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Diffstat (limited to 'builtin/fsck.c')
-rw-r--r--builtin/fsck.c199
1 files changed, 116 insertions, 83 deletions
diff --git a/builtin/fsck.c b/builtin/fsck.c
index bb9a2cd447..079470342f 100644
--- a/builtin/fsck.c
+++ b/builtin/fsck.c
@@ -16,15 +16,19 @@
#define REACHABLE 0x0001
#define SEEN 0x0002
+#define HAS_OBJ 0x0004
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 unsigned char head_sha1[20];
+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;
static int write_lost_and_found;
@@ -43,39 +47,52 @@ 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);
+}
+
+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);
}
-__attribute__((format (printf, 2, 3)))
-static int objerror(struct object *obj, const char *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;
@@ -101,7 +118,7 @@ static int mark_object(struct object *obj, int type, void *data)
if (obj->flags & REACHABLE)
return 0;
obj->flags |= REACHABLE;
- if (!obj->parsed) {
+ if (!(obj->flags & HAS_OBJ)) {
if (parent && !has_sha1_file(obj->sha1)) {
printf("broken link from %7s %s\n",
typename(parent->type), sha1_to_hex(parent->sha1));
@@ -112,13 +129,13 @@ static int mark_object(struct object *obj, int type, void *data)
return 1;
}
- add_object_array(obj, (void *) parent, &pending);
+ add_object_array(obj, NULL, &pending);
return 0;
}
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)
@@ -127,16 +144,13 @@ static int traverse_one_object(struct object *obj)
struct tree *tree = NULL;
if (obj->type == OBJ_TREE) {
- obj->parsed = 0;
tree = (struct tree *)obj;
if (parse_tree(tree) < 0)
return 1; /* error already displayed */
}
- result = fsck_walk(obj, mark_object, obj);
- if (tree) {
- free(tree->buffer);
- tree->buffer = NULL;
- }
+ result = fsck_walk(obj, obj, &fsck_walk_options);
+ if (tree)
+ free_tree_buffer(tree);
return result;
}
@@ -146,7 +160,7 @@ static int traverse_reachable(void)
unsigned int nr = 0;
int result = 0;
if (show_progress)
- progress = start_progress_delay("Checking connectivity", 0, 0, 2);
+ progress = start_progress_delay(_("Checking connectivity"), 0, 0, 2);
while (pending.nr) {
struct object_array_entry *entry;
struct object *obj;
@@ -160,7 +174,7 @@ 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;
@@ -178,9 +192,11 @@ static void check_reachable_object(struct object *obj)
* except if it was in a pack-file and we didn't
* do a full fsck
*/
- if (!obj->parsed) {
+ 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;
@@ -227,13 +243,14 @@ 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) {
- 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(filename)) {
+ if (safe_create_leading_directories_const(filename)) {
error("Could not create lost-found");
+ free(filename);
return;
}
if (!(f = fopen(filename, "w")))
@@ -246,6 +263,7 @@ static void check_unreachable_object(struct object *obj)
if (fclose(f))
die_errno("Could not finish '%s'",
filename);
+ free(filename);
}
return;
}
@@ -298,23 +316,21 @@ 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, check_strict, fsck_error_func))
+ if (fsck_object(obj, NULL, 0, &fsck_obj_options))
return -1;
if (obj->type == OBJ_TREE) {
struct tree *item = (struct tree *) obj;
- free(item->buffer);
- item->buffer = NULL;
+ free_tree_buffer(item);
}
if (obj->type == OBJ_COMMIT) {
