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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" |
500ec543 | 10 | #include "strmap.h" |
2e29957a | 11 | #include <ctype.h> |
997579be SS |
12 | #if GIT_WIN32 |
13 | #include "win32/findfile.h" | |
14 | #endif | |
ec250c6e | 15 | |
c8e02b87 | 16 | GIT__USE_STRMAP |
500ec543 | 17 | |
ce8cd006 | 18 | int git_futils_mkpath2file(const char *file_path, const mode_t mode) |
55ffebe3 | 19 | { |
ca1b6e54 | 20 | return git_futils_mkdir( |
ac2fba0e | 21 | file_path, mode, |
331e7de9 | 22 | GIT_MKDIR_PATH | GIT_MKDIR_SKIP_LAST | GIT_MKDIR_VERIFY_DIR); |
55ffebe3 VM |
23 | } |
24 | ||
1d3a8aeb | 25 | int git_futils_mktmp(git_buf *path_out, const char *filename, mode_t mode) |
72a3fe42 VM |
26 | { |
27 | int fd; | |
1d3a8aeb ET |
28 | mode_t mask; |
29 | ||
30 | p_umask(mask = p_umask(0)); | |
72a3fe42 | 31 | |
97769280 RB |
32 | git_buf_sets(path_out, filename); |
33 | git_buf_puts(path_out, "_git2_XXXXXX"); | |
34 | ||
35 | if (git_buf_oom(path_out)) | |
1a481123 | 36 | return -1; |
72a3fe42 | 37 | |
1a481123 VM |
38 | if ((fd = p_mkstemp(path_out->ptr)) < 0) { |
39 | giterr_set(GITERR_OS, | |
ae9e29fd | 40 | "Failed to create temporary file '%s'", path_out->ptr); |
1a481123 VM |
41 | return -1; |
42 | } | |
72a3fe42 | 43 | |
1d3a8aeb ET |
44 | if (p_chmod(path_out->ptr, (mode & ~mask))) { |
45 | giterr_set(GITERR_OS, | |
46 | "Failed to set permissions on file '%s'", path_out->ptr); | |
47 | return -1; | |
48 | } | |
49 | ||
f978b748 | 50 | return fd; |
72a3fe42 VM |
51 | } |
52 | ||
ce8cd006 | 53 | int git_futils_creat_withpath(const char *path, const mode_t dirmode, const mode_t mode) |
7dd8a9f7 | 54 | { |
1a481123 | 55 | int fd; |
55ffebe3 | 56 | |
1a481123 VM |
57 | if (git_futils_mkpath2file(path, dirmode) < 0) |
58 | return -1; | |
59 | ||
60 | fd = p_creat(path, mode); | |
61 | if (fd < 0) { | |
ae9e29fd | 62 | giterr_set(GITERR_OS, "Failed to create file '%s'", path); |
1a481123 VM |
63 | return -1; |
64 | } | |
65 | ||
66 | return fd; | |
55ffebe3 VM |
67 | } |
68 | ||
33127043 | 69 | int git_futils_creat_locked(const char *path, const mode_t mode) |
1549cba9 | 70 | { |
13f36ffb | 71 | int fd = p_open(path, O_WRONLY | O_CREAT | O_TRUNC | |
3d3ea4dc | 72 | O_EXCL | O_BINARY | O_CLOEXEC, mode); |
09719c50 | 73 | |
1a481123 | 74 | if (fd < 0) { |
ae9e29fd | 75 | giterr_set(GITERR_OS, "Failed to create locked file '%s'", path); |
3d276874 | 76 | return errno == EEXIST ? GIT_ELOCKED : -1; |
1a481123 VM |
77 | } |
78 | ||
79 | return fd; | |
1549cba9 RG |
80 | } |
81 | ||
ce8cd006 | 82 | int git_futils_creat_locked_withpath(const char *path, const mode_t dirmode, const mode_t mode) |
1549cba9 | 83 | { |
1a481123 VM |
84 | if (git_futils_mkpath2file(path, dirmode) < 0) |
85 | return -1; | |
1549cba9 | 86 | |
f79026b4 | 87 | return git_futils_creat_locked(path, mode); |
ec250c6e AE |
88 | } |
89 | ||
deafee7b RB |
90 | int git_futils_open_ro(const char *path) |
91 | { | |
92 | int fd = p_open(path, O_RDONLY); | |
14997dc5 RB |
93 | if (fd < 0) |
94 | return git_path_set_error(errno, path, "open"); | |
deafee7b RB |
95 | return fd; |
96 | } | |
97 | ||
f79026b4 | 98 | git_off_t git_futils_filesize(git_file fd) |
ec250c6e | 99 | { |
7dd8a9f7 | 100 | struct stat sb; |
deafee7b RB |
101 | |
102 | if (p_fstat(fd, &sb)) { | |
103 | giterr_set(GITERR_OS, "Failed to stat file descriptor"); | |
104 | return -1; | |
105 | } | |
5ad739e8 | 106 | |
ec250c6e AE |
107 | return sb.st_size; |
108 | } | |
4188d28f | 109 | |
b6c93aef RB |
110 | mode_t git_futils_canonical_mode(mode_t raw_mode) |
111 | { | |
112 | if (S_ISREG(raw_mode)) | |
f240acce | 113 | return S_IFREG | GIT_PERMS_CANONICAL(raw_mode); |
b6c93aef RB |
114 | else if (S_ISLNK(raw_mode)) |
115 | return S_IFLNK; | |
b6c93aef RB |
116 | else if (S_ISGITLINK(raw_mode)) |
117 | return S_IFGITLINK; | |
7c7ff7d1 RB |
118 | else if (S_ISDIR(raw_mode)) |
119 | return S_IFDIR; | |
b6c93aef RB |
120 | else |
121 | return 0; | |
122 | } | |
123 | ||
60b9d3fc RB |
124 | int git_futils_readbuffer_fd(git_buf *buf, git_file fd, size_t len) |
125 | { | |
de590550 | 126 | ssize_t read_size = 0; |
f1453c59 | 127 | size_t alloc_len; |
60b9d3fc RB |
128 | |
129 | git_buf_clear(buf); | |
130 | ||
8d534b47 ET |
131 | if (!git__is_ssizet(len)) { |
132 | giterr_set(GITERR_INVALID, "Read too large."); | |
133 | return -1; | |
134 | } | |
135 | ||
f1453c59 ET |
136 | GITERR_CHECK_ALLOC_ADD(&alloc_len, len, 1); |
137 | if (git_buf_grow(buf, alloc_len) < 0) | |
60b9d3fc RB |
138 | return -1; |
139 | ||
1f35e89d RB |
140 | /* p_read loops internally to read len bytes */ |
141 | read_size = p_read(fd, buf->ptr, len); | |
60b9d3fc | 142 | |
c859184b | 143 | if (read_size != (ssize_t)len) { |
1f35e89d | 144 | giterr_set(GITERR_OS, "Failed to read descriptor"); |
823c0e9c | 145 | git_buf_free(buf); |
1f35e89d | 146 | return -1; |
60b9d3fc RB |
