case S_IFLNK:
new = read_blob_entry(ce, &size);
if (!new)
- return error("git checkout-index: unable to read sha1 file of %s (%s)",
+ return error("unable to read sha1 file of %s (%s)",
path, sha1_to_hex(ce->sha1));
if (ce_mode_s_ifmt == S_IFLNK && has_symlinks && !to_tempfile) {
ret = symlink(new, path);
free(new);
if (ret)
- return error("git checkout-index: unable to create symlink %s (%s)",
+ return error("unable to create symlink %s (%s)",
path, strerror(errno));
break;
}
}
if (fd < 0) {
free(new);
- return error("git checkout-index: unable to create file %s (%s)",
+ return error("unable to create file %s (%s)",
path, strerror(errno));
}
close(fd);
free(new);
if (wrote != size)
- return error("git checkout-index: unable to write file %s", path);
+ return error("unable to write file %s", path);
break;
case S_IFGITLINK:
if (to_tempfile)
- return error("git checkout-index: cannot create temporary subproject %s", path);
+ return error("cannot create temporary subproject %s", path);
if (mkdir(path, 0777) < 0)
- return error("git checkout-index: cannot create subproject directory %s", path);
+ return error("cannot create subproject directory %s", path);
break;
default:
- return error("git checkout-index: unknown file mode for %s", path);
+ return error("unknown file mode for %s in index", path);
}
if (state->refresh_cache) {
return 0;
}
+/*
+ * This is like 'lstat()', except it refuses to follow symlinks
+ * in the path, after skipping "skiplen".
+ */
+static int check_path(const char *path, int len, struct stat *st, int skiplen)
+{
+ const char *slash = path + len;
+
+ while (path < slash && *slash != '/')
+ slash--;
+ if (!has_dirs_only_path(path, slash - path, skiplen)) {
+ errno = ENOENT;
+ return -1;
+ }
+ return lstat(path, st);
+}
+
int checkout_entry(struct cache_entry *ce, const struct checkout *state, char *topath)
{
static char path[PATH_MAX + 1];
strcpy(path + len, ce->name);
len += ce_namelen(ce);
- if (!lstat(path, &st)) {
- unsigned changed = ce_match_stat(ce, &st, CE_MATCH_IGNORE_VALID);
+ if (!check_path(path, len, &st, state->base_dir_len)) {
+ unsigned changed = ce_match_stat(ce, &st, CE_MATCH_IGNORE_VALID|CE_MATCH_IGNORE_SKIP_WORKTREE);
if (!changed)
return 0;
if (!state->force) {
if (!state->quiet)
- fprintf(stderr, "git-checkout-index: %s already exists\n", path);
+ fprintf(stderr, "%s already exists, no checkout\n", path);
return -1;
}