]>
Commit | Line | Data |
---|---|---|
bb742ede | 1 | /* |
359fc2d2 | 2 | * Copyright (C) the libgit2 contributors. All rights reserved. |
bb742ede VM |
3 | * |
4 | * This file is part of libgit2, distributed under the GNU GPL v2 with | |
5 | * a Linking Exception. For full terms see the included COPYING file. | |
6 | */ | |
5ee2fe77 | 7 | #include "common.h" |
ec250c6e | 8 | #include "fileops.h" |
a3aa5f4d | 9 | #include "global.h" |
2e29957a | 10 | #include <ctype.h> |
997579be SS |
11 | #if GIT_WIN32 |
12 | #include "win32/findfile.h" | |
13 | #endif | |
ec250c6e | 14 | |
ce8cd006 | 15 | int git_futils_mkpath2file(const char *file_path, const mode_t mode) |
55ffebe3 | 16 | { |
ca1b6e54 | 17 | return git_futils_mkdir( |
331e7de9 RB |
18 | file_path, NULL, mode, |
19 | GIT_MKDIR_PATH | GIT_MKDIR_SKIP_LAST | GIT_MKDIR_VERIFY_DIR); | |
55ffebe3 VM |
20 | } |
21 | ||
97769280 | 22 | int git_futils_mktmp(git_buf *path_out, const char *filename) |
72a3fe42 VM |
23 | { |
24 | int fd; | |
25 | ||
97769280 RB |
26 | git_buf_sets(path_out, filename); |
27 | git_buf_puts(path_out, "_git2_XXXXXX"); | |
28 | ||
29 | if (git_buf_oom(path_out)) | |
1a481123 | 30 | return -1; |
72a3fe42 | 31 | |
1a481123 VM |
32 | if ((fd = p_mkstemp(path_out->ptr)) < 0) { |
33 | giterr_set(GITERR_OS, | |
ae9e29fd | 34 | "Failed to create temporary file '%s'", path_out->ptr); |
1a481123 VM |
35 | return -1; |
36 | } | |
72a3fe42 | 37 | |
f978b748 | 38 | return fd; |
72a3fe42 VM |
39 | } |
40 | ||
ce8cd006 | 41 | int git_futils_creat_withpath(const char *path, const mode_t dirmode, const mode_t mode) |
7dd8a9f7 | 42 | { |
1a481123 | 43 | int fd; |
55ffebe3 | 44 | |
1a481123 VM |
45 | if (git_futils_mkpath2file(path, dirmode) < 0) |
46 | return -1; | |
47 | ||
48 | fd = p_creat(path, mode); | |
49 | if (fd < 0) { | |
ae9e29fd | 50 | giterr_set(GITERR_OS, "Failed to create file '%s'", path); |
1a481123 VM |
51 | return -1; |
52 | } | |
53 | ||
54 | return fd; | |
55ffebe3 VM |
55 | } |
56 | ||
33127043 | 57 | int git_futils_creat_locked(const char *path, const mode_t mode) |
1549cba9 | 58 | { |
13f36ffb | 59 | int fd = p_open(path, O_WRONLY | O_CREAT | O_TRUNC | |
3d3ea4dc | 60 | O_EXCL | O_BINARY | O_CLOEXEC, mode); |
09719c50 | 61 | |
1a481123 | 62 | if (fd < 0) { |
ae9e29fd | 63 | giterr_set(GITERR_OS, "Failed to create locked file '%s'", path); |
3d276874 | 64 | return errno == EEXIST ? GIT_ELOCKED : -1; |
1a481123 VM |
65 | } |
66 | ||
67 | return fd; | |
1549cba9 RG |
68 | } |
69 | ||
ce8cd006 | 70 | int git_futils_creat_locked_withpath(const char *path, const mode_t dirmode, const mode_t mode) |
1549cba9 | 71 | { |
1a481123 VM |
72 | if (git_futils_mkpath2file(path, dirmode) < 0) |
73 | return -1; | |
1549cba9 | 74 | |
f79026b4 | 75 | return git_futils_creat_locked(path, mode); |
ec250c6e AE |
76 | } |
77 | ||
deafee7b RB |
78 | int git_futils_open_ro(const char *path) |
79 | { | |
80 | int fd = p_open(path, O_RDONLY); | |
14997dc5 RB |
81 | if (fd < 0) |
82 | return git_path_set_error(errno, path, "open"); | |
deafee7b RB |
83 | return fd; |
84 | } | |
85 | ||
f79026b4 | 86 | git_off_t git_futils_filesize(git_file fd) |
ec250c6e | 87 | { |
7dd8a9f7 | 88 | struct stat sb; |
deafee7b RB |
89 | |
90 | if (p_fstat(fd, &sb)) { | |
91 | giterr_set(GITERR_OS, "Failed to stat file descriptor"); | |
92 | return -1; | |
93 | } | |
5ad739e8 | 94 | |
ec250c6e AE |
95 | return sb.st_size; |
96 | } | |
4188d28f | 97 | |
b6c93aef RB |
98 | mode_t git_futils_canonical_mode(mode_t raw_mode) |
99 | { | |
100 | if (S_ISREG(raw_mode)) | |
f240acce | 101 | return S_IFREG | GIT_PERMS_CANONICAL(raw_mode); |
b6c93aef RB |
102 | else if (S_ISLNK(raw_mode)) |
103 | return S_IFLNK; | |
b6c93aef RB |
104 | else if (S_ISGITLINK(raw_mode)) |
105 | return S_IFGITLINK; | |
7c7ff7d1 RB |
106 | else if (S_ISDIR(raw_mode)) |
107 | return S_IFDIR; | |
b6c93aef RB |
108 | else |
109 | return 0; | |
110 | } | |
111 | ||
60b9d3fc RB |
112 | int git_futils_readbuffer_fd(git_buf *buf, git_file fd, size_t len) |
113 | { | |
de590550 | 114 | ssize_t read_size = 0; |
60b9d3fc RB |
115 | |
116 | git_buf_clear(buf); | |
117 | ||
118 | if (git_buf_grow(buf, len + 1) < 0) | |
119 | return -1; | |
120 | ||
1f35e89d RB |
121 | /* p_read loops internally to read len bytes */ |
122 | read_size = p_read(fd, buf->ptr, len); | |
60b9d3fc | 123 | |
c859184b | 124 | if (read_size != (ssize_t)len) { |
1f35e89d RB |
125 | giterr_set(GITERR_OS, "Failed to read descriptor"); |
126 | return -1; | |
60b9d3fc RB |
127 | } |
128 | ||
1f35e89d RB |
129 | buf->ptr[read_size] = '\0'; |
130 | buf->size = read_size; | |
131 | ||
60b9d3fc RB |
132 | return 0; |
133 | } | |
134 | ||
135 | int git_futils_readbuffer_updated( | |
744cc03e | 136 | git_buf *buf, const char *path, time_t *mtime, size_t *size, int *updated) |
75d58430 RJ |
