5 static void create_directories(const char *path, struct checkout *state)
7 int len = strlen(path);
8 char *buf = xmalloc(len + 1);
9 const char *slash = path;
11 while ((slash = strchr(slash+1, '/')) != NULL) {
13 memcpy(buf, path, len);
15 if (mkdir(buf, 0777)) {
16 if (errno == EEXIST) {
18 if (len > state->base_dir_len && state->force && !unlink(buf) && !mkdir(buf, 0777))
20 if (!stat(buf, &st) && S_ISDIR(st.st_mode))
23 die("cannot create directory at %s", buf);
29 static void remove_subtree(const char *path)
31 DIR *dir = opendir(path);
33 char pathbuf[PATH_MAX];
37 die("cannot opendir %s", path);
38 strcpy(pathbuf, path);
39 name = pathbuf + strlen(path);
41 while ((de = readdir(dir)) != NULL) {
43 if ((de->d_name[0] == '.') &&
44 ((de->d_name[1] == 0) ||
45 ((de->d_name[1] == '.') && de->d_name[2] == 0)))
47 strcpy(name, de->d_name);
48 if (lstat(pathbuf, &st))
49 die("cannot lstat %s", pathbuf);
50 if (S_ISDIR(st.st_mode))
51 remove_subtree(pathbuf);
52 else if (unlink(pathbuf))
53 die("cannot unlink %s", pathbuf);
57 die("cannot rmdir %s", path);
60 static int create_file(const char *path, unsigned int mode)
62 mode = (mode & 0100) ? 0777 : 0666;
63 return open(path, O_WRONLY | O_CREAT | O_EXCL, mode);
66 static int write_entry(struct cache_entry *ce, const char *path, struct checkout *state)
75 new = read_sha1_file(ce->sha1, type, &size);
76 if (!new || strcmp(type, "blob")) {
79 return error("git-checkout-index: unable to read sha1 file of %s (%s)",
80 path, sha1_to_hex(ce->sha1));
82 switch (ntohl(ce->ce_mode) & S_IFMT) {
84 fd = create_file(path, ntohl(ce->ce_mode));
87 return error("git-checkout-index: unable to create file %s (%s)",
88 path, strerror(errno));
90 wrote = write(fd, new, size);
94 return error("git-checkout-index: unable to write file %s", path);
97 memcpy(target, new, size);
99 if (symlink(target, path)) {
101 return error("git-checkout-index: unable to create symlink %s (%s)",
102 path, strerror(errno));
108 return error("git-checkout-index: unknown file mode for %s", path);
111 if (state->refresh_cache) {
113 lstat(ce->name, &st);
114 fill_stat_cache_info(ce, &st);
119 int checkout_entry(struct cache_entry *ce, struct checkout *state)
122 static char path[MAXPATHLEN+1];
123 int len = state->base_dir_len;
125 memcpy(path, state->base_dir, len);
126 strcpy(path + len, ce->name);
128 if (!lstat(path, &st)) {
129 unsigned changed = ce_match_stat(ce, &st);
134 fprintf(stderr, "git-checkout-index: %s already exists\n", path);
139 * We unlink the old file, to get the new one with the
140 * right permissions (including umask, which is nasty
141 * to emulate by hand - much easier to let the system
142 * just do the right thing)
145 if (S_ISDIR(st.st_mode)) {
147 return error("%s is a directory", path);
148 remove_subtree(path);
150 } else if (state->not_new)
152 create_directories(path, state);
153 return write_entry(ce, path, state);