |
| return errors_found; |
| } |