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Diffstat (limited to 'builtin/fsck.c')
-rw-r--r--builtin/fsck.c164
1 files changed, 114 insertions, 50 deletions
diff --git a/builtin/fsck.c b/builtin/fsck.c
index f01b81e..1a5cacc 100644
--- a/builtin/fsck.c
+++ b/builtin/fsck.c
@@ -56,6 +56,23 @@ static const char *describe_object(struct object *obj)
return buf.buf;
}
+static const char *printable_type(struct object *obj)
+{
+ const char *ret;
+
+ if (obj->type == OBJ_NONE) {
+ enum object_type type = sha1_object_info(obj->oid.hash, NULL);
+ if (type > 0)
+ object_as_type(obj, type, 0);
+ }
+
+ ret = typename(obj->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) {
@@ -83,7 +100,7 @@ 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), describe_object(obj), err);
+ msg_type, printable_type(obj), describe_object(obj), err);
}
static int objerror(struct object *obj, const char *err)
@@ -114,7 +131,7 @@ static int mark_object(struct object *obj, int type, void *data, struct fsck_opt
if (!obj) {
/* ... these references to parent->fld are safe here */
printf("broken link from %7s %s\n",
- typename(parent->type), describe_object(parent));
+ printable_type(parent), describe_object(parent));
printf("broken link from %7s %s\n",
(type == OBJ_ANY ? "unknown" : typename(type)), "unknown");
errors_found |= ERROR_REACHABLE;
@@ -131,9 +148,9 @@ static int mark_object(struct object *obj, int type, void *data, struct fsck_opt
if (!(obj->flags & HAS_OBJ)) {
if (parent && !has_object_file(&obj->oid)) {
printf("broken link from %7s %s\n",
- typename(parent->type), describe_object(parent));
+ printable_type(parent), describe_object(parent));
printf(" to %7s %s\n",
- typename(obj->type), describe_object(obj));
+ printable_type(obj), describe_object(obj));
errors_found |= ERROR_REACHABLE;
}
return 1;
@@ -205,9 +222,7 @@ static void check_reachable_object(struct object *obj)
if (!(obj->flags & HAS_OBJ)) {
if (has_sha1_pack(obj->oid.hash))
return; /* it is in pack - forget about it */
- if (connectivity_only && has_object_file(&obj->oid))
- return;
- printf("missing %s %s\n", typename(obj->type),
+ printf("missing %s %s\n", printable_type(obj),
describe_object(obj));
errors_found |= ERROR_REACHABLE;
return;
@@ -225,7 +240,7 @@ static void check_unreachable_object(struct object *obj)
* to complain about it being unreachable (since it does
* not exist).
*/
- if (!obj->parsed)
+ if (!(obj->flags & HAS_OBJ))
return;
/*
@@ -233,7 +248,7 @@ static void check_unreachable_object(struct object *obj)
* since this is something that is prunable.
*/
if (show_unreachable) {
- printf("unreachable %s %s\n", typename(obj->type),
+ printf("unreachable %s %s\n", printable_type(obj),
describe_object(obj));
return;
}
@@ -252,7 +267,7 @@ static void check_unreachable_object(struct object *obj)
*/
if (!obj->used) {
if (show_dangling)
- printf("dangling %s %s\n", typename(obj->type),
+ printf("dangling %s %s\n", printable_type(obj),
describe_object(obj));
if (write_lost_and_found) {
char *filename = git_pathdup("lost-found/%s/%s",
@@ -326,7 +341,7 @@ static int fsck_obj(struct object *obj)
if (verbose)
fprintf(stderr, "Checking %s %s\n",
- typename(obj->type), describe_object(obj));
+ printable_type(obj), describe_object(obj));
if (fsck_walk(obj, NULL, &fsck_obj_options))
objerror(obj, "broken links");
@@ -352,7 +367,7 @@ static int fsck_obj(struct object *obj)
struct tag *tag = (struct tag *) obj;
if (show_tags && tag->tagged) {
- printf("tagged %s %s", typename(tag->tagged->type),
+ printf("tagged %s %s", printable_type(tag->tagged),
describe_object(tag->tagged));
printf(" (%s) in %s\n", tag->tag,
describe_object(&tag->object));
@@ -362,18 +377,6 @@ static int fsck_obj(struct object *obj)
return 0;
}
-static int fsck_sha1(const unsigned char *sha1)
-{
- struct object *obj = parse_object(sha1);
- if (!obj) {
- errors_found |= ERROR_OBJECT;
- return error("%s: object corrupt or missing",
- sha1_to_hex(sha1));
- }
- obj->flags |= HAS_OBJ;
- return fsck_obj(obj);
-}
-
static int fsck_obj_buffer(const unsigned char *sha1, enum object_type type,
unsigned long size, void *buffer, int *eaten)
{
@@ -400,7 +403,7 @@ static void fsck_handle_reflog_sha1(const char *refname, unsigned char *sha1,
