pack-objects --unpacked=<existing pack> option.
[git/git.git] / builtin-count-objects.c
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1/*
2 * Builtin "git count-objects".
3 *
4 * Copyright (c) 2006 Junio C Hamano
5 */
6
7#include "cache.h"
8#include "builtin.h"
9
10static const char count_objects_usage[] = "git-count-objects [-v]";
11
12static void count_objects(DIR *d, char *path, int len, int verbose,
13 unsigned long *loose,
14 unsigned long *loose_size,
15 unsigned long *packed_loose,
16 unsigned long *garbage)
17{
18 struct dirent *ent;
19 while ((ent = readdir(d)) != NULL) {
20 char hex[41];
21 unsigned char sha1[20];
22 const char *cp;
23 int bad = 0;
24
25 if ((ent->d_name[0] == '.') &&
26 (ent->d_name[1] == 0 ||
27 ((ent->d_name[1] == '.') && (ent->d_name[2] == 0))))
28 continue;
29 for (cp = ent->d_name; *cp; cp++) {
30 int ch = *cp;
31 if (('0' <= ch && ch <= '9') ||
32 ('a' <= ch && ch <= 'f'))
33 continue;
34 bad = 1;
35 break;
36 }
37 if (cp - ent->d_name != 38)
38 bad = 1;
39 else {
40 struct stat st;
41 memcpy(path + len + 3, ent->d_name, 38);
42 path[len + 2] = '/';
43 path[len + 41] = 0;
44 if (lstat(path, &st) || !S_ISREG(st.st_mode))
45 bad = 1;
46 else
47 (*loose_size) += st.st_blocks;
48 }
49 if (bad) {
50 if (verbose) {
51 error("garbage found: %.*s/%s",
52 len + 2, path, ent->d_name);
53 (*garbage)++;
54 }
55 continue;
56 }
57 (*loose)++;
58 if (!verbose)
59 continue;
60 memcpy(hex, path+len, 2);
61 memcpy(hex+2, ent->d_name, 38);
62 hex[40] = 0;
63 if (get_sha1_hex(hex, sha1))
64 die("internal error");
106d710b 65 if (has_sha1_pack(sha1, NULL))
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66 (*packed_loose)++;
67 }
68}
69
a633fca0 70int cmd_count_objects(int ac, const char **av, const char *prefix)
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71{
72 int i;
73 int verbose = 0;
74 const char *objdir = get_object_directory();
75 int len = strlen(objdir);
76 char *path = xmalloc(len + 50);
77 unsigned long loose = 0, packed = 0, packed_loose = 0, garbage = 0;
78 unsigned long loose_size = 0;
79
80 for (i = 1; i < ac; i++) {
81 const char *arg = av[i];
82 if (*arg != '-')
83 break;
84 else if (!strcmp(arg, "-v"))
85 verbose = 1;
86 else
87 usage(count_objects_usage);
88 }
89
90 /* we do not take arguments other than flags for now */
91 if (i < ac)
92 usage(count_objects_usage);
93 memcpy(path, objdir, len);
94 if (len && objdir[len-1] != '/')
95 path[len++] = '/';
96 for (i = 0; i < 256; i++) {
97 DIR *d;
98 sprintf(path + len, "%02x", i);
99 d = opendir(path);
100 if (!d)
101 continue;
102 count_objects(d, path, len, verbose,
103 &loose, &loose_size, &packed_loose, &garbage);
104 closedir(d);
105 }
106 if (verbose) {
107 struct packed_git *p;
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108 if (!packed_git)
109 prepare_packed_git();
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110 for (p = packed_git; p; p = p->next) {
111 if (!p->pack_local)
112 continue;
113 packed += num_packed_objects(p);
114 }
115 printf("count: %lu\n", loose);
116 printf("size: %lu\n", loose_size / 2);
117 printf("in-pack: %lu\n", packed);
118 printf("prune-packable: %lu\n", packed_loose);
119 printf("garbage: %lu\n", garbage);
120 }
121 else
122 printf("%lu objects, %lu kilobytes\n",
123 loose, loose_size / 2);
124 return 0;
125}