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Commit | Line | Data |
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2e3ed670 | 1 | #include "builtin.h" |
f9253394 JH |
2 | #include "cache.h" |
3 | #include "pack.h" | |
4b480c67 | 4 | #include "pack-revindex.h" |
c9c3c678 | 5 | #include "parse-options.h" |
77d3ecee NP |
6 | |
7 | #define MAX_CHAIN 50 | |
8 | ||
6c4f3ec9 JH |
9 | #define VERIFY_PACK_VERBOSE 01 |
10 | #define VERIFY_PACK_STAT_ONLY 02 | |
11 | ||
12 | static void show_pack_info(struct packed_git *p, unsigned int flags) | |
77d3ecee | 13 | { |
262b04fa JH |
14 | uint32_t nr_objects, i; |
15 | int cnt; | |
6c4f3ec9 | 16 | int stat_only = flags & VERIFY_PACK_STAT_ONLY; |
262b04fa | 17 | unsigned long chain_histogram[MAX_CHAIN+1], baseobjects; |
77d3ecee NP |
18 | |
19 | nr_objects = p->num_objects; | |
20 | memset(chain_histogram, 0, sizeof(chain_histogram)); | |
262b04fa | 21 | baseobjects = 0; |
77d3ecee NP |
22 | |
23 | for (i = 0; i < nr_objects; i++) { | |
24 | const unsigned char *sha1; | |
25 | unsigned char base_sha1[20]; | |
26 | const char *type; | |
27 | unsigned long size; | |
28 | unsigned long store_size; | |
29 | off_t offset; | |
30 | unsigned int delta_chain_length; | |
31 | ||
32 | sha1 = nth_packed_object_sha1(p, i); | |
33 | if (!sha1) | |
34 | die("internal error pack-check nth-packed-object"); | |
35 | offset = nth_packed_object_offset(p, i); | |
36 | type = packed_object_info_detail(p, offset, &size, &store_size, | |
37 | &delta_chain_length, | |
38 | base_sha1); | |
6c4f3ec9 JH |
39 | if (!stat_only) |
40 | printf("%s ", sha1_to_hex(sha1)); | |
262b04fa | 41 | if (!delta_chain_length) { |
6c4f3ec9 JH |
42 | if (!stat_only) |
43 | printf("%-6s %lu %lu %"PRIuMAX"\n", | |
44 | type, size, store_size, (uintmax_t)offset); | |
262b04fa JH |
45 | baseobjects++; |
46 | } | |
77d3ecee | 47 | else { |
6c4f3ec9 JH |
48 | if (!stat_only) |
49 | printf("%-6s %lu %lu %"PRIuMAX" %u %s\n", | |
50 | type, size, store_size, (uintmax_t)offset, | |
51 | delta_chain_length, sha1_to_hex(base_sha1)); | |
77d3ecee NP |
52 | if (delta_chain_length <= MAX_CHAIN) |
53 | chain_histogram[delta_chain_length]++; | |
54 | else | |
55 | chain_histogram[0]++; | |
56 | } | |
57 | } | |
58 | ||
262b04fa JH |
59 | if (baseobjects) |
60 | printf("non delta: %lu object%s\n", | |
61 | baseobjects, baseobjects > 1 ? "s" : ""); | |
62 | ||
63 | for (cnt = 1; cnt <= MAX_CHAIN; cnt++) { | |
64 | if (!chain_histogram[cnt]) | |
77d3ecee | 65 | continue; |
262b04fa JH |
66 | printf("chain length = %d: %lu object%s\n", cnt, |
67 | chain_histogram[cnt], | |
68 | chain_histogram[cnt] > 1 ? "s" : ""); | |
77d3ecee NP |
69 | } |
70 | if (chain_histogram[0]) | |
262b04fa JH |
71 | printf("chain length > %d: %lu object%s\n", MAX_CHAIN, |
72 | chain_histogram[0], | |
73 | chain_histogram[0] > 1 ? "s" : ""); | |
77d3ecee NP |
74 | } |
75 | ||
6c4f3ec9 | 76 | static int verify_one_pack(const char *path, unsigned int flags) |
f9253394 | 77 | { |
ae9c86f2 RS |
78 | char arg[PATH_MAX]; |
79 | int len; | |
6c4f3ec9 JH |
80 | int verbose = flags & VERIFY_PACK_VERBOSE; |
