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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( | |
3547b122 | 156 | git_buf *out, const char *path, git_oid *checksum, int *updated) |
75d58430 | 157 | { |
eb597799 | 158 | int error; |
75d58430 | 159 | git_file fd; |
c3da9f06 | 160 | struct stat st; |
3547b122 | 161 | git_buf buf = GIT_BUF_INIT; |
eb597799 | 162 | git_oid checksum_new; |
75d58430 | 163 | |
3547b122 | 164 | assert(out && path && *path); |
75d58430 | 165 | |
c3da9f06 CMN |
166 | if (updated != NULL) |
167 | *updated = 0; | |
75d58430 | 168 | |
14997dc5 RB |
169 | if (p_stat(path, &st) < 0) |
170 | return git_path_set_error(errno, path, "stat"); | |
c3da9f06 | 171 | |
7c9f5bec CMN |
172 | |
173 | if (S_ISDIR(st.st_mode)) { | |
174 | giterr_set(GITERR_INVALID, "requested file is a directory"); | |
175 | return GIT_ENOTFOUND; | |
176 | } | |
177 | ||
178 | if (!git__is_sizet(st.st_size+1)) { | |
1a481123 VM |
179 | giterr_set(GITERR_OS, "Invalid regular file stat for '%s'", path); |
180 | return -1; | |
13224ea4 | 181 | } |
c3da9f06 | 182 | |
9ccdb211 BR |
183 | if ((fd = git_futils_open_ro(path)) < 0) |
184 | return fd; | |
185 | ||
3547b122 | 186 | if (git_futils_readbuffer_fd(&buf, fd, (size_t)st.st_size) < 0) { |
e1de726c RB |
187 | p_close(fd); |
188 | return -1; | |
75d58430 RJ |
189 | } |
190 | ||
f79026b4 | 191 | p_close(fd); |
75d58430 | 192 | |
3547b122 CMN |
193 | if ((error = git_hash_buf(&checksum_new, buf.ptr, buf.size)) < 0) { |
194 | git_buf_free(&buf); | |
eb597799 CMN |
195 | return error; |
196 | } | |
197 | ||
198 | /* | |
199 | * If we were given a checksum, we only want to use it if it's different | |
200 | */ | |
201 | if (checksum && !git_oid__cmp(checksum, &checksum_new)) { | |
3547b122 | 202 | git_buf_free(&buf); |
eb597799 CMN |
203 | if (updated) |
204 | *updated = 0; | |
205 | ||
206 | return 0; | |
207 | } | |
208 | ||
209 | /* | |
210 | * If we're here, the file did change, or the user didn't have an old version | |
211 | */ | |
212 | if (checksum) | |
213 | git_oid_cpy(checksum, &checksum_new); | |
214 | ||
c3da9f06 CMN |
215 | if (updated != NULL) |
216 | *updated = 1; | |
217 | ||
3547b122 CMN |
218 | git_buf_swap(out, &buf); |
219 | git_buf_free(&buf); | |
220 | ||
13224ea4 | 221 | return 0; |
c3da9f06 CMN |
222 | } |
223 | ||
13224ea4 | 224 | int git_futils_readbuffer(git_buf *buf, const char *path) |
97769280 | 225 | { |
eb597799 | 226 | return git_futils_readbuffer_updated(buf, path, NULL, NULL); |
97769280 RB |
227 | } |
228 | ||
4742148d RB |
229 | int git_futils_writebuffer( |
230 | const git_buf *buf, const char *path, int flags, mode_t mode) | |
231 | { | |
232 | int fd, error = 0; | |
233 | ||
234 | if (flags <= 0) | |
235 | flags = O_CREAT | O_TRUNC | O_WRONLY; | |
236 | if (!mode) | |
237 | mode = GIT_FILEMODE_BLOB; | |
238 | ||
239 | if ((fd = p_open(path, flags, mode)) < 0) { | |
240 | giterr_set(GITERR_OS, "Could not open '%s' for writing", path); | |
241 | return fd; | |
242 | } | |
243 | ||
244 | if ((error = p_write(fd, git_buf_cstr(buf), git_buf_len(buf))) < 0) { | |
245 | giterr_set(GITERR_OS, "Could not write to '%s'", path); | |
246 | (void)p_close(fd); | |
f5254d78 | 247 | return error; |
4742148d RB |
248 | } |
249 | ||
250 | if ((error = p_close(fd)) < 0) | |
251 | giterr_set(GITERR_OS, "Error while closing '%s'", path); | |
252 | ||
253 | return error; | |
254 | } | |
255 | ||
ce8cd006 | 256 | int git_futils_mv_withpath(const char *from, const char *to, const mode_t dirmode) |
19a30a3f | 257 | { |
deafee7b RB |
258 | if (git_futils_mkpath2file(to, dirmode) < 0) |
259 | return -1; | |
19a30a3f | 260 | |
deafee7b RB |
261 | if (p_rename(from, to) < 0) { |
262 | giterr_set(GITERR_OS, "Failed to rename '%s' to '%s'", from, to); | |
263 | return -1; | |
264 | } | |
265 | ||
266 | return 0; | |
19a30a3f VM |
267 | } |
268 | ||
f79026b4 | 269 | int git_futils_mmap_ro(git_map *out, git_file fd, git_off_t begin, size_t len) |
20e7f426 | 270 | { |
f79026b4 | 271 | return p_mmap(out, len, GIT_PROT_READ, GIT_MAP_SHARED, fd, begin); |
20e7f426 SP |
272 | } |
273 | ||
74fa4bfa RB |
274 | int git_futils_mmap_ro_file(git_map *out, const char *path) |
275 | { | |
0d0fa7c3 RB |
276 | git_file fd = git_futils_open_ro(path); |
277 | git_off_t len; | |
da9abdd6 | 278 | int result; |