137 | { |
138 | git_file fd; | |
c3da9f06 | 139 | struct stat st; |
744cc03e | 140 | bool changed = false; |
75d58430 | 141 | |
13224ea4 | 142 | assert(buf && path && *path); |
75d58430 | 143 | |
c3da9f06 CMN |
144 | if (updated != NULL) |
145 | *updated = 0; | |
75d58430 | 146 | |
14997dc5 RB |
147 | if (p_stat(path, &st) < 0) |
148 | return git_path_set_error(errno, path, "stat"); | |
c3da9f06 | 149 | |
7c9f5bec CMN |
150 | |
151 | if (S_ISDIR(st.st_mode)) { | |
152 | giterr_set(GITERR_INVALID, "requested file is a directory"); | |
153 | return GIT_ENOTFOUND; | |
154 | } | |
155 | ||
156 | if (!git__is_sizet(st.st_size+1)) { | |
1a481123 VM |
157 | giterr_set(GITERR_OS, "Invalid regular file stat for '%s'", path); |
158 | return -1; | |
13224ea4 | 159 | } |
c3da9f06 CMN |
160 | |
161 | /* | |
744cc03e RB |
162 | * If we were given a time and/or a size, we only want to read the file |
163 | * if it has been modified. | |
c3da9f06 | 164 | */ |
744cc03e RB |
165 | if (size && *size != (size_t)st.st_size) |
166 | changed = true; | |
167 | if (mtime && *mtime != st.st_mtime) | |
168 | changed = true; | |
169 | if (!size && !mtime) | |
170 | changed = true; | |
171 | ||
172 | if (!changed) { | |
13224ea4 VM |
173 | return 0; |
174 | } | |
c3da9f06 CMN |
175 | |
176 | if (mtime != NULL) | |
177 | *mtime = st.st_mtime; | |
744cc03e RB |
178 | if (size != NULL) |
179 | *size = (size_t)st.st_size; | |
c3da9f06 | 180 | |
9ccdb211 BR |
181 | if ((fd = git_futils_open_ro(path)) < 0) |
182 | return fd; | |
183 | ||
60b9d3fc | 184 | if (git_futils_readbuffer_fd(buf, fd, (size_t)st.st_size) < 0) { |
e1de726c RB |
185 | p_close(fd); |
186 | return -1; | |
75d58430 RJ |
187 | } |
188 | ||
f79026b4 | 189 | p_close(fd); |
75d58430 | 190 | |
c3da9f06 CMN |
191 | if (updated != NULL) |
192 | *updated = 1; | |
193 | ||
13224ea4 | 194 | return 0; |
c3da9f06 CMN |
195 | } |
196 | ||
13224ea4 | 197 | int git_futils_readbuffer(git_buf *buf, const char *path) |
97769280 | 198 | { |
744cc03e | 199 | return git_futils_readbuffer_updated(buf, path, NULL, NULL, NULL); |
97769280 RB |
200 | } |
201 | ||
4742148d RB |
202 | int git_futils_writebuffer( |
203 | const git_buf *buf, const char *path, int flags, mode_t mode) | |
204 | { | |
205 | int fd, error = 0; | |
206 | ||
207 | if (flags <= 0) | |
208 | flags = O_CREAT | O_TRUNC | O_WRONLY; | |
209 | if (!mode) | |
210 | mode = GIT_FILEMODE_BLOB; | |
211 | ||
212 | if ((fd = p_open(path, flags, mode)) < 0) { | |
213 | giterr_set(GITERR_OS, "Could not open '%s' for writing", path); | |
214 | return fd; | |
215 | } | |
216 | ||
217 | if ((error = p_write(fd, git_buf_cstr(buf), git_buf_len(buf))) < 0) { | |
218 | giterr_set(GITERR_OS, "Could not write to '%s'", path); | |
219 | (void)p_close(fd); | |
f5254d78 | 220 | return error; |
4742148d RB |
221 | } |
222 | ||
223 | if ((error = p_close(fd)) < 0) | |
224 | giterr_set(GITERR_OS, "Error while closing '%s'", path); | |
225 | ||
226 | return error; | |
227 | } | |
228 | ||
ce8cd006 | 229 | int git_futils_mv_withpath(const char *from, const char *to, const mode_t dirmode) |
19a30a3f | 230 | { |
deafee7b RB |
231 | if (git_futils_mkpath2file(to, dirmode) < 0) |
232 | return -1; | |
19a30a3f | 233 | |
deafee7b RB |
234 | if (p_rename(from, to) < 0) { |
235 | giterr_set(GITERR_OS, "Failed to rename '%s' to '%s'", from, to); | |
236 | return -1; | |
237 | } | |
238 | ||
239 | return 0; | |
19a30a3f VM |
240 | } |
241 | ||
f79026b4 | 242 | int git_futils_mmap_ro(git_map *out, git_file fd, git_off_t begin, size_t len) |
20e7f426 | 243 | { |
f79026b4 | 244 | return p_mmap(out, len, GIT_PROT_READ, GIT_MAP_SHARED, fd, begin); |
20e7f426 SP |
245 | } |
246 | ||
74fa4bfa RB |
247 | int git_futils_mmap_ro_file(git_map *out, const char *path) |
248 | { | |
0d0fa7c3 RB |
249 | git_file fd = git_futils_open_ro(path); |
250 | git_off_t len; | |
da9abdd6 | 251 | int result; |
0d0fa7c3 RB |
252 | |
253 | if (fd < 0) | |
254 | return fd; | |
255 | ||
256 | len = git_futils_filesize(fd); | |
deafee7b RB |
257 | if (!git__is_sizet(len)) { |
258 | giterr_set(GITERR_OS, "File `%s` too large to mmap", path); | |
259 | return -1; | |
260 | } | |
0d0fa7c3 | 261 | |
da9abdd6 | 262 | result = git_futils_mmap_ro(out, fd, 0, (size_t)len); |
74fa4bfa RB |
263 | p_close(fd); |
264 | return result; | |
265 | } | |
266 | ||
f79026b4 | 267 | void git_futils_mmap_free(git_map *out) |
20e7f426 | 268 | { |
f79026b4 | 269 | p_munmap(out); |
20e7f426 SP |
270 | } |
271 | ||
ca1b6e54 RB |
272 | int git_futils_mkdir( |
273 | const char *path, | |
274 | const char *base, | |
275 | mode_t mode, | |
276 | uint32_t flags) | |
1a5204a7 | 277 | { |
f7e56150 | 278 | int error = -1; |
97769280 | 279 | git_buf make_path = GIT_BUF_INIT; |
2e1fa15f | 280 | ssize_t root = 0, min_root_len; |
f7e56150 | 281 | char lastch = '/', *tail; |