struct commit *commit = (struct commit *) obj;
- free(commit->buffer);
- commit->buffer = NULL;
+ free_commit_buffer(commit);
if (!commit->parents && show_root)
printf("root %s\n", sha1_to_hex(commit->object.sha1));
@@ -340,6 +356,7 @@ static int fsck_sha1(const unsigned char *sha1)
return error("%s: object corrupt or missing",
sha1_to_hex(sha1));
}
+ obj->flags |= HAS_OBJ;
return fsck_obj(obj);
}
@@ -352,6 +369,7 @@ static int fsck_obj_buffer(const unsigned char *sha1, enum object_type type,
errors_found |= ERROR_OBJECT;
return error("%s: object corrupt or missing", sha1_to_hex(sha1));
}
+ obj->flags = HAS_OBJ;
return fsck_obj(obj);
}
@@ -390,7 +408,8 @@ static void fsck_sha1_list(void)
unsigned char *sha1 = entry->sha1;
sha1_list.entry[i] = NULL;
- fsck_sha1(sha1);
+ if (fsck_sha1(sha1))
+ errors_found |= ERROR_OBJECT;
free(entry);
}
sha1_list.nr = 0;
@@ -443,7 +462,7 @@ static void fsck_dir(int i, char *path)
add_sha1_list(sha1, DIRENT_SORT_HINT(de));
continue;
}
- if (!prefixcmp(de->d_name, "tmp_obj_"))
+ if (starts_with(de->d_name, "tmp_obj_"))
continue;
fprintf(stderr, "bad sha1 file: %s/%s\n", path, de->d_name);
}
@@ -452,49 +471,53 @@ static void fsck_dir(int i, char *path)
static int default_refs;
-static int fsck_handle_reflog_ent(unsigned char *osha1, unsigned char *nsha1,
- const char *email, unsigned long timestamp, int tz,
- const char *message, void *cb_data)
+static void fsck_handle_reflog_sha1(const char *refname, unsigned char *sha1)
{
struct object *obj;
- if (verbose)
- fprintf(stderr, "Checking reflog %s->%s\n",
- sha1_to_hex(osha1), sha1_to_hex(nsha1));
-
- if (!is_null_sha1(osha1)) {
- obj = lookup_object(osha1);
+ if (!is_null_sha1(sha1)) {
+ obj = lookup_object(sha1);
if (obj) {
obj->used = 1;
mark_object_reachable(obj);
+ } else {
+ error("%s: invalid reflog entry %s", refname, sha1_to_hex(sha1));
+ errors_found |= ERROR_REACHABLE;
}
}
- obj = lookup_object(nsha1);
- if (obj) {
- obj->used = 1;
- mark_object_reachable(obj);
- }
- return 0;
}
-static int fsck_handle_reflog(const char *logname, const unsigned char *sha1, int flag, void *cb_data)
+static int fsck_handle_reflog_ent(unsigned char *osha1, unsigned char *nsha1,
+ const char *email, unsigned long timestamp, int tz,
+ const char *message, void *cb_data)
{
- for_each_reflog_ent(logname, fsck_handle_reflog_ent, NULL);
+ const char *refname = cb_data;
+
+ if (verbose)
+ fprintf(stderr, "Checking reflog %s->%s\n",
+ sha1_to_hex(osha1), sha1_to_hex(nsha1));
+
+ fsck_handle_reflog_sha1(refname, osha1);
+ fsck_handle_reflog_sha1(refname, nsha1);
return 0;
}
-static int is_branch(const char *refname)
+static int fsck_handle_reflog(const char *logname, const struct object_id *oid,
+ int flag, void *cb_data)
{
- return !strcmp(refname, "HEAD") || !prefixcmp(refname, "refs/heads/");
+ for_each_reflog_ent(logname, fsck_handle_reflog_ent, (void *)logname);
+ return 0;
}
-static int fsck_handle_ref(const char *refname, const unsigned char *sha1, int flag, void *cb_data)
+static int fsck_handle_ref(const char *refname, const struct object_id *oid,
+ int flag, void *cb_data)
{
struct object *obj;
- obj = parse_object(sha1);
+ obj = parse_object(oid->hash);
if (!obj) {
- error("%s: invalid sha1 pointer %s", refname, sha1_to_hex(sha1));
+ 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;
}