0d0fa7c3 RB |
279 | |
280 | if (fd < 0) | |
281 | return fd; | |
282 | ||
283 | len = git_futils_filesize(fd); | |
deafee7b RB |
284 | if (!git__is_sizet(len)) { |
285 | giterr_set(GITERR_OS, "File `%s` too large to mmap", path); | |
286 | return -1; | |
287 | } | |
0d0fa7c3 | 288 | |
da9abdd6 | 289 | result = git_futils_mmap_ro(out, fd, 0, (size_t)len); |
74fa4bfa RB |
290 | p_close(fd); |
291 | return result; | |
292 | } | |
293 | ||
f79026b4 | 294 | void git_futils_mmap_free(git_map *out) |
20e7f426 | 295 | { |
f79026b4 | 296 | p_munmap(out); |
20e7f426 SP |
297 | } |
298 | ||
81aaf370 ET |
299 | GIT_INLINE(int) mkdir_validate_dir( |
300 | const char *path, | |
e74340b0 ET |
301 | struct stat *st, |
302 | mode_t mode, | |
303 | uint32_t flags, | |
81aaf370 | 304 | struct git_futils_mkdir_options *opts) |
e74340b0 | 305 | { |
81aaf370 ET |
306 | /* with exclusive create, existing dir is an error */ |
307 | if ((flags & GIT_MKDIR_EXCL) != 0) { | |
308 | giterr_set(GITERR_FILESYSTEM, | |
309 | "Failed to make directory '%s': directory exists", path); | |
310 | return GIT_EEXISTS; | |
311 | } | |
312 | ||
e74340b0 ET |
313 | if ((S_ISREG(st->st_mode) && (flags & GIT_MKDIR_REMOVE_FILES)) || |
314 | (S_ISLNK(st->st_mode) && (flags & GIT_MKDIR_REMOVE_SYMLINKS))) { | |
81aaf370 | 315 | if (p_unlink(path) < 0) { |
e74340b0 | 316 | giterr_set(GITERR_OS, "Failed to remove %s '%s'", |
81aaf370 | 317 | S_ISLNK(st->st_mode) ? "symlink" : "file", path); |
e74340b0 ET |
318 | return GIT_EEXISTS; |
319 | } | |
320 | ||
81aaf370 | 321 | opts->perfdata.mkdir_calls++; |
e74340b0 | 322 | |
81aaf370 ET |
323 | if (p_mkdir(path, mode) < 0) { |
324 | giterr_set(GITERR_OS, "Failed to make directory '%s'", path); | |
e74340b0 ET |
325 | return GIT_EEXISTS; |
326 | } | |
327 | } | |
328 | ||
329 | else if (S_ISLNK(st->st_mode)) { | |
330 | /* Re-stat the target, make sure it's a directory */ | |
81aaf370 | 331 | opts->perfdata.stat_calls++; |
e74340b0 | 332 | |
81aaf370 ET |
333 | if (p_stat(path, st) < 0) { |
334 | giterr_set(GITERR_OS, "Failed to make directory '%s'", path); | |
e74340b0 ET |
335 | return GIT_EEXISTS; |
336 | } | |
337 | } | |
338 | ||
339 | else if (!S_ISDIR(st->st_mode)) { | |
340 | giterr_set(GITERR_FILESYSTEM, | |
81aaf370 | 341 | "Failed to make directory '%s': directory exists", path); |
e74340b0 ET |
342 | return GIT_EEXISTS; |
343 | } | |
344 | ||
345 | return 0; | |
346 | } | |
347 | ||
81aaf370 ET |
348 | GIT_INLINE(int) mkdir_validate_mode( |
349 | const char *path, | |
350 | struct stat *st, | |
351 | bool terminal_path, | |
352 | mode_t mode, | |
353 | uint32_t flags, | |
354 | struct git_futils_mkdir_options *opts) | |
355 | { | |
356 | if (((terminal_path && (flags & GIT_MKDIR_CHMOD) != 0) || | |
357 | (flags & GIT_MKDIR_CHMOD_PATH) != 0) && st->st_mode != mode) { | |
358 | ||
359 | opts->perfdata.chmod_calls++; | |
360 | ||
361 | if (p_chmod(path, mode) < 0) { | |
362 | giterr_set(GITERR_OS, "failed to set permissions on '%s'", path); | |
363 | return -1; | |
364 | } | |
365 | } | |
366 | ||
367 | return 0; | |
368 | } | |
28cdb315 | 369 | |
e24c60db ET |
370 | GIT_INLINE(int) mkdir_canonicalize( |
371 | git_buf *path, | |
372 | uint32_t flags) | |
1a5204a7 | 373 | { |
e24c60db | 374 | ssize_t root_len; |
ac2fba0e | 375 | |
e24c60db ET |
376 | if (path->size == 0) { |
377 | giterr_set(GITERR_OS, "attempt to create empty path"); | |
ca1b6e54 | 378 | return -1; |
97769280 | 379 | } |
f0b2bfe5 | 380 | |
9cb5b0f7 | 381 | /* Trim trailing slashes (except the root) */ |
e24c60db | 382 | if ((root_len = git_path_root(path->ptr)) < 0) |
9cb5b0f7 ET |
383 | root_len = 0; |
384 | else | |
385 | root_len++; | |
386 | ||
e24c60db ET |
387 | while (path->size > (size_t)root_len && path->ptr[path->size - 1] == '/') |
388 | path->ptr[--path->size] = '\0'; | |
412de9a6 | 389 | |
ca1b6e54 | 390 | /* if we are not supposed to made the last element, truncate it */ |
3c42e4ef | 391 | if ((flags & GIT_MKDIR_SKIP_LAST2) != 0) { |
e24c60db | 392 | git_path_dirname_r(path, path->ptr); |
3c42e4ef RB |
393 | flags |= GIT_MKDIR_SKIP_LAST; |
394 | } | |
9cb5b0f7 | 395 | if ((flags & GIT_MKDIR_SKIP_LAST) != 0) { |
e24c60db | 396 | git_path_dirname_r(path, path->ptr); |
9cb5b0f7 | 397 | } |
ca1b6e54 | 398 | |
9cb5b0f7 | 399 | /* We were either given the root path (or trimmed it to |
