Exemplo n.º 1
0
gboolean
ostree_builtin_summary (int argc, char **argv, GCancellable *cancellable, GError **error)
{
  gboolean ret = FALSE;
  GOptionContext *context;
  gs_unref_object OstreeRepo *repo = NULL;

  context = g_option_context_new ("Manage summary metadata");

  if (!ostree_option_context_parse (context, options, &argc, &argv, OSTREE_BUILTIN_FLAG_NONE, &repo, cancellable, error))
    goto out;

  if (opt_update)
    {
      if (!ostree_ensure_repo_writable (repo, error))
        goto out;

      if (!ostree_repo_regenerate_summary (repo, NULL, cancellable, error))
        goto out;
    }
  else
    {
      g_set_error (error, G_IO_ERROR, G_IO_ERROR_FAILED,
                   "No option specified; use -u to update summary");
      goto out;
    }

  ret = TRUE;
 out:
  if (context)
    g_option_context_free (context);
  return ret;
}
gboolean
xdg_app_builtin_repo_update (int argc, char **argv, GCancellable *cancellable, GError **error)
{
  g_autoptr(GOptionContext) context = NULL;
  g_autoptr(GFile) repofile = NULL;
  g_autoptr(OstreeRepo) repo = NULL;
  const char *location;
  GVariant *extra = NULL;

  context = g_option_context_new ("LOCATION - Update repository metadata");

  if (!xdg_app_option_context_parse (context, options, &argc, &argv, XDG_APP_BUILTIN_FLAG_NO_DIR, NULL, cancellable, error))
    return FALSE;

  if (argc < 2)
    return usage_error (context, "LOCATION must be specified", error);

  location = argv[1];

  repofile = g_file_new_for_commandline_arg (location);
  repo = ostree_repo_new (repofile);

  if (!ostree_repo_open (repo, cancellable, error))
    return FALSE;

  if (opt_title)
    {
      GVariantBuilder builder;

      g_variant_builder_init (&builder, G_VARIANT_TYPE_VARDICT);
      g_variant_builder_add (&builder, "{sv}", "xa.title", g_variant_new_string (opt_title));
      extra = g_variant_builder_end (&builder);
    }

  if (!ostree_repo_regenerate_summary (repo, extra, cancellable, error))
    return FALSE;

  /* TODO: appstream data */

  return TRUE;
}
Exemplo n.º 3
0
gboolean
ostree_builtin_commit (int argc, char **argv, GCancellable *cancellable, GError **error)
{
  GOptionContext *context;
  glnx_unref_object OstreeRepo *repo = NULL;
  gboolean ret = FALSE;
  gboolean skip_commit = FALSE;
  g_autoptr(GFile) object_to_commit = NULL;
  g_autofree char *parent = NULL;
  g_autofree char *commit_checksum = NULL;
  g_autoptr(GFile) root = NULL;
  g_autoptr(GVariant) metadata = NULL;
  g_autoptr(GVariant) detached_metadata = NULL;
  glnx_unref_object OstreeMutableTree *mtree = NULL;
  g_autofree char *tree_type = NULL;
  g_autoptr(GHashTable) mode_adds = NULL;
  OstreeRepoCommitModifierFlags flags = 0;
  OstreeRepoCommitModifier *modifier = NULL;
  OstreeRepoTransactionStats stats;

  context = g_option_context_new ("[PATH] - Commit a new revision");

  if (!ostree_option_context_parse (context, options, &argc, &argv, OSTREE_BUILTIN_FLAG_NONE, &repo, cancellable, error))
    goto out;

  if (!ostree_ensure_repo_writable (repo, error))
    goto out;

  if (opt_statoverride_file)
    {
      if (!parse_statoverride_file (&mode_adds, cancellable, error))
        goto out;
    }