147 | } |
148 | ||
1f35e89d RB |
149 | buf->ptr[read_size] = '\0'; |
150 | buf->size = read_size; | |
151 | ||
60b9d3fc RB |
152 | return 0; |
153 | } | |
154 | ||
155 | int git_futils_readbuffer_updated( | |
744cc03e | 156 | git_buf *buf, const char *path, time_t *mtime, size_t *size, int *updated) |
75d58430 RJ |
157 | { |
158 | git_file fd; | |
c3da9f06 | 159 | struct stat st; |
744cc03e | 160 | bool changed = false; |
75d58430 | 161 | |
13224ea4 | 162 | assert(buf && path && *path); |
75d58430 | 163 | |
c3da9f06 CMN |
164 | if (updated != NULL) |
165 | *updated = 0; | |
75d58430 | 166 | |
14997dc5 RB |
167 | if (p_stat(path, &st) < 0) |
168 | return git_path_set_error(errno, path, "stat"); | |
c3da9f06 | 169 | |
7c9f5bec CMN |
170 | |
171 | if (S_ISDIR(st.st_mode)) { | |
172 | giterr_set(GITERR_INVALID, "requested file is a directory"); | |
173 | return GIT_ENOTFOUND; | |
174 | } | |
175 | ||
176 | if (!git__is_sizet(st.st_size+1)) { | |
1a481123 VM |
177 | giterr_set(GITERR_OS, "Invalid regular file stat for '%s'", path); |
178 | return -1; | |
13224ea4 | 179 | } |
c3da9f06 CMN |
180 | |
181 | /* | |
744cc03e RB |
182 | * If we were given a time and/or a size, we only want to read the file |
183 | * if it has been modified. | |
c3da9f06 | 184 | */ |
744cc03e RB |
185 | if (size && *size != (size_t)st.st_size) |
186 | changed = true; | |
3556a82a | 187 | if (mtime && *mtime != (time_t)st.st_mtime) |
744cc03e RB |
188 | changed = true; |
189 | if (!size && !mtime) | |
190 | changed = true; | |
191 | ||
192 | if (!changed) { | |
13224ea4 VM |
193 | return 0; |
194 | } | |
c3da9f06 CMN |
195 | |
196 | if (mtime != NULL) | |
197 | *mtime = st.st_mtime; | |
744cc03e RB |
198 | if (size != NULL) |
199 | *size = (size_t)st.st_size; | |
c3da9f06 | 200 | |
9ccdb211 BR |
201 | if ((fd = git_futils_open_ro(path)) < 0) |
202 | return fd; | |
203 | ||
60b9d3fc | 204 | if (git_futils_readbuffer_fd(buf, fd, (size_t)st.st_size) < 0) { |
e1de726c RB |
205 | p_close(fd); |
206 | return -1; | |
75d58430 RJ |
207 | } |
208 | ||
f79026b4 | 209 | p_close(fd); |
75d58430 | 210 | |
c3da9f06 CMN |
211 | if (updated != NULL) |
212 | *updated = 1; | |
213 | ||
13224ea4 | 214 | return 0; |
c3da9f06 CMN |
215 | } |
216 | ||
13224ea4 | 217 | int git_futils_readbuffer(git_buf *buf, const char *path) |
97769280 | 218 | { |
744cc03e | 219 | return git_futils_readbuffer_updated(buf, path, NULL, NULL, NULL); |
97769280 RB |
220 | } |
221 | ||
4742148d RB |
222 | int git_futils_writebuffer( |
223 | const git_buf *buf, const char *path, int flags, mode_t mode) | |
224 | { | |
225 | int fd, error = 0; | |
226 | ||
227 | if (flags <= 0) | |
228 | flags = O_CREAT | O_TRUNC | O_WRONLY; | |
229 | if (!mode) | |
230 | mode = GIT_FILEMODE_BLOB; | |
231 | ||
232 | if ((fd = p_open(path, flags, mode)) < 0) { | |
233 | giterr_set(GITERR_OS, "Could not open '%s' for writing", path); | |
234 | return fd; | |
235 | } | |
236 | ||
237 | if ((error = p_write(fd, git_buf_cstr(buf), git_buf_len(buf))) < 0) { | |
238 | giterr_set(GITERR_OS, "Could not write to '%s'", path); | |
239 | (void)p_close(fd); | |
f5254d78 | 240 | return error; |
4742148d RB |
241 | } |
242 | ||
243 | if ((error = p_close(fd)) < 0) | |
244 | giterr_set(GITERR_OS, "Error while closing '%s'", path); | |
245 | ||
246 | return error; | |
247 | } | |
248 | ||
ce8cd006 | 249 | int git_futils_mv_withpath(const char *from, const char *to, const mode_t dirmode) |
19a30a3f | 250 | { |
deafee7b RB |
251 | if (git_futils_mkpath2file(to, dirmode) < 0) |
252 | return -1; | |
19a30a3f | 253 | |
deafee7b RB |
254 | if (p_rename(from, to) < 0) { |
255 | giterr_set(GITERR_OS, "Failed to rename '%s' to '%s'", from, to); | |
256 | return -1; | |
257 | } | |
258 | ||
259 | return 0; | |
19a30a3f VM |
260 | } |
261 | ||
f79026b4 | 262 | int git_futils_mmap_ro(git_map *out, git_file fd, git_off_t begin, size_t len) |
20e7f426 | 263 | { |
f79026b4 | 264 | return p_mmap(out, len, GIT_PROT_READ, GIT_MAP_SHARED, fd, begin); |
20e7f426 SP |
265 | } |
266 | ||
74fa4bfa RB |
267 | int git_futils_mmap_ro_file(git_map *out, const char *path) |
268 | { | |
0d0fa7c3 RB |
269 | git_file fd = git_futils_open_ro(path); |
270 | git_off_t len; | |
da9abdd6 | 271 | int result; |
0d0fa7c3 RB |
272 | |
273 | if (fd < 0) | |
274 | return fd; | |
275 | ||
276 | len = git_futils_filesize(fd); | |
deafee7b RB |
277 | if (!git__is_sizet(len)) { |
278 | giterr_set(GITERR_OS, "File `%s` too large to mmap", path); | |
279 | return -1; | |
280 | } | |
0d0fa7c3 | 281 | |
da9abdd6 | 282 | result = git_futils_mmap_ro(out, fd, 0, (size_t)len); |
74fa4bfa RB |
283 | p_close(fd); |
284 | return result; | |
285 | } | |
286 | ||
f79026b4 | 287 | void git_futils_mmap_free(git_map *out) |
20e7f426 | 288 | { |
f79026b4 | 289 | p_munmap(out); |
20e7f426 SP |
290 | } |
291 | ||
81aaf370 ET |
292 | GIT_INLINE(int) mkdir_validate_dir( |
293 | const char *path, | |
