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Commit | Line | Data |
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bb2c3495 VD |
1 | #include "cache.h" |
2 | #include "diagnose.h" | |
3 | #include "compat/disk.h" | |
4 | #include "archive.h" | |
5 | #include "dir.h" | |
6 | #include "help.h" | |
7 | #include "strvec.h" | |
8 | #include "object-store.h" | |
9 | #include "packfile.h" | |
10 | ||
33cba726 VD |
11 | struct archive_dir { |
12 | const char *path; | |
13 | int recursive; | |
14 | }; | |
15 | ||
7ecf193f VD |
16 | struct diagnose_option { |
17 | enum diagnose_mode mode; | |
18 | const char *option_name; | |
19 | }; | |
20 | ||
21 | static struct diagnose_option diagnose_options[] = { | |
22 | { DIAGNOSE_STATS, "stats" }, | |
23 | { DIAGNOSE_ALL, "all" }, | |
24 | }; | |
25 | ||
26 | int option_parse_diagnose(const struct option *opt, const char *arg, int unset) | |
27 | { | |
28 | int i; | |
29 | enum diagnose_mode *diagnose = opt->value; | |
30 | ||
31 | if (!arg) { | |
32 | *diagnose = unset ? DIAGNOSE_NONE : DIAGNOSE_STATS; | |
33 | return 0; | |
34 | } | |
35 | ||
36 | for (i = 0; i < ARRAY_SIZE(diagnose_options); i++) { | |
37 | if (!strcmp(arg, diagnose_options[i].option_name)) { | |
38 | *diagnose = diagnose_options[i].mode; | |
39 | return 0; | |
40 | } | |
41 | } | |
42 | ||
43 | return error(_("invalid --%s value '%s'"), opt->long_name, arg); | |
44 | } | |
45 | ||
bb2c3495 VD |
46 | static void dir_file_stats_objects(const char *full_path, size_t full_path_len, |
47 | const char *file_name, void *data) | |
48 | { | |
49 | struct strbuf *buf = data; | |
50 | struct stat st; | |
51 | ||
52 | if (!stat(full_path, &st)) | |
53 | strbuf_addf(buf, "%-70s %16" PRIuMAX "\n", file_name, | |
54 | (uintmax_t)st.st_size); | |
55 | } | |
56 | ||
57 | static int dir_file_stats(struct object_directory *object_dir, void *data) | |
58 | { | |
59 | struct strbuf *buf = data; | |
60 | ||
61 | strbuf_addf(buf, "Contents of %s:\n", object_dir->path); | |
62 | ||
63 | for_each_file_in_pack_dir(object_dir->path, dir_file_stats_objects, | |
64 | data); | |
65 | ||
66 | return 0; | |
67 | } | |
68 | ||
cb98e1d5 VD |
69 | /* |
70 | * Get the d_type of a dirent. If the d_type is unknown, derive it from | |
71 | * stat.st_mode. | |
72 | * | |
73 | * Note that 'path' is assumed to have a trailing slash. It is also modified | |
74 | * in-place during the execution of the function, but is then reverted to its | |
75 | * original value before returning. | |
76 | */ | |
77 | static unsigned char get_dtype(struct dirent *e, struct strbuf *path) | |
bb2c3495 | 78 | { |
cb98e1d5 VD |
79 | struct stat st; |
80 | unsigned char dtype = DTYPE(e); | |
81 | size_t base_path_len; | |
82 | ||
83 | if (dtype != DT_UNKNOWN) | |
84 | return dtype; | |
85 | ||
86 | /* d_type unknown in dirent, try to fall back on lstat results */ | |
87 | base_path_len = path->len; | |
88 | strbuf_addstr(path, e->d_name); | |
89 | if (lstat(path->buf, &st)) | |
90 | goto cleanup; | |
91 | ||
92 | /* determine d_type from st_mode */ | |
93 | if (S_ISREG(st.st_mode)) | |
94 | dtype = DT_REG; | |
95 | else if (S_ISDIR(st.st_mode)) | |
96 | dtype = DT_DIR; | |
97 | else if (S_ISLNK(st.st_mode)) | |
98 | dtype = DT_LNK; | |
99 | ||
100 | cleanup: | |
101 | strbuf_setlen(path, base_path_len); | |
102 | return dtype; | |
103 | } | |
104 | ||
105 | static int count_files(struct strbuf *path) | |
106 | { | |
107 | DIR *dir = opendir(path->buf); | |
bb2c3495 VD |
108 | struct dirent *e; |
109 | int count = 0; | |
