git-pack-objects: mark the delta packing with a 'D'.

When writing a delta, we take the real type from the object we're
doing the delta against, and just write a 'D' as the type of the
current object.

diff --git a/pack-objects.c b/pack-objects.c
index 9a468bd..8de7bd0 100644 (file)
--- a/pack-objects.c
+++ b/pack-objects.c
@@ -114,6 +114,7 @@ static unsigned long write_object(FILE *f, struct object_entry *entry)
        memcpy(header+1, &datalen, 4);
        hdrlen = 5;
        if (entry->delta) {
+               header[0] = 'D';
                memcpy(header+1, entry->delta, 20);
                buf = delta_against(buf, size, entry);
                size = entry->delta_size;