-#include <sys/types.h>
-#include <dirent.h>
-
#include "cache.h"
#include "commit.h"
#include "tree.h"
#include "refs.h"
#include "pack.h"
#include "cache-tree.h"
+#include "tree-walk.h"
#define REACHABLE 0x0001
-
-static int show_root = 0;
-static int show_tags = 0;
-static int show_unreachable = 0;
-static int check_full = 0;
-static int check_strict = 0;
-static int keep_cache_objects = 0;
+#define SEEN 0x0002
+
+static int show_root;
+static int show_tags;
+static int show_unreachable;
+static int check_full;
+static int check_strict;
+static int keep_cache_objects;
static unsigned char head_sha1[20];
#ifdef NO_D_INO_IN_DIRENT
const char *err, va_list params)
{
fprintf(stderr, "%s in %s %s: ",
- severity, obj->type, sha1_to_hex(obj->sha1));
+ severity, typename(obj->type), sha1_to_hex(obj->sha1));
vfprintf(stderr, err, params);
fputs("\n", stderr);
}
static void check_connectivity(void)
{
- int i;
+ int i, max;
/* Look up all the requirements, warn about missing objects.. */
- for (i = 0; i < obj_allocs; i++) {
- struct object *obj = objs[i];
+ max = get_max_object_index();
+ for (i = 0; i < max; i++) {
+ const struct object_refs *refs;
+ struct object *obj = get_indexed_object(i);
if (!obj)
continue;
; /* it is in pack */
else
printf("missing %s %s\n",
- obj->type, sha1_to_hex(obj->sha1));
+ typename(obj->type), sha1_to_hex(obj->sha1));
continue;
}
- if (obj->refs) {
- const struct object_refs *refs = obj->refs;
+ refs = lookup_object_refs(obj);
+ if (refs) {
unsigned j;
for (j = 0; j < refs->count; j++) {
struct object *ref = refs->ref[j];
(has_sha1_file(ref->sha1)))
continue;
printf("broken link from %7s %s\n",
- obj->type, sha1_to_hex(obj->sha1));
+ typename(obj->type), sha1_to_hex(obj->sha1));
printf(" to %7s %s\n",
- ref->type, sha1_to_hex(ref->sha1));
+ typename(ref->type), sha1_to_hex(ref->sha1));
}
}
if (show_unreachable && !(obj->flags & REACHABLE)) {
printf("unreachable %s %s\n",
- obj->type, sha1_to_hex(obj->sha1));
+ typename(obj->type), sha1_to_hex(obj->sha1));
continue;
}
if (!obj->used) {
- printf("dangling %s %s\n", obj->type,
+ printf("dangling %s %s\n", typename(obj->type),
sha1_to_hex(obj->sha1));
}
}
#define TREE_UNORDERED (-1)
#define TREE_HAS_DUPS (-2)
-static int verify_ordered(struct tree_entry_list *a, struct tree_entry_list *b)
+static int verify_ordered(unsigned mode1, const char *name1, unsigned mode2, const char *name2)
{
- int len1 = strlen(a->name);
- int len2 = strlen(b->name);
+ int len1 = strlen(name1);
+ int len2 = strlen(name2);
int len = len1 < len2 ? len1 : len2;
unsigned char c1, c2;
int cmp;
- cmp = memcmp(a->name, b->name, len);
+ cmp = memcmp(name1, name2, len);
if (cmp < 0)
return 0;
if (cmp > 0)
* Now we need to order the next one, but turn
* a '\0' into a '/' for a directory entry.
*/
- c1 = a->name[len];
- c2 = b->name[len];
+ c1 = name1[len];
+ c2 = name2[len];
if (!c1 && !c2)
/*
* git-write-tree used to write out a nonsense tree that has
* sure we do not have duplicate entries.
*/
return TREE_HAS_DUPS;
- if (!c1 && a->directory)
+ if (!c1 && S_ISDIR(mode1))
c1 = '/';
- if (!c2 && b->directory)
+ if (!c2 && S_ISDIR(mode2))
c2 = '/';
return c1 < c2 ? 0 : TREE_UNORDERED;
}
int has_bad_modes = 0;
int has_dup_entries = 0;
int not_properly_sorted = 0;
- struct tree_entry_list *entry, *last;
+ struct tree_desc desc;
+ unsigned o_mode;
+ const char *o_name;
+ const unsigned char *o_sha1;
+
+ desc.buf = item->buffer;
+ desc.size = item->size;
- last = NULL;
- for (entry = item->entries; entry; entry = entry->next) {
- if (strchr(entry->name, '/'))
+ o_mode = 0;
+ o_name = NULL;
+ o_sha1 = NULL;
+ while (desc.size) {
+ unsigned mode;
+ const char *name;
+ const unsigned char *sha1;
+
+ sha1 = tree_entry_extract(&desc, &name, &mode);
+
+ if (strchr(name, '/'))
has_full_path = 1;
- has_zero_pad |= entry->zeropad;
+ has_zero_pad |= *(char *)desc.buf == '0';
+ update_tree_entry(&desc);
- switch (entry->mode) {
+ switch (mode) {
/*
- * Standard modes..
+ * Standard modes..
