1 /*
2  * Builtin "git count-objects".
3  *
4  * Copyright (c) 2006 Junio C Hamano
5  */
6 
7 #include "cache.h"
8 #include "config.h"
9 #include "dir.h"
10 #include "repository.h"
11 #include "builtin.h"
12 #include "parse-options.h"
13 #include "quote.h"
14 #include "packfile.h"
15 #include "object-store.h"
16 
17 static unsigned long garbage;
18 static off_t size_garbage;
19 static int verbose;
20 static unsigned long loose, packed, packed_loose;
21 static off_t loose_size;
22 
bits_to_msg(unsigned seen_bits)23 static const char *bits_to_msg(unsigned seen_bits)
24 {
25 	switch (seen_bits) {
26 	case 0:
27 		return "no corresponding .idx or .pack";
28 	case PACKDIR_FILE_GARBAGE:
29 		return "garbage found";
30 	case PACKDIR_FILE_PACK:
31 		return "no corresponding .idx";
32 	case PACKDIR_FILE_IDX:
33 		return "no corresponding .pack";
34 	case PACKDIR_FILE_PACK|PACKDIR_FILE_IDX:
35 	default:
36 		return NULL;
37 	}
38 }
39 
real_report_garbage(unsigned seen_bits,const char * path)40 static void real_report_garbage(unsigned seen_bits, const char *path)
41 {
42 	struct stat st;
43 	const char *desc = bits_to_msg(seen_bits);
44 
45 	if (!desc)
46 		return;
47 
48 	if (!stat(path, &st))
49 		size_garbage += st.st_size;
50 	warning("%s: %s", desc, path);
51 	garbage++;
52 }
53 
loose_garbage(const char * path)54 static void loose_garbage(const char *path)
55 {
56 	if (verbose)
57 		report_garbage(PACKDIR_FILE_GARBAGE, path);
58 }
59 
count_loose(const struct object_id * oid,const char * path,void * data)60 static int count_loose(const struct object_id *oid, const char *path, void *data)
61 {
62 	struct stat st;
63 
64 	if (lstat(path, &st) || !S_ISREG(st.st_mode))
65 		loose_garbage(path);
66 	else {
67 		loose_size += on_disk_bytes(st);
68 		loose++;
69 		if (verbose && has_object_pack(oid))
70 			packed_loose++;
71 	}
72 	return 0;
73 }
74 
count_cruft(const char * basename,const char * path,void * data)75 static int count_cruft(const char *basename, const char *path, void *data)
76 {
77 	loose_garbage(path);
78 	return 0;
79 }
80 
print_alternate(struct object_directory * odb,void * data)81 static int print_alternate(struct object_directory *odb, void *data)
82 {
83 	printf("alternate: ");
84 	quote_c_style(odb->path, NULL, stdout, 0);
85 	putchar('\n');
86 	return 0;
87 }
88 
89 static char const * const count_objects_usage[] = {
90 	N_("git count-objects [-v] [-H | --human-readable]"),
91 	NULL
92 };
93 
cmd_count_objects(int argc,const char ** argv,const char * prefix)94 int cmd_count_objects(int argc, const char **argv, const char *prefix)
95 {
96 	int human_readable = 0;
97 	struct option opts[] = {
98 		OPT__VERBOSE(&verbose, N_("be verbose")),
99 		OPT_BOOL('H', "human-readable", &human_readable,
100 			 N_("print sizes in human readable format")),
101 		OPT_END(),
102 	};
103 
104 	git_config(git_default_config, NULL);
105 
106 	argc = parse_options(argc, argv, prefix, opts, count_objects_usage, 0);
107 	/* we do not take arguments other than flags for now */
108 	if (argc)
109 		usage_with_options(count_objects_usage, opts);
110 	if (verbose) {
111 		report_garbage = real_report_garbage;
112 		report_linked_checkout_garbage();
113 	}
114 
115 	for_each_loose_file_in_objdir(get_object_directory(),
116 				      count_loose, count_cruft, NULL, NULL);
117 
118 	if (verbose) {
119 		struct packed_git *p;
120 		unsigned long num_pack = 0;
121 		off_t size_pack = 0;
122 		struct strbuf loose_buf = STRBUF_INIT;
123 		struct strbuf pack_buf = STRBUF_INIT;
124 		struct strbuf garbage_buf = STRBUF_INIT;
125 
126 		for (p = get_all_packs(the_repository); p; p = p->next) {
127 			if (!p->pack_local)
128 				continue;
129 			if (open_pack_index(p))
130 				continue;
131 			packed += p->num_objects;
132 			size_pack += p->pack_size + p->index_size;
133 			num_pack++;
134 		}
135 
136 		if (human_readable) {
137 			strbuf_humanise_bytes(&loose_buf, loose_size);
138 			strbuf_humanise_bytes(&pack_buf, size_pack);
139 			strbuf_humanise_bytes(&garbage_buf, size_garbage);
140 		} else {
141 			strbuf_addf(&loose_buf, "%lu",
142 				    (unsigned long)(loose_size / 1024));
143 			strbuf_addf(&pack_buf, "%lu",
144 				    (unsigned long)(size_pack / 1024));
145 			strbuf_addf(&garbage_buf, "%lu",
146 				    (unsigned long)(size_garbage / 1024));
147 		}
148 
149 		printf("count: %lu\n", loose);
150 		printf("size: %s\n", loose_buf.buf);
151 		printf("in-pack: %lu\n", packed);
152 		printf("packs: %lu\n", num_pack);
153 		printf("size-pack: %s\n", pack_buf.buf);
154 		printf("prune-packable: %lu\n", packed_loose);
155 		printf("garbage: %lu\n", garbage);
156 		printf("size-garbage: %s\n", garbage_buf.buf);
157 		foreach_alt_odb(print_alternate, NULL);
158 		strbuf_release(&loose_buf);
159 		strbuf_release(&pack_buf);
160 		strbuf_release(&garbage_buf);
161 	} else {
162 		struct strbuf buf = STRBUF_INIT;
163 		if (human_readable)
164 			strbuf_humanise_bytes(&buf, loose_size);
165 		else
166 			strbuf_addf(&buf, "%lu kilobytes",
167 				    (unsigned long)(loose_size / 1024));
168 		printf("%lu objects, %s\n", loose, buf.buf);
169 		strbuf_release(&buf);
170 	}
171 	return 0;
172 }
173