git-svnimport: Improved detection of merges.

diff --git a/fsck-objects.c b/fsck-objects.c
index 65cec7d12b6fecc95e842069d2afa1e87bceebc1..1922b6d84c51588b22553141f608c9a07182560b 100644 (file)
--- a/fsck-objects.c
+++ b/fsck-objects.c
@@ -8,18 +8,25 @@
 #include "tag.h"
 #include "refs.h"
 #include "pack.h"
+#include "cache-tree.h"
 
 #define REACHABLE 0x0001
 
 static int show_root = 0;
 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 int keep_cache_objects = 0;
 static unsigned char head_sha1[20];
 
+#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
 
 static void objreport(struct object *obj, const char *severity,
                       const char *err, va_list params)
@@ -54,12 +61,14 @@ static void check_connectivity(void)
        int i;
 
        /* Look up all the requirements, warn about missing objects.. */
-       for (i = 0; i < nr_objs; i++) {
+       for (i = 0; i < obj_allocs; i++) {
                struct object *obj = objs[i];
-               struct object_list *refs;
+
+               if (!obj)
+                       continue;
 
                if (!obj->parsed) {
-                       if (!standalone && has_sha1_file(obj->sha1))
+                       if (has_sha1_file(obj->sha1))
                                ; /* it is in pack */
                        else
                                printf("missing %s %s\n",
@@ -67,14 +76,19 @@ static void check_connectivity(void)
                        continue;
                }
 
-               for (refs = obj->refs; refs; refs = refs->next) {
-                       if (refs->item->parsed ||
-                           (!standalone && has_sha1_file(refs->item->sha1)))
-                               continue;
-                       printf("broken link from %7s %s\n",
-                              obj->type, sha1_to_hex(obj->sha1));
-                       printf("              to %7s %s\n",
-                              refs->item->type, sha1_to_hex(refs->item->sha1));
+               if (obj->refs) {
+                       const struct object_refs *refs = obj->refs;
+                       unsigned j;
+                       for (j = 0; j < refs->count; j++) {
+                               struct object *ref = refs->ref[j];
+                               if (ref->parsed ||
+                                   (has_sha1_file(ref->sha1)))
+                                       continue;
+                               printf("broken link from %7s %s\n",
+                                      obj->type, sha1_to_hex(obj->sha1));
+                               printf("              to %7s %s\n",
+                                      ref->type, sha1_to_hex(ref->sha1));
+                       }
                }
 
                if (show_unreachable && !(obj->flags & REACHABLE)) {
@@ -184,10 +198,17 @@ static int fsck_tree(struct tree *item)
                        default:
                                break;
                        }
+                       free(last->name);
+                       free(last);
                }
 
                last = entry;
        }
+       if (last) {
+               free(last->name);
+               free(last);
+       }
+       item->entries = NULL;
 
        retval = 0;
        if (has_full_path) {
@@ -296,7 +317,9 @@ static void fsck_sha1_list(void)
 {
        int i, nr = sha1_list.nr;
 
-       qsort(sha1_list.entry, nr, sizeof(struct sha1_entry *), ino_compare);
+       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;
@@ -329,9 +352,8 @@ static int fsck_dir(int i, char *path)
        DIR *dir = opendir(path);
        struct dirent *de;
 
-       if (!dir) {
-               return error("missing sha1 directory '%s'", path);
-       }
+       if (!dir)
+               return 0;
 
        while ((de = readdir(dir)) != NULL) {
                char name[100];
@@ -351,7 +373,7 @@ static int fsck_dir(int i, char *path)
                        memcpy(name+2, de->d_name, len+1);
                        if (get_sha1_hex(name, sha1) < 0)
                                break;
-                       add_sha1_list(sha1, de->d_ino);
+                       add_sha1_list(sha1, DIRENT_SORT_HINT(de));
                        continue;
                }
                fprintf(stderr, "bad sha1 file: %s/%s\n", path, de->d_name);
@@ -368,7 +390,7 @@ static int fsck_handle_ref(const char *refname, const unsigned char *sha1)
 
        obj = lookup_object(sha1);
        if (!obj) {
-               if (!standalone && has_sha1_file(sha1)) {
+               if (has_sha1_file(sha1)) {
                        default_refs++;
                        return 0; /* it is in a pack */
                }
@@ -417,10 +439,34 @@ static int fsck_head_link(void)
        return 0;
 }
 
+static int fsck_cache_tree(struct cache_tree *it)
+{
+       int i;
+       int err = 0;
+
+       if (0 <= it->entry_count) {
+               struct object *obj = parse_object(it->sha1);
+               if (!obj) {
+                       error("%s: invalid sha1 pointer in cache-tree",
+                             sha1_to_hex(it->sha1));
+                       return 1;
+               }
+               mark_reachable(obj, REACHABLE);
+               obj->used = 1;
+               if (obj->type != tree_type)
+                       err |= objerror(obj, "non-tree in cache-tree");
+       }
+       for (i = 0; i < it->subtree_nr; i++)
+               err |= fsck_cache_tree(it->down[i]->cache_tree);
+       return err;
+}
+
 int main(int argc, char **argv)
 {
        int i, heads;
 
+       setup_git_directory();
+
        for (i = 1; i < argc; i++) {
                const char *arg = argv[i];
 
@@ -440,10 +486,6 @@ int main(int argc, char **argv)
                        keep_cache_objects = 1;
                        continue;
                }
-               if (!strcmp(arg, "--standalone")) {
-                       standalone = 1;
-                       continue;
-               }
                if (!strcmp(arg, "--full")) {
                        check_full = 1;
                        continue;
@@ -453,14 +495,9 @@ int main(int argc, char **argv)
                        continue;
                }
                if (*arg == '-')
-                       usage("git-fsck-objects [--tags] [--root] [[--unreachable] [--cache] [--standalone | --full] [--strict] <head-sha1>*]");
+                       usage("git-fsck-objects [--tags] [--root] [[--unreachable] [--cache] [--full] [--strict] <head-sha1>*]");
        }
 
-       if (standalone && check_full)
-               die("Only one of --standalone or --full can be used.");
-       if (standalone)
-               putenv("GIT_ALTERNATE_OBJECT_DIRECTORIES=");
-
        fsck_head_link();
        fsck_object_dir(get_object_directory());
        if (check_full) {
@@ -533,6 +570,8 @@ int main(int argc, char **argv)
                        obj->used = 1;
                        mark_reachable(obj, REACHABLE);
                }
+               if (active_cache_tree)
+                       fsck_cache_tree(active_cache_tree);
        }
 
        check_connectivity();