e74340b0 ET |
294 | struct stat *st, |
295 | mode_t mode, | |
296 | uint32_t flags, | |
81aaf370 | 297 | struct git_futils_mkdir_options *opts) |
e74340b0 | 298 | { |
81aaf370 ET |
299 | /* with exclusive create, existing dir is an error */ |
300 | if ((flags & GIT_MKDIR_EXCL) != 0) { | |
301 | giterr_set(GITERR_FILESYSTEM, | |
302 | "Failed to make directory '%s': directory exists", path); | |
303 | return GIT_EEXISTS; | |
304 | } | |
305 | ||
e74340b0 ET |
306 | if ((S_ISREG(st->st_mode) && (flags & GIT_MKDIR_REMOVE_FILES)) || |
307 | (S_ISLNK(st->st_mode) && (flags & GIT_MKDIR_REMOVE_SYMLINKS))) { | |
81aaf370 | 308 | if (p_unlink(path) < 0) { |
e74340b0 | 309 | giterr_set(GITERR_OS, "Failed to remove %s '%s'", |
81aaf370 | 310 | S_ISLNK(st->st_mode) ? "symlink" : "file", path); |
e74340b0 ET |
311 | return GIT_EEXISTS; |
312 | } | |
313 | ||
81aaf370 | 314 | opts->perfdata.mkdir_calls++; |
e74340b0 | 315 | |
81aaf370 ET |
316 | if (p_mkdir(path, mode) < 0) { |
317 | giterr_set(GITERR_OS, "Failed to make directory '%s'", path); | |
e74340b0 ET |
318 | return GIT_EEXISTS; |
319 | } | |
320 | } | |
321 | ||
322 | else if (S_ISLNK(st->st_mode)) { | |
323 | /* Re-stat the target, make sure it's a directory */ | |
81aaf370 | 324 | opts->perfdata.stat_calls++; |
e74340b0 | 325 | |
81aaf370 ET |
326 | if (p_stat(path, st) < 0) { |
327 | giterr_set(GITERR_OS, "Failed to make directory '%s'", path); | |
e74340b0 ET |
328 | return GIT_EEXISTS; |
329 | } | |
330 | } | |
331 | ||
332 | else if (!S_ISDIR(st->st_mode)) { | |
333 | giterr_set(GITERR_FILESYSTEM, | |
81aaf370 | 334 | "Failed to make directory '%s': directory exists", path); |
e74340b0 ET |
335 | return GIT_EEXISTS; |
336 | } | |
337 | ||
338 | return 0; | |
339 | } | |
340 | ||
81aaf370 ET |
341 | GIT_INLINE(int) mkdir_validate_mode( |
342 | const char *path, | |
343 | struct stat *st, | |
344 | bool terminal_path, | |
345 | mode_t mode, | |
346 | uint32_t flags, | |
347 | struct git_futils_mkdir_options *opts) | |
348 | { | |
349 | if (((terminal_path && (flags & GIT_MKDIR_CHMOD) != 0) || | |
350 | (flags & GIT_MKDIR_CHMOD_PATH) != 0) && st->st_mode != mode) { | |
351 | ||
352 | opts->perfdata.chmod_calls++; | |
353 | ||
354 | if (p_chmod(path, mode) < 0) { | |
355 | giterr_set(GITERR_OS, "failed to set permissions on '%s'", path); | |
356 | return -1; | |
357 | } | |
358 | } | |
359 | ||
360 | return 0; | |
361 | } | |
28cdb315 | 362 | |
e24c60db ET |
363 | GIT_INLINE(int) mkdir_canonicalize( |
364 | git_buf *path, | |
365 | uint32_t flags) | |
1a5204a7 | 366 | { |
e24c60db | 367 | ssize_t root_len; |
ac2fba0e | 368 | |
e24c60db ET |
369 | if (path->size == 0) { |
370 | giterr_set(GITERR_OS, "attempt to create empty path"); | |
ca1b6e54 | 371 | return -1; |
97769280 | 372 | } |
f0b2bfe5 | 373 | |
9cb5b0f7 | 374 | /* Trim trailing slashes (except the root) */ |
e24c60db | 375 | if ((root_len = git_path_root(path->ptr)) < 0) |
9cb5b0f7 ET |
376 | root_len = 0; |
377 | else | |
378 | root_len++; | |
379 | ||
e24c60db ET |
380 | while (path->size > (size_t)root_len && path->ptr[path->size - 1] == '/') |
381 | path->ptr[--path->size] = '\0'; | |
412de9a6 | 382 | |
ca1b6e54 | 383 | /* if we are not supposed to made the last element, truncate it */ |
3c42e4ef | 384 | if ((flags & GIT_MKDIR_SKIP_LAST2) != 0) { |
e24c60db | 385 | git_path_dirname_r(path, path->ptr); |
3c42e4ef RB |
386 | flags |= GIT_MKDIR_SKIP_LAST; |
387 | } | |
9cb5b0f7 | 388 | if ((flags & GIT_MKDIR_SKIP_LAST) != 0) { |
e24c60db | 389 | git_path_dirname_r(path, path->ptr); |
9cb5b0f7 | 390 | } |
ca1b6e54 | 391 | |
9cb5b0f7 | 392 | /* We were either given the root path (or trimmed it to |
e24c60db ET |
393 | * the root), we don't have anything to do. |
394 | */ | |
395 | if (path->size <= (size_t)root_len) | |
396 | git_buf_clear(path); | |
397 | ||
398 | return 0; | |
399 | } | |
400 | ||
401 | int git_futils_mkdir( | |
402 | const char *path, | |
403 | mode_t mode, | |
404 | uint32_t flags) | |
405 | { | |
406 | git_buf make_path = GIT_BUF_INIT, parent_path = GIT_BUF_INIT; | |
407 | const char *relative; | |
408 | struct git_futils_mkdir_options opts = { 0 }; | |
409 | struct stat st; | |
410 | size_t depth = 0; | |
9ce2e7b3 | 411 | int len = 0, root_len, error; |
e24c60db ET |
412 | |
413 | if ((error = git_buf_puts(&make_path, path)) < 0 || | |
414 | (error = mkdir_canonicalize(&make_path, flags)) < 0 || | |
415 | (error = git_buf_puts(&parent_path, make_path.ptr)) < 0 || | |
416 | make_path.size == 0) | |
417 | goto done; | |
418 | ||
9ce2e7b3 ET |
419 | root_len = git_path_root(make_path.ptr); |
420 | ||
e24c60db ET |
421 | /* find the first parent directory that exists. this will be used |
422 | * as the base to dirname_relative. | |
9cb5b0f7 | 423 | */ |
e24c60db ET |
424 | for (relative = make_path.ptr; parent_path.size; ) { |
425 | error = p_lstat(parent_path.ptr, &st); | |