999d4405 | 282 | struct stat st; |
dc07184f | 283 | |
ca1b6e54 RB |
284 | /* build path and find "root" where we should start calling mkdir */ |
285 | if (git_path_join_unrooted(&make_path, path, base, &root) < 0) | |
286 | return -1; | |
dc07184f | 287 | |
ca1b6e54 RB |
288 | if (make_path.size == 0) { |
289 | giterr_set(GITERR_OS, "Attempt to create empty path"); | |
999d4405 | 290 | goto done; |
97769280 | 291 | } |
f0b2bfe5 | 292 | |
ca1b6e54 RB |
293 | /* remove trailing slashes on path */ |
294 | while (make_path.ptr[make_path.size - 1] == '/') { | |
295 | make_path.size--; | |
296 | make_path.ptr[make_path.size] = '\0'; | |
297 | } | |
412de9a6 | 298 | |
ca1b6e54 | 299 | /* if we are not supposed to made the last element, truncate it */ |
3c42e4ef RB |
300 | if ((flags & GIT_MKDIR_SKIP_LAST2) != 0) { |
301 | git_buf_rtruncate_at_char(&make_path, '/'); | |
302 | flags |= GIT_MKDIR_SKIP_LAST; | |
303 | } | |
ca1b6e54 RB |
304 | if ((flags & GIT_MKDIR_SKIP_LAST) != 0) |
305 | git_buf_rtruncate_at_char(&make_path, '/'); | |
306 | ||
f7e56150 RB |
307 | /* if nothing left after truncation, then we're done! */ |
308 | if (!make_path.size) { | |
309 | error = 0; | |
310 | goto done; | |
311 | } | |
312 | ||
ca1b6e54 RB |
313 | /* if we are not supposed to make the whole path, reset root */ |
314 | if ((flags & GIT_MKDIR_PATH) == 0) | |
315 | root = git_buf_rfind(&make_path, '/'); | |
316 | ||
f7e56150 RB |
317 | /* advance root past drive name or network mount prefix */ |
318 | min_root_len = git_path_root(make_path.ptr); | |
319 | if (root < min_root_len) | |
320 | root = min_root_len; | |
2da72fb2 | 321 | while (root >= 0 && make_path.ptr[root] == '/') |
f7e56150 RB |
322 | ++root; |
323 | ||
ca1b6e54 | 324 | /* clip root to make_path length */ |
f7e56150 RB |
325 | if (root > (ssize_t)make_path.size) |
326 | root = (ssize_t)make_path.size; /* i.e. NUL byte of string */ | |
0e26202c RB |
327 | if (root < 0) |
328 | root = 0; | |
ca1b6e54 | 329 | |
f7e56150 RB |
330 | /* walk down tail of path making each directory */ |
331 | for (tail = &make_path.ptr[root]; *tail; *tail = lastch) { | |
999d4405 | 332 | |
ca1b6e54 RB |
333 | /* advance tail to include next path component */ |
334 | while (*tail == '/') | |
335 | tail++; | |
336 | while (*tail && *tail != '/') | |
337 | tail++; | |
338 | ||
339 | /* truncate path at next component */ | |
340 | lastch = *tail; | |
341 | *tail = '\0'; | |
999d4405 | 342 | st.st_mode = 0; |
ca1b6e54 RB |
343 | |
344 | /* make directory */ | |
331e7de9 | 345 | if (p_mkdir(make_path.ptr, mode) < 0) { |
c2408a69 | 346 | int tmp_errno = giterr_system_last(); |
999d4405 RB |
347 | |
348 | /* ignore error if directory already exists */ | |
022a45e0 | 349 | if (p_stat(make_path.ptr, &st) < 0 || !S_ISDIR(st.st_mode)) { |
c2408a69 | 350 | giterr_system_set(tmp_errno); |
f7e56150 | 351 | giterr_set(GITERR_OS, "Failed to make directory '%s'", make_path.ptr); |
999d4405 | 352 | goto done; |
6c72035f PK |
353 | } |
354 | ||
999d4405 RB |
355 | /* with exclusive create, existing dir is an error */ |
356 | if ((flags & GIT_MKDIR_EXCL) != 0) { | |
f7e56150 | 357 | giterr_set(GITERR_OS, "Directory already exists '%s'", make_path.ptr); |
6c72035f | 358 | error = GIT_EEXISTS; |
999d4405 | 359 | goto done; |
331e7de9 | 360 | } |
d5f25204 | 361 | } |
40c44d2f | 362 | |
999d4405 | 363 | /* chmod if requested and necessary */ |
f7e56150 RB |
364 | if (((flags & GIT_MKDIR_CHMOD_PATH) != 0 || |
365 | (lastch == '\0' && (flags & GIT_MKDIR_CHMOD) != 0)) && | |
366 | st.st_mode != mode && | |
367 | (error = p_chmod(make_path.ptr, mode)) < 0) { | |
368 | giterr_set(GITERR_OS, "Failed to set permissions on '%s'", make_path.ptr); | |
369 | goto done; | |
ca1b6e54 | 370 | } |
a993e4fe | 371 | } |
40c44d2f | 372 | |
999d4405 RB |
373 | error = 0; |
374 | ||
375 | /* check that full path really is a directory if requested & needed */ | |
f7e56150 RB |
376 | if ((flags & GIT_MKDIR_VERIFY_DIR) != 0 && |
377 | lastch != '\0' && | |
999d4405 | 378 | (p_stat(make_path.ptr, &st) < 0 || !S_ISDIR(st.st_mode))) { |
f7e56150 | 379 | giterr_set(GITERR_OS, "Path is not a directory '%s'", make_path.ptr); |
999d4405 RB |
380 | error = GIT_ENOTFOUND; |
381 | } | |
77c3999c | 382 | |
999d4405 | 383 | done: |
ca1b6e54 | 384 | git_buf_free(&make_path); |
331e7de9 | 385 | return error; |
ca1b6e54 | 386 | } |
77c3999c | 387 | |
ca1b6e54 RB |
388 | int git_futils_mkdir_r(const char *path, const char *base, const mode_t mode) |
389 | { | |
390 | return git_futils_mkdir(path, base, mode, GIT_MKDIR_PATH); | |
170d3f2f | 391 | } |
392 | ||
331e7de9 | 393 | typedef struct { |
ad9a921b | 394 | const char *base; |
7e5c8a5b | 395 | size_t baselen; |
331e7de9 RB |
396 | uint32_t flags; |
397 | int error; | |
219d3457 | 398 | int depth; |
331e7de9 RB |