110 | ||
111 | if (!dir) | |
112 | return 0; | |
113 | ||
cb98e1d5 VD |
114 | while ((e = readdir_skip_dot_and_dotdot(dir)) != NULL) |
115 | if (get_dtype(e, path) == DT_REG) | |
bb2c3495 VD |
116 | count++; |
117 | ||
118 | closedir(dir); | |
119 | return count; | |
120 | } | |
121 | ||
122 | static void loose_objs_stats(struct strbuf *buf, const char *path) | |
123 | { | |
124 | DIR *dir = opendir(path); | |
125 | struct dirent *e; | |
126 | int count; | |
127 | int total = 0; | |
128 | unsigned char c; | |
129 | struct strbuf count_path = STRBUF_INIT; | |
130 | size_t base_path_len; | |
131 | ||
132 | if (!dir) | |
133 | return; | |
134 | ||
135 | strbuf_addstr(buf, "Object directory stats for "); | |
136 | strbuf_add_absolute_path(buf, path); | |
137 | strbuf_addstr(buf, ":\n"); | |
138 | ||
139 | strbuf_add_absolute_path(&count_path, path); | |
140 | strbuf_addch(&count_path, '/'); | |
141 | base_path_len = count_path.len; | |
142 | ||
cb98e1d5 VD |
143 | while ((e = readdir_skip_dot_and_dotdot(dir)) != NULL) |
144 | if (get_dtype(e, &count_path) == DT_DIR && | |
145 | strlen(e->d_name) == 2 && | |
bb2c3495 VD |
146 | !hex_to_bytes(&c, e->d_name, 1)) { |
147 | strbuf_setlen(&count_path, base_path_len); | |
cb98e1d5 VD |
148 | strbuf_addf(&count_path, "%s/", e->d_name); |
149 | total += (count = count_files(&count_path)); | |
bb2c3495 VD |
150 | strbuf_addf(buf, "%s : %7d files\n", e->d_name, count); |
151 | } | |
152 | ||
153 | strbuf_addf(buf, "Total: %d loose objects", total); | |
154 | ||
155 | strbuf_release(&count_path); | |
156 | closedir(dir); | |
157 | } | |
158 | ||
159 | static int add_directory_to_archiver(struct strvec *archiver_args, | |
160 | const char *path, int recurse) | |
161 | { | |
162 | int at_root = !*path; | |
163 | DIR *dir; | |
164 | struct dirent *e; | |
165 | struct strbuf buf = STRBUF_INIT; | |
166 | size_t len; | |
167 | int res = 0; | |
168 | ||
169 | dir = opendir(at_root ? "." : path); | |
170 | if (!dir) { | |
171 | if (errno == ENOENT) { | |
172 | warning(_("could not archive missing directory '%s'"), path); | |
173 | return 0; | |
174 | } | |
175 | return error_errno(_("could not open directory '%s'"), path); | |
176 | } | |
177 | ||
178 | if (!at_root) | |
179 | strbuf_addf(&buf, "%s/", path); | |
180 | len = buf.len; | |
181 | strvec_pushf(archiver_args, "--prefix=%s", buf.buf); | |
182 | ||
cb98e1d5 VD |
183 | while (!res && (e = readdir_skip_dot_and_dotdot(dir))) { |
184 | struct strbuf abspath = STRBUF_INIT; | |
185 | unsigned char dtype; | |
186 | ||
187 | strbuf_add_absolute_path(&abspath, at_root ? "." : path); | |
188 | strbuf_addch(&abspath, '/'); | |
189 | dtype = get_dtype(e, &abspath); | |
bb2c3495 VD |
190 | |
191 | strbuf_setlen(&buf, len); | |
192 | strbuf_addstr(&buf, e->d_name); | |
193 | ||
cb98e1d5 | 194 | if (dtype == DT_REG) |
bb2c3495 | 195 | strvec_pushf(archiver_args, "--add-file=%s", buf.buf); |
cb98e1d5 | 196 | else if (dtype != DT_DIR) |
bb2c3495 VD |
197 | warning(_("skipping '%s', which is neither file nor " |
198 | "directory"), buf.buf); | |
199 | else if (recurse && | |
200 | add_directory_to_archiver(archiver_args, | |
201 | buf.buf, recurse) < 0) | |
202 | res = -1; | |
cb98e1d5 VD |
203 | |
204 | strbuf_release(&abspath); | |
bb2c3495 VD |
205 | } |
206 | ||
207 | closedir(dir); | |
208 | strbuf_release(&buf); | |
209 | return res; | |
210 | } | |
211 | ||
33cba726 | 212 | int create_diagnostics_archive(struct strbuf *zip_path, enum diagnose_mode mode) |
bb2c3495 VD |
213 | { |