426 | ||
427 | if (error == 0) { | |
428 | break; | |
429 | } else if (errno != ENOENT) { | |
430 | giterr_set(GITERR_OS, "failed to stat '%s'", parent_path.ptr); | |
431 | goto done; | |
432 | } | |
433 | ||
434 | depth++; | |
435 | ||
436 | /* examine the parent of the current path */ | |
437 | if ((len = git_path_dirname_r(&parent_path, parent_path.ptr)) < 0) { | |
438 | error = len; | |
439 | goto done; | |
440 | } | |
441 | ||
442 | assert(len); | |
443 | ||
444 | /* we've walked all the given path's parents and it's either relative | |
445 | * or rooted. either way, give up and make the entire path. | |
446 | */ | |
9ce2e7b3 | 447 | if ((len == 1 && parent_path.ptr[0] == '.') || len == root_len+1) { |
e24c60db ET |
448 | relative = make_path.ptr; |
449 | break; | |
450 | } | |
451 | ||
452 | relative = make_path.ptr + len + 1; | |
453 | ||
454 | /* not recursive? just make this directory relative to its parent. */ | |
455 | if ((flags & GIT_MKDIR_PATH) == 0) | |
456 | break; | |
457 | } | |
458 | ||
459 | /* we found an item at the location we're trying to create, | |
460 | * validate it. | |
461 | */ | |
462 | if (depth == 0) { | |
81aaf370 | 463 | error = mkdir_validate_dir(make_path.ptr, &st, mode, flags, &opts); |
e24c60db | 464 | |
81aaf370 ET |
465 | if (!error) |
466 | error = mkdir_validate_mode( | |
467 | make_path.ptr, &st, true, mode, flags, &opts); | |
e24c60db | 468 | |
f7e56150 RB |
469 | goto done; |
470 | } | |
471 | ||
e24c60db ET |
472 | /* we already took `SKIP_LAST` and `SKIP_LAST2` into account when |
473 | * canonicalizing `make_path`. | |
474 | */ | |
475 | flags &= ~(GIT_MKDIR_SKIP_LAST2 | GIT_MKDIR_SKIP_LAST); | |
476 | ||
477 | error = git_futils_mkdir_relative(relative, | |
478 | parent_path.size ? parent_path.ptr : NULL, mode, flags, &opts); | |
479 | ||
480 | done: | |
481 | git_buf_free(&make_path); | |
482 | git_buf_free(&parent_path); | |
483 | return error; | |
484 | } | |
485 | ||
486 | int git_futils_mkdir_r(const char *path, const mode_t mode) | |
487 | { | |
488 | return git_futils_mkdir(path, mode, GIT_MKDIR_PATH); | |
489 | } | |
490 | ||
491 | int git_futils_mkdir_relative( | |
492 | const char *relative_path, | |
493 | const char *base, | |
494 | mode_t mode, | |
495 | uint32_t flags, | |
496 | struct git_futils_mkdir_options *opts) | |
497 | { | |
498 | git_buf make_path = GIT_BUF_INIT; | |
499 | ssize_t root = 0, min_root_len; | |
500 | char lastch = '/', *tail; | |
501 | struct stat st; | |
502 | struct git_futils_mkdir_options empty_opts = {0}; | |
503 | int error; | |
504 | ||
505 | if (!opts) | |
506 | opts = &empty_opts; | |
507 | ||
508 | /* build path and find "root" where we should start calling mkdir */ | |
509 | if (git_path_join_unrooted(&make_path, relative_path, base, &root) < 0) | |
510 | return -1; | |
511 | ||
512 | if ((error = mkdir_canonicalize(&make_path, flags)) < 0 || | |
513 | make_path.size == 0) | |
514 | goto done; | |
515 | ||
ca1b6e54 RB |
516 | /* if we are not supposed to make the whole path, reset root */ |
517 | if ((flags & GIT_MKDIR_PATH) == 0) | |
518 | root = git_buf_rfind(&make_path, '/'); | |
519 | ||
f7e56150 RB |
520 | /* advance root past drive name or network mount prefix */ |
521 | min_root_len = git_path_root(make_path.ptr); | |
522 | if (root < min_root_len) | |
523 | root = min_root_len; | |
2da72fb2 | 524 | while (root >= 0 && make_path.ptr[root] == '/') |
f7e56150 RB |
525 | ++root; |
526 | ||
ca1b6e54 | 527 | /* clip root to make_path length */ |
f7e56150 RB |
528 | if (root > (ssize_t)make_path.size) |
529 | root = (ssize_t)make_path.size; /* i.e. NUL byte of string */ | |
0e26202c RB |
530 | if (root < 0) |
531 | root = 0; | |
ca1b6e54 | 532 | |
f7e56150 RB |
533 | /* walk down tail of path making each directory */ |
534 | for (tail = &make_path.ptr[root]; *tail; *tail = lastch) { | |
d88e6e9b | 535 | bool mkdir_attempted = false; |
999d4405 | 536 | |
ca1b6e54 RB |
537 | /* advance tail to include next path component */ |
538 | while (*tail == '/') | |
539 | tail++; | |
540 | while (*tail && *tail != '/') | |
541 | tail++; | |
542 | ||
543 | /* truncate path at next component */ | |
544 | lastch = *tail; | |
545 | *tail = '\0'; | |
999d4405 | 546 | st.st_mode = 0; |
ca1b6e54 | 547 | |
500ec543 ET |
548 | if (opts->dir_map && git_strmap_exists(opts->dir_map, make_path.ptr)) |
549 | continue; | |
550 | ||
fe598f09 | 551 | /* See what's going on with this path component */ |
500ec543 | 552 | opts->perfdata.stat_calls++; |
1d50b364 | 553 | |
d88e6e9b | 554 | retry_lstat: |
fe598f09 | 555 | if (p_lstat(make_path.ptr, &st) < 0) { |
d88e6e9b VM |
556 | if (mkdir_attempted || errno != ENOENT) { |
557 | giterr_set(GITERR_OS, "Cannot access component in path '%s'", make_path.ptr); | |
558 | error = -1; | |
fe598f09 ET |
559 | goto done; |
560 | } | |
561 | ||
562 | giterr_clear(); | |
d88e6e9b VM |
563 | opts->perfdata.mkdir_calls++; |