399 | } futils__rmdir_data; |
400 | ||
219d3457 RB |
401 | #define FUTILS_MAX_DEPTH 100 |
402 | ||
331e7de9 | 403 | static int futils__error_cannot_rmdir(const char *path, const char *filemsg) |
42b3a460 | 404 | { |
331e7de9 RB |
405 | if (filemsg) |
406 | giterr_set(GITERR_OS, "Could not remove directory. File '%s' %s", | |
407 | path, filemsg); | |
408 | else | |
409 | giterr_set(GITERR_OS, "Could not remove directory '%s'", path); | |
555aa453 | 410 | |
331e7de9 RB |
411 | return -1; |
412 | } | |
deafee7b | 413 | |
ad9a921b RB |
414 | static int futils__rm_first_parent(git_buf *path, const char *ceiling) |
415 | { | |
416 | int error = GIT_ENOTFOUND; | |
417 | struct stat st; | |
418 | ||
419 | while (error == GIT_ENOTFOUND) { | |
420 | git_buf_rtruncate_at_char(path, '/'); | |
421 | ||
422 | if (!path->size || git__prefixcmp(path->ptr, ceiling) != 0) | |
423 | error = 0; | |
cccacac5 | 424 | else if (p_lstat_posixly(path->ptr, &st) == 0) { |
ad9a921b RB |
425 | if (S_ISREG(st.st_mode) || S_ISLNK(st.st_mode)) |
426 | error = p_unlink(path->ptr); | |
427 | else if (!S_ISDIR(st.st_mode)) | |
428 | error = -1; /* fail to remove non-regular file */ | |
429 | } else if (errno != ENOTDIR) | |
430 | error = -1; | |
431 | } | |
432 | ||
433 | if (error) | |
434 | futils__error_cannot_rmdir(path->ptr, "cannot remove parent"); | |
435 | ||
436 | return error; | |
437 | } | |
438 | ||
331e7de9 RB |
439 | static int futils__rmdir_recurs_foreach(void *opaque, git_buf *path) |
440 | { | |
441 | futils__rmdir_data *data = opaque; | |
14997dc5 RB |
442 | int error = data->error; |
443 | struct stat st; | |
555aa453 | 444 | |
14997dc5 RB |
445 | if (data->depth > FUTILS_MAX_DEPTH) |
446 | error = futils__error_cannot_rmdir( | |
447 | path->ptr, "directory nesting too deep"); | |
219d3457 | 448 | |
14997dc5 | 449 | else if ((error = p_lstat_posixly(path->ptr, &st)) < 0) { |
ad9a921b | 450 | if (errno == ENOENT) |
14997dc5 | 451 | error = 0; |
ad9a921b RB |
452 | else if (errno == ENOTDIR) { |
453 | /* asked to remove a/b/c/d/e and a/b is a normal file */ | |
454 | if ((data->flags & GIT_RMDIR_REMOVE_BLOCKERS) != 0) | |
14997dc5 | 455 | error = futils__rm_first_parent(path, data->base); |
ad9a921b RB |
456 | else |
457 | futils__error_cannot_rmdir( | |
458 | path->ptr, "parent is not directory"); | |
459 | } | |
460 | else | |
14997dc5 | 461 | error = git_path_set_error(errno, path->ptr, "rmdir"); |
ad9a921b RB |
462 | } |
463 | ||
464 | else if (S_ISDIR(st.st_mode)) { | |
219d3457 RB |
465 | data->depth++; |
466 | ||
14997dc5 RB |
467 | error = git_path_direach(path, 0, futils__rmdir_recurs_foreach, data); |
468 | if (error < 0) | |
469 | return (error == GIT_EUSER) ? data->error : error; | |
219d3457 RB |
470 | |
471 | data->depth--; | |
472 | ||
473 | if (data->depth == 0 && (data->flags & GIT_RMDIR_SKIP_ROOT) != 0) | |
474 | return data->error; | |
331e7de9 | 475 | |
14997dc5 | 476 | if ((error = p_rmdir(path->ptr)) < 0) { |
331e7de9 | 477 | if ((data->flags & GIT_RMDIR_SKIP_NONEMPTY) != 0 && |
e09d18ee | 478 | (errno == ENOTEMPTY || errno == EEXIST || errno == EBUSY)) |
14997dc5 | 479 | error = 0; |
331e7de9 | 480 | else |
14997dc5 | 481 | error = git_path_set_error(errno, path->ptr, "rmdir"); |
deafee7b | 482 | } |
858dba58 VM |
483 | } |
484 | ||
331e7de9 | 485 | else if ((data->flags & GIT_RMDIR_REMOVE_FILES) != 0) { |
14997dc5 RB |
486 | if (p_unlink(path->ptr) < 0) |
487 | error = git_path_set_error(errno, path->ptr, "remove"); | |
deafee7b RB |
488 | } |
489 | ||
ad9a921b | 490 | else if ((data->flags & GIT_RMDIR_SKIP_NONEMPTY) == 0) |
14997dc5 | 491 | error = futils__error_cannot_rmdir(path->ptr, "still present"); |
555aa453 | 492 | |
14997dc5 RB |
493 | data->error = error; |
494 | return error; | |
331e7de9 RB |
495 | } |
496 | ||
497 | static int futils__rmdir_empty_parent(void *opaque, git_buf *path) | |
498 | { | |
7e5c8a5b RB |
499 | futils__rmdir_data *data = opaque; |
500 | int error; | |
501 | ||
502 | if (git_buf_len(path) <= data->baselen) | |
503 | return GIT_ITEROVER; | |
331e7de9 | 504 | |
7e5c8a5b | 505 | error = p_rmdir(git_buf_cstr(path)); |
331e7de9 RB |
506 | |
507 | if (error) { | |
508 | int en = errno; | |
509 | ||
510 | if (en == ENOENT || en == ENOTDIR) { | |
511 | giterr_clear(); | |
512 | error = 0; | |
e09d18ee | 513 | } else if (en == ENOTEMPTY || en == EEXIST || en == EBUSY) { |
331e7de9 RB |
514 | giterr_clear(); |
515 | error = GIT_ITEROVER; | |
516 | } else { | |
14997dc5 | 517 | error = git_path_set_error(errno, git_buf_cstr(path), "rmdir"); |
331e7de9 RB |
518 | } |
519 | } | |
520 | ||
521 | return error; | |
42b3a460 MS |
522 | } |
523 | ||
0d64bef9 | 524 | int git_futils_rmdir_r( |
331e7de9 | 525 | const char *path, const char *base, uint32_t flags) |
42b3a460 | 526 | { |
97769280 | 527 | int error; |