e24c60db ET |
400 | * the root), we don't have anything to do. |
401 | */ | |
402 | if (path->size <= (size_t)root_len) | |
403 | git_buf_clear(path); | |
404 | ||
405 | return 0; | |
406 | } | |
407 | ||
408 | int git_futils_mkdir( | |
409 | const char *path, | |
410 | mode_t mode, | |
411 | uint32_t flags) | |
412 | { | |
413 | git_buf make_path = GIT_BUF_INIT, parent_path = GIT_BUF_INIT; | |
414 | const char *relative; | |
415 | struct git_futils_mkdir_options opts = { 0 }; | |
416 | struct stat st; | |
417 | size_t depth = 0; | |
9ce2e7b3 | 418 | int len = 0, root_len, error; |
e24c60db ET |
419 | |
420 | if ((error = git_buf_puts(&make_path, path)) < 0 || | |
421 | (error = mkdir_canonicalize(&make_path, flags)) < 0 || | |
422 | (error = git_buf_puts(&parent_path, make_path.ptr)) < 0 || | |
423 | make_path.size == 0) | |
424 | goto done; | |
425 | ||
9ce2e7b3 ET |
426 | root_len = git_path_root(make_path.ptr); |
427 | ||
e24c60db ET |
428 | /* find the first parent directory that exists. this will be used |
429 | * as the base to dirname_relative. | |
9cb5b0f7 | 430 | */ |
e24c60db ET |
431 | for (relative = make_path.ptr; parent_path.size; ) { |
432 | error = p_lstat(parent_path.ptr, &st); | |
433 | ||
434 | if (error == 0) { | |
435 | break; | |
436 | } else if (errno != ENOENT) { | |
437 | giterr_set(GITERR_OS, "failed to stat '%s'", parent_path.ptr); | |
438 | goto done; | |
439 | } | |
440 | ||
441 | depth++; | |
442 | ||
443 | /* examine the parent of the current path */ | |
444 | if ((len = git_path_dirname_r(&parent_path, parent_path.ptr)) < 0) { | |
445 | error = len; | |
446 | goto done; | |
447 | } | |
448 | ||
449 | assert(len); | |
450 | ||
451 | /* we've walked all the given path's parents and it's either relative | |
452 | * or rooted. either way, give up and make the entire path. | |
453 | */ | |
9ce2e7b3 | 454 | if ((len == 1 && parent_path.ptr[0] == '.') || len == root_len+1) { |
e24c60db ET |
455 | relative = make_path.ptr; |
456 | break; | |
457 | } | |
458 | ||
459 | relative = make_path.ptr + len + 1; | |
460 | ||
461 | /* not recursive? just make this directory relative to its parent. */ | |
462 | if ((flags & GIT_MKDIR_PATH) == 0) | |
463 | break; | |
464 | } | |
465 | ||
466 | /* we found an item at the location we're trying to create, | |
467 | * validate it. | |
468 | */ | |
469 | if (depth == 0) { | |
81aaf370 | 470 | error = mkdir_validate_dir(make_path.ptr, &st, mode, flags, &opts); |
e24c60db | 471 | |
81aaf370 ET |
472 | if (!error) |
473 | error = mkdir_validate_mode( | |
474 | make_path.ptr, &st, true, mode, flags, &opts); | |
e24c60db | 475 | |
f7e56150 RB |
476 | goto done; |
477 | } | |
478 | ||
e24c60db ET |
479 | /* we already took `SKIP_LAST` and `SKIP_LAST2` into account when |
480 | * canonicalizing `make_path`. | |
481 | */ | |
482 | flags &= ~(GIT_MKDIR_SKIP_LAST2 | GIT_MKDIR_SKIP_LAST); | |
483 | ||
484 | error = git_futils_mkdir_relative(relative, | |
485 | parent_path.size ? parent_path.ptr : NULL, mode, flags, &opts); | |
486 | ||
487 | done: | |
488 | git_buf_free(&make_path); | |
489 | git_buf_free(&parent_path); | |
490 | return error; | |
491 | } | |
492 | ||
493 | int git_futils_mkdir_r(const char *path, const mode_t mode) | |
494 | { | |
495 | return git_futils_mkdir(path, mode, GIT_MKDIR_PATH); | |
496 | } | |
497 | ||
498 | int git_futils_mkdir_relative( | |
499 | const char *relative_path, | |
500 | const char *base, | |
501 | mode_t mode, | |
502 | uint32_t flags, | |
503 | struct git_futils_mkdir_options *opts) | |
504 | { | |
505 | git_buf make_path = GIT_BUF_INIT; | |
506 | ssize_t root = 0, min_root_len; | |
507 | char lastch = '/', *tail; | |
508 | struct stat st; | |
509 | struct git_futils_mkdir_options empty_opts = {0}; | |
510 | int error; | |
511 | ||
512 | if (!opts) | |
513 | opts = &empty_opts; | |
514 | ||
515 | /* build path and find "root" where we should start calling mkdir */ | |
516 | if (git_path_join_unrooted(&make_path, relative_path, base, &root) < 0) | |
517 | return -1; | |
518 | ||
519 | if ((error = mkdir_canonicalize(&make_path, flags)) < 0 || | |
520 | make_path.size == 0) | |
521 | goto done; | |
522 | ||
ca1b6e54 RB |
523 | /* if we are not supposed to make the whole path, reset root */ |
524 | if ((flags & GIT_MKDIR_PATH) == 0) | |
