Teach git list-objects logic not to follow gitlinks

diff --git a/builtin-fsck.c b/builtin-fsck.c
index b8e71b640b66ebd95a436a5c1c7f3fce0647be0c..f22de8deaac9b064702518cc51aa61f5d8f2ac92 100644 (file)
--- a/builtin-fsck.c
+++ b/builtin-fsck.c
@@ -14,6 +14,7 @@
 static int show_root;
 static int show_tags;
 static int show_unreachable;
+static int include_reflogs = 1;
 static int check_full;
 static int check_strict;
 static int keep_cache_objects;
@@ -227,8 +228,7 @@ static int fsck_tree(struct tree *item)
        const char *o_name;
        const unsigned char *o_sha1;
 
-       desc.buf = item->buffer;
-       desc.size = item->size;
+       init_tree_desc(&desc, item->buffer, item->size);
 
        o_mode = 0;
        o_name = NULL;
@@ -242,7 +242,7 @@ static int fsck_tree(struct tree *item)
 
                if (strchr(name, '/'))
                        has_full_path = 1;
-               has_zero_pad |= *(char *)desc.buf == '0';
+               has_zero_pad |= *(char *)desc.buffer == '0';
                update_tree_entry(&desc);
 
                switch (mode) {
@@ -253,6 +253,7 @@ static int fsck_tree(struct tree *item)
                case S_IFREG | 0644:
                case S_IFLNK:
                case S_IFDIR:
+               case S_IFDIRLNK:
                        break;
                /*
                 * This is nonstandard, but we had a few of these
@@ -349,7 +350,7 @@ static int fsck_tag(struct tag *tag)
        return 0;
 }
 
-static int fsck_sha1(unsigned char *sha1)
+static int fsck_sha1(const unsigned char *sha1)
 {
        struct object *obj = parse_object(sha1);
        if (!obj) {
@@ -518,7 +519,8 @@ static int fsck_handle_ref(const char *refname, const unsigned char *sha1, int f
 static void get_default_heads(void)
 {
        for_each_ref(fsck_handle_ref, NULL);
-       for_each_reflog(fsck_handle_reflog, NULL);
+       if (include_reflogs)
+               for_each_reflog(fsck_handle_reflog, NULL);
 
        /*
         * Not having any default heads isn't really fatal, but
@@ -617,6 +619,10 @@ int cmd_fsck(int argc, char **argv, const char *prefix)
                        keep_cache_objects = 1;
                        continue;
                }
+               if (!strcmp(arg, "--no-reflogs")) {
+                       include_reflogs = 0;
+                       continue;
+               }
                if (!strcmp(arg, "--full")) {
                        check_full = 1;
                        continue;
@@ -649,11 +655,8 @@ int cmd_fsck(int argc, char **argv, const char *prefix)
 
                for (p = packed_git; p; p = p->next) {
                        uint32_t i, num = num_packed_objects(p);
-                       for (i = 0; i < num; i++) {
-                               unsigned char sha1[20];
-                               nth_packed_object_sha1(p, i, sha1);
-                               fsck_sha1(sha1);
-                       }
+                       for (i = 0; i < num; i++)
+                               fsck_sha1(nth_packed_object_sha1(p, i));
                }
        }
 
@@ -693,8 +696,14 @@ int cmd_fsck(int argc, char **argv, const char *prefix)
                int i;
                read_cache();
                for (i = 0; i < active_nr; i++) {
-                       struct blob *blob = lookup_blob(active_cache[i]->sha1);
+                       unsigned int mode;
+                       struct blob *blob;
                        struct object *obj;
+
+                       mode = ntohl(active_cache[i]->ce_mode);
+                       if (S_ISDIRLNK(mode))
+                               continue;
+                       blob = lookup_blob(active_cache[i]->sha1);
                        if (!blob)
                                continue;
                        obj = &blob->object;