*/
case S_IFREG | 0755:
case S_IFREG | 0644:
has_bad_modes = 1;
}
- if (last) {
- switch (verify_ordered(last, entry)) {
+ if (o_name) {
+ switch (verify_ordered(o_mode, o_name, mode, name)) {
case TREE_UNORDERED:
not_properly_sorted = 1;
break;
default:
break;
}
- free(last->name);
- free(last);
}
- last = entry;
+ o_mode = mode;
+ o_name = name;
+ o_sha1 = sha1;
}
- if (last) {
- free(last->name);
- free(last);
- }
- item->entries = NULL;
+ free(item->buffer);
+ item->buffer = NULL;
retval = 0;
if (has_full_path) {
if (!show_tags)
return 0;
- printf("tagged %s %s", tagged->type, sha1_to_hex(tagged->sha1));
+ printf("tagged %s %s", typename(tagged->type), sha1_to_hex(tagged->sha1));
printf(" (%s) in %s\n", tag->tag, sha1_to_hex(tag->object.sha1));
return 0;
}
{
struct object *obj = parse_object(sha1);
if (!obj)
- return error("%s: object not found", sha1_to_hex(sha1));
- if (obj->type == blob_type)
+ return error("%s: object corrupt or missing", sha1_to_hex(sha1));
+ if (obj->flags & SEEN)
+ return 0;
+ obj->flags |= SEEN;
+ if (obj->type == OBJ_BLOB)
return 0;
- if (obj->type == tree_type)
+ if (obj->type == OBJ_TREE)
return fsck_tree((struct tree *) obj);
- if (obj->type == commit_type)
+ if (obj->type == OBJ_COMMIT)
return fsck_commit((struct commit *) obj);
- if (obj->type == tag_type)
+ if (obj->type == OBJ_TAG)
return fsck_tag((struct tag *) obj);
/* By now, parse_object() would've returned NULL instead. */
- return objerror(obj, "unknown type '%s' (internal fsck error)", obj->type);
+ return objerror(obj, "unknown type '%d' (internal fsck error)", obj->type);
}
/*
int nr;
entry->ino = ino;
- memcpy(entry->sha1, sha1, 20);
+ hashcpy(entry->sha1, sha1);
nr = sha1_list.nr;
if (nr == MAX_SHA1_ENTRIES) {
fsck_sha1_list();
sha1_list.nr = ++nr;
}
-static int fsck_dir(int i, char *path)
+static void fsck_dir(int i, char *path)
{
DIR *dir = opendir(path);
struct dirent *de;
if (!dir)
- return 0;
+ return;
while ((de = readdir(dir)) != NULL) {
char name[100];
fprintf(stderr, "bad sha1 file: %s/%s\n", path, de->d_name);
}
closedir(dir);
- return 0;
}
-static int default_refs = 0;
+static int default_refs;
-static int fsck_handle_ref(const char *refname, const unsigned char *sha1)
+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)
+{
+ struct object *obj;
+
+ if (!is_null_sha1(osha1)) {
+ obj = lookup_object(osha1);
+ if (obj) {
+ obj->used = 1;
+ mark_reachable(obj, REACHABLE);
+ }
+ }
+ obj = lookup_object(nsha1);
+ if (obj) {
+ obj->used = 1;
+ mark_reachable(obj, REACHABLE);
+ }
+ return 0;
+}
+
+static int fsck_handle_ref(const char *refname, const unsigned char *sha1, int flag, void *cb_data)
{
struct object *obj;
default_refs++;
obj->used = 1;
mark_reachable(obj, REACHABLE);
+
+ for_each_reflog_ent(refname, fsck_handle_reflog_ent, NULL);
+
return 0;
}
static void get_default_heads(void)
{
- for_each_ref(fsck_handle_ref);
- if (!default_refs)
- die("No default references");
+ for_each_ref(fsck_handle_ref, NULL);
+
+ /*
+ * Not having any default heads isn't really fatal, but
+ * it does mean that "--unreachable" no longer makes any
+ * sense (since in this case everything will obviously
+ * be unreachable by definition.
+ *
+ * Showing dangling objects is valid, though (as those
+ * dangling objects are likely lost heads).
+ *
+ * So we just print a warning about it, and clear the
+ * "show_unreachable" flag.
+ */
+ if (!default_refs) {
+ error("No default references");
+ show_unreachable = 0;
+ }
}
static void fsck_object_dir(const char *path)
static int fsck_head_link(void)
{
unsigned char sha1[20];
- const char *git_HEAD = strdup(git_path("HEAD"));
- const char *git_refs_heads_master = resolve_ref(git_HEAD, sha1, 1);
- int pfxlen = strlen(git_HEAD) - 4; /* strip .../.git/ part */
+ int flag;
+ const char *head_points_at = resolve_ref("HEAD", sha1, 1, &flag);
- if (!git_refs_heads_master)
+ if (!head_points_at || !(flag & REF_ISSYMREF))
return error("HEAD is not a symbolic ref");
- if (strncmp(git_refs_heads_master + pfxlen, "refs/heads/", 11))
+ if (strncmp(head_points_at, "refs/heads/", 11))
return error("HEAD points to something strange (%s)",
- git_refs_heads_master + pfxlen);
- if (!memcmp(null_sha1, sha1, 20))
+ head_points_at);
+ if (is_null_sha1(sha1))
return error("HEAD: not a valid git pointer");
return 0;
}
}
mark_reachable(obj, REACHABLE);
obj->used = 1;
- if (obj->type != tree_type)
+ if (obj->type != OBJ_TREE)
err |= objerror(obj, "non-tree in cache-tree");
}
for (i = 0; i < it->subtree_nr; i++)
{
int i, heads;
+ track_object_refs = 1;
setup_git_directory();
for (i = 1; i < argc; i++) {