564 | mkdir_attempted = true; | |
565 | if (p_mkdir(make_path.ptr, mode) < 0) { | |
566 | if (errno == EEXIST) | |
567 | goto retry_lstat; | |
568 | giterr_set(GITERR_OS, "Failed to make directory '%s'", make_path.ptr); | |
569 | error = -1; | |
570 | goto done; | |
571 | } | |
fe598f09 | 572 | } else { |
81aaf370 ET |
573 | if ((error = mkdir_validate_dir( |
574 | make_path.ptr, &st, mode, flags, opts)) < 0) | |
fe598f09 | 575 | goto done; |
d5f25204 | 576 | } |
40c44d2f | 577 | |
999d4405 | 578 | /* chmod if requested and necessary */ |
81aaf370 ET |
579 | if ((error = mkdir_validate_mode( |
580 | make_path.ptr, &st, (lastch == '\0'), mode, flags, opts)) < 0) | |
581 | goto done; | |
500ec543 ET |
582 | |
583 | if (opts->dir_map && opts->pool) { | |
f1453c59 ET |
584 | char *cache_path; |
585 | size_t alloc_size; | |
586 | ||
587 | GITERR_CHECK_ALLOC_ADD(&alloc_size, make_path.size, 1); | |
588 | if (!git__is_uint32(alloc_size)) | |
589 | return -1; | |
590 | cache_path = git_pool_malloc(opts->pool, (uint32_t)alloc_size); | |
500ec543 ET |
591 | GITERR_CHECK_ALLOC(cache_path); |
592 | ||
593 | memcpy(cache_path, make_path.ptr, make_path.size + 1); | |
594 | ||
595 | git_strmap_insert(opts->dir_map, cache_path, cache_path, error); | |
596 | if (error < 0) | |
597 | goto done; | |
598 | } | |
a993e4fe | 599 | } |
40c44d2f | 600 | |
999d4405 RB |
601 | error = 0; |
602 | ||
603 | /* check that full path really is a directory if requested & needed */ | |
f7e56150 | 604 | if ((flags & GIT_MKDIR_VERIFY_DIR) != 0 && |
1d50b364 | 605 | lastch != '\0') { |
500ec543 | 606 | opts->perfdata.stat_calls++; |
1d50b364 ET |
607 | |
608 | if (p_stat(make_path.ptr, &st) < 0 || !S_ISDIR(st.st_mode)) { | |
e74340b0 ET |
609 | giterr_set(GITERR_OS, "Path is not a directory '%s'", |
610 | make_path.ptr); | |
1d50b364 ET |
611 | error = GIT_ENOTFOUND; |
612 | } | |
999d4405 | 613 | } |
77c3999c | 614 | |
999d4405 | 615 | done: |
ca1b6e54 | 616 | git_buf_free(&make_path); |
331e7de9 | 617 | return error; |
ca1b6e54 | 618 | } |
77c3999c | 619 | |
331e7de9 | 620 | typedef struct { |
ad9a921b | 621 | const char *base; |
7e5c8a5b | 622 | size_t baselen; |
331e7de9 | 623 | uint32_t flags; |
219d3457 | 624 | int depth; |
331e7de9 RB |
625 | } futils__rmdir_data; |
626 | ||
219d3457 RB |
627 | #define FUTILS_MAX_DEPTH 100 |
628 | ||
331e7de9 | 629 | static int futils__error_cannot_rmdir(const char *path, const char *filemsg) |
42b3a460 | 630 | { |
331e7de9 RB |
631 | if (filemsg) |
632 | giterr_set(GITERR_OS, "Could not remove directory. File '%s' %s", | |
633 | path, filemsg); | |
634 | else | |
635 | giterr_set(GITERR_OS, "Could not remove directory '%s'", path); | |
555aa453 | 636 | |
331e7de9 RB |
637 | return -1; |
638 | } | |
deafee7b | 639 | |
ad9a921b RB |
640 | static int futils__rm_first_parent(git_buf *path, const char *ceiling) |
641 | { | |
642 | int error = GIT_ENOTFOUND; | |
643 | struct stat st; | |
644 | ||
645 | while (error == GIT_ENOTFOUND) { | |
646 | git_buf_rtruncate_at_char(path, '/'); | |
647 | ||
648 | if (!path->size || git__prefixcmp(path->ptr, ceiling) != 0) | |
649 | error = 0; | |
cccacac5 | 650 | else if (p_lstat_posixly(path->ptr, &st) == 0) { |
ad9a921b RB |
651 | if (S_ISREG(st.st_mode) || S_ISLNK(st.st_mode)) |
652 | error = p_unlink(path->ptr); | |
653 | else if (!S_ISDIR(st.st_mode)) | |
654 | error = -1; /* fail to remove non-regular file */ | |
655 | } else if (errno != ENOTDIR) | |
656 | error = -1; | |
657 | } | |
658 | ||
659 | if (error) | |
660 | futils__error_cannot_rmdir(path->ptr, "cannot remove parent"); | |
661 | ||
662 | return error; | |
663 | } | |
664 | ||
331e7de9 RB |
665 | static int futils__rmdir_recurs_foreach(void *opaque, git_buf *path) |
666 | { | |
96869a4e | 667 | int error = 0; |
331e7de9 | 668 | futils__rmdir_data *data = opaque; |
14997dc5 | 669 | struct stat st; |
555aa453 | 670 | |
14997dc5 RB |
671 | if (data->depth > FUTILS_MAX_DEPTH) |
672 | error = futils__error_cannot_rmdir( | |
673 | path->ptr, "directory nesting too deep"); | |
219d3457 | 674 | |
14997dc5 | 675 | else if ((error = p_lstat_posixly(path->ptr, &st)) < 0) { |
ad9a921b | 676 | if (errno == ENOENT) |
14997dc5 | 677 | error = 0; |
ad9a921b RB |
678 | else if (errno == ENOTDIR) { |
679 | /* asked to remove a/b/c/d/e and a/b is a normal file */ | |
680 | if ((data->flags & GIT_RMDIR_REMOVE_BLOCKERS) != 0) | |
14997dc5 | 681 | error = futils__rm_first_parent(path, data->base); |
ad9a921b RB |
682 | else |
683 | futils__error_cannot_rmdir( | |
684 | path->ptr, "parent is not directory"); | |
685 | } | |
686 | else | |
14997dc5 | 687 | error = git_path_set_error(errno, path->ptr, "rmdir"); |
ad9a921b RB |
688 | } |
689 | ||
690 | else if (S_ISDIR(st.st_mode)) { | |
219d3457 RB |
691 | data->depth++; |
692 | ||
14997dc5 | 693 | error = git_path_direach(path, 0, futils__rmdir_recurs_foreach, data); |
