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It relies on the "fsck_options" to interact with fsck error levels. However, "fsck_options" aims at checking the object database which contains a lot of fields only related to object database. In order to add ref operations, create a new struct named "fsck_refs_options" and a new struct named "fsck_objs_options". Remove object-related fields from "fsck_options" to "fsck_objs_options". Change the "fsck_options" with three parts of members: 1. The "fsck_refs_options". 2. The "fsck_objs_options". 3. The common settings both for refs and objects. Because we leave common settings in "fsck_options". The setup process could be fully reused without any code changing. Also add related macros to align with the current code. Because we remove some fields from "fsck_options" to "fsck_objs_options". Change the influenced code to use the "fsck_options.objs_options" instead of using "fsck_options" itself. The static function "report" provided by "fsck.c" aims at reporting the problems related to object database which cannot be reused for refs. Provide "fsck_refs_report" function to integrate the fsck error levels into reference consistency check. Mentored-by: Patrick Steinhardt Mentored-by: Karthik Nayak Signed-off-by: shejialuo --- builtin/fsck.c | 8 +-- builtin/index-pack.c | 2 +- builtin/mktag.c | 5 +- builtin/unpack-objects.c | 2 +- fetch-pack.c | 8 +-- fsck.c | 113 +++++++++++++++++++++++++++++---------- fsck.h | 79 ++++++++++++++++++++------- object-file.c | 2 +- 8 files changed, 161 insertions(+), 58 deletions(-) diff --git a/builtin/fsck.c b/builtin/fsck.c index d13a226c2e..a5b82e228c 100644 --- a/builtin/fsck.c +++ b/builtin/fsck.c @@ -233,7 +233,7 @@ static void mark_unreachable_referents(const struct object_id *oid) object_as_type(obj, type, 0); } - options.walk = mark_used; + options.objs_options.walk = mark_used; fsck_walk(obj, NULL, &options); if (obj->type == OBJ_TREE) free_tree_buffer((struct tree *)obj); @@ -936,9 +936,9 @@ int cmd_fsck(int argc, const char **argv, const char *prefix) 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; + fsck_walk_options.objs_options.walk = mark_object; + fsck_obj_options.objs_options.walk = mark_used; + fsck_obj_options.objs_options.error_func = fsck_error_func; if (check_strict) fsck_obj_options.strict = 1; diff --git a/builtin/index-pack.c b/builtin/index-pack.c index 856428fef9..8824d7b8a9 100644 --- a/builtin/index-pack.c +++ b/builtin/index-pack.c @@ -1746,7 +1746,7 @@ int cmd_index_pack(int argc, const char **argv, const char *prefix) usage(index_pack_usage); disable_replace_refs(); - fsck_options.walk = mark_link; + fsck_options.objs_options.walk = mark_link; reset_pack_idx_option(&opts); opts.flags |= WRITE_REV; diff --git a/builtin/mktag.c b/builtin/mktag.c index 4767f1a97e..e88475f009 100644 --- a/builtin/mktag.c +++ b/builtin/mktag.c @@ -91,8 +91,9 @@ int cmd_mktag(int argc, const char **argv, const char *prefix) if (strbuf_read(&buf, 0, 0) < 0) die_errno(_("could not read from stdin")); - fsck_options.error_func = mktag_fsck_error_func; - fsck_set_msg_type_from_ids(&fsck_options, FSCK_MSG_EXTRA_HEADER_ENTRY, + fsck_options.objs_options.error_func = mktag_fsck_error_func; + fsck_set_msg_type_from_ids(&fsck_options, + FSCK_MSG_EXTRA_HEADER_ENTRY, FSCK_WARN); /* config might set fsck.extraHeaderEntry=* again */ git_config(git_fsck_config, &fsck_options); diff --git a/builtin/unpack-objects.c b/builtin/unpack-objects.c index f1c85a00ae..368810a2a1 100644 --- a/builtin/unpack-objects.c +++ b/builtin/unpack-objects.c @@ -239,7 +239,7 @@ static int check_object(struct object *obj, enum object_type type, die("Whoops! Cannot find object '%s'", oid_to_hex(&obj->oid)); if (fsck_object(obj, obj_buf->buffer, obj_buf->size, &fsck_options)) die("fsck error in packed object"); - fsck_options.walk = check_object; + fsck_options.objs_options.walk = check_object; if (fsck_walk(obj, NULL, &fsck_options)) die("Error on reachable objects of %s", oid_to_hex(&obj->oid)); write_cached_object(obj, obj_buf); diff --git a/fetch-pack.c b/fetch-pack.c index eba9e420ea..148f9bd371 100644 --- a/fetch-pack.c +++ b/fetch-pack.c @@ -1220,7 +1220,7 @@ static struct ref *do_fetch_pack(struct fetch_pack_args *args, } else alternate_shallow_file = NULL; if (get_pack(args, fd, pack_lockfiles, NULL, sought, nr_sought, - &fsck_options.gitmodules_found)) + &fsck_options.objs_options.gitmodules_found)) die(_("git fetch-pack: fetch failed.")); if (fsck_finish(&fsck_options)) die("fsck failed"); @@ -1780,7 +1780,8 @@ static struct ref *do_fetch_pack_v2(struct fetch_pack_args *args, if (get_pack(args, fd, pack_lockfiles, packfile_uris.nr ? &index_pack_args : NULL, - sought, nr_sought, &fsck_options.gitmodules_found)) + sought, nr_sought, + &fsck_options.objs_options.gitmodules_found)) die(_("git fetch-pack: fetch failed.")); do_check_stateless_delimiter(args->stateless_rpc, &reader); @@ -1823,7 +1824,8 @@ static struct ref *do_fetch_pack_v2(struct fetch_pack_args *args, packname[the_hash_algo->hexsz] = '\0'; - parse_gitmodules_oids(cmd.out, &fsck_options.gitmodules_found); + parse_gitmodules_oids(cmd.out, + &fsck_options.objs_options.gitmodules_found); close(cmd.out); diff --git a/fsck.c b/fsck.c index e193930ae7..4949d2e110 100644 --- a/fsck.c +++ b/fsck.c @@ -203,7 +203,8 @@ void fsck_set_msg_types(struct fsck_options *options, const char *values) if (!strcmp(buf, "skiplist")) { if (equal == len) die("skiplist requires a path"); - oidset_parse_file(&options->skiplist, buf + equal + 1); + oidset_parse_file(&options->objs_options.skiplist, + buf + equal + 1); buf += len + 1; continue; } @@ -220,7 +221,7 @@ void fsck_set_msg_types(struct fsck_options *options, const char *values) static int object_on_skiplist(struct fsck_options *opts, const struct object_id *oid) { - return opts && oid && oidset_contains(&opts->skiplist, oid); + return opts && oid && oidset_contains(&opts->objs_options.skiplist, oid); } __attribute__((format (printf, 5, 6))) @@ -249,8 +250,8 @@ static int report(struct fsck_options *options, va_start(ap, fmt); strbuf_vaddf(&sb, fmt, ap); - result = options->error_func(options, oid, object_type, - msg_type, msg_id, sb.buf); + result = options->objs_options.error_func(options, oid, object_type, + msg_type, msg_id, sb.buf); strbuf_release(&sb); va_end(ap); @@ -259,20 +260,20 @@ static int report(struct fsck_options *options, void fsck_enable_object_names(struct fsck_options *options) { - if (!options->object_names) - options->object_names = kh_init_oid_map(); + if (!options->objs_options.object_names) + options->objs_options.object_names = kh_init_oid_map(); } const char *fsck_get_object_name(struct fsck_options *options, const struct object_id *oid) { khiter_t pos; - if (!options->object_names) + if (!options->objs_options.object_names) return NULL; - pos = kh_get_oid_map(options->object_names, *oid); - if (pos >= kh_end(options->object_names)) + pos = kh_get_oid_map(options->objs_options.object_names, *oid); + if (pos >= kh_end(options->objs_options.object_names)) return NULL; - return kh_value(options->object_names, pos); + return kh_value(options->objs_options.object_names, pos); } void fsck_put_object_name(struct fsck_options *options, @@ -284,15 +285,17 @@ void fsck_put_object_name(struct fsck_options *options, khiter_t pos; int hashret; - if (!options->object_names) + if (!options->objs_options.object_names) return; - pos = kh_put_oid_map(options->object_names, *oid, &hashret); + pos = kh_put_oid_map(options->objs_options.object_names, + *oid, &hashret); if (!hashret) return; va_start(ap, fmt); strbuf_vaddf(&buf, fmt, ap); - kh_value(options->object_names, pos) = strbuf_detach(&buf, NULL); + kh_value(options->objs_options.object_names, pos) = + strbuf_detach(&buf, NULL); va_end(ap); } @@ -318,6 +321,7 @@ const char *fsck_describe_object(struct fsck_options *options, static int fsck_walk_tree(struct tree *tree, void *data, struct fsck_options *options) { + struct fsck_objs_options *objs_options = &options->objs_options; struct tree_desc desc; struct name_entry entry; int res = 0; @@ -342,14 +346,14 @@ static int fsck_walk_tree(struct tree *tree, void *data, struct fsck_options *op if (name && obj) fsck_put_object_name(options, &entry.oid, "%s%s/", name, entry.path); - result = options->walk(obj, OBJ_TREE, data, options); + result = objs_options->walk(obj, OBJ_TREE, data, options); } else if (S_ISREG(entry.mode) || S_ISLNK(entry.mode)) { obj = (struct object *)lookup_blob(the_repository, &entry.oid); if (name && obj) fsck_put_object_name(options, &entry.oid, "%s%s", name, entry.path); - result = options->walk(obj, OBJ_BLOB, data, options); + result = objs_options->walk(obj, OBJ_BLOB, data, options); } else { result = error("in tree %s: entry %s has bad mode %.6o", @@ -366,6 +370,7 @@ static int fsck_walk_tree(struct tree *tree, void *data, struct fsck_options *op static int fsck_walk_commit(struct commit *commit, void *data, struct fsck_options *options) { + struct fsck_objs_options *objs_options = &options->objs_options; int counter = 0, generation = 0, name_prefix_len = 0; struct commit_list *parents; int res; @@ -380,8 +385,8 @@ static int fsck_walk_commit(struct commit *commit, void *data, struct fsck_optio fsck_put_object_name(options, get_commit_tree_oid(commit), "%s:", name); - result = options->walk((struct object *) repo_get_commit_tree(the_repository, commit), - OBJ_TREE, data, options); + result = objs_options->walk((struct object *) repo_get_commit_tree(the_repository, commit), + OBJ_TREE, data, options); if (result < 0) return result; res = result; @@ -423,7 +428,8 @@ static int fsck_walk_commit(struct commit *commit, void *data, struct fsck_optio else fsck_put_object_name(options, oid, "%s^", name); } - result = options->walk((struct object *)parents->item, OBJ_COMMIT, data, options); + result = objs_options->walk((struct object *)parents->item, + OBJ_COMMIT, data, options); if (result < 0) return result; if (!res) @@ -436,12 +442,13 @@ static int fsck_walk_commit(struct commit *commit, void *data, struct fsck_optio static int fsck_walk_tag(struct tag *tag, void *data, struct fsck_options *options) { const char *name = fsck_get_object_name(options, &tag->object.oid); + struct fsck_objs_options *objs_options = &options->objs_options; if (parse_tag(tag)) return -1; if (name) fsck_put_object_name(options, &tag->tagged->oid, "%s", name); - return options->walk(tag->tagged, OBJ_ANY, data, options); + return objs_options->walk(tag->tagged, OBJ_ANY, data, options); } int fsck_walk(struct object *obj, void *data, struct fsck_options *options) @@ -598,6 +605,7 @@ static int fsck_tree(const struct object_id *tree_oid, unsigned o_mode; const char *o_name; struct name_stack df_dup_candidates = { NULL }; + struct fsck_objs_options *objs_options = &options->objs_options; if (init_tree_desc_gently(&desc, tree_oid, buffer, size, TREE_DESC_RAW_MODES)) { @@ -628,7 +636,7 @@ static int fsck_tree(const struct object_id *tree_oid, if (is_hfs_dotgitmodules(name) || is_ntfs_dotgitmodules(name)) { if (!S_ISLNK(mode)) - oidset_insert(&options->gitmodules_found, + oidset_insert(&objs_options->gitmodules_found, entry_oid); else retval += report(options, @@ -639,7 +647,7 @@ static int fsck_tree(const struct object_id *tree_oid, if (is_hfs_dotgitattributes(name) || is_ntfs_dotgitattributes(name)) { if (!S_ISLNK(mode)) - oidset_insert(&options->gitattributes_found, + oidset_insert(&objs_options->gitattributes_found, entry_oid); else retval += report(options, tree_oid, OBJ_TREE, @@ -666,7 +674,7 @@ static int fsck_tree(const struct object_id *tree_oid, has_dotgit |= is_ntfs_dotgit(backslash); if (is_ntfs_dotgitmodules(backslash)) { if (!S_ISLNK(mode)) - oidset_insert(&options->gitmodules_found, + oidset_insert(&objs_options->gitmodules_found, entry_oid); else retval += report(options, tree_oid, OBJ_TREE, @@ -1102,16 +1110,17 @@ static int fsck_gitmodules_fn(const char *var, const char *value, static int fsck_blob(const struct object_id *oid, const char *buf, unsigned long size, struct fsck_options *options) { + struct fsck_objs_options *objs_options = &options->objs_options; int ret = 0; if (object_on_skiplist(options, oid)) return 0; - if (oidset_contains(&options->gitmodules_found, oid)) { + if (oidset_contains(&objs_options->gitmodules_found, oid)) { struct config_options config_opts = { 0 }; struct fsck_gitmodules_data data; - oidset_insert(&options->gitmodules_done, oid); + oidset_insert(&objs_options->gitmodules_done, oid); if (!buf) { /* @@ -1137,13 +1146,14 @@ static int fsck_blob(const struct object_id *oid, const char *buf, ret |= data.ret; } - if (oidset_contains(&options->gitattributes_found, oid)) { + if (oidset_contains(&objs_options->gitattributes_found, oid)) { const char *ptr; - oidset_insert(&options->gitattributes_done, oid); + oidset_insert(&objs_options->gitattributes_done, oid); if (!buf || size > ATTR_MAX_FILE_SIZE) { /* + * A missing buffer here is a sign that the caller found the * blob too gigantic to load into memory. Let's just consider * that an error. @@ -1197,6 +1207,20 @@ int fsck_buffer(const struct object_id *oid, enum object_type type, type); } +int fsck_refs_error_function(struct fsck_options *o UNUSED, + const char *name, + enum fsck_msg_type msg_type, + enum fsck_msg_id msg_id UNUSED, + const char *message) +{ + if (msg_type == FSCK_WARN) { + warning("%s: %s", name, message); + return 0; + } + error("%s: %s", name, message); + return 1; +} + int fsck_error_function(struct fsck_options *o, const struct object_id *oid, enum object_type object_type UNUSED, @@ -1255,18 +1279,51 @@ static int fsck_blobs(struct oidset *blobs_found, struct oidset *blobs_done, int fsck_finish(struct fsck_options *options) { + struct fsck_objs_options *objs_options = &options->objs_options; int ret = 0; - ret |= fsck_blobs(&options->gitmodules_found, &options->gitmodules_done, + ret |= fsck_blobs(&objs_options->gitmodules_found, + &objs_options->gitmodules_done, FSCK_MSG_GITMODULES_MISSING, FSCK_MSG_GITMODULES_BLOB, options, ".gitmodules"); - ret |= fsck_blobs(&options->gitattributes_found, &options->gitattributes_done, + ret |= fsck_blobs(&objs_options->gitattributes_found, + &objs_options->gitattributes_done, FSCK_MSG_GITATTRIBUTES_MISSING, FSCK_MSG_GITATTRIBUTES_BLOB, options, ".gitattributes"); return ret; } +int fsck_refs_report(struct fsck_options *o, + const char *name, + enum fsck_msg_id msg_id, + const char *fmt, ...) +{ + va_list ap; + struct strbuf sb = STRBUF_INIT; + enum fsck_msg_type msg_type = fsck_msg_type(msg_id, o); + int ret = 0; + + if (msg_type == FSCK_IGNORE) + return 0; + + if (msg_type == FSCK_FATAL) + msg_type = FSCK_ERROR; + else if (msg_type == FSCK_INFO) + msg_type = FSCK_WARN; + + prepare_msg_ids(); + strbuf_addf(&sb, "%s: ", msg_id_info[msg_id].camelcased); + + va_start(ap, fmt); + strbuf_vaddf(&sb, fmt, ap); + ret = o->refs_options.error_func(o, name, msg_type, msg_id, sb.buf); + strbuf_release(&sb); + va_end(ap); + + return ret; +} + int git_fsck_config(const char *var, const char *value, const struct config_context *ctx, void *cb) { diff --git a/fsck.h b/fsck.h index 6085a384f6..0391dffbb0 100644 --- a/fsck.h +++ b/fsck.h @@ -103,6 +103,21 @@ void fsck_set_msg_type(struct fsck_options *options, void fsck_set_msg_types(struct fsck_options *options, const char *values); int is_valid_msg_type(const char *msg_id, const char *msg_type); +/* + * callback function for fsck refs and reflogs. + */ +typedef int (*fsck_refs_error)(struct fsck_options *o, + const char *name, + enum fsck_msg_type msg_type, + enum fsck_msg_id msg_id, + const char *message); + +int fsck_refs_error_function(struct fsck_options *o, + const char *name, + enum fsck_msg_type msg_type, + enum fsck_msg_id msg_id, + const char *message); + /* * callback function for fsck_walk * type is the expected type of the object or OBJ_ANY @@ -115,10 +130,12 @@ typedef int (*fsck_walk_func)(struct object *obj, enum object_type object_type, void *data, struct fsck_options *options); /* callback for fsck_object, type is FSCK_ERROR or FSCK_WARN */ -typedef int (*fsck_error)(struct fsck_options *o, - const struct object_id *oid, enum object_type object_type, - enum fsck_msg_type msg_type, enum fsck_msg_id msg_id, - const char *message); +typedef int (*fsck_obj_error)(struct fsck_options *o, + const struct object_id *oid, + enum object_type object_type, + enum fsck_msg_type msg_type, + enum fsck_msg_id msg_id, + const char *message); int fsck_error_function(struct fsck_options *o, const struct object_id *oid, enum object_type object_type, @@ -131,11 +148,17 @@ int fsck_error_cb_print_missing_gitmodules(struct fsck_options *o, enum fsck_msg_id msg_id, const char *message); -struct fsck_options { +struct fsck_refs_options { + fsck_refs_error error_func; +}; + +#define FSCK_REFS_OPTIONS_DEFAULT { \ + .error_func = fsck_refs_error_function, \ +} + +struct fsck_objs_options { fsck_walk_func walk; - fsck_error error_func; - unsigned strict:1; - enum fsck_msg_type *msg_type; + fsck_obj_error error_func; struct oidset skiplist; struct oidset gitmodules_found; struct oidset gitmodules_done; @@ -144,29 +167,43 @@ struct fsck_options { kh_oid_map_t *object_names; }; -#define FSCK_OPTIONS_DEFAULT { \ +#define FSCK_OBJS_OPTIONS_DEFAULT { \ + .error_func = fsck_error_function, \ .skiplist = OIDSET_INIT, \ .gitmodules_found = OIDSET_INIT, \ .gitmodules_done = OIDSET_INIT, \ .gitattributes_found = OIDSET_INIT, \ .gitattributes_done = OIDSET_INIT, \ - .error_func = fsck_error_function \ } -#define FSCK_OPTIONS_STRICT { \ - .strict = 1, \ +#define FSCK_OBJS_OPTIONS_MISSING_GITMODULES { \ + .error_func = fsck_error_cb_print_missing_gitmodules, \ .gitmodules_found = OIDSET_INIT, \ .gitmodules_done = OIDSET_INIT, \ .gitattributes_found = OIDSET_INIT, \ .gitattributes_done = OIDSET_INIT, \ - .error_func = fsck_error_function, \ +} + +struct fsck_options { + struct fsck_refs_options refs_options; + struct fsck_objs_options objs_options; + enum fsck_msg_type *msg_type; + unsigned strict:1, + verbose:1; +}; + +#define FSCK_OPTIONS_DEFAULT { \ + .refs_options = FSCK_REFS_OPTIONS_DEFAULT, \ + .objs_options = FSCK_OBJS_OPTIONS_DEFAULT, \ +} +#define FSCK_OPTIONS_STRICT { \ + .refs_options = FSCK_REFS_OPTIONS_DEFAULT, \ + .objs_options = FSCK_OBJS_OPTIONS_DEFAULT, \ + .strict = 1, \ } #define FSCK_OPTIONS_MISSING_GITMODULES { \ + .refs_options = FSCK_REFS_OPTIONS_DEFAULT, \ + .objs_options = FSCK_OBJS_OPTIONS_MISSING_GITMODULES, \ .strict = 1, \ - .gitmodules_found = OIDSET_INIT, \ - .gitmodules_done = OIDSET_INIT, \ - .gitattributes_found = OIDSET_INIT, \ - .gitattributes_done = OIDSET_INIT, \ - .error_func = fsck_error_cb_print_missing_gitmodules, \ } /* descend in all linked child objects @@ -209,6 +246,12 @@ int fsck_tag_standalone(const struct object_id *oid, const char *buffer, */ int fsck_finish(struct fsck_options *options); +__attribute__((format (printf, 4, 5))) +int fsck_refs_report(struct fsck_options *o, + const char *name, + enum fsck_msg_id msg_id, + const char *fmt, ...); + /* * Subsystem for storing human-readable names for each object. * diff --git a/object-file.c b/object-file.c index d3cf4b8b2e..b027d70725 100644 --- a/object-file.c +++ b/object-file.c @@ -2510,7 +2510,7 @@ static int index_mem(struct index_state *istate, struct fsck_options opts = FSCK_OPTIONS_DEFAULT; opts.strict = 1; - opts.error_func = hash_format_check_report; + opts.objs_options.error_func = hash_format_check_report; if (fsck_buffer(null_oid(), type, buf, size, &opts)) die(_("refusing to create malformed object")); fsck_finish(&opts);