clean up add_object_entry()

This function used to call locate_object_entry_hash() _twice_ per added
object while only once should suffice. Let's reorganize that code a bit.

Signed-off-by: Nicolas Pitre <nico@cam.org>
Signed-off-by: Junio C Hamano <junkio@cox.net>

diff --git a/builtin-pack-objects.c b/builtin-pack-objects.c
index 687b4b5a9944ace5fde99e6275adc2bd3ca7ef9a..bc5f2329a8056a253413ff042cb731772b376460 100644 (file)
--- a/builtin-pack-objects.c
+++ b/builtin-pack-objects.c
@@ -781,12 +781,19 @@ static unsigned name_hash(const char *name)
 
 static int add_object_entry(const unsigned char *sha1, unsigned hash, int exclude)
 {
-       uint32_t idx = nr_objects;
        struct object_entry *entry;
-       struct packed_git *p;
+       struct packed_git *p, *found_pack = NULL;
        off_t found_offset = 0;
-       struct packed_git *found_pack = NULL;
-       int ix, status = 0;
+       int ix;
+
+       ix = nr_objects ? locate_object_entry_hash(sha1) : -1;
+       if (ix >= 0) {
+               if (exclude) {
+                       entry = objects + object_ix[ix] - 1;
+                       entry->preferred_base = 1;
+               }
+               return 0;
+       }
 
        if (!exclude) {
                for (p = packed_git; p; p = p->next) {
@@ -803,43 +810,34 @@ static int add_object_entry(const unsigned char *sha1, unsigned hash, int exclud
                        }
                }
        }
-       if ((entry = locate_object_entry(sha1)) != NULL)
-               goto already_added;
 
-       if (idx >= nr_alloc) {
-               nr_alloc = (idx + 1024) * 3 / 2;
+       if (nr_objects >= nr_alloc) {
+               nr_alloc = (nr_alloc  + 1024) * 3 / 2;
                objects = xrealloc(objects, nr_alloc * sizeof(*entry));
        }
-       entry = objects + idx;
-       nr_objects = idx + 1;
+
+       entry = objects + nr_objects++;
        memset(entry, 0, sizeof(*entry));
        hashcpy(entry->sha1, sha1);
        entry->hash = hash;
+       if (exclude)
+               entry->preferred_base = 1;
+       if (found_pack) {
+               entry->in_pack = found_pack;
+               entry->in_pack_offset = found_offset;
+       }
 
        if (object_ix_hashsz * 3 <= nr_objects * 4)
                rehash_objects();
-       else {
-               ix = locate_object_entry_hash(entry->sha1);
-               if (0 <= ix)
-                       die("internal error in object hashing.");
-               object_ix[-1 - ix] = idx + 1;
-       }
-       status = 1;
+       else
+               object_ix[-1 - ix] = nr_objects;
 
- already_added:
        if (progress_update) {
                fprintf(stderr, "Counting objects...%u\r", nr_objects);
                progress_update = 0;
        }
-       if (exclude)
-               entry->preferred_base = 1;
-       else {
-               if (found_pack) {
-                       entry->in_pack = found_pack;
-                       entry->in_pack_offset = found_offset;
-               }
-       }
-       return status;
+
+       return 1;
 }
 
 struct pbase_tree_cache {