0d64bef9 | 528 | git_buf fullpath = GIT_BUF_INIT; |
219d3457 | 529 | futils__rmdir_data data = { 0 }; |
0d64bef9 RB |
530 | |
531 | /* build path and find "root" where we should start calling mkdir */ | |
532 | if (git_path_join_unrooted(&fullpath, path, base, NULL) < 0) | |
533 | return -1; | |
534 | ||
7e5c8a5b RB |
535 | data.base = base ? base : ""; |
536 | data.baselen = base ? strlen(base) : 0; | |
537 | data.flags = flags; | |
331e7de9 RB |
538 | |
539 | error = futils__rmdir_recurs_foreach(&data, &fullpath); | |
540 | ||
541 | /* remove now-empty parents if requested */ | |
542 | if (!error && (flags & GIT_RMDIR_EMPTY_PARENTS) != 0) { | |
543 | error = git_path_walk_up( | |
544 | &fullpath, base, futils__rmdir_empty_parent, &data); | |
545 | ||
546 | if (error == GIT_ITEROVER) | |
547 | error = 0; | |
548 | } | |
0d64bef9 RB |
549 | |
550 | git_buf_free(&fullpath); | |
97769280 | 551 | |
97769280 | 552 | return error; |
42b3a460 MS |
553 | } |
554 | ||
5540d947 | 555 | |
41954a49 | 556 | static int git_futils_guess_system_dirs(git_buf *out) |
32a4e3b7 SS |
557 | { |
558 | #ifdef GIT_WIN32 | |
f84bc388 | 559 | return git_win32__find_system_dirs(out, L"etc\\"); |
5540d947 | 560 | #else |
41954a49 | 561 | return git_buf_sets(out, "/etc"); |
5540d947 RB |
562 | #endif |
563 | } | |
32a4e3b7 | 564 | |
41954a49 | 565 | static int git_futils_guess_global_dirs(git_buf *out) |
5540d947 RB |
566 | { |
567 | #ifdef GIT_WIN32 | |
32460251 | 568 | return git_win32__find_global_dirs(out); |
349fb6d7 | 569 | #else |
41954a49 | 570 | return git_buf_sets(out, getenv("HOME")); |
5540d947 RB |
571 | #endif |
572 | } | |
73b51450 | 573 | |
41954a49 | 574 | static int git_futils_guess_xdg_dirs(git_buf *out) |
5540d947 RB |
575 | { |
576 | #ifdef GIT_WIN32 | |
32460251 | 577 | return git_win32__find_xdg_dirs(out); |
5540d947 | 578 | #else |
5540d947 RB |
579 | const char *env = NULL; |
580 | ||
581 | if ((env = getenv("XDG_CONFIG_HOME")) != NULL) | |
41954a49 | 582 | return git_buf_joinpath(out, env, "git"); |
5540d947 | 583 | else if ((env = getenv("HOME")) != NULL) |
41954a49 | 584 | return git_buf_joinpath(out, env, ".config/git"); |
5540d947 | 585 | |
41954a49 RB |
586 | git_buf_clear(out); |
587 | return 0; | |
32a4e3b7 | 588 | #endif |
5540d947 | 589 | } |
73b51450 | 590 | |
7e8934bb L |
591 | static int git_futils_guess_template_dirs(git_buf *out) |
592 | { | |
593 | #ifdef GIT_WIN32 | |
594 | return git_win32__find_system_dirs(out, L"share\\git-core\\templates"); | |
595 | #else | |
596 | return git_buf_sets(out, "/usr/share/git-core/templates"); | |
597 | #endif | |
598 | } | |
599 | ||
41954a49 RB |
600 | typedef int (*git_futils_dirs_guess_cb)(git_buf *out); |
601 | ||
602 | static git_buf git_futils__dirs[GIT_FUTILS_DIR__MAX] = | |
7e8934bb | 603 | { GIT_BUF_INIT, GIT_BUF_INIT, GIT_BUF_INIT, GIT_BUF_INIT }; |
5540d947 | 604 | |
5540d947 RB |
605 | static git_futils_dirs_guess_cb git_futils__dir_guess[GIT_FUTILS_DIR__MAX] = { |
606 | git_futils_guess_system_dirs, | |
607 | git_futils_guess_global_dirs, | |
608 | git_futils_guess_xdg_dirs, | |
7e8934bb | 609 | git_futils_guess_template_dirs, |
5540d947 RB |
610 | }; |
611 | ||
a3aa5f4d RB |
612 | static void git_futils_dirs_global_shutdown(void) |
613 | { | |
614 | int i; | |
615 | for (i = 0; i < GIT_FUTILS_DIR__MAX; ++i) | |
616 | git_buf_free(&git_futils__dirs[i]); | |
617 | } | |
618 | ||
0a1c8f55 ET |
619 | int git_futils_dirs_global_init(void) |
620 | { | |
621 | git_futils_dir_t i; | |
989710d9 | 622 | const git_buf *path; |
0a1c8f55 ET |
623 | int error = 0; |
624 | ||
989710d9 RB |
625 | for (i = 0; !error && i < GIT_FUTILS_DIR__MAX; i++) |
626 | error = git_futils_dirs_get(&path, i); | |
0a1c8f55 | 627 | |
a3aa5f4d RB |
628 | git__on_shutdown(git_futils_dirs_global_shutdown); |
629 | ||
0a1c8f55 ET |
630 | return error; |
631 | } | |
632 | ||
5540d947 RB |
633 | static int git_futils_check_selector(git_futils_dir_t which) |
634 | { | |
635 | if (which < GIT_FUTILS_DIR__MAX) | |
636 | return 0; | |
637 | giterr_set(GITERR_INVALID, "config directory selector out of range"); | |
638 | return -1; | |
349fb6d7 | 639 | } |
73b51450 | 640 | |
41954a49 | 641 | int git_futils_dirs_get(const git_buf **out, git_futils_dir_t which) |
349fb6d7 | 642 | { |
41954a49 | 643 | assert(out); |
349fb6d7 | 644 | |
5540d947 | 645 | *out = NULL; |
29ef309e | 646 | |
5540d947 | 647 | GITERR_CHECK_ERROR(git_futils_check_selector(which)); |
0d422ec9 | 648 | |
41954a49 RB |
649 | if (!git_buf_len(&git_futils__dirs[which])) |
650 | GITERR_CHECK_ERROR( | |
651 | git_futils__dir_guess[which](&git_futils__dirs[which])); | |
349fb6d7 | 652 | |
5540d947 RB |
653 | *out = &git_futils__dirs[which]; |
654 | return 0; | |
655 | } | |
656 | ||
41954a49 | 657 | int git_futils_dirs_get_str(char *out, size_t outlen, git_futils_dir_t which) |
