git/t/helper/test-read-midx.c

159 lines
3.5 KiB
C

#define USE_THE_REPOSITORY_VARIABLE
#include "test-tool.h"
#include "hex.h"
#include "midx.h"
#include "repository.h"
#include "object-store-ll.h"
#include "pack-bitmap.h"
#include "packfile.h"
#include "setup.h"
#include "gettext.h"
#include "pack-revindex.h"
static int read_midx_file(const char *object_dir, const char *checksum,
int show_objects)
{
uint32_t i;
struct multi_pack_index *m;
setup_git_directory();
m = load_multi_pack_index(object_dir, 1);
if (!m)
return 1;
if (checksum) {
while (m && strcmp(hash_to_hex(get_midx_checksum(m)), checksum))
m = m->base_midx;
if (!m)
return 1;
}
printf("header: %08x %d %d %d %d\n",
m->signature,
m->version,
m->hash_len,
m->num_chunks,
m->num_packs);
printf("chunks:");
if (m->chunk_pack_names)
printf(" pack-names");
if (m->chunk_oid_fanout)
printf(" oid-fanout");
if (m->chunk_oid_lookup)
printf(" oid-lookup");
if (m->chunk_object_offsets)
printf(" object-offsets");
if (m->chunk_large_offsets)
printf(" large-offsets");
printf("\nnum_objects: %d\n", m->num_objects);
printf("packs:\n");
for (i = 0; i < m->num_packs; i++)
printf("%s\n", m->pack_names[i]);
printf("object-dir: %s\n", m->object_dir);
if (show_objects) {
struct object_id oid;
struct pack_entry e;
for (i = 0; i < m->num_objects; i++) {
nth_midxed_object_oid(&oid, m,
i + m->num_objects_in_base);
fill_midx_entry(the_repository, &oid, &e, m);
printf("%s %"PRIu64"\t%s\n",
oid_to_hex(&oid), e.offset, e.p->pack_name);
}
}
close_midx(m);
return 0;
}
static int read_midx_checksum(const char *object_dir)
{
struct multi_pack_index *m;
setup_git_directory();
m = load_multi_pack_index(object_dir, 1);
if (!m)
return 1;
printf("%s\n", hash_to_hex(get_midx_checksum(m)));
close_midx(m);
return 0;
}
static int read_midx_preferred_pack(const char *object_dir)
{
struct multi_pack_index *midx = NULL;
uint32_t preferred_pack;
setup_git_directory();
midx = load_multi_pack_index(object_dir, 1);
if (!midx)
return 1;
if (midx_preferred_pack(midx, &preferred_pack) < 0) {
warning(_("could not determine MIDX preferred pack"));
close_midx(midx);
return 1;
}
printf("%s\n", midx->pack_names[preferred_pack]);
close_midx(midx);
return 0;
}
static int read_midx_bitmapped_packs(const char *object_dir)
{
struct multi_pack_index *midx = NULL;
struct bitmapped_pack pack;
uint32_t i;
setup_git_directory();
midx = load_multi_pack_index(object_dir, 1);
if (!midx)
return 1;
for (i = 0; i < midx->num_packs + midx->num_packs_in_base; i++) {
if (nth_bitmapped_pack(the_repository, midx, &pack, i) < 0) {
close_midx(midx);
return 1;
}
printf("%s\n", pack_basename(pack.p));
printf(" bitmap_pos: %"PRIuMAX"\n", (uintmax_t)pack.bitmap_pos);
printf(" bitmap_nr: %"PRIuMAX"\n", (uintmax_t)pack.bitmap_nr);
}
close_midx(midx);
return 0;
}
int cmd__read_midx(int argc, const char **argv)
{
if (!(argc == 2 || argc == 3 || argc == 4))
usage("read-midx [--show-objects|--checksum|--preferred-pack|--bitmap] <object-dir> <checksum>");
if (!strcmp(argv[1], "--show-objects"))
return read_midx_file(argv[2], argv[3], 1);
else if (!strcmp(argv[1], "--checksum"))
return read_midx_checksum(argv[2]);
else if (!strcmp(argv[1], "--preferred-pack"))
return read_midx_preferred_pack(argv[2]);
else if (!strcmp(argv[1], "--bitmap"))
return read_midx_bitmapped_packs(argv[2]);
return read_midx_file(argv[1], argv[2], 0);
}