Merge branch 'dl/xdiff'

diff --git a/builtin-pack-objects.c b/builtin-pack-objects.c
index 59c30d1caa37416041177ff4aaf01b67f4e8add4..95e6faf1e6228dcee2fed692c9273e1fccbcef16 100644 (file)
--- a/builtin-pack-objects.c
+++ b/builtin-pack-objects.c
@@ -245,8 +245,16 @@ static unsigned long write_object(struct sha1file *f,
        type = entry->type;
 
        /* write limit if limited packsize and not first object */
-       limit = pack_size_limit && nr_written ?
-                       pack_size_limit - write_offset : 0;
+       if (!pack_size_limit || !nr_written)
+               limit = 0;
+       else if (pack_size_limit <= write_offset)
+               /*
+                * the earlier object did not fit the limit; avoid
+                * mistaking this with unlimited (i.e. limit = 0).
+                */
+               limit = 1;
+       else
+               limit = pack_size_limit - write_offset;
 
        if (!entry->delta)
                usable_delta = 0;       /* no delta */
@@ -1375,7 +1383,7 @@ static void find_deltas(struct object_entry **list, unsigned *list_size,
        array = xcalloc(window, sizeof(struct unpacked));
 
        for (;;) {
-               struct object_entry *entry = *list++;
+               struct object_entry *entry;
                struct unpacked *n = array + idx;
                int j, max_depth, best_base = -1;
 
@@ -1384,6 +1392,7 @@ static void find_deltas(struct object_entry **list, unsigned *list_size,
                        progress_unlock();
                        break;
                }
+               entry = *list++;
                (*list_size)--;
                if (!entry->preferred_base) {
                        (*processed)++;