5540d947 | 658 | { |
41954a49 RB |
659 | const git_buf *path = NULL; |
660 | ||
5540d947 | 661 | GITERR_CHECK_ERROR(git_futils_check_selector(which)); |
41954a49 RB |
662 | GITERR_CHECK_ERROR(git_futils_dirs_get(&path, which)); |
663 | ||
664 | if (!out || path->size >= outlen) { | |
665 | giterr_set(GITERR_NOMEMORY, "Buffer is too short for the path"); | |
666 | return GIT_EBUFS; | |
667 | } | |
5540d947 | 668 | |
41954a49 RB |
669 | git_buf_copy_cstr(out, outlen, path); |
670 | return 0; | |
671 | } | |
5540d947 | 672 | |
41954a49 RB |
673 | #define PATH_MAGIC "$PATH" |
674 | ||
675 | int git_futils_dirs_set(git_futils_dir_t which, const char *search_path) | |
676 | { | |
677 | const char *expand_path = NULL; | |
678 | git_buf merge = GIT_BUF_INIT; | |
679 | ||
680 | GITERR_CHECK_ERROR(git_futils_check_selector(which)); | |
681 | ||
682 | if (search_path != NULL) | |
683 | expand_path = strstr(search_path, PATH_MAGIC); | |
684 | ||
685 | /* init with default if not yet done and needed (ignoring error) */ | |
686 | if ((!search_path || expand_path) && | |
687 | !git_buf_len(&git_futils__dirs[which])) | |
5540d947 RB |
688 | git_futils__dir_guess[which](&git_futils__dirs[which]); |
689 | ||
41954a49 RB |
690 | /* if $PATH is not referenced, then just set the path */ |
691 | if (!expand_path) | |
692 | return git_buf_sets(&git_futils__dirs[which], search_path); | |
693 | ||
694 | /* otherwise set to join(before $PATH, old value, after $PATH) */ | |
695 | if (expand_path > search_path) | |
696 | git_buf_set(&merge, search_path, expand_path - search_path); | |
697 | ||
698 | if (git_buf_len(&git_futils__dirs[which])) | |
699 | git_buf_join(&merge, GIT_PATH_LIST_SEPARATOR, | |
700 | merge.ptr, git_futils__dirs[which].ptr); | |
701 | ||
702 | expand_path += strlen(PATH_MAGIC); | |
703 | if (*expand_path) | |
704 | git_buf_join(&merge, GIT_PATH_LIST_SEPARATOR, merge.ptr, expand_path); | |
705 | ||
706 | git_buf_swap(&git_futils__dirs[which], &merge); | |
707 | git_buf_free(&merge); | |
708 | ||
709 | return git_buf_oom(&git_futils__dirs[which]) ? -1 : 0; | |
710 | } | |
711 | ||
5540d947 RB |
712 | static int git_futils_find_in_dirlist( |
713 | git_buf *path, const char *name, git_futils_dir_t which, const char *label) | |
714 | { | |
41954a49 RB |
715 | size_t len; |
716 | const char *scan, *next = NULL; | |
717 | const git_buf *syspath; | |
5540d947 | 718 | |
41954a49 | 719 | GITERR_CHECK_ERROR(git_futils_dirs_get(&syspath, which)); |
5540d947 | 720 | |
41954a49 RB |
721 | for (scan = git_buf_cstr(syspath); scan; scan = next) { |
722 | for (next = strchr(scan, GIT_PATH_LIST_SEPARATOR); | |
723 | next && next > scan && next[-1] == '\\'; | |
724 | next = strchr(next + 1, GIT_PATH_LIST_SEPARATOR)) | |
725 | /* find unescaped separator or end of string */; | |
726 | ||
727 | len = next ? (size_t)(next++ - scan) : strlen(scan); | |
728 | if (!len) | |
0d422ec9 RB |
729 | continue; |
730 | ||
41954a49 | 731 | GITERR_CHECK_ERROR(git_buf_set(path, scan, len)); |
a025907e L |
732 | if (name) |
733 | GITERR_CHECK_ERROR(git_buf_joinpath(path, path->ptr, name)); | |
349fb6d7 | 734 | |
5540d947 | 735 | if (git_path_exists(path->ptr)) |
aed8f8a1 | 736 | return 0; |
349fb6d7 VM |
737 | } |
738 | ||
0d422ec9 | 739 | git_buf_clear(path); |
5540d947 | 740 | giterr_set(GITERR_OS, "The %s file '%s' doesn't exist", label, name); |
0d422ec9 | 741 | return GIT_ENOTFOUND; |
5540d947 | 742 | } |
349fb6d7 | 743 | |
5540d947 RB |
744 | int git_futils_find_system_file(git_buf *path, const char *filename) |
745 | { | |
746 | return git_futils_find_in_dirlist( | |
747 | path, filename, GIT_FUTILS_DIR_SYSTEM, "system"); | |
748 | } | |
349fb6d7 | 749 | |
5540d947 RB |
750 | int git_futils_find_global_file(git_buf *path, const char *filename) |
751 | { | |
752 | return git_futils_find_in_dirlist( | |
753 | path, filename, GIT_FUTILS_DIR_GLOBAL, "global"); | |
754 | } | |
349fb6d7 | 755 | |
5540d947 RB |
756 | int git_futils_find_xdg_file(git_buf *path, const char *filename) |
757 | { | |
758 | return git_futils_find_in_dirlist( | |
759 | path, filename, GIT_FUTILS_DIR_XDG, "global/xdg"); | |
73b51450 | 760 | } |
8651c10f | 761 | |
a025907e L |
762 | int git_futils_find_template_dir(git_buf *path) |
763 | { | |
764 | return git_futils_find_in_dirlist( | |
765 | path, NULL, GIT_FUTILS_DIR_TEMPLATE, "template"); | |
766 | } | |
767 | ||
8651c10f BS |
768 | int git_futils_fake_symlink(const char *old, const char *new) |
769 | { | |
770 | int retcode = GIT_ERROR; | |
771 | int fd = git_futils_creat_withpath(new, 0755, 0644); | |
772 | if (fd >= 0) { | |
773 | retcode = p_write(fd, old, strlen(old)); | |
774 | p_close(fd); | |
775 | } | |
776 | return retcode; | |
777 | } | |
ca1b6e54 | 778 | |
85bd1746 | 779 | static int cp_by_fd(int ifd, int ofd, bool close_fd_when_done) |
