[PATCH] Improve the compilation-time settings interface

[git.git] / fsck-cache.c

diff --git a/fsck-cache.c b/fsck-cache.c
index 48be655..e40c643 100644 (file)
--- a/fsck-cache.c
+++ b/fsck-cache.c
@@ -16,6 +16,7 @@ static int show_tags = 0;
 static int show_unreachable = 0;
 static int standalone = 0;
 static int check_full = 0;
+static int check_strict = 0;
 static int keep_cache_objects = 0; 
 static unsigned char head_sha1[20];
 
@@ -108,13 +109,19 @@ static int verify_ordered(struct tree_entry_list *a, struct tree_entry_list *b)
 
 static int fsck_tree(struct tree *item)
 {
+       int retval;
        int has_full_path = 0;
+       int has_zero_pad = 0;
+       int has_bad_modes = 0;
+       int has_dup_entries = 0;
+       int not_properly_sorted = 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;
+               has_zero_pad |= entry->zeropad;
 
                switch (entry->mode) {
                /*
@@ -131,24 +138,20 @@ static int fsck_tree(struct tree *item)
                 * bits..
                 */
                case S_IFREG | 0664:
-                       break;
+                       if (!check_strict)
+                               break;
                default:
-                       printf("tree %s has entry %o %s\n",
-                               sha1_to_hex(item->object.sha1),
-                               entry->mode, entry->name);
+                       has_bad_modes = 1;
                }
 
                if (last) {
                        switch (verify_ordered(last, entry)) {
                        case TREE_UNORDERED:
-                               fprintf(stderr, "tree %s not ordered\n",
-                                       sha1_to_hex(item->object.sha1));
-                               return -1;
+                               not_properly_sorted = 1;
+                               break;
                        case TREE_HAS_DUPS:
-                               fprintf(stderr, "tree %s has duplicate entries for '%s'\n",
-                                       sha1_to_hex(item->object.sha1),
-                                       entry->name);
-                               return -1;
+                               has_dup_entries = 1;
+                               break;
                        default:
                                break;
                        }
@@ -157,17 +160,54 @@ static int fsck_tree(struct tree *item)
                last = entry;
        }
 
+       retval = 0;
        if (has_full_path) {
                fprintf(stderr, "warning: git-fsck-cache: tree %s "
                        "has full pathnames in it\n", 
                        sha1_to_hex(item->object.sha1));
        }
-
-       return 0;
+       if (has_zero_pad) {
+               fprintf(stderr, "warning: git-fsck-cache: tree %s "
+                       "has zero-padded file modes in it\n",
+                       sha1_to_hex(item->object.sha1));
+       }
+       if (has_bad_modes) {
+               fprintf(stderr, "warning: git-fsck-cache: tree %s "
+                       "has bad file modes in it\n",
+                       sha1_to_hex(item->object.sha1));
+       }
+       if (has_dup_entries) {
+               fprintf(stderr, "error: git-fsck-cache: tree %s "
+                       "has duplicate file entries\n",
+                       sha1_to_hex(item->object.sha1));
+               retval = -1;
+       }
+       if (not_properly_sorted) {
+               fprintf(stderr, "error: git-fsck-cache: tree %s "
+                       "is not properly sorted\n",
+                       sha1_to_hex(item->object.sha1));
+               retval = -1;
+       }
+       return retval;
 }
 
 static int fsck_commit(struct commit *commit)
 {
+       char *buffer = commit->buffer;
+       unsigned char sha1[20];
+
+       if (memcmp(buffer, "tree ", 5))
+               return -1;
+       if (get_sha1_hex(buffer+5, sha1) || buffer[45] != '\n')
+               return -1;
+       buffer += 46;
+       while (!memcmp(buffer, "parent ", 7)) {
+               if (get_sha1_hex(buffer+7, sha1) || buffer[47] != '\n')
+                       return -1;
+               buffer += 48;
+       }
+       if (memcmp(buffer, "author ", 7))
+               return -1;
        free(commit->buffer);
        commit->buffer = NULL;
        if (!commit->tree)
@@ -400,8 +440,12 @@ int main(int argc, char **argv)
                        check_full = 1;
                        continue;
                }
+               if (!strcmp(arg, "--strict")) {
+                       check_strict = 1;
+                       continue;
+               }
                if (*arg == '-')
-                       usage("git-fsck-cache [--tags] [[--unreachable] [--cache] [--standalone | --full] <head-sha1>*]");
+                       usage("git-fsck-cache [--tags] [--root] [[--unreachable] [--cache] [--standalone | --full] [--strict] <head-sha1>*]");
        }
 
        if (standalone && check_full)
@@ -416,9 +460,11 @@ int main(int argc, char **argv)
                struct packed_git *p;
                prepare_alt_odb();
                for (j = 0; alt_odb[j].base; j++) {
-                       alt_odb[j].name[-1] = 0; /* was slash */
-                       fsck_object_dir(alt_odb[j].base);
-                       alt_odb[j].name[-1] = '/';
+                       char namebuf[PATH_MAX];
+                       int namelen = alt_odb[j].name - alt_odb[j].base;
+                       memcpy(namebuf, alt_odb[j].base, namelen);
+                       namebuf[namelen - 1] = 0;
+                       fsck_object_dir(namebuf);
                }
                prepare_packed_git();
                for (p = packed_git; p; p = p->next)