525 | root = git_buf_rfind(&make_path, '/'); | |
526 | ||
f7e56150 RB |
527 | /* advance root past drive name or network mount prefix */ |
528 | min_root_len = git_path_root(make_path.ptr); | |
529 | if (root < min_root_len) | |
530 | root = min_root_len; | |
2da72fb2 | 531 | while (root >= 0 && make_path.ptr[root] == '/') |
f7e56150 RB |
532 | ++root; |
533 | ||
ca1b6e54 | 534 | /* clip root to make_path length */ |
f7e56150 RB |
535 | if (root > (ssize_t)make_path.size) |
536 | root = (ssize_t)make_path.size; /* i.e. NUL byte of string */ | |
0e26202c RB |
537 | if (root < 0) |
538 | root = 0; | |
ca1b6e54 | 539 | |
f7e56150 RB |
540 | /* walk down tail of path making each directory */ |
541 | for (tail = &make_path.ptr[root]; *tail; *tail = lastch) { | |
d88e6e9b | 542 | bool mkdir_attempted = false; |
999d4405 | 543 | |
ca1b6e54 RB |
544 | /* advance tail to include next path component */ |
545 | while (*tail == '/') | |
546 | tail++; | |
547 | while (*tail && *tail != '/') | |
548 | tail++; | |
549 | ||
550 | /* truncate path at next component */ | |
551 | lastch = *tail; | |
552 | *tail = '\0'; | |
999d4405 | 553 | st.st_mode = 0; |
ca1b6e54 | 554 | |
500ec543 ET |
555 | if (opts->dir_map && git_strmap_exists(opts->dir_map, make_path.ptr)) |
556 | continue; | |
557 | ||
fe598f09 | 558 | /* See what's going on with this path component */ |
500ec543 | 559 | opts->perfdata.stat_calls++; |
1d50b364 | 560 | |
d88e6e9b | 561 | retry_lstat: |
fe598f09 | 562 | if (p_lstat(make_path.ptr, &st) < 0) { |
d88e6e9b VM |
563 | if (mkdir_attempted || errno != ENOENT) { |
564 | giterr_set(GITERR_OS, "Cannot access component in path '%s'", make_path.ptr); | |
565 | error = -1; | |
fe598f09 ET |
566 | goto done; |
567 | } | |
568 | ||
569 | giterr_clear(); | |
d88e6e9b VM |
570 | opts->perfdata.mkdir_calls++; |
571 | mkdir_attempted = true; | |
572 | if (p_mkdir(make_path.ptr, mode) < 0) { | |
573 | if (errno == EEXIST) | |
574 | goto retry_lstat; | |
575 | giterr_set(GITERR_OS, "Failed to make directory '%s'", make_path.ptr); | |
576 | error = -1; | |
577 | goto done; | |
578 | } | |
fe598f09 | 579 | } else { |
81aaf370 ET |
580 | if ((error = mkdir_validate_dir( |
581 | make_path.ptr, &st, mode, flags, opts)) < 0) | |
fe598f09 | 582 | goto done; |
d5f25204 | 583 | } |
40c44d2f | 584 | |
999d4405 | 585 | /* chmod if requested and necessary */ |
81aaf370 ET |
586 | if ((error = mkdir_validate_mode( |
587 | make_path.ptr, &st, (lastch == '\0'), mode, flags, opts)) < 0) | |
588 | goto done; | |
500ec543 ET |
589 | |
590 | if (opts->dir_map && opts->pool) { | |
f1453c59 ET |
591 | char *cache_path; |
592 | size_t alloc_size; | |
593 | ||
594 | GITERR_CHECK_ALLOC_ADD(&alloc_size, make_path.size, 1); | |
595 | if (!git__is_uint32(alloc_size)) | |
596 | return -1; | |
597 | cache_path = git_pool_malloc(opts->pool, (uint32_t)alloc_size); | |
500ec543 ET |
598 | GITERR_CHECK_ALLOC(cache_path); |
599 | ||
600 | memcpy(cache_path, make_path.ptr, make_path.size + 1); | |
601 | ||
602 | git_strmap_insert(opts->dir_map, cache_path, cache_path, error); | |
603 | if (error < 0) | |
604 | goto done; | |
605 | } | |
a993e4fe | 606 | } |
40c44d2f | 607 | |
999d4405 RB |
608 | error = 0; |
609 | ||
610 | /* check that full path really is a directory if requested & needed */ | |
f7e56150 | 611 | if ((flags & GIT_MKDIR_VERIFY_DIR) != 0 && |
1d50b364 | 612 | lastch != '\0') { |
500ec543 | 613 | opts->perfdata.stat_calls++; |
1d50b364 ET |
614 | |
615 | if (p_stat(make_path.ptr, &st) < 0 || !S_ISDIR(st.st_mode)) { | |
e74340b0 ET |
616 | giterr_set(GITERR_OS, "Path is not a directory '%s'", |
617 | make_path.ptr); | |
1d50b364 ET |
618 | error = GIT_ENOTFOUND; |
619 | } | |
999d4405 | 620 | } |
77c3999c | 621 | |
999d4405 | 622 | done: |
ca1b6e54 | 623 | git_buf_free(&make_path); |
331e7de9 | 624 | return error; |
ca1b6e54 | 625 | } |
77c3999c | 626 | |
331e7de9 | 627 | typedef struct { |
ad9a921b | 628 | const char *base; |
7e5c8a5b | 629 | size_t baselen; |
331e7de9 | 630 | uint32_t flags; |
219d3457 | 631 | int depth; |
331e7de9 RB |
632 | } futils__rmdir_data; |
633 | ||
219d3457 RB |
634 | #define FUTILS_MAX_DEPTH 100 |
635 | ||
331e7de9 | 636 | static int futils__error_cannot_rmdir(const char *path, const char *filemsg) |
42b3a460 | 637 | { |
331e7de9 RB |
638 | if (filemsg) |