ca1b6e54 RB |
780 | { |
781 | int error = 0; | |
782 | char buffer[4096]; | |
783 | ssize_t len = 0; | |
784 | ||
785 | while (!error && (len = p_read(ifd, buffer, sizeof(buffer))) > 0) | |
786 | /* p_write() does not have the same semantics as write(). It loops | |
787 | * internally and will return 0 when it has completed writing. | |
788 | */ | |
789 | error = p_write(ofd, buffer, len); | |
790 | ||
791 | if (len < 0) { | |
792 | giterr_set(GITERR_OS, "Read error while copying file"); | |
793 | error = (int)len; | |
794 | } | |
795 | ||
85bd1746 | 796 | if (close_fd_when_done) { |
ca1b6e54 RB |
797 | p_close(ifd); |
798 | p_close(ofd); | |
799 | } | |
800 | ||
801 | return error; | |
802 | } | |
803 | ||
85bd1746 | 804 | int git_futils_cp(const char *from, const char *to, mode_t filemode) |
ca1b6e54 RB |
805 | { |
806 | int ifd, ofd; | |
807 | ||
ca1b6e54 RB |
808 | if ((ifd = git_futils_open_ro(from)) < 0) |
809 | return ifd; | |
810 | ||
811 | if ((ofd = p_open(to, O_WRONLY | O_CREAT | O_EXCL, filemode)) < 0) { | |
ca1b6e54 | 812 | p_close(ifd); |
14997dc5 | 813 | return git_path_set_error(errno, to, "open for writing"); |
ca1b6e54 RB |
814 | } |
815 | ||
85bd1746 | 816 | return cp_by_fd(ifd, ofd, true); |
ca1b6e54 RB |
817 | } |
818 | ||
85bd1746 | 819 | static int cp_link(const char *from, const char *to, size_t link_size) |
ca1b6e54 RB |
820 | { |
821 | int error = 0; | |
822 | ssize_t read_len; | |
85bd1746 | 823 | char *link_data = git__malloc(link_size + 1); |
ca1b6e54 RB |
824 | GITERR_CHECK_ALLOC(link_data); |
825 | ||
85bd1746 RB |
826 | read_len = p_readlink(from, link_data, link_size); |
827 | if (read_len != (ssize_t)link_size) { | |
ca1b6e54 RB |
828 | giterr_set(GITERR_OS, "Failed to read symlink data for '%s'", from); |
829 | error = -1; | |
830 | } | |
831 | else { | |
832 | link_data[read_len] = '\0'; | |
833 | ||
834 | if (p_symlink(link_data, to) < 0) { | |
835 | giterr_set(GITERR_OS, "Could not symlink '%s' as '%s'", | |
836 | link_data, to); | |
837 | error = -1; | |
838 | } | |
839 | } | |
840 | ||
841 | git__free(link_data); | |
842 | return error; | |
843 | } | |
844 | ||
845 | typedef struct { | |
846 | const char *to_root; | |
847 | git_buf to; | |
848 | ssize_t from_prefix; | |
849 | uint32_t flags; | |
850 | uint32_t mkdir_flags; | |
851 | mode_t dirmode; | |
d0cd6c42 | 852 | int error; |
ca1b6e54 RB |
853 | } cp_r_info; |
854 | ||
3c42e4ef RB |
855 | #define GIT_CPDIR__MKDIR_DONE_FOR_TO_ROOT (1u << 10) |
856 | ||
857 | static int _cp_r_mkdir(cp_r_info *info, git_buf *from) | |
858 | { | |
859 | int error = 0; | |
860 | ||
861 | /* create root directory the first time we need to create a directory */ | |
862 | if ((info->flags & GIT_CPDIR__MKDIR_DONE_FOR_TO_ROOT) == 0) { | |
863 | error = git_futils_mkdir( | |
864 | info->to_root, NULL, info->dirmode, | |
18f08264 | 865 | (info->flags & GIT_CPDIR_CHMOD_DIRS) ? GIT_MKDIR_CHMOD : 0); |
3c42e4ef RB |
866 | |
867 | info->flags |= GIT_CPDIR__MKDIR_DONE_FOR_TO_ROOT; | |
868 | } | |
869 | ||
870 | /* create directory with root as base to prevent excess chmods */ | |
871 | if (!error) | |
872 | error = git_futils_mkdir( | |
873 | from->ptr + info->from_prefix, info->to_root, | |
874 | info->dirmode, info->mkdir_flags); | |
875 | ||
876 | return error; | |
877 | } | |
878 | ||
ca1b6e54 RB |
879 | static int _cp_r_callback(void *ref, git_buf *from) |
880 | { | |
3c42e4ef | 881 | int error = 0; |
ca1b6e54 RB |
882 | cp_r_info *info = ref; |
883 | struct stat from_st, to_st; | |
884 | bool exists = false; | |
885 | ||
886 | if ((info->flags & GIT_CPDIR_COPY_DOTFILES) == 0 && | |
887 | from->ptr[git_path_basename_offset(from)] == '.') | |
888 | return 0; | |
889 | ||
890 | if (git_buf_joinpath( | |
d0cd6c42 | 891 | &info->to, info->to_root, from->ptr + info->from_prefix) < 0) { |
892 | error = -1; | |
893 | goto exit; | |
894 | } | |
ca1b6e54 | 895 | |
14997dc5 | 896 | if (!(error = git_path_lstat(info->to.ptr, &to_st))) |
ca1b6e54 | 897 | exists = true; |
14997dc5 RB |
898 | else if (error != GIT_ENOTFOUND) |
899 | goto exit; | |
900 | else { | |
901 | giterr_clear(); | |
902 | error = 0; | |
903 | } | |
ca1b6e54 | 904 | |
3c42e4ef | 905 | if ((error = git_path_lstat(from->ptr, &from_st)) < 0) |
d0cd6c42 | 906 | goto exit; |
ca1b6e54 RB |
907 | |
908 | if (S_ISDIR(from_st.st_mode)) { | |
ca1b6e54 RB |
909 | mode_t oldmode = info->dirmode; |
910 | ||
911 | /* if we are not chmod'ing, then overwrite dirmode */ | |
18f08264 | 912 | if ((info->flags & GIT_CPDIR_CHMOD_DIRS) == 0) |
ca1b6e54 RB |
913 | info->dirmode = from_st.st_mode; |
914 | ||
915 | /* make directory now if CREATE_EMPTY_DIRS is requested and needed */ | |
916 | if (!exists && (info->flags & GIT_CPDIR_CREATE_EMPTY_DIRS) != 0) | |
3c42e4ef | 917 | error = _cp_r_mkdir(info, from); |