214 | struct strvec archiver_args = STRVEC_INIT; | |
215 | char **argv_copy = NULL; | |
216 | int stdout_fd = -1, archiver_fd = -1; | |
217 | struct strbuf buf = STRBUF_INIT; | |
33cba726 VD |
218 | int res, i; |
219 | struct archive_dir archive_dirs[] = { | |
220 | { ".git", 0 }, | |
221 | { ".git/hooks", 0 }, | |
222 | { ".git/info", 0 }, | |
223 | { ".git/logs", 1 }, | |
224 | { ".git/objects/info", 0 } | |
225 | }; | |
226 | ||
227 | if (mode == DIAGNOSE_NONE) { | |
228 | res = 0; | |
229 | goto diagnose_cleanup; | |
230 | } | |
bb2c3495 VD |
231 | |
232 | stdout_fd = dup(STDOUT_FILENO); | |
233 | if (stdout_fd < 0) { | |
234 | res = error_errno(_("could not duplicate stdout")); | |
235 | goto diagnose_cleanup; | |
236 | } | |
237 | ||
238 | archiver_fd = xopen(zip_path->buf, O_CREAT | O_WRONLY | O_TRUNC, 0666); | |
239 | if (dup2(archiver_fd, STDOUT_FILENO) < 0) { | |
240 | res = error_errno(_("could not redirect output")); | |
241 | goto diagnose_cleanup; | |
242 | } | |
243 | ||
244 | init_zip_archiver(); | |
245 | strvec_pushl(&archiver_args, "git-diagnose", "--format=zip", NULL); | |
246 | ||
247 | strbuf_reset(&buf); | |
248 | strbuf_addstr(&buf, "Collecting diagnostic info\n\n"); | |
249 | get_version_info(&buf, 1); | |
250 | ||
251 | strbuf_addf(&buf, "Repository root: %s\n", the_repository->worktree); | |
252 | get_disk_info(&buf); | |
253 | write_or_die(stdout_fd, buf.buf, buf.len); | |
254 | strvec_pushf(&archiver_args, | |
255 | "--add-virtual-file=diagnostics.log:%.*s", | |
256 | (int)buf.len, buf.buf); | |
257 | ||
258 | strbuf_reset(&buf); | |
259 | strbuf_addstr(&buf, "--add-virtual-file=packs-local.txt:"); | |
260 | dir_file_stats(the_repository->objects->odb, &buf); | |
261 | foreach_alt_odb(dir_file_stats, &buf); | |
262 | strvec_push(&archiver_args, buf.buf); | |
263 | ||
264 | strbuf_reset(&buf); | |
265 | strbuf_addstr(&buf, "--add-virtual-file=objects-local.txt:"); | |
266 | loose_objs_stats(&buf, ".git/objects"); | |
267 | strvec_push(&archiver_args, buf.buf); | |
268 | ||
33cba726 VD |
269 | /* Only include this if explicitly requested */ |
270 | if (mode == DIAGNOSE_ALL) { | |
271 | for (i = 0; i < ARRAY_SIZE(archive_dirs); i++) { | |
272 | if (add_directory_to_archiver(&archiver_args, | |
273 | archive_dirs[i].path, | |
274 | archive_dirs[i].recursive)) { | |
275 | res = error_errno(_("could not add directory '%s' to archiver"), | |
276 | archive_dirs[i].path); | |
277 | goto diagnose_cleanup; | |
278 | } | |
279 | } | |
280 | } | |
bb2c3495 VD |
281 | |
282 | strvec_pushl(&archiver_args, "--prefix=", | |
283 | oid_to_hex(the_hash_algo->empty_tree), "--", NULL); | |
284 | ||
285 | /* `write_archive()` modifies the `argv` passed to it. Let it. */ | |
286 | argv_copy = xmemdupz(archiver_args.v, | |
287 | sizeof(char *) * archiver_args.nr); | |
288 | res = write_archive(archiver_args.nr, (const char **)argv_copy, NULL, | |
289 | the_repository, NULL, 0); | |
290 | if (res) { | |
291 | error(_("failed to write archive")); | |
292 | goto diagnose_cleanup; | |
293 | } | |
294 | ||
295 | fprintf(stderr, "\n" | |
296 | "Diagnostics complete.\n" | |
297 | "All of the gathered info is captured in '%s'\n", | |
298 | zip_path->buf); | |
299 | ||
300 | diagnose_cleanup: | |
301 | if (archiver_fd >= 0) { | |
302 | dup2(stdout_fd, STDOUT_FILENO); | |
303 | close(stdout_fd); | |
304 | close(archiver_fd); | |
305 | } | |
306 | free(argv_copy); | |
307 | strvec_clear(&archiver_args); | |
308 | strbuf_release(&buf); | |
309 | ||
310 | return res; | |
311 | } |