639 | giterr_set(GITERR_OS, "Could not remove directory. File '%s' %s", | |
640 | path, filemsg); | |
641 | else | |
642 | giterr_set(GITERR_OS, "Could not remove directory '%s'", path); | |
555aa453 | 643 | |
331e7de9 RB |
644 | return -1; |
645 | } | |
deafee7b | 646 | |
ad9a921b RB |
647 | static int futils__rm_first_parent(git_buf *path, const char *ceiling) |
648 | { | |
649 | int error = GIT_ENOTFOUND; | |
650 | struct stat st; | |
651 | ||
652 | while (error == GIT_ENOTFOUND) { | |
653 | git_buf_rtruncate_at_char(path, '/'); | |
654 | ||
655 | if (!path->size || git__prefixcmp(path->ptr, ceiling) != 0) | |
656 | error = 0; | |
cccacac5 | 657 | else if (p_lstat_posixly(path->ptr, &st) == 0) { |
ad9a921b RB |
658 | if (S_ISREG(st.st_mode) || S_ISLNK(st.st_mode)) |
659 | error = p_unlink(path->ptr); | |
660 | else if (!S_ISDIR(st.st_mode)) | |
661 | error = -1; /* fail to remove non-regular file */ | |
662 | } else if (errno != ENOTDIR) | |
663 | error = -1; | |
664 | } | |
665 | ||
666 | if (error) | |
667 | futils__error_cannot_rmdir(path->ptr, "cannot remove parent"); | |
668 | ||
669 | return error; | |
670 | } | |
671 | ||
331e7de9 RB |
672 | static int futils__rmdir_recurs_foreach(void *opaque, git_buf *path) |
673 | { | |
96869a4e | 674 | int error = 0; |
331e7de9 | 675 | futils__rmdir_data *data = opaque; |
14997dc5 | 676 | struct stat st; |
555aa453 | 677 | |
14997dc5 RB |
678 | if (data->depth > FUTILS_MAX_DEPTH) |
679 | error = futils__error_cannot_rmdir( | |
680 | path->ptr, "directory nesting too deep"); | |
219d3457 | 681 | |
14997dc5 | 682 | else if ((error = p_lstat_posixly(path->ptr, &st)) < 0) { |
ad9a921b | 683 | if (errno == ENOENT) |
14997dc5 | 684 | error = 0; |
ad9a921b RB |
685 | else if (errno == ENOTDIR) { |
686 | /* asked to remove a/b/c/d/e and a/b is a normal file */ | |
687 | if ((data->flags & GIT_RMDIR_REMOVE_BLOCKERS) != 0) | |
14997dc5 | 688 | error = futils__rm_first_parent(path, data->base); |
ad9a921b RB |
689 | else |
690 | futils__error_cannot_rmdir( | |
691 | path->ptr, "parent is not directory"); | |
692 | } | |
693 | else | |
14997dc5 | 694 | error = git_path_set_error(errno, path->ptr, "rmdir"); |
ad9a921b RB |
695 | } |
696 | ||
697 | else if (S_ISDIR(st.st_mode)) { | |
219d3457 RB |
698 | data->depth++; |
699 | ||
14997dc5 | 700 | error = git_path_direach(path, 0, futils__rmdir_recurs_foreach, data); |
219d3457 RB |
701 | |
702 | data->depth--; | |
703 | ||
96869a4e | 704 | if (error < 0) |
25e0b157 | 705 | return error; |
96869a4e | 706 | |
219d3457 | 707 | if (data->depth == 0 && (data->flags & GIT_RMDIR_SKIP_ROOT) != 0) |
25e0b157 | 708 | return error; |
331e7de9 | 709 | |
14997dc5 | 710 | if ((error = p_rmdir(path->ptr)) < 0) { |
331e7de9 | 711 | if ((data->flags & GIT_RMDIR_SKIP_NONEMPTY) != 0 && |
e09d18ee | 712 | (errno == ENOTEMPTY || errno == EEXIST || errno == EBUSY)) |
14997dc5 | 713 | error = 0; |
331e7de9 | 714 | else |
14997dc5 | 715 | error = git_path_set_error(errno, path->ptr, "rmdir"); |
deafee7b | 716 | } |
858dba58 VM |
717 | } |
718 | ||
331e7de9 | 719 | else if ((data->flags & GIT_RMDIR_REMOVE_FILES) != 0) { |
14997dc5 RB |
720 | if (p_unlink(path->ptr) < 0) |
721 | error = git_path_set_error(errno, path->ptr, "remove"); | |
deafee7b RB |
722 | } |
723 | ||
ad9a921b | 724 | else if ((data->flags & GIT_RMDIR_SKIP_NONEMPTY) == 0) |
14997dc5 | 725 | error = futils__error_cannot_rmdir(path->ptr, "still present"); |
555aa453 | 726 | |
25e0b157 | 727 | return error; |
331e7de9 RB |
728 | } |
729 | ||
bbb988a5 | 730 | static int futils__rmdir_empty_parent(void *opaque, const char *path) |
331e7de9 | 731 | { |
7e5c8a5b | 732 | futils__rmdir_data *data = opaque; |
96869a4e | 733 | int error = 0; |
7e5c8a5b | 734 | |
bbb988a5 | 735 | if (strlen(path) <= data->baselen) |
25e0b157 | 736 | error = GIT_ITEROVER; |
331e7de9 | 737 | |
bbb988a5 | 738 | else if (p_rmdir(path) < 0) { |
331e7de9 RB |
739 | int en = errno; |
740 | ||
741 | if (en == ENOENT || en == ENOTDIR) { | |
96869a4e | 742 | /* do nothing */ |
e09d18ee | 743 | } else if (en == ENOTEMPTY || en == EEXIST || en == EBUSY) { |
331e7de9 RB |
744 | error = GIT_ITEROVER; |
745 | } else { | |
bbb988a5 | 746 | error = git_path_set_error(errno, path, "rmdir"); |
331e7de9 RB |
747 | } |
748 | } | |
749 | ||
25e0b157 | 750 | return error; |
42b3a460 MS |
