t/helper: add a test helper to compute hash speed

diff --git a/midx.c b/midx.c
index db9c49bb2bbfeede06e4402c8f84b792b1641dbc..713d6f9dde677d5418f5a4576c58e38646f90c58 100644 (file)
--- a/midx.c
+++ b/midx.c
@@ -7,6 +7,7 @@
 #include "object-store.h"
 #include "sha1-lookup.h"
 #include "midx.h"
+#include "progress.h"
 
 #define MIDX_SIGNATURE 0x4d494458 /* "MIDX" */
 #define MIDX_VERSION 1
@@ -197,7 +198,8 @@ int prepare_midx_pack(struct multi_pack_index *m, uint32_t pack_int_id)
        struct strbuf pack_name = STRBUF_INIT;
 
        if (pack_int_id >= m->num_packs)
-               BUG("bad pack-int-id");
+               die(_("bad pack-int-id: %u (%u total packs"),
+                   pack_int_id, m->num_packs);
 
        if (m->packs[pack_int_id])
                return 0;
@@ -939,6 +941,7 @@ static void midx_report(const char *fmt, ...)
 int verify_midx_file(const char *object_dir)
 {
        uint32_t i;
+       struct progress *progress = NULL;
        struct multi_pack_index *m = load_multi_pack_index(object_dir, 1);
        verify_midx_error = 0;
 
@@ -970,5 +973,35 @@ int verify_midx_file(const char *object_dir)
                                    i, oid_to_hex(&oid1), oid_to_hex(&oid2), i + 1);
        }
 
+       progress = start_progress(_("Verifying object offsets"), m->num_objects);
+       for (i = 0; i < m->num_objects; i++) {
+               struct object_id oid;
+               struct pack_entry e;
+               off_t m_offset, p_offset;
+
+               nth_midxed_object_oid(&oid, m, i);
+               if (!fill_midx_entry(&oid, &e, m)) {
+                       midx_report(_("failed to load pack entry for oid[%d] = %s"),
+                                   i, oid_to_hex(&oid));
+                       continue;
+               }
+
+               if (open_pack_index(e.p)) {
+                       midx_report(_("failed to load pack-index for packfile %s"),
+                                   e.p->pack_name);
+                       break;
+               }
+
+               m_offset = e.offset;
+               p_offset = find_pack_entry_one(oid.hash, e.p);
+
+               if (m_offset != p_offset)
+                       midx_report(_("incorrect object offset for oid[%d] = %s: %"PRIx64" != %"PRIx64),
+                                   i, oid_to_hex(&oid), m_offset, p_offset);
+
+               display_progress(progress, i + 1);
+       }
+       stop_progress(&progress);
+
        return verify_midx_error;
 }