@@ -509,9 +532,9 @@ static int fsck_handle_ref(const char *refname, const unsigned char *sha1, int f
static void get_default_heads(void)
{
- if (head_points_at && !is_null_sha1(head_sha1))
- fsck_handle_ref("HEAD", head_sha1, 0, NULL);
- for_each_ref(fsck_handle_ref, NULL);
+ if (head_points_at && !is_null_oid(&head_oid))
+ fsck_handle_ref("HEAD", &head_oid, 0, NULL);
+ for_each_rawref(fsck_handle_ref, NULL);
if (include_reflogs)
for_each_reflog(fsck_handle_reflog, NULL);
@@ -542,7 +565,7 @@ static void fsck_object_dir(const char *path)
fprintf(stderr, "Checking object directory\n");
if (show_progress)
- progress = start_progress("Checking object directories", 256);
+ progress = start_progress(_("Checking object directories"), 256);
for (i = 0; i < 256; i++) {
static char dir[4096];
sprintf(dir, "%s/%02x", path, i);
@@ -561,16 +584,16 @@ static int fsck_head_link(void)
if (verbose)
fprintf(stderr, "Checking HEAD link\n");
- head_points_at = resolve_ref_unsafe("HEAD", head_sha1, 0, &flag);
+ head_points_at = resolve_ref_unsafe("HEAD", 0, head_oid.hash, &flag);
if (!head_points_at)
return error("Invalid HEAD");
if (!strcmp(head_points_at, "HEAD"))
/* detached HEAD */
null_is_error = 1;
- else if (prefixcmp(head_points_at, "refs/heads/"))
+ else if (!starts_with(head_points_at, "refs/heads/"))
return error("HEAD points to something strange (%s)",
head_points_at);
- if (is_null_sha1(head_sha1)) {
+ if (is_null_oid(&head_oid)) {
if (null_is_error)
return error("HEAD: detached HEAD points at nothing");
fprintf(stderr, "notice: HEAD points to an unborn branch (%s)\n",
@@ -605,21 +628,22 @@ static int fsck_cache_tree(struct cache_tree *it)
}
static char const * const fsck_usage[] = {
- N_("git fsck [options] [<object>...]"),
+ N_("git fsck [<options>] [<object>...]"),
NULL
};
static struct option fsck_opts[] = {
OPT__VERBOSE(&verbose, N_("be verbose")),
- OPT_BOOLEAN(0, "unreachable", &show_unreachable, N_("show unreachable objects")),
+ OPT_BOOL(0, "unreachable", &show_unreachable, N_("show unreachable objects")),
OPT_BOOL(0, "dangling", &show_dangling, N_("show dangling objects")),
- OPT_BOOLEAN(0, "tags", &show_tags, N_("report tags")),
- OPT_BOOLEAN(0, "root", &show_root, N_("report root nodes")),
- OPT_BOOLEAN(0, "cache", &keep_cache_objects, N_("make index objects head nodes")),
- OPT_BOOLEAN(0, "reflogs", &include_reflogs, N_("make reflogs head nodes (default)")),
- OPT_BOOLEAN(0, "full", &check_full, N_("also consider packs and alternate objects")),
- OPT_BOOLEAN(0, "strict", &check_strict, N_("enable more strict checking")),
- OPT_BOOLEAN(0, "lost-found", &write_lost_and_found,
+ 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_END(),
@@ -631,10 +655,16 @@ int cmd_fsck(int argc, const char **argv, const char *prefix)
struct alternate_object_database *alt;
errors_found = 0;
- read_replace_refs = 0;
+ check_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)
@@ -645,8 +675,11 @@ 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) {
@@ -671,7 +704,7 @@ int cmd_fsck(int argc, const char **argv, const char *prefix)
total += p->num_objects;
}
- progress = start_progress("Checking objects", total);
+ progress = start_progress(_("Checking objects"), total);
}
for (p = packed_git; p; p = p->next) {
/* verify gives error messages itself */
generated by cgit v1.2.3 (git 2.25.1) at 2025-01-05 07:20:20 +0000