751 | } |
752 | ||
0d64bef9 | 753 | int git_futils_rmdir_r( |
331e7de9 | 754 | const char *path, const char *base, uint32_t flags) |
42b3a460 | 755 | { |
97769280 | 756 | int error; |
0d64bef9 | 757 | git_buf fullpath = GIT_BUF_INIT; |
96869a4e | 758 | futils__rmdir_data data; |
0d64bef9 RB |
759 | |
760 | /* build path and find "root" where we should start calling mkdir */ | |
761 | if (git_path_join_unrooted(&fullpath, path, base, NULL) < 0) | |
762 | return -1; | |
763 | ||
96869a4e | 764 | memset(&data, 0, sizeof(data)); |
7e5c8a5b RB |
765 | data.base = base ? base : ""; |
766 | data.baselen = base ? strlen(base) : 0; | |
767 | data.flags = flags; | |
331e7de9 RB |
768 | |
769 | error = futils__rmdir_recurs_foreach(&data, &fullpath); | |
770 | ||
771 | /* remove now-empty parents if requested */ | |
96869a4e | 772 | if (!error && (flags & GIT_RMDIR_EMPTY_PARENTS) != 0) |
331e7de9 RB |
773 | error = git_path_walk_up( |
774 | &fullpath, base, futils__rmdir_empty_parent, &data); | |
775 | ||
25e0b157 RB |
776 | if (error == GIT_ITEROVER) { |
777 | giterr_clear(); | |
96869a4e | 778 | error = 0; |
25e0b157 | 779 | } |
0d64bef9 RB |
780 | |
781 | git_buf_free(&fullpath); | |
97769280 | 782 | |
97769280 | 783 | return error; |
42b3a460 MS |
784 | } |
785 | ||
8651c10f BS |
786 | int git_futils_fake_symlink(const char *old, const char *new) |
787 | { | |
788 | int retcode = GIT_ERROR; | |
789 | int fd = git_futils_creat_withpath(new, 0755, 0644); | |
790 | if (fd >= 0) { | |
791 | retcode = p_write(fd, old, strlen(old)); | |
792 | p_close(fd); | |
793 | } | |
794 | return retcode; | |
795 | } | |
ca1b6e54 | 796 | |
85bd1746 | 797 | static int cp_by_fd(int ifd, int ofd, bool close_fd_when_done) |
ca1b6e54 RB |
798 | { |
799 | int error = 0; | |
7dd22538 | 800 | char buffer[FILEIO_BUFSIZE]; |
ca1b6e54 RB |
801 | ssize_t len = 0; |
802 | ||
803 | while (!error && (len = p_read(ifd, buffer, sizeof(buffer))) > 0) | |
804 | /* p_write() does not have the same semantics as write(). It loops | |
805 | * internally and will return 0 when it has completed writing. | |
806 | */ | |
807 | error = p_write(ofd, buffer, len); | |
808 | ||
809 | if (len < 0) { | |
810 | giterr_set(GITERR_OS, "Read error while copying file"); | |
811 | error = (int)len; | |
812 | } | |
813 | ||
edef91ee CMN |
814 | if (error < 0) |
815 | giterr_set(GITERR_OS, "write error while copying file"); | |
816 | ||
85bd1746 | 817 | if (close_fd_when_done) { |
ca1b6e54 RB |
818 | p_close(ifd); |
819 | p_close(ofd); | |
820 | } | |
821 | ||
822 | return error; | |
823 | } | |
824 | ||
85bd1746 | 825 | int git_futils_cp(const char *from, const char *to, mode_t filemode) |
ca1b6e54 RB |
826 | { |
827 | int ifd, ofd; | |
828 | ||
ca1b6e54 RB |
829 | if ((ifd = git_futils_open_ro(from)) < 0) |
830 | return ifd; | |
831 | ||
832 | if ((ofd = p_open(to, O_WRONLY | O_CREAT | O_EXCL, filemode)) < 0) { | |
ca1b6e54 | 833 | p_close(ifd); |
14997dc5 | 834 | return git_path_set_error(errno, to, "open for writing"); |
ca1b6e54 RB |
835 | } |
836 | ||
85bd1746 | 837 | return cp_by_fd(ifd, ofd, true); |
ca1b6e54 RB |
838 | } |
839 | ||
27051d4e | 840 | int git_futils_touch(const char *path, time_t *when) |
8f09a98e ET |
841 | { |
842 | struct p_timeval times[2]; | |
8f09a98e ET |
843 | int ret; |
844 | ||
27051d4e ET |
845 | times[0].tv_sec = times[1].tv_sec = when ? *when : time(NULL); |
846 | times[0].tv_usec = times[1].tv_usec = 0; | |
8f09a98e ET |
847 | |
848 | ret = p_utimes(path, times); | |
849 | ||
850 | return (ret < 0) ? git_path_set_error(errno, path, "touch") : 0; | |
851 | } | |
852 | ||
85bd1746 | 853 | static int cp_link(const char *from, const char *to, size_t link_size) |
ca1b6e54 RB |
854 | { |
855 | int error = 0; | |
856 | ssize_t read_len; | |
392702ee | 857 | char *link_data; |
f1453c59 | 858 | size_t alloc_size; |
392702ee | 859 | |
f1453c59 ET |
860 | GITERR_CHECK_ALLOC_ADD(&alloc_size, link_size, 1); |
861 | link_data = git__malloc(alloc_size); | |
ca1b6e54 RB |
862 | GITERR_CHECK_ALLOC(link_data); |
863 | ||
85bd1746 RB |
864 | read_len = p_readlink(from, link_data, link_size); |
865 | if (read_len != (ssize_t)link_size) { | |
ca1b6e54 RB |
866 | giterr_set(GITERR_OS, "Failed to read symlink data for '%s'", from); |
867 | error = -1; | |
868 | } | |
869 | else { | |