  if (opt_metadata_strings)
    {
      if (!parse_keyvalue_strings (opt_metadata_strings,
                                   &metadata, error))
        goto out;
    }
  if (opt_detached_metadata_strings)
    {
      if (!parse_keyvalue_strings (opt_detached_metadata_strings,
                                   &detached_metadata, error))
        goto out;
    }
      
  if (!opt_branch)
    {
      g_set_error_literal (error, G_IO_ERROR, G_IO_ERROR_FAILED,
                           "A branch must be specified with --branch");
      goto out;
    }

  if (opt_no_xattrs)
    flags |= OSTREE_REPO_COMMIT_MODIFIER_FLAGS_SKIP_XATTRS;
  if (opt_generate_sizes)
    flags |= OSTREE_REPO_COMMIT_MODIFIER_FLAGS_GENERATE_SIZES;
  if (opt_disable_fsync)
    ostree_repo_set_disable_fsync (repo, TRUE);

  if (flags != 0
      || opt_owner_uid >= 0
      || opt_owner_gid >= 0
      || opt_statoverride_file != NULL
      || opt_no_xattrs)
    {
      modifier = ostree_repo_commit_modifier_new (flags, commit_filter, mode_adds, NULL);
    }

  if (!ostree_repo_resolve_rev (repo, opt_branch, TRUE, &parent, error))
    goto out;

  if (!opt_subject && !opt_body)
    {
      if (!commit_editor (repo, opt_branch, &opt_subject, &opt_body, cancellable, error))
        goto out;
    }

  if (!opt_subject)
    {
      g_set_error_literal (error, G_IO_ERROR, G_IO_ERROR_FAILED,
                           "A subject must be specified with --subject");
      goto out;
    }

  if (!ostree_repo_prepare_transaction (repo, NULL, cancellable, error))
    goto out;

  if (opt_link_checkout_speedup && !ostree_repo_scan_hardlinks (repo, cancellable, error))
    goto out;

  mtree = ostree_mutable_tree_new ();

  if (argc <= 1 && (opt_trees == NULL || opt_trees[0] == NULL))
    {
      char *current_dir = g_get_current_dir ();
      object_to_commit = g_file_new_for_path (current_dir);
      g_free (current_dir);

      if (!ostree_repo_write_directory_to_mtree (repo, object_to_commit, mtree, modifier,
                                                 cancellable, error))
        goto out;
    }
  else if (opt_trees != NULL)
    {
      const char *const*tree_iter;
      const char *tree;
      const char *eq;

      for (tree_iter = (const char *const*)opt_trees; *tree_iter; tree_iter++)
        {
          tree = *tree_iter;

          eq = strchr (tree, '=');
          if (!eq)
            {
              g_set_error (error, G_IO_ERROR, G_IO_ERROR_FAILED,
                           "Missing type in tree specification '%s'", tree);
              goto out;
            }
          g_free (tree_type);
          tree_type = g_strndup (tree, eq - tree);
          tree = eq + 1;

          g_clear_object (&object_to_commit);
          if (strcmp (tree_type, "dir") == 0)
            {
              object_to_commit = g_file_new_for_path (tree);
              if (!ostree_repo_write_directory_to_mtree (repo, object_to_commit, mtree, modifier,
                                                         cancellable, error))
                goto out;
            }
          else if (strcmp (tree_type, "tar") == 0)
            {
              object_to_commit = g_file_new_for_path (tree);
              if (!ostree_repo_write_archive_to_mtree (repo, object_to_commit, mtree, modifier,
                                                       opt_tar_autocreate_parents,
                                                       cancellable, error))
                goto out;
            }
          else if (strcmp (tree_type, "ref") == 0)
            {
              if (!ostree_repo_read_commit (repo, tree, &object_to_commit, NULL, cancellable, error))
                goto out;

