Lazily open pack index files on demand

[thirdparty/git.git] / pack-check.c

diff --git a/pack-check.c b/pack-check.c
index d04536bbff7cba22ca67521d45e690dfa5aa8675..3623c716e3e3b7d4a28800e34afd0e5f0e13a43d 100644 (file)
--- a/pack-check.c
+++ b/pack-check.c
@@ -73,12 +73,11 @@ static int verify_packfile(struct packed_git *p,
 }
 
 
-#define MAX_CHAIN 40
+#define MAX_CHAIN 50
 
 static void show_pack_info(struct packed_git *p)
 {
-       uint32_t nr_objects, i, chain_histogram[MAX_CHAIN];
-
+       uint32_t nr_objects, i, chain_histogram[MAX_CHAIN+1];
        nr_objects = p->num_objects;
        memset(chain_histogram, 0, sizeof(chain_histogram));
 
@@ -109,32 +108,37 @@ static void show_pack_info(struct packed_git *p)
                        printf("%-6s %lu %"PRIuMAX" %u %s\n",
                               type, size, (uintmax_t)offset,
                               delta_chain_length, sha1_to_hex(base_sha1));
-                       if (delta_chain_length < MAX_CHAIN)
+                       if (delta_chain_length <= MAX_CHAIN)
                                chain_histogram[delta_chain_length]++;
                        else
                                chain_histogram[0]++;
                }
        }
 
-       for (i = 0; i < MAX_CHAIN; i++) {
+       for (i = 0; i <= MAX_CHAIN; i++) {
                if (!chain_histogram[i])
                        continue;
-               printf("chain length %s %d: %d object%s\n",
-                      i ? "=" : ">=",
-                      i ? i : MAX_CHAIN,
-                      chain_histogram[i],
-                      1 < chain_histogram[i] ? "s" : "");
+               printf("chain length = %d: %d object%s\n", i,
+                      chain_histogram[i], chain_histogram[i] > 1 ? "s" : "");
        }
+       if (chain_histogram[0])
+               printf("chain length > %d: %d object%s\n", MAX_CHAIN,
+                      chain_histogram[0], chain_histogram[0] > 1 ? "s" : "");
 }
 
 int verify_pack(struct packed_git *p, int verbose)
 {
-       off_t index_size = p->index_size;
-       const unsigned char *index_base = p->index_data;
+       off_t index_size;
+       const unsigned char *index_base;
        SHA_CTX ctx;
        unsigned char sha1[20];
        int ret;
 
+       if (open_pack_index(p))
+               return error("packfile %s index not opened", p->pack_name);
+       index_size = p->index_size;
+       index_base = p->index_data;
+
        ret = 0;
        /* Verify SHA1 sum of the index file */
        SHA1_Init(&ctx);