870 | link_data[read_len] = '\0'; | |
871 | ||
872 | if (p_symlink(link_data, to) < 0) { | |
873 | giterr_set(GITERR_OS, "Could not symlink '%s' as '%s'", | |
874 | link_data, to); | |
875 | error = -1; | |
876 | } | |
877 | } | |
878 | ||
879 | git__free(link_data); | |
880 | return error; | |
881 | } | |
882 | ||
883 | typedef struct { | |
884 | const char *to_root; | |
885 | git_buf to; | |
886 | ssize_t from_prefix; | |
887 | uint32_t flags; | |
888 | uint32_t mkdir_flags; | |
889 | mode_t dirmode; | |
890 | } cp_r_info; | |
891 | ||
3c42e4ef RB |
892 | #define GIT_CPDIR__MKDIR_DONE_FOR_TO_ROOT (1u << 10) |
893 | ||
894 | static int _cp_r_mkdir(cp_r_info *info, git_buf *from) | |
895 | { | |
896 | int error = 0; | |
897 | ||
898 | /* create root directory the first time we need to create a directory */ | |
899 | if ((info->flags & GIT_CPDIR__MKDIR_DONE_FOR_TO_ROOT) == 0) { | |
900 | error = git_futils_mkdir( | |
ac2fba0e | 901 | info->to_root, info->dirmode, |
18f08264 | 902 | (info->flags & GIT_CPDIR_CHMOD_DIRS) ? GIT_MKDIR_CHMOD : 0); |
3c42e4ef RB |
903 | |
904 | info->flags |= GIT_CPDIR__MKDIR_DONE_FOR_TO_ROOT; | |
905 | } | |
906 | ||
907 | /* create directory with root as base to prevent excess chmods */ | |
908 | if (!error) | |
ac2fba0e | 909 | error = git_futils_mkdir_relative( |
3c42e4ef | 910 | from->ptr + info->from_prefix, info->to_root, |
ac2fba0e | 911 | info->dirmode, info->mkdir_flags, NULL); |
3c42e4ef RB |
912 | |
913 | return error; | |
914 | } | |
915 | ||
ca1b6e54 RB |
916 | static int _cp_r_callback(void *ref, git_buf *from) |
917 | { | |
3c42e4ef | 918 | int error = 0; |
ca1b6e54 RB |
919 | cp_r_info *info = ref; |
920 | struct stat from_st, to_st; | |
921 | bool exists = false; | |
922 | ||
923 | if ((info->flags & GIT_CPDIR_COPY_DOTFILES) == 0 && | |
924 | from->ptr[git_path_basename_offset(from)] == '.') | |
925 | return 0; | |
926 | ||
96869a4e RB |
927 | if ((error = git_buf_joinpath( |
928 | &info->to, info->to_root, from->ptr + info->from_prefix)) < 0) | |
25e0b157 | 929 | return error; |
ca1b6e54 | 930 | |
14997dc5 | 931 | if (!(error = git_path_lstat(info->to.ptr, &to_st))) |
ca1b6e54 | 932 | exists = true; |
14997dc5 | 933 | else if (error != GIT_ENOTFOUND) |
25e0b157 | 934 | return error; |
14997dc5 RB |
935 | else { |
936 | giterr_clear(); | |
937 | error = 0; | |
938 | } | |
ca1b6e54 | 939 | |
3c42e4ef | 940 | if ((error = git_path_lstat(from->ptr, &from_st)) < 0) |
25e0b157 | 941 | return error; |
ca1b6e54 RB |
942 | |
943 | if (S_ISDIR(from_st.st_mode)) { | |
ca1b6e54 RB |
944 | mode_t oldmode = info->dirmode; |
945 | ||
946 | /* if we are not chmod'ing, then overwrite dirmode */ | |
18f08264 | 947 | if ((info->flags & GIT_CPDIR_CHMOD_DIRS) == 0) |
ca1b6e54 RB |
948 | info->dirmode = from_st.st_mode; |
949 | ||
950 | /* make directory now if CREATE_EMPTY_DIRS is requested and needed */ | |
951 | if (!exists && (info->flags & GIT_CPDIR_CREATE_EMPTY_DIRS) != 0) | |
3c42e4ef | 952 | error = _cp_r_mkdir(info, from); |
ca1b6e54 RB |
953 | |
954 | /* recurse onto target directory */ | |
25e0b157 | 955 | if (!error && (!exists || S_ISDIR(to_st.st_mode))) |
219d3457 | 956 | error = git_path_direach(from, 0, _cp_r_callback, info); |
ca1b6e54 RB |
957 | |
958 | if (oldmode != 0) | |
959 | info->dirmode = oldmode; | |
960 | ||
25e0b157 | 961 | return error; |
ca1b6e54 RB |
962 | } |
963 | ||
964 | if (exists) { | |
965 | if ((info->flags & GIT_CPDIR_OVERWRITE) == 0) | |
966 | return 0; | |
967 | ||
968 | if (p_unlink(info->to.ptr) < 0) { | |
969 | giterr_set(GITERR_OS, "Cannot overwrite existing file '%s'", | |
970 | info->to.ptr); | |
25e0b157 | 971 | return GIT_EEXISTS; |
ca1b6e54 RB |
972 | } |
973 | } | |
974 | ||
975 | /* Done if this isn't a regular file or a symlink */ | |
976 | if (!S_ISREG(from_st.st_mode) && | |
977 | (!S_ISLNK(from_st.st_mode) || | |
978 | (info->flags & GIT_CPDIR_COPY_SYMLINKS) == 0)) | |
979 | return 0; | |
980 | ||
981 | /* Make container directory on demand if needed */ | |
982 | if ((info->flags & GIT_CPDIR_CREATE_EMPTY_DIRS) == 0 && | |
3c42e4ef | 983 | (error = _cp_r_mkdir(info, from)) < 0) |
25e0b157 | 984 | return error; |
ca1b6e54 RB |
985 | |
986 | /* make symlink or regular file */ | |
94f742ba | 987 | if (info->flags & GIT_CPDIR_LINK_FILES) { |
54738368 CMN |
988 | if ((error = p_link(from->ptr, info->to.ptr)) < 0) |