219d3457 RB |
694 | |
695 | data->depth--; | |
696 | ||
96869a4e | 697 | if (error < 0) |
25e0b157 | 698 | return error; |
96869a4e | 699 | |
219d3457 | 700 | if (data->depth == 0 && (data->flags & GIT_RMDIR_SKIP_ROOT) != 0) |
25e0b157 | 701 | return error; |
331e7de9 | 702 | |
14997dc5 | 703 | if ((error = p_rmdir(path->ptr)) < 0) { |
331e7de9 | 704 | if ((data->flags & GIT_RMDIR_SKIP_NONEMPTY) != 0 && |
e09d18ee | 705 | (errno == ENOTEMPTY || errno == EEXIST || errno == EBUSY)) |
14997dc5 | 706 | error = 0; |
331e7de9 | 707 | else |
14997dc5 | 708 | error = git_path_set_error(errno, path->ptr, "rmdir"); |
deafee7b | 709 | } |
858dba58 VM |
710 | } |
711 | ||
331e7de9 | 712 | else if ((data->flags & GIT_RMDIR_REMOVE_FILES) != 0) { |
14997dc5 RB |
713 | if (p_unlink(path->ptr) < 0) |
714 | error = git_path_set_error(errno, path->ptr, "remove"); | |
deafee7b RB |
715 | } |
716 | ||
ad9a921b | 717 | else if ((data->flags & GIT_RMDIR_SKIP_NONEMPTY) == 0) |
14997dc5 | 718 | error = futils__error_cannot_rmdir(path->ptr, "still present"); |
555aa453 | 719 | |
25e0b157 | 720 | return error; |
331e7de9 RB |
721 | } |
722 | ||
bbb988a5 | 723 | static int futils__rmdir_empty_parent(void *opaque, const char *path) |
331e7de9 | 724 | { |
7e5c8a5b | 725 | futils__rmdir_data *data = opaque; |
96869a4e | 726 | int error = 0; |
7e5c8a5b | 727 | |
bbb988a5 | 728 | if (strlen(path) <= data->baselen) |
25e0b157 | 729 | error = GIT_ITEROVER; |
331e7de9 | 730 | |
bbb988a5 | 731 | else if (p_rmdir(path) < 0) { |
331e7de9 RB |
732 | int en = errno; |
733 | ||
734 | if (en == ENOENT || en == ENOTDIR) { | |
96869a4e | 735 | /* do nothing */ |
e09d18ee | 736 | } else if (en == ENOTEMPTY || en == EEXIST || en == EBUSY) { |
331e7de9 RB |
737 | error = GIT_ITEROVER; |
738 | } else { | |
bbb988a5 | 739 | error = git_path_set_error(errno, path, "rmdir"); |
331e7de9 RB |
740 | } |
741 | } | |
742 | ||
25e0b157 | 743 | return error; |
42b3a460 MS |
744 | } |
745 | ||
0d64bef9 | 746 | int git_futils_rmdir_r( |
331e7de9 | 747 | const char *path, const char *base, uint32_t flags) |
42b3a460 | 748 | { |
97769280 | 749 | int error; |
0d64bef9 | 750 | git_buf fullpath = GIT_BUF_INIT; |
96869a4e | 751 | futils__rmdir_data data; |
0d64bef9 RB |
752 | |
753 | /* build path and find "root" where we should start calling mkdir */ | |
754 | if (git_path_join_unrooted(&fullpath, path, base, NULL) < 0) | |
755 | return -1; | |
756 | ||
96869a4e | 757 | memset(&data, 0, sizeof(data)); |
7e5c8a5b RB |
758 | data.base = base ? base : ""; |
759 | data.baselen = base ? strlen(base) : 0; | |
760 | data.flags = flags; | |
331e7de9 RB |
761 | |
762 | error = futils__rmdir_recurs_foreach(&data, &fullpath); | |
763 | ||
764 | /* remove now-empty parents if requested */ | |
96869a4e | 765 | if (!error && (flags & GIT_RMDIR_EMPTY_PARENTS) != 0) |
331e7de9 RB |
766 | error = git_path_walk_up( |
767 | &fullpath, base, futils__rmdir_empty_parent, &data); | |
768 | ||
25e0b157 RB |
769 | if (error == GIT_ITEROVER) { |
770 | giterr_clear(); | |
96869a4e | 771 | error = 0; |
25e0b157 | 772 | } |
0d64bef9 RB |
773 | |
774 | git_buf_free(&fullpath); | |
97769280 | 775 | |
97769280 | 776 | return error; |
42b3a460 MS |
777 | } |
778 | ||
8651c10f BS |
779 | int git_futils_fake_symlink(const char *old, const char *new) |
780 | { | |
781 | int retcode = GIT_ERROR; | |
782 | int fd = git_futils_creat_withpath(new, 0755, 0644); | |
783 | if (fd >= 0) { | |
784 | retcode = p_write(fd, old, strlen(old)); | |
785 | p_close(fd); | |
786 | } | |
787 | return retcode; | |
788 | } | |
ca1b6e54 | 789 | |
85bd1746 | 790 | static int cp_by_fd(int ifd, int ofd, bool close_fd_when_done) |
ca1b6e54 RB |
791 | { |
792 | int error = 0; | |
7dd22538 | 793 | char buffer[FILEIO_BUFSIZE]; |
ca1b6e54 RB |
794 | ssize_t len = 0; |
795 | ||
796 | while (!error && (len = p_read(ifd, buffer, sizeof(buffer))) > 0) | |
797 | /* p_write() does not have the same semantics as write(). It loops | |
798 | * internally and will return 0 when it has completed writing. | |
799 | */ | |
800 | error = p_write(ofd, buffer, len); | |
801 | ||
802 | if (len < 0) { | |
803 | giterr_set(GITERR_OS, "Read error while copying file"); | |
804 | error = (int)len; | |
805 | } | |
806 | ||
edef91ee CMN |
807 | if (error < 0) |
808 | giterr_set(GITERR_OS, "write error while copying file"); | |
809 | ||
85bd1746 | 810 | if (close_fd_when_done) { |
ca1b6e54 RB |
811 | p_close(ifd); |
812 | p_close(ofd); | |
813 | } | |
814 | ||
815 | return error; | |
816 | } | |
817 | ||
85bd1746 | 818 | int git_futils_cp(const char *from, const char *to, mode_t filemode) |
ca1b6e54 RB |
819 | { |
820 | int ifd, ofd; | |
821 | ||
ca1b6e54 RB |
822 | if ((ifd = git_futils_open_ro(from)) < 0) |
823 | return ifd; | |
824 | ||
825 | if ((ofd = p_open(to, O_WRONLY | O_CREAT | O_EXCL, filemode)) < 0) { | |
ca1b6e54 | 826 | p_close(ifd); |
