1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
|
#define USE_THE_REPOSITORY_VARIABLE
#include "test-tool.h"
#include "hex.h"
#include "midx.h"
#include "repository.h"
#include "object-store.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(the_repository, 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(the_repository, 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(the_repository, 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(the_repository, 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);
}
|