989 | giterr_set(GITERR_OS, "failed to link '%s'", from->ptr); | |
94f742ba | 990 | } else if (S_ISLNK(from_st.st_mode)) { |
3c42e4ef | 991 | error = cp_link(from->ptr, info->to.ptr, (size_t)from_st.st_size); |
94f742ba | 992 | } else { |
3c42e4ef RB |
993 | mode_t usemode = from_st.st_mode; |
994 | ||
18f08264 | 995 | if ((info->flags & GIT_CPDIR_SIMPLE_TO_MODE) != 0) |
f240acce | 996 | usemode = GIT_PERMS_FOR_WRITE(usemode); |
3c42e4ef RB |
997 | |
998 | error = git_futils_cp(from->ptr, info->to.ptr, usemode); | |
3c42e4ef RB |
999 | } |
1000 | ||
25e0b157 | 1001 | return error; |
ca1b6e54 RB |
1002 | } |
1003 | ||
1004 | int git_futils_cp_r( | |
1005 | const char *from, | |
1006 | const char *to, | |
1007 | uint32_t flags, | |
1008 | mode_t dirmode) | |
1009 | { | |
1010 | int error; | |
1011 | git_buf path = GIT_BUF_INIT; | |
1012 | cp_r_info info; | |
1013 | ||
3c42e4ef | 1014 | if (git_buf_joinpath(&path, from, "") < 0) /* ensure trailing slash */ |
ca1b6e54 RB |
1015 | return -1; |
1016 | ||
96869a4e | 1017 | memset(&info, 0, sizeof(info)); |
ca1b6e54 RB |
1018 | info.to_root = to; |
1019 | info.flags = flags; | |
1020 | info.dirmode = dirmode; | |
1021 | info.from_prefix = path.size; | |
1022 | git_buf_init(&info.to, 0); | |
1023 | ||
1024 | /* precalculate mkdir flags */ | |
1025 | if ((flags & GIT_CPDIR_CREATE_EMPTY_DIRS) == 0) { | |
3c42e4ef RB |
1026 | /* if not creating empty dirs, then use mkdir to create the path on |
1027 | * demand right before files are copied. | |
1028 | */ | |
ca1b6e54 | 1029 | info.mkdir_flags = GIT_MKDIR_PATH | GIT_MKDIR_SKIP_LAST; |
18f08264 | 1030 | if ((flags & GIT_CPDIR_CHMOD_DIRS) != 0) |
ca1b6e54 RB |
1031 | info.mkdir_flags |= GIT_MKDIR_CHMOD_PATH; |
1032 | } else { | |
3c42e4ef | 1033 | /* otherwise, we will do simple mkdir as directories are encountered */ |
ca1b6e54 | 1034 | info.mkdir_flags = |
18f08264 | 1035 | ((flags & GIT_CPDIR_CHMOD_DIRS) != 0) ? GIT_MKDIR_CHMOD : 0; |
ca1b6e54 RB |
1036 | } |
1037 | ||
1038 | error = _cp_r_callback(&info, &path); | |
1039 | ||
1040 | git_buf_free(&path); | |
07c06f7a | 1041 | git_buf_free(&info.to); |
ca1b6e54 RB |
1042 | |
1043 | return error; | |
1044 | } | |
744cc03e | 1045 | |
c1f61af6 VM |
1046 | int git_futils_filestamp_check( |
1047 | git_futils_filestamp *stamp, const char *path) | |
744cc03e RB |
1048 | { |
1049 | struct stat st; | |
1050 | ||
c8b511f3 RB |
1051 | /* if the stamp is NULL, then always reload */ |
1052 | if (stamp == NULL) | |
744cc03e RB |
1053 | return 1; |
1054 | ||
7d490872 | 1055 | if (p_stat(path, &st) < 0) |
744cc03e RB |
1056 | return GIT_ENOTFOUND; |
1057 | ||
3d6a42d1 | 1058 | if (stamp->mtime.tv_sec == st.st_mtime && |
0226f7dd | 1059 | #if defined(GIT_USE_NSEC) |
3d6a42d1 | 1060 | stamp->mtime.tv_nsec == st.st_mtime_nsec && |
0226f7dd | 1061 | #endif |
c8b511f3 RB |
1062 | stamp->size == (git_off_t)st.st_size && |
1063 | stamp->ino == (unsigned int)st.st_ino) | |
744cc03e RB |
1064 | return 0; |
1065 | ||
3d6a42d1 | 1066 | stamp->mtime.tv_sec = st.st_mtime; |
0226f7dd | 1067 | #if defined(GIT_USE_NSEC) |
3d6a42d1 | 1068 | stamp->mtime.tv_nsec = st.st_mtime_nsec; |
0226f7dd | 1069 | #endif |
c8b511f3 RB |
1070 | stamp->size = (git_off_t)st.st_size; |
1071 | stamp->ino = (unsigned int)st.st_ino; | |
744cc03e RB |
1072 | |
1073 | return 1; | |
1074 | } | |
1075 | ||
c1f61af6 VM |
1076 | void git_futils_filestamp_set( |
1077 | git_futils_filestamp *target, const git_futils_filestamp *source) | |
c8b511f3 RB |
1078 | { |
1079 | assert(target); | |
1080 | ||
1081 | if (source) | |
1082 | memcpy(target, source, sizeof(*target)); | |
1083 | else | |
1084 | memset(target, 0, sizeof(*target)); | |
1085 | } | |
823c0e9c RB |
1086 | |
1087 | ||
1088 | void git_futils_filestamp_set_from_stat( | |
1089 | git_futils_filestamp *stamp, struct stat *st) | |
1090 | { | |
1091 | if (st) { | |
3d6a42d1 ET |
1092 | stamp->mtime.tv_sec = st->st_mtime; |
1093 | #if defined(GIT_USE_NSEC) | |
1094 | stamp->mtime.tv_nsec = st->st_mtime_nsec; | |
1095 | #else | |
973a09a4 AR |
1096 | stamp->mtime.tv_nsec = 0; |
1097 | #endif | |
823c0e9c RB |
1098 | stamp->size = (git_off_t)st->st_size; |
1099 | stamp->ino = (unsigned int)st->st_ino; | |
1100 | } else { | |
1101 | memset(stamp, 0, sizeof(*stamp)); | |
1102 | } | |
1103 | } |