if (!is_null_sha1(sha1)) {
obj = lookup_object(sha1);
- if (obj) {
+ if (obj && (obj->flags & HAS_OBJ)) {
if (timestamp && name_objects)
add_decoration(fsck_walk_options.object_names,
obj,
@@ -488,9 +491,41 @@ static void get_default_heads(void)
}
}
+static struct object *parse_loose_object(const unsigned char *sha1,
+ const char *path)
+{
+ struct object *obj;
+ void *contents;
+ enum object_type type;
+ unsigned long size;
+ int eaten;
+
+ if (read_loose_object(path, sha1, &type, &size, &contents) < 0)
+ return NULL;
+
+ if (!contents && type != OBJ_BLOB)
+ die("BUG: read_loose_object streamed a non-blob");
+
+ obj = parse_object_buffer(sha1, type, size, contents, &eaten);
+
+ if (!eaten)
+ free(contents);
+ return obj;
+}
+
static int fsck_loose(const unsigned char *sha1, const char *path, void *data)
{
- if (fsck_sha1(sha1))
+ struct object *obj = parse_loose_object(sha1, path);
+
+ if (!obj) {
+ errors_found |= ERROR_OBJECT;
+ error("%s: object corrupt or missing: %s",
+ sha1_to_hex(sha1), path);
+ return 0; /* keep checking other objects */
+ }
+
+ obj->flags = HAS_OBJ;
+ if (fsck_obj(obj))
errors_found |= ERROR_OBJECT;
return 0;
}
@@ -584,6 +619,29 @@ static int fsck_cache_tree(struct cache_tree *it)
return err;
}
+static void mark_object_for_connectivity(const unsigned char *sha1)
+{
+ struct object *obj = lookup_unknown_object(sha1);
+ obj->flags |= HAS_OBJ;
+}
+
+static int mark_loose_for_connectivity(const unsigned char *sha1,
+ const char *path,
+ void *data)
+{
+ mark_object_for_connectivity(sha1);
+ return 0;
+}
+
+static int mark_packed_for_connectivity(const unsigned char *sha1,
+ struct packed_git *pack,
+ uint32_t pos,
+ void *data)
+{
+ mark_object_for_connectivity(sha1);
+ return 0;
+}
+
static char const * const fsck_usage[] = {
N_("git fsck [<options>] [<object>...]"),
NULL
@@ -640,38 +698,41 @@ int cmd_fsck(int argc, const char **argv, const char *prefix)
git_config(fsck_config, NULL);
fsck_head_link();
- if (!connectivity_only) {
+ if (connectivity_only) {
+ for_each_loose_object(mark_loose_for_connectivity, NULL, 0);
+ for_each_packed_object(mark_packed_for_connectivity, NULL, 0);
+ } else {
fsck_object_dir(get_object_directory());
prepare_alt_odb();
for (alt = alt_odb_list; alt; alt = alt->next)
fsck_object_dir(alt->path);
- }
- if (check_full) {
- struct packed_git *p;
- uint32_t total = 0, count = 0;
- struct progress *progress = NULL;
+ if (check_full) {
+ struct packed_git *p;
+ uint32_t total = 0, count = 0;
+ struct progress *progress = NULL;
- prepare_packed_git();
+ prepare_packed_git();
- if (show_progress) {
+ if (show_progress) {
+ for (p = packed_git; p; p = p->next) {
+ if (open_pack_index(p))
+ continue;
+ total += p->num_objects;
+ }
+
+ progress = start_progress(_("Checking objects"), total);
+ }
for (p = packed_git; p; p = p->next) {
- if (open_pack_index(p))
- continue;
- total += p->num_objects;
+ /* verify gives error messages itself */
+ if (verify_pack(p, fsck_obj_buffer,
+ progress, count))
+ errors_found |= ERROR_PACK;
+ count += p->num_objects;
}
-
- progress = start_progress(_("Checking objects"), total);
+ stop_progress(&progress);
}
- for (p = packed_git; p; p = p->next) {
- /* verify gives error messages itself */
- if (verify_pack(p, fsck_obj_buffer,
- progress, count))
- errors_found |= ERROR_PACK;
- count += p->num_objects;
- }
- stop_progress(&progress);
}
heads = 0;
@@ -681,9 +742,11 @@ int cmd_fsck(int argc, const char **argv, const char *prefix)
if (!get_sha1(arg, sha1)) {
struct object *obj = lookup_object(sha1);
- /* Error is printed by lookup_object(). */
- if (!obj)
+ if (!obj || !(obj->flags & HAS_OBJ)) {
+ error("%s: object missing", sha1_to_hex(sha1));
+ errors_found |= ERROR_OBJECT;
continue;
+ }
obj->used = 1;
if (name_objects)
@@ -694,6 +757,7 @@ int cmd_fsck(int argc, const char **argv, const char *prefix)
continue;
}
error("invalid parameter: expected sha1, got '%s'", arg);
+ errors_found |= ERROR_OBJECT;
}
/*
@@ -701,7 +765,7 @@ int cmd_fsck(int argc, const char **argv, const char *prefix)
* default ones from .git/refs. We also consider the index file
* in this case (ie this implies --cache).
*/
- if (!heads) {
+ if (!argc) {
get_default_heads();
keep_cache_objects = 1;
}