Automatic merge of /home/torvalds/junkio/.git/
authorLinus Torvalds <torvalds@ppc970.osdl.org>
Tue, 3 May 2005 14:30:10 +0000 (07:30 -0700)
committerLinus Torvalds <torvalds@ppc970.osdl.org>
Tue, 3 May 2005 14:30:10 +0000 (07:30 -0700)
convert-cache.c
fsck-cache.c
tree.c
tree.h

index 4d34d2d..93e477a 100644 (file)
@@ -99,7 +99,7 @@ static int write_subdirectory(void *buffer, unsigned long size, const char *base
                        continue;
                }
 
-               newlen += sprintf(new + newlen, "%o %.*s", S_IFDIR, slash - path, path);
+               newlen += sprintf(new + newlen, "%o %.*s", S_IFDIR, (int)(slash - path), path);
                new[newlen++] = 0;
                sha1 = (unsigned char *)(new + newlen);
                newlen += 20;
index fbcd2b6..637aede 100644 (file)
@@ -34,7 +34,7 @@ static void check_connectivity(void)
                        printf("broken link from %7s %s\n",
                               obj->type, sha1_to_hex(obj->sha1));
                        printf("              to %7s %s\n",
-                              obj->type, sha1_to_hex(refs->item->sha1));
+                              refs->item->type, sha1_to_hex(refs->item->sha1));
                }
 
                /* Don't bother with tag reachability. */
@@ -53,13 +53,69 @@ static void check_connectivity(void)
        }
 }
 
+/*
+ * The entries in a tree are ordered in the _path_ order,
+ * which means that a directory entry is ordered by adding
+ * a slash to the end of it.
+ *
+ * So a directory called "a" is ordered _after_ a file
+ * called "a.c", because "a/" sorts after "a.c".
+ */
+static int verify_ordered(struct tree_entry_list *a, struct tree_entry_list *b)
+{
+       int len1 = strlen(a->name);
+       int len2 = strlen(b->name);
+       int len = len1 < len2 ? len1 : len2;
+       unsigned char c1, c2;
+       int cmp;
+
+       cmp = memcmp(a->name, b->name, len);
+       if (cmp < 0)
+               return 0;
+       if (cmp > 0)
+               return -1;
+
+       /*
+        * Ok, the first <len> characters are the same.
+        * 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];
+       if (!c1 && a->directory)
+               c1 = '/';
+       if (!c2 && b->directory)
+               c2 = '/';
+       return c1 < c2 ? 0 : -1;
+}
+
 static int fsck_tree(struct tree *item)
 {
-       if (item->has_full_path) {
+       int has_full_path = 0;
+       struct tree_entry_list *entry, *last;
+
+       last = NULL;
+       for (entry = item->entries; entry; entry = entry->next) {
+               if (strchr(entry->name, '/'))
+                       has_full_path = 1;
+
+               if (last) {
+                       if (verify_ordered(last, entry) < 0) {
+                               fprintf(stderr, "tree %s not ordered\n",
+                                       sha1_to_hex(item->object.sha1));
+                               return -1;
+                       }
+               }
+
+               last = entry;
+       }
+
+       if (has_full_path) {
                fprintf(stderr, "warning: fsck-cache: tree %s "
                        "has full pathnames in it\n", 
                        sha1_to_hex(item->object.sha1));
        }
+
        return 0;
 }
 
@@ -88,23 +144,76 @@ static int fsck_tag(struct tag *tag)
        return 0;
 }
 
-static int fsck_name(char *hex)
+static int fsck_sha1(unsigned char *sha1)
 {
+       struct object *obj = parse_object(sha1);
+       if (!obj)
+               return -1;
+       if (obj->type == blob_type)
+               return 0;
+       if (obj->type == tree_type)
+               return fsck_tree((struct tree *) obj);
+       if (obj->type == commit_type)
+               return fsck_commit((struct commit *) obj);
+       if (obj->type == tag_type)
+               return fsck_tag((struct tag *) obj);
+       return -1;
+}
+
+/*
+ * 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];
-       if (!get_sha1_hex(hex, sha1)) {
-               struct object *obj = parse_object(sha1);
-               if (!obj)
-                       return -1;
-               if (obj->type == blob_type)
-                       return 0;
-               if (obj->type == tree_type)
-                       return fsck_tree((struct tree *) obj);
-               if (obj->type == commit_type)
-                       return fsck_commit((struct commit *) obj);
-               if (obj->type == tag_type)
-                       return fsck_tag((struct tag *) obj);
+};
+
+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;
+
+       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) < 0)
+                       fprintf(stderr, "bad sha1 entry '%s'\n", sha1_to_hex(sha1));
+               free(entry);
        }
-       return -1;
+       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;
+       memcpy(entry->sha1, sha1, 20);
+       nr = sha1_list.nr;
+       if (nr == MAX_SHA1_ENTRIES) {
+               fsck_sha1_list();
+               nr = 0;
+       }
+       sha1_list.entry[nr] = entry;
+       sha1_list.nr = ++nr;
 }
 
 static int fsck_dir(int i, char *path)
@@ -118,6 +227,7 @@ static int fsck_dir(int i, char *path)
 
        while ((de = readdir(dir)) != NULL) {
                char name[100];
+               unsigned char sha1[20];
                int len = strlen(de->d_name);
 
                switch (len) {
@@ -131,8 +241,10 @@ static int fsck_dir(int i, char *path)
                case 38:
                        sprintf(name, "%02x", i);
                        memcpy(name+2, de->d_name, len+1);
-                       if (!fsck_name(name))
-                               continue;
+                       if (get_sha1_hex(name, sha1) < 0)
+                               break;
+                       add_sha1_list(sha1, de->d_ino);
+                       continue;
                }
                fprintf(stderr, "bad sha1 file: %s/%s\n", path, de->d_name);
        }
@@ -170,6 +282,7 @@ int main(int argc, char **argv)
                sprintf(dir, "%s/%02x", sha1_dir, i);
                fsck_dir(i, dir);
        }
+       fsck_sha1_list();
 
        heads = 0;
        for (i = 1; i < argc; i++) {
diff --git a/tree.c b/tree.c
index 15a16d5..72305a3 100644 (file)
--- a/tree.c
+++ b/tree.c
@@ -122,11 +122,6 @@ int parse_tree(struct tree *item)
                entry->executable = mode & S_IXUSR;
                entry->next = NULL;
 
-               /* Warn about trees that don't do the recursive thing.. */
-               if (strchr(path, '/')) {
-                       item->has_full_path = 1;
-               }
-
                bufptr += len + 20;
                size -= len + 20;
 
diff --git a/tree.h b/tree.h
index 19b1905..96cf429 100644 (file)
--- a/tree.h
+++ b/tree.h
@@ -18,7 +18,6 @@ struct tree_entry_list {
 
 struct tree {
        struct object object;
-       unsigned has_full_path : 1;
        struct tree_entry_list *entries;
 };