              if (!ostree_repo_write_directory_to_mtree (repo, object_to_commit, mtree, modifier,
                                                         cancellable, error))
                goto out;
            }
          else
            {
              g_set_error (error, G_IO_ERROR, G_IO_ERROR_FAILED,
                           "Invalid tree type specification '%s'", tree_type);
              goto out;
            }
        }
    }
  else
    {
      g_assert (argc > 1);
      object_to_commit = g_file_new_for_path (argv[1]);
      if (!ostree_repo_write_directory_to_mtree (repo, object_to_commit, mtree, modifier,
                                                 cancellable, error))
        goto out;
    }

  if (mode_adds && g_hash_table_size (mode_adds) > 0)
    {
      GHashTableIter hash_iter;
      gpointer key, value;

      g_hash_table_iter_init (&hash_iter, mode_adds);

      while (g_hash_table_iter_next (&hash_iter, &key, &value))
        {
          g_printerr ("Unmatched statoverride path: %s\n", (char*)key);
        }
      g_set_error (error, G_IO_ERROR, G_IO_ERROR_FAILED,
                   "Unmatched statoverride paths");
      goto out;
    }

  if (!ostree_repo_write_mtree (repo, mtree, &root, cancellable, error))
    goto out;

  if (opt_skip_if_unchanged && parent)
    {
      g_autoptr(GFile) parent_root;

      if (!ostree_repo_read_commit (repo, parent, &parent_root, NULL, cancellable, error))
        goto out;

      if (g_file_equal (root, parent_root))
        skip_commit = TRUE;
    }

  if (!skip_commit)
    {
      gboolean update_summary;
      if (!ostree_repo_write_commit (repo, parent, opt_subject, opt_body, metadata,
                                     OSTREE_REPO_FILE (root),
                                     &commit_checksum, cancellable, error))
        goto out;

      if (detached_metadata)
        {
          if (!ostree_repo_write_commit_detached_metadata (repo, commit_checksum,
                                                           detached_metadata,
                                                           cancellable, error))
            goto out;
        }

      if (opt_key_ids)
        {
          char **iter;

          for (iter = opt_key_ids; iter && *iter; iter++)
            {
              const char *keyid = *iter;

              if (!ostree_repo_sign_commit (repo,
                                            commit_checksum,
                                            keyid,
                                            opt_gpg_homedir,
                                            cancellable,
                                            error))
                goto out;
            }
        }

      ostree_repo_transaction_set_ref (repo, NULL, opt_branch, commit_checksum);

      if (!ostree_repo_commit_transaction (repo, &stats, cancellable, error))
        goto out;

      /* The default for this option is FALSE, even for archive-z2 repos,
       * because ostree supports multiple processes committing to the same
       * repo (but different refs) concurrently, and in fact gnome-continuous
       * actually does this.  In that context it's best to update the summary
       * explicitly instead of automatically here. */
      if (!ot_keyfile_get_boolean_with_default (ostree_repo_get_config (repo), "core",
                                                "commit-update-summary", FALSE,
                                                &update_summary, error))
        goto out;

      if (update_summary && !ostree_repo_regenerate_summary (repo,
                                                             NULL,
                                                             cancellable,
                                                             error))
        goto out;
    }
  else
    {
      commit_checksum = g_strdup (parent);
    }

  if (opt_table_output)
    {
      g_print ("Commit: %s\n", commit_checksum);
      g_print ("Metadata Total: %u\n", stats.metadata_objects_total);
      g_print ("Metadata Written: %u\n", stats.metadata_objects_written);
      g_print ("Content Total: %u\n", stats.content_objects_total);
      g_print ("Content Written: %u\n", stats.content_objects_written);
      g_print ("Content Bytes Written: %" G_GUINT64_FORMAT "\n", stats.content_bytes_written);
    }
  else
    {
      g_print ("%s\n", commit_checksum);
    }