ca1b6e54 RB |
918 | |
919 | /* recurse onto target directory */ | |
219d3457 RB |
920 | if (!error && (!exists || S_ISDIR(to_st.st_mode))) { |
921 | error = git_path_direach(from, 0, _cp_r_callback, info); | |
922 | ||
923 | if (error == GIT_EUSER) | |
924 | error = info->error; | |
925 | } | |
ca1b6e54 RB |
926 | |
927 | if (oldmode != 0) | |
928 | info->dirmode = oldmode; | |
929 | ||
d0cd6c42 | 930 | goto exit; |
ca1b6e54 RB |
931 | } |
932 | ||
933 | if (exists) { | |
934 | if ((info->flags & GIT_CPDIR_OVERWRITE) == 0) | |
935 | return 0; | |
936 | ||
937 | if (p_unlink(info->to.ptr) < 0) { | |
938 | giterr_set(GITERR_OS, "Cannot overwrite existing file '%s'", | |
939 | info->to.ptr); | |
d0cd6c42 | 940 | error = -1; |
941 | goto exit; | |
ca1b6e54 RB |
942 | } |
943 | } | |
944 | ||
945 | /* Done if this isn't a regular file or a symlink */ | |
946 | if (!S_ISREG(from_st.st_mode) && | |
947 | (!S_ISLNK(from_st.st_mode) || | |
948 | (info->flags & GIT_CPDIR_COPY_SYMLINKS) == 0)) | |
949 | return 0; | |
950 | ||
951 | /* Make container directory on demand if needed */ | |
952 | if ((info->flags & GIT_CPDIR_CREATE_EMPTY_DIRS) == 0 && | |
3c42e4ef | 953 | (error = _cp_r_mkdir(info, from)) < 0) |
d0cd6c42 | 954 | goto exit; |
ca1b6e54 RB |
955 | |
956 | /* make symlink or regular file */ | |
957 | if (S_ISLNK(from_st.st_mode)) | |
3c42e4ef RB |
958 | error = cp_link(from->ptr, info->to.ptr, (size_t)from_st.st_size); |
959 | else { | |
960 | mode_t usemode = from_st.st_mode; | |
961 | ||
18f08264 | 962 | if ((info->flags & GIT_CPDIR_SIMPLE_TO_MODE) != 0) |
f240acce | 963 | usemode = GIT_PERMS_FOR_WRITE(usemode); |
3c42e4ef RB |
964 | |
965 | error = git_futils_cp(from->ptr, info->to.ptr, usemode); | |
3c42e4ef RB |
966 | } |
967 | ||
d0cd6c42 | 968 | exit: |
969 | info->error = error; | |
3c42e4ef | 970 | return error; |
ca1b6e54 RB |
971 | } |
972 | ||
973 | int git_futils_cp_r( | |
974 | const char *from, | |
975 | const char *to, | |
976 | uint32_t flags, | |
977 | mode_t dirmode) | |
978 | { | |
979 | int error; | |
980 | git_buf path = GIT_BUF_INIT; | |
981 | cp_r_info info; | |
982 | ||
3c42e4ef | 983 | if (git_buf_joinpath(&path, from, "") < 0) /* ensure trailing slash */ |
ca1b6e54 RB |
984 | return -1; |
985 | ||
986 | info.to_root = to; | |
987 | info.flags = flags; | |
988 | info.dirmode = dirmode; | |
989 | info.from_prefix = path.size; | |
d0cd6c42 | 990 | info.error = 0; |
ca1b6e54 RB |
991 | git_buf_init(&info.to, 0); |
992 | ||
993 | /* precalculate mkdir flags */ | |
994 | if ((flags & GIT_CPDIR_CREATE_EMPTY_DIRS) == 0) { | |
3c42e4ef RB |
995 | /* if not creating empty dirs, then use mkdir to create the path on |
996 | * demand right before files are copied. | |
997 | */ | |
ca1b6e54 | 998 | info.mkdir_flags = GIT_MKDIR_PATH | GIT_MKDIR_SKIP_LAST; |
18f08264 | 999 | if ((flags & GIT_CPDIR_CHMOD_DIRS) != 0) |
ca1b6e54 RB |
1000 | info.mkdir_flags |= GIT_MKDIR_CHMOD_PATH; |
1001 | } else { | |
3c42e4ef | 1002 | /* otherwise, we will do simple mkdir as directories are encountered */ |
ca1b6e54 | 1003 | info.mkdir_flags = |
18f08264 | 1004 | ((flags & GIT_CPDIR_CHMOD_DIRS) != 0) ? GIT_MKDIR_CHMOD : 0; |
ca1b6e54 RB |
1005 | } |
1006 | ||
1007 | error = _cp_r_callback(&info, &path); | |
1008 | ||
1009 | git_buf_free(&path); | |
07c06f7a | 1010 | git_buf_free(&info.to); |
ca1b6e54 | 1011 | |
d0cd6c42 | 1012 | if (error == GIT_EUSER) |
1013 | error = info.error; | |
1014 | ||
ca1b6e54 RB |
1015 | return error; |
1016 | } | |
744cc03e | 1017 | |
c1f61af6 VM |
1018 | int git_futils_filestamp_check( |
1019 | git_futils_filestamp *stamp, const char *path) | |
744cc03e RB |
1020 | { |
1021 | struct stat st; | |
1022 | ||
c8b511f3 RB |
1023 | /* if the stamp is NULL, then always reload */ |
1024 | if (stamp == NULL) | |
744cc03e RB |
1025 | return 1; |
1026 | ||
e830c020 RB |
1027 | if (p_stat(path, &st) < 0) { |
1028 | giterr_set(GITERR_OS, "Could not stat '%s'", path); | |
744cc03e | 1029 | return GIT_ENOTFOUND; |
e830c020 | 1030 | } |
744cc03e | 1031 | |
c8b511f3 RB |
1032 | if (stamp->mtime == (git_time_t)st.st_mtime && |
1033 | stamp->size == (git_off_t)st.st_size && | |
1034 | stamp->ino == (unsigned int)st.st_ino) | |
744cc03e RB |
1035 | return 0; |
1036 | ||
c8b511f3 RB |
1037 | stamp->mtime = (git_time_t)st.st_mtime; |
1038 | stamp->size = (git_off_t)st.st_size; | |
1039 | stamp->ino = (unsigned int)st.st_ino; | |
744cc03e RB |
1040 | |
1041 | return 1; | |
1042 | } | |
1043 | ||
c1f61af6 VM |
1044 | void git_futils_filestamp_set( |
1045 | git_futils_filestamp *target, const git_futils_filestamp *source) | |
c8b511f3 RB |
1046 | { |
1047 | assert(target); | |
1048 | ||
1049 | if (source) | |
1050 | memcpy(target, source, sizeof(*target)); | |
1051 | else | |
1052 | memset(target, 0, sizeof(*target)); | |
1053 | } |