-#define FILENAME_ESCAPE "/.#\"\'"
-
-int import_find_old_etags(const char *url, const char *image_root, int dt, const char *prefix, const char *suffix, char ***etags) {
- _cleanup_free_ char *escaped_url = NULL;
- _cleanup_closedir_ DIR *d = NULL;
- _cleanup_strv_free_ char **l = NULL;
- struct dirent *de;
- int r;
-
- assert(url);
- assert(etags);
-
- if (!image_root)
- image_root = "/var/lib/machines";
-
- escaped_url = xescape(url, FILENAME_ESCAPE);
- if (!escaped_url)
- return -ENOMEM;
-
- d = opendir(image_root);
- if (!d) {
- if (errno == ENOENT) {
- *etags = NULL;
- return 0;
- }
-
- return -errno;
- }
-
- FOREACH_DIRENT_ALL(de, d, return -errno) {
- const char *a, *b;
- char *u;
-
- if (de->d_type != DT_UNKNOWN &&
- de->d_type != dt)
- continue;
-
- if (prefix) {
- a = startswith(de->d_name, prefix);
- if (!a)
- continue;
- } else
- a = de->d_name;
-
- a = startswith(a, escaped_url);
- if (!a)
- continue;
-
- a = startswith(a, ".");
- if (!a)
- continue;
-
- if (suffix) {
- b = endswith(de->d_name, suffix);
- if (!b)
- continue;
- } else
- b = strchr(de->d_name, 0);
-
- if (a >= b)
- continue;
-
- u = cunescape_length(a, b - a);
- if (!u)
- return -ENOMEM;
-
- if (!http_etag_is_valid(u)) {
- free(u);
- continue;
- }
-
- r = strv_consume(&l, u);
- if (r < 0)
- return r;
- }
-
- *etags = l;
- l = NULL;
-
- return 0;
-}
-
-int import_make_local_copy(const char *final, const char *image_root, const char *local, bool force_local) {
- const char *p;
- int r;
-
- assert(final);
- assert(local);
-
- if (!image_root)
- image_root = "/var/lib/machines";
-
- p = strappenda(image_root, "/", local);
-
- if (force_local) {
- (void) btrfs_subvol_remove(p);
- (void) rm_rf_dangerous(p, false, true, false);
- }
-
- r = btrfs_subvol_snapshot(final, p, false, false);
- if (r == -ENOTTY) {
- r = copy_tree(final, p, false);
- if (r < 0)
- return log_error_errno(r, "Failed to copy image: %m");
- } else if (r < 0)
- return log_error_errno(r, "Failed to create local image: %m");
-
- log_info("Created new local image '%s'.", local);
-
- return 0;
-}
-