14997dc5 | 827 | return git_path_set_error(errno, to, "open for writing"); |
ca1b6e54 RB |
828 | } |
829 | ||
85bd1746 | 830 | return cp_by_fd(ifd, ofd, true); |
ca1b6e54 RB |
831 | } |
832 | ||
85bd1746 | 833 | static int cp_link(const char *from, const char *to, size_t link_size) |
ca1b6e54 RB |
834 | { |
835 | int error = 0; | |
836 | ssize_t read_len; | |
392702ee | 837 | char *link_data; |
f1453c59 | 838 | size_t alloc_size; |
392702ee | 839 | |
f1453c59 ET |
840 | GITERR_CHECK_ALLOC_ADD(&alloc_size, link_size, 1); |
841 | link_data = git__malloc(alloc_size); | |
ca1b6e54 RB |
842 | GITERR_CHECK_ALLOC(link_data); |
843 | ||
85bd1746 RB |
844 | read_len = p_readlink(from, link_data, link_size); |
845 | if (read_len != (ssize_t)link_size) { | |
ca1b6e54 RB |
846 | giterr_set(GITERR_OS, "Failed to read symlink data for '%s'", from); |
847 | error = -1; | |
848 | } | |
849 | else { | |
850 | link_data[read_len] = '\0'; | |
851 | ||
852 | if (p_symlink(link_data, to) < 0) { | |
853 | giterr_set(GITERR_OS, "Could not symlink '%s' as '%s'", | |
854 | link_data, to); | |
855 | error = -1; | |
856 | } | |
857 | } | |
858 | ||
859 | git__free(link_data); | |
860 | return error; | |
861 | } | |
862 | ||
863 | typedef struct { | |
864 | const char *to_root; | |
865 | git_buf to; | |
866 | ssize_t from_prefix; | |
867 | uint32_t flags; | |
868 | uint32_t mkdir_flags; | |
869 | mode_t dirmode; | |
870 | } cp_r_info; | |
871 | ||
3c42e4ef RB |
872 | #define GIT_CPDIR__MKDIR_DONE_FOR_TO_ROOT (1u << 10) |
873 | ||
874 | static int _cp_r_mkdir(cp_r_info *info, git_buf *from) | |
875 | { | |
876 | int error = 0; | |
877 | ||
878 | /* create root directory the first time we need to create a directory */ | |
879 | if ((info->flags & GIT_CPDIR__MKDIR_DONE_FOR_TO_ROOT) == 0) { | |
880 | error = git_futils_mkdir( | |
ac2fba0e | 881 | info->to_root, info->dirmode, |
18f08264 | 882 | (info->flags & GIT_CPDIR_CHMOD_DIRS) ? GIT_MKDIR_CHMOD : 0); |
3c42e4ef RB |
883 | |
884 | info->flags |= GIT_CPDIR__MKDIR_DONE_FOR_TO_ROOT; | |
885 | } | |
886 | ||
887 | /* create directory with root as base to prevent excess chmods */ | |
888 | if (!error) | |
ac2fba0e | 889 | error = git_futils_mkdir_relative( |
3c42e4ef | 890 | from->ptr + info->from_prefix, info->to_root, |
ac2fba0e | 891 | info->dirmode, info->mkdir_flags, NULL); |
3c42e4ef RB |
892 | |
893 | return error; | |
894 | } | |
895 | ||
ca1b6e54 RB |
896 | static int _cp_r_callback(void *ref, git_buf *from) |
897 | { | |
3c42e4ef | 898 | int error = 0; |
ca1b6e54 RB |
899 | cp_r_info *info = ref; |
900 | struct stat from_st, to_st; | |
901 | bool exists = false; | |
902 | ||
903 | if ((info->flags & GIT_CPDIR_COPY_DOTFILES) == 0 && | |
904 | from->ptr[git_path_basename_offset(from)] == '.') | |
905 | return 0; | |
906 | ||
96869a4e RB |
907 | if ((error = git_buf_joinpath( |
908 | &info->to, info->to_root, from->ptr + info->from_prefix)) < 0) | |
25e0b157 | 909 | return error; |
ca1b6e54 | 910 | |
14997dc5 | 911 | if (!(error = git_path_lstat(info->to.ptr, &to_st))) |
ca1b6e54 | 912 | exists = true; |
14997dc5 | 913 | else if (error != GIT_ENOTFOUND) |
25e0b157 | 914 | return error; |
14997dc5 RB |
915 | else { |
916 | giterr_clear(); | |
917 | error = 0; | |
918 | } | |
ca1b6e54 | 919 | |
3c42e4ef | 920 | if ((error = git_path_lstat(from->ptr, &from_st)) < 0) |
25e0b157 | 921 | return error; |
ca1b6e54 RB |
922 | |
923 | if (S_ISDIR(from_st.st_mode)) { | |
ca1b6e54 RB |
924 | mode_t oldmode = info->dirmode; |
925 | ||
926 | /* if we are not chmod'ing, then overwrite dirmode */ | |
18f08264 | 927 | if ((info->flags & GIT_CPDIR_CHMOD_DIRS) == 0) |
ca1b6e54 RB |
928 | info->dirmode = from_st.st_mode; |
929 | ||
930 | /* make directory now if CREATE_EMPTY_DIRS is requested and needed */ | |
931 | if (!exists && (info->flags & GIT_CPDIR_CREATE_EMPTY_DIRS) != 0) | |
3c42e4ef | 932 | error = _cp_r_mkdir(info, from); |
ca1b6e54 RB |
933 | |
934 | /* recurse onto target directory */ | |
25e0b157 | 935 | if (!error && (!exists || S_ISDIR(to_st.st_mode))) |
219d3457 | 936 | error = git_path_direach(from, 0, _cp_r_callback, info); |
ca1b6e54 RB |
937 | |
938 | if (oldmode != 0) | |
939 | info->dirmode = oldmode; | |
940 | ||
25e0b157 | 941 | return error; |
ca1b6e54 RB |
942 | } |
943 | ||
944 | if (exists) { | |
945 | if ((info->flags & GIT_CPDIR_OVERWRITE) == 0) | |
946 | return 0; | |
947 | ||
948 | if (p_unlink(info->to.ptr) < 0) { | |
949 | giterr_set(GITERR_OS, "Cannot overwrite existing file '%s'", | |
950 | info->to.ptr); | |
25e0b157 | 951 | return GIT_EEXISTS; |
ca1b6e54 RB |
952 | } |
953 | } | |
954 | ||
955 | /* Done if this isn't a regular file or a symlink */ | |
956 | if (!S_ISREG(from_st.st_mode) && | |
957 | (!S_ISLNK(from_st.st_mode) || | |
958 | (info->flags & GIT_CPDIR_COPY_SYMLINKS) == 0)) | |
959 | return 0; | |
960 | ||
961 | /* Make container directory on demand if needed */ | |