81 | int stat_only = flags & VERIFY_PACK_STAT_ONLY; | |
d0d619c8 RS |
82 | struct packed_git *pack; |
83 | int err; | |
ae9c86f2 RS |
84 | |
85 | len = strlcpy(arg, path, PATH_MAX); | |
86 | if (len >= PATH_MAX) | |
87 | return error("name too long: %s", path); | |
88 | ||
fc5fc509 RS |
89 | /* |
90 | * In addition to "foo.idx" we accept "foo.pack" and "foo"; | |
91 | * normalize these forms to "foo.idx" for add_packed_git(). | |
92 | */ | |
5bb1cda5 | 93 | if (has_extension(arg, ".pack")) { |
fc5fc509 RS |
94 | strcpy(arg + len - 5, ".idx"); |
95 | len--; | |
5bb1cda5 | 96 | } else if (!has_extension(arg, ".idx")) { |
fc5fc509 RS |
97 | if (len + 4 >= PATH_MAX) |
98 | return error("name too long: %s.idx", arg); | |
99 | strcpy(arg + len, ".idx"); | |
100 | len += 4; | |
f3bf9224 | 101 | } |
fc5fc509 | 102 | |
f711ab54 RS |
103 | /* |
104 | * add_packed_git() uses our buffer (containing "foo.idx") to | |
105 | * build the pack filename ("foo.pack"). Make sure it fits. | |
106 | */ | |
107 | if (len + 1 >= PATH_MAX) { | |
108 | arg[len - 4] = '\0'; | |
109 | return error("name too long: %s.pack", arg); | |
110 | } | |
111 | ||
d0d619c8 RS |
112 | pack = add_packed_git(arg, len, 1); |
113 | if (!pack) | |
fc5fc509 RS |
114 | return error("packfile %s not found.", arg); |
115 | ||
34081463 | 116 | install_packed_git(pack); |
77d3ecee | 117 | |
6c4f3ec9 JH |
118 | if (!stat_only) |
119 | err = verify_pack(pack); | |
120 | else | |
121 | err = open_pack_index(pack); | |
122 | ||
123 | if (verbose || stat_only) { | |
77d3ecee NP |
124 | if (err) |
125 | printf("%s: bad\n", pack->pack_name); | |
126 | else { | |
6c4f3ec9 JH |
127 | show_pack_info(pack, flags); |
128 | if (!stat_only) | |
129 | printf("%s: ok\n", pack->pack_name); | |
77d3ecee NP |
130 | } |
131 | } | |
d0d619c8 RS |
132 | |
133 | return err; | |
f9253394 JH |
134 | } |
135 | ||
c9c3c678 | 136 | static const char * const verify_pack_usage[] = { |
6c4f3ec9 | 137 | "git verify-pack [-v|--verbose] [-s|--stat-only] <pack>...", |
c9c3c678 SB |
138 | NULL |
139 | }; | |
f3bf9224 | 140 | |
2e3ed670 | 141 | int cmd_verify_pack(int argc, const char **argv, const char *prefix) |
f9253394 | 142 | { |
0eaf22f4 | 143 | int err = 0; |
6c4f3ec9 | 144 | unsigned int flags = 0; |
c9c3c678 SB |
145 | int i; |
146 | const struct option verify_pack_options[] = { | |
6c4f3ec9 JH |
147 | OPT_BIT('v', "verbose", &flags, "verbose", |
148 | VERIFY_PACK_VERBOSE), | |
149 | OPT_BIT('s', "stat-only", &flags, "show statistics only", | |
150 | VERIFY_PACK_STAT_ONLY), | |
c9c3c678 SB |
151 | OPT_END() |
152 | }; | |
f9253394 | 153 | |
ef90d6d4 | 154 | git_config(git_default_config, NULL); |
c9c3c678 SB |
155 | argc = parse_options(argc, argv, prefix, verify_pack_options, |
156 | verify_pack_usage, 0); | |
157 | if (argc < 1) | |
158 | usage_with_options(verify_pack_usage, verify_pack_options); | |
159 | for (i = 0; i < argc; i++) { | |
6c4f3ec9 | 160 | if (verify_one_pack(argv[i], flags)) |
c9c3c678 SB |
161 | err = 1; |
162 | discard_revindex(); | |
f9253394 | 163 | } |
6f05b57d | 164 | |
0eaf22f4 | 165 | return err; |
f9253394 | 166 | } |