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-rw-r--r--builtin/fsck.c172
1 files changed, 48 insertions, 124 deletions
diff --git a/builtin/fsck.c b/builtin/fsck.c
index 0794703..8b8bb42 100644
--- a/builtin/fsck.c
+++ b/builtin/fsck.c
@@ -38,14 +38,7 @@ static int show_dangling = 1;
#define ERROR_OBJECT 01
#define ERROR_REACHABLE 02
#define ERROR_PACK 04
-
-#ifdef NO_D_INO_IN_DIRENT
-#define SORT_DIRENT 0
-#define DIRENT_SORT_HINT(de) 0
-#else
-#define SORT_DIRENT 1
-#define DIRENT_SORT_HINT(de) ((de)->d_ino)
-#endif
+#define ERROR_REFS 010
static int fsck_config(const char *var, const char *value, void *cb)
{
@@ -373,102 +366,6 @@ static int fsck_obj_buffer(const unsigned char *sha1, enum object_type type,
return fsck_obj(obj);
}
-/*
- * This is the sorting chunk size: make it reasonably
- * big so that we can sort well..
- */
-#define MAX_SHA1_ENTRIES (1024)
-
-struct sha1_entry {
- unsigned long ino;
- unsigned char sha1[20];
-};
-
-static struct {
- unsigned long nr;
- struct sha1_entry *entry[MAX_SHA1_ENTRIES];
-} sha1_list;
-
-static int ino_compare(const void *_a, const void *_b)
-{
- const struct sha1_entry *a = _a, *b = _b;
- unsigned long ino1 = a->ino, ino2 = b->ino;
- return ino1 < ino2 ? -1 : ino1 > ino2 ? 1 : 0;
-}
-
-static void fsck_sha1_list(void)
-{
- int i, nr = sha1_list.nr;
-
- if (SORT_DIRENT)
- qsort(sha1_list.entry, nr,
- sizeof(struct sha1_entry *), ino_compare);
- for (i = 0; i < nr; i++) {
- struct sha1_entry *entry = sha1_list.entry[i];
- unsigned char *sha1 = entry->sha1;
-
- sha1_list.entry[i] = NULL;
- if (fsck_sha1(sha1))
- errors_found |= ERROR_OBJECT;
- free(entry);
- }
- sha1_list.nr = 0;
-}
-
-static void add_sha1_list(unsigned char *sha1, unsigned long ino)
-{
- struct sha1_entry *entry = xmalloc(sizeof(*entry));
- int nr;
-
- entry->ino = ino;
- hashcpy(entry->sha1, sha1);
- nr = sha1_list.nr;
- if (nr == MAX_SHA1_ENTRIES) {
- fsck_sha1_list();
- nr = 0;
- }
- sha1_list.entry[nr] = entry;
- sha1_list.nr = ++nr;
-}
-
-static inline int is_loose_object_file(struct dirent *de,
- char *name, unsigned char *sha1)
-{
- if (strlen(de->d_name) != 38)
- return 0;
- memcpy(name + 2, de->d_name, 39);
- return !get_sha1_hex(name, sha1);
-}
-
-static void fsck_dir(int i, char *path)
-{
- DIR *dir = opendir(path);
- struct dirent *de;
- char name[100];
-
- if (!dir)
- return;
-
- if (verbose)
- fprintf(stderr, "Checking directory %s\n", path);
-
- sprintf(name, "%02x", i);
- while ((de = readdir(dir)) != NULL) {
- unsigned char sha1[20];
-
- if (is_dot_or_dotdot(de->d_name))
- continue;
- if (is_loose_object_file(de, name, sha1)) {
- add_sha1_list(sha1, DIRENT_SORT_HINT(de));
- continue;
- }
- if (starts_with(de->d_name, "tmp_obj_"))
- continue;
- fprintf(stderr, "bad sha1 file: %s/%s\n", path, de->d_name);
- }
- closedir(dir);
-}
-
static int default_refs;
static void fsck_handle_reflog_sha1(const char *refname, unsigned char *sha1)
@@ -521,8 +418,10 @@ 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);
@@ -556,9 +455,28 @@ static void get_default_heads(void)
}
}
+static int fsck_loose(const unsigned char *sha1, const char *path, void *data)
+{
+ if (fsck_sha1(sha1))
+ errors_found |= ERROR_OBJECT;
+ return 0;
+}
+
+static int fsck_cruft(const char *basename, const char *path, void *data)
+{
+ if (!starts_with(basename, "tmp_obj_"))
+ fprintf(stderr, "bad sha1 file: %s\n", path);
+ return 0;
+}
+
+static int fsck_subdir(int nr, const char *path, void *progress)
+{
+ display_progress(progress, nr + 1);
+ return 0;
+}
+
static void fsck_object_dir(const char *path)
{
- int i;
struct progress *progress = NULL;
if (verbose)
@@ -566,14 +484,11 @@ static void fsck_object_dir(const char *path)
if (show_progress)
progress = start_progress(_("Checking object directories"), 256);
- for (i = 0; i < 256; i++) {
- static char dir[4096];
- sprintf(dir, "%s/%02x", path, i);
- fsck_dir(i, dir);
- display_progress(progress, i+1);
- }
+
+ for_each_loose_file_in_objdir(path, fsck_loose, fsck_cruft, fsck_subdir,
+ progress);
+ display_progress(progress, 256);
stop_progress(&progress);
- fsck_sha1_list();
}
static int fsck_head_link(void)
@@ -585,17 +500,23 @@ 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);
}
@@ -615,6 +536,7 @@ 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;
@@ -678,16 +600,18 @@ 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) {
fsck_object_dir(get_object_directory());
- prepare_alt_odb();
- for (alt = alt_odb_list; alt; alt = alt->next) {
- char namebuf[PATH_MAX];
- int namelen = alt->name - alt->base;
- memcpy(namebuf, alt->base, namelen);
- namebuf[namelen - 1] = 0;
- fsck_object_dir(namebuf);
+ prepare_alt_odb();
+ for (alt = alt_odb_list; alt; alt = alt->next) {
+ /* directory name, minus trailing slash */
+ size_t namelen = alt->name - alt->base - 1;
+ struct strbuf name = STRBUF_INIT;
+ strbuf_add(&name, alt->base, namelen);
+ fsck_object_dir(name.buf);
+ strbuf_release(&name);
+ }
}
if (check_full) {
generated by cgit v0.10.2-6-g49f6 at 2024-04-24 20:29:50 (GMT)