962 | if ((info->flags & GIT_CPDIR_CREATE_EMPTY_DIRS) == 0 && | |
3c42e4ef | 963 | (error = _cp_r_mkdir(info, from)) < 0) |
25e0b157 | 964 | return error; |
ca1b6e54 RB |
965 | |
966 | /* make symlink or regular file */ | |
94f742ba | 967 | if (info->flags & GIT_CPDIR_LINK_FILES) { |
54738368 CMN |
968 | if ((error = p_link(from->ptr, info->to.ptr)) < 0) |
969 | giterr_set(GITERR_OS, "failed to link '%s'", from->ptr); | |
94f742ba | 970 | } else if (S_ISLNK(from_st.st_mode)) { |
3c42e4ef | 971 | error = cp_link(from->ptr, info->to.ptr, (size_t)from_st.st_size); |
94f742ba | 972 | } else { |
3c42e4ef RB |
973 | mode_t usemode = from_st.st_mode; |
974 | ||
18f08264 | 975 | if ((info->flags & GIT_CPDIR_SIMPLE_TO_MODE) != 0) |
f240acce | 976 | usemode = GIT_PERMS_FOR_WRITE(usemode); |
3c42e4ef RB |
977 | |
978 | error = git_futils_cp(from->ptr, info->to.ptr, usemode); | |
3c42e4ef RB |
979 | } |
980 | ||
25e0b157 | 981 | return error; |
ca1b6e54 RB |
982 | } |
983 | ||
984 | int git_futils_cp_r( | |
985 | const char *from, | |
986 | const char *to, | |
987 | uint32_t flags, | |
988 | mode_t dirmode) | |
989 | { | |
990 | int error; | |
991 | git_buf path = GIT_BUF_INIT; | |
992 | cp_r_info info; | |
993 | ||
3c42e4ef | 994 | if (git_buf_joinpath(&path, from, "") < 0) /* ensure trailing slash */ |
ca1b6e54 RB |
995 | return -1; |
996 | ||
96869a4e | 997 | memset(&info, 0, sizeof(info)); |
ca1b6e54 RB |
998 | info.to_root = to; |
999 | info.flags = flags; | |
1000 | info.dirmode = dirmode; | |
1001 | info.from_prefix = path.size; | |
1002 | git_buf_init(&info.to, 0); | |
1003 | ||
1004 | /* precalculate mkdir flags */ | |
1005 | if ((flags & GIT_CPDIR_CREATE_EMPTY_DIRS) == 0) { | |
3c42e4ef RB |
1006 | /* if not creating empty dirs, then use mkdir to create the path on |
1007 | * demand right before files are copied. | |
1008 | */ | |
ca1b6e54 | 1009 | info.mkdir_flags = GIT_MKDIR_PATH | GIT_MKDIR_SKIP_LAST; |
18f08264 | 1010 | if ((flags & GIT_CPDIR_CHMOD_DIRS) != 0) |
ca1b6e54 RB |
1011 | info.mkdir_flags |= GIT_MKDIR_CHMOD_PATH; |
1012 | } else { | |
3c42e4ef | 1013 | /* otherwise, we will do simple mkdir as directories are encountered */ |
ca1b6e54 | 1014 | info.mkdir_flags = |
18f08264 | 1015 | ((flags & GIT_CPDIR_CHMOD_DIRS) != 0) ? GIT_MKDIR_CHMOD : 0; |
ca1b6e54 RB |
1016 | } |
1017 | ||
1018 | error = _cp_r_callback(&info, &path); | |
1019 | ||
1020 | git_buf_free(&path); | |
07c06f7a | 1021 | git_buf_free(&info.to); |
ca1b6e54 RB |
1022 | |
1023 | return error; | |
1024 | } | |
744cc03e | 1025 | |
c1f61af6 VM |
1026 | int git_futils_filestamp_check( |
1027 | git_futils_filestamp *stamp, const char *path) | |
744cc03e RB |
1028 | { |
1029 | struct stat st; | |
28cdb315 AR |
1030 | #if defined(__APPLE__) |
1031 | const struct timespec *statmtime = &st.st_mtimespec; | |
1032 | #else | |
1033 | const struct timespec *statmtime = &st.st_mtim; | |
1034 | #endif | |
744cc03e | 1035 | |
c8b511f3 RB |
1036 | /* if the stamp is NULL, then always reload */ |
1037 | if (stamp == NULL) | |
744cc03e RB |
1038 | return 1; |
1039 | ||
7d490872 | 1040 | if (p_stat(path, &st) < 0) |
744cc03e RB |
1041 | return GIT_ENOTFOUND; |
1042 | ||
28cdb315 | 1043 | if (stamp->mtime.tv_sec == statmtime->tv_sec && |
0226f7dd | 1044 | #if defined(GIT_USE_NSEC) |
28cdb315 | 1045 | stamp->mtime.tv_nsec == statmtime->tv_nsec && |
0226f7dd | 1046 | #endif |
c8b511f3 RB |
1047 | stamp->size == (git_off_t)st.st_size && |
1048 | stamp->ino == (unsigned int)st.st_ino) | |
744cc03e RB |
1049 | return 0; |
1050 | ||
28cdb315 | 1051 | stamp->mtime.tv_sec = statmtime->tv_sec; |
0226f7dd | 1052 | #if defined(GIT_USE_NSEC) |
28cdb315 | 1053 | stamp->mtime.tv_nsec = statmtime->tv_nsec; |
0226f7dd | 1054 | #endif |
c8b511f3 RB |
1055 | stamp->size = (git_off_t)st.st_size; |
1056 | stamp->ino = (unsigned int)st.st_ino; | |
744cc03e RB |
1057 | |
1058 | return 1; | |
1059 | } | |
1060 | ||
c1f61af6 VM |
1061 | void git_futils_filestamp_set( |
1062 | git_futils_filestamp *target, const git_futils_filestamp *source) | |
c8b511f3 RB |
1063 | { |
1064 | assert(target); | |
1065 | ||
1066 | if (source) | |
1067 | memcpy(target, source, sizeof(*target)); | |
1068 | else | |
1069 | memset(target, 0, sizeof(*target)); | |
1070 | } | |
823c0e9c RB |
1071 | |
1072 | ||
1073 | void git_futils_filestamp_set_from_stat( | |
1074 | git_futils_filestamp *stamp, struct stat *st) | |
1075 | { | |
28cdb315 AR |
1076 | #if defined(__APPLE__) |
1077 | const struct timespec *statmtime = &st->st_mtimespec; | |
1078 | #else | |
1079 | const struct timespec *statmtime = &st->st_mtim; | |
1080 | #endif | |
1081 | ||
823c0e9c | 1082 | if (st) { |
28cdb315 | 1083 | stamp->mtime = *statmtime; |
823c0e9c RB |
1084 | stamp->size = (git_off_t)st->st_size; |
1085 | stamp->ino = (unsigned int)st->st_ino; | |
1086 | } else { | |
1087 | memset(stamp, 0, sizeof(*stamp)); | |
1088 | } | |
1089 | } |