apply: check git diffs for mutually exclusive header lines

diff --git a/fsck.c b/fsck.c
index c9cf3de8d315c05cd238529ba20fe3925c993ec1..4a3069e204ea555bfb6d1ce05a0163860f852437 100644 (file)
--- a/fsck.c
+++ b/fsck.c
@@ -347,8 +347,9 @@ static int fsck_walk_tree(struct tree *tree, void *data, struct fsck_options *op
                return -1;
 
        name = get_object_name(options, &tree->object);
-       init_tree_desc(&desc, tree->buffer, tree->size);
-       while (tree_entry(&desc, &entry)) {
+       if (init_tree_desc_gently(&desc, tree->buffer, tree->size))
+               return -1;
+       while (tree_entry_gently(&desc, &entry)) {
                struct object *obj;
                int result;
 
@@ -520,7 +521,7 @@ static int verify_ordered(unsigned mode1, const char *name1, unsigned mode2, con
 
 static int fsck_tree(struct tree *item, struct fsck_options *options)
 {
-       int retval;
+       int retval = 0;
        int has_null_sha1 = 0;
        int has_full_path = 0;
        int has_empty_name = 0;
@@ -535,7 +536,10 @@ static int fsck_tree(struct tree *item, struct fsck_options *options)
        unsigned o_mode;
        const char *o_name;
 
-       init_tree_desc(&desc, item->buffer, item->size);
+       if (init_tree_desc_gently(&desc, item->buffer, item->size)) {
+               retval += report(options, &item->object, FSCK_MSG_BAD_TREE, "cannot be parsed as a tree");
+               return retval;
+       }
 
        o_mode = 0;
        o_name = NULL;
@@ -556,7 +560,10 @@ static int fsck_tree(struct tree *item, struct fsck_options *options)
                               is_hfs_dotgit(name) ||
                               is_ntfs_dotgit(name));
                has_zero_pad |= *(char *)desc.buffer == '0';
-               update_tree_entry(&desc);
+               if (update_tree_entry_gently(&desc)) {
+                       retval += report(options, &item->object, FSCK_MSG_BAD_TREE, "cannot be parsed as a tree");
+                       break;
+               }
 
                switch (mode) {
                /*
@@ -597,7 +604,6 @@ static int fsck_tree(struct tree *item, struct fsck_options *options)
                o_name = name;
        }
 
-       retval = 0;
        if (has_null_sha1)
                retval += report(options, &item->object, FSCK_MSG_NULL_SHA1, "contains entries pointing to null sha1");
        if (has_full_path)