sha1_file: drop experimental GIT_USE_LOOKUP search

diff --git a/sha1_file.c b/sha1_file.c
index ec957db5e1c2620b4a95e4f4d028f01794cef02a..85c28bdbddb317d606b07e5ccb00d9e74312b75d 100644 (file)
--- a/sha1_file.c
+++ b/sha1_file.c
@@ -203,31 +203,26 @@ static const char *alt_sha1_path(struct alternate_object_database *alt,
        return buf->buf;
 }
 
-/*
- * Return the name of the pack or index file with the specified sha1
- * in its filename.  *base and *name are scratch space that must be
- * provided by the caller.  which should be "pack" or "idx".
- */
-static char *sha1_get_pack_name(const unsigned char *sha1,
-                               struct strbuf *buf,
-                               const char *which)
+ char *odb_pack_name(struct strbuf *buf,
+                    const unsigned char *sha1,
+                    const char *ext)
 {
        strbuf_reset(buf);
        strbuf_addf(buf, "%s/pack/pack-%s.%s", get_object_directory(),
-                   sha1_to_hex(sha1), which);
+                   sha1_to_hex(sha1), ext);
        return buf->buf;
 }
 
 char *sha1_pack_name(const unsigned char *sha1)
 {
        static struct strbuf buf = STRBUF_INIT;
-       return sha1_get_pack_name(sha1, &buf, "pack");
+       return odb_pack_name(&buf, sha1, "pack");
 }
 
 char *sha1_pack_index_name(const unsigned char *sha1)
 {
        static struct strbuf buf = STRBUF_INIT;
-       return sha1_get_pack_name(sha1, &buf, "idx");
+       return odb_pack_name(&buf, sha1, "idx");
 }
 
 struct alternate_object_database *alt_odb_list;
@@ -2532,6 +2527,7 @@ void *unpack_entry(struct packed_git *p, off_t obj_offset,
        while (delta_stack_nr) {
                void *delta_data;
                void *base = data;
+               void *external_base = NULL;
                unsigned long delta_size, base_size = size;
                int i;
 
@@ -2558,6 +2554,7 @@ void *unpack_entry(struct packed_git *p, off_t obj_offset,
                                      p->pack_name);
                                mark_bad_packed_object(p, base_sha1);
                                base = read_object(base_sha1, &type, &base_size);
+                               external_base = base;
                        }
                }
 
@@ -2576,6 +2573,7 @@ void *unpack_entry(struct packed_git *p, off_t obj_offset,
                              "at offset %"PRIuMAX" from %s",
                              (uintmax_t)curpos, p->pack_name);
                        data = NULL;
+                       free(external_base);
                        continue;
                }
 
@@ -2595,6 +2593,7 @@ void *unpack_entry(struct packed_git *p, off_t obj_offset,
                        error("failed to apply delta");
 
                free(delta_data);
+               free(external_base);
        }
 
        *final_type = type;
@@ -2667,7 +2666,6 @@ off_t find_pack_entry_one(const unsigned char *sha1,
        const uint32_t *level1_ofs = p->index_data;
        const unsigned char *index = p->index_data;
        unsigned hi, lo, stride;
-       static int use_lookup = -1;
        static int debug_lookup = -1;
 
        if (debug_lookup < 0)
@@ -2697,16 +2695,6 @@ off_t find_pack_entry_one(const unsigned char *sha1,
                printf("%02x%02x%02x... lo %u hi %u nr %"PRIu32"\n",
                       sha1[0], sha1[1], sha1[2], lo, hi, p->num_objects);
 
-       if (use_lookup < 0)
-               use_lookup = !!getenv("GIT_USE_LOOKUP");
-       if (use_lookup) {
-               int pos = sha1_entry_pos(index, stride, 0,
-                                        lo, hi, p->num_objects, sha1);
-               if (pos < 0)
-                       return 0;
-               return nth_packed_object_offset(p, pos);
-       }
-
        do {
                unsigned mi = (lo + hi) / 2;
                int cmp = hashcmp(index + mi * stride, sha1);