diff options
Diffstat (limited to 'builtin/fsck.c')
-rw-r--r-- | builtin/fsck.c | 100 |
1 files changed, 70 insertions, 30 deletions
diff --git a/builtin/fsck.c b/builtin/fsck.c index 2679793049..b9a74f0cf6 100644 --- a/builtin/fsck.c +++ b/builtin/fsck.c @@ -23,8 +23,11 @@ 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 struct object_id head_oid; static const char *head_points_at; static int errors_found; @@ -35,6 +38,7 @@ static int show_dangling = 1; #define ERROR_OBJECT 01 #define ERROR_REACHABLE 02 #define ERROR_PACK 04 +#define ERROR_REFS 010 #ifdef NO_D_INO_IN_DIRENT #define SORT_DIRENT 0 @@ -44,39 +48,52 @@ static int show_dangling = 1; #define DIRENT_SORT_HINT(de) ((de)->d_ino) #endif -static void objreport(struct object *obj, const char *severity, - const char *err, va_list params) +static int fsck_config(const char *var, const char *value, void *cb) { - fprintf(stderr, "%s in %s %s: ", - severity, typename(obj->type), sha1_to_hex(obj->sha1)); - vfprintf(stderr, err, params); - fputs("\n", stderr); + 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); } -__attribute__((format (printf, 2, 3))) -static int objerror(struct object *obj, const char *err, ...) +static void objreport(struct object *obj, const char *msg_type, + const char *err) +{ + fprintf(stderr, "%s in %s %s: %s\n", + msg_type, typename(obj->type), sha1_to_hex(obj->sha1), err); +} + +static int objerror(struct object *obj, const char *err) { - va_list params; - va_start(params, err); errors_found |= ERROR_OBJECT; - objreport(obj, "error", err, params); - va_end(params); + objreport(obj, "error", err); return -1; } -__attribute__((format (printf, 3, 4))) -static int fsck_error_func(struct object *obj, int type, const char *err, ...) +static int fsck_error_func(struct object *obj, int type, const char *message) { - va_list params; - va_start(params, err); - objreport(obj, (type == FSCK_WARN) ? "warning" : "error", err, params); - va_end(params); + objreport(obj, (type == FSCK_WARN) ? "warning" : "error", message); return (type == FSCK_WARN) ? 0 : 1; } static struct object_array pending; -static int mark_object(struct object *obj, int type, void *data) +static int mark_object(struct object *obj, int type, void *data, struct fsck_options *options) { struct object *parent = data; @@ -119,7 +136,7 @@ static int mark_object(struct object *obj, int type, void *data) static void mark_object_reachable(struct object *obj) { - mark_object(obj, OBJ_ANY, NULL); + mark_object(obj, OBJ_ANY, NULL, NULL); } static int traverse_one_object(struct object *obj) @@ -132,7 +149,7 @@ static int traverse_one_object(struct object *obj) if (parse_tree(tree) < 0) return 1; /* error already displayed */ } - result = fsck_walk(obj, mark_object, obj); + result = fsck_walk(obj, obj, &fsck_walk_options); if (tree) free_tree_buffer(tree); return result; @@ -158,7 +175,7 @@ static int traverse_reachable(void) return !!result; } -static int mark_used(struct object *obj, int type, void *data) +static int mark_used(struct object *obj, int type, void *data, struct fsck_options *options) { if (!obj) return 1; @@ -179,6 +196,8 @@ static void check_reachable_object(struct object *obj) if (!(obj->flags & HAS_OBJ)) { if (has_sha1_pack(obj->sha1)) return; /* it is in pack - forget about it */ + if (connectivity_only && has_sha1_file(obj->sha1)) + return; printf("missing %s %s\n", typename(obj->type), sha1_to_hex(obj->sha1)); errors_found |= ERROR_REACHABLE; return; @@ -225,13 +244,14 @@ static void check_unreachable_object(struct object *obj) printf("dangling %s %s\n", typename(obj->type), sha1_to_hex(obj->sha1)); if (write_lost_and_found) { - const char *filename = git_path("lost-found/%s/%s", + char *filename = git_pathdup("lost-found/%s/%s", obj->type == OBJ_COMMIT ? "commit" : "other", sha1_to_hex(obj->sha1)); FILE *f; if (safe_create_leading_directories_const(filename)) { error("Could not create lost-found"); + free(filename); return; } if (!(f = fopen(filename, "w"))) @@ -244,6 +264,7 @@ static void check_unreachable_object(struct object *obj) if (fclose(f)) die_errno("Could not finish '%s'", filename); + free(filename); } return; } @@ -296,9 +317,9 @@ static int fsck_obj(struct object *obj) fprintf(stderr, "Checking %s %s\n", typename(obj->type), sha1_to_hex(obj->sha1)); - if (fsck_walk(obj, mark_used, NULL)) + if (fsck_walk(obj, NULL, &fsck_obj_options)) objerror(obj, "broken links"); - if (fsck_object(obj, NULL, 0, check_strict, fsck_error_func)) + if (fsck_object(obj, NULL, 0, &fsck_obj_options)) return -1; if (obj->type == OBJ_TREE) { @@ -501,8 +522,10 @@ static int fsck_handle_ref(const char *refname, const struct object_id *oid, /* We'll continue with the rest despite the error.. */ return 0; } - if (obj->type != OBJ_COMMIT && is_branch(refname)) + if (obj->type != OBJ_COMMIT && is_branch(refname)) { error("%s: not a commit", refname); + errors_found |= ERROR_REFS; + } default_refs++; obj->used = 1; mark_object_reachable(obj); @@ -565,17 +588,23 @@ static int fsck_head_link(void) fprintf(stderr, "Checking HEAD link\n"); head_points_at = resolve_ref_unsafe("HEAD", 0, head_oid.hash, &flag); - if (!head_points_at) + if (!head_points_at) { + errors_found |= ERROR_REFS; return error("Invalid HEAD"); + } if (!strcmp(head_points_at, "HEAD")) /* detached HEAD */ null_is_error = 1; - else if (!starts_with(head_points_at, "refs/heads/")) + else if (!starts_with(head_points_at, "refs/heads/")) { + errors_found |= ERROR_REFS; return error("HEAD points to something strange (%s)", head_points_at); + } if (is_null_oid(&head_oid)) { - if (null_is_error) + if (null_is_error) { + errors_found |= ERROR_REFS; return error("HEAD: detached HEAD points at nothing"); + } fprintf(stderr, "notice: HEAD points to an unborn branch (%s)\n", head_points_at + 11); } @@ -595,6 +624,7 @@ static int fsck_cache_tree(struct cache_tree *it) if (!obj) { error("%s: invalid sha1 pointer in cache-tree", sha1_to_hex(it->sha1)); + errors_found |= ERROR_REFS; return 1; } obj->used = 1; @@ -621,6 +651,7 @@ static struct option fsck_opts[] = { 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")), @@ -638,6 +669,12 @@ 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; + if (check_strict) + fsck_obj_options.strict = 1; + if (show_progress == -1) show_progress = isatty(2); if (verbose) @@ -648,8 +685,11 @@ int cmd_fsck(int argc, const char **argv, const char *prefix) include_reflogs = 0; } + git_config(fsck_config, NULL); + fsck_head_link(); - fsck_object_dir(get_object_directory()); + if (!connectivity_only) + fsck_object_dir(get_object_directory()); prepare_alt_odb(); for (alt = alt_odb_list; alt; alt = alt->next) { |