  ret = TRUE;
 out:
  if (repo)
    ostree_repo_abort_transaction (repo, cancellable, NULL);
  if (context)
    g_option_context_free (context);
  if (modifier)
    ostree_repo_commit_modifier_unref (modifier);
  return ret;
}
Exemplo n.º 4
0
/* TODO: Add a man page. */
gboolean
ostree_builtin_create_usb (int            argc,
                           char         **argv,
                           OstreeCommandInvocation *invocation,
                           GCancellable  *cancellable,
                           GError       **error)
{
  g_autoptr(GOptionContext) context = NULL;
  g_autoptr(OstreeAsyncProgress) progress = NULL;
  g_auto(GLnxConsoleRef) console = { 0, };

  context = g_option_context_new ("MOUNT-PATH COLLECTION-ID REF [COLLECTION-ID REF...]");

  /* Parse options. */
  g_autoptr(OstreeRepo) src_repo = NULL;

  if (!ostree_option_context_parse (context, options, &argc, &argv, invocation, &src_repo, cancellable, error))
    return FALSE;

  if (argc < 2)
    {
      ot_util_usage_error (context, "A MOUNT-PATH must be specified", error);
      return FALSE;
    }

  if (argc < 4)
    {
      ot_util_usage_error (context, "At least one COLLECTION-ID REF pair must be specified", error);
      return FALSE;
    }

  if (argc % 2 == 1)
    {
      ot_util_usage_error (context, "Only complete COLLECTION-ID REF pairs may be specified", error);
      return FALSE;
    }

  /* Open the USB stick, which must exist. Allow automounting and following symlinks. */
  const char *mount_root_path = argv[1];
  struct stat mount_root_stbuf;

  glnx_autofd int mount_root_dfd = -1;
  if (!glnx_opendirat (AT_FDCWD, mount_root_path, TRUE, &mount_root_dfd, error))
    return FALSE;
  if (!glnx_fstat (mount_root_dfd, &mount_root_stbuf, error))
    return FALSE;

  /* Read in the refs to add to the USB stick. */
  g_autoptr(GPtrArray) refs = g_ptr_array_new_full (argc, (GDestroyNotify) ostree_collection_ref_free);

  for (gsize i = 2; i < argc; i += 2)
    {
      if (!ostree_validate_collection_id (argv[i], error) ||
          !ostree_validate_rev (argv[i + 1], error))
        return FALSE;

      g_ptr_array_add (refs, ostree_collection_ref_new (argv[i], argv[i + 1]));
    }

  /* Open the destination repository on the USB stick or create it if it doesn’t exist.
   * Check it’s below @mount_root_path, and that it’s not the same as the source
   * repository.
   *
   * If the destination file system supports xattrs (for example, ext4), we use
   * a BARE_USER repository; if it doesn’t (for example, FAT), we use ARCHIVE.
   * In either case, we want a lossless repository. */
  const char *dest_repo_path = (opt_destination_repo != NULL) ? opt_destination_repo : ".ostree/repo";

  if (!glnx_shutil_mkdir_p_at (mount_root_dfd, dest_repo_path, 0755, cancellable, error))
    return FALSE;

  OstreeRepoMode mode = OSTREE_REPO_MODE_BARE_USER;

  if (TEMP_FAILURE_RETRY (fgetxattr (mount_root_dfd, "user.test", NULL, 0)) < 0 &&
      (errno == ENOTSUP || errno == EOPNOTSUPP))
    mode = OSTREE_REPO_MODE_ARCHIVE;

  g_debug ("%s: Creating repository in mode %u", G_STRFUNC, mode);

  g_autoptr(OstreeRepo) dest_repo = ostree_repo_create_at (mount_root_dfd, dest_repo_path,
                                                           mode, NULL, cancellable, error);

  if (dest_repo == NULL)
    return FALSE;

  struct stat dest_repo_stbuf;

  if (!glnx_fstat (ostree_repo_get_dfd (dest_repo), &dest_repo_stbuf, error))
    return FALSE;

  if (dest_repo_stbuf.st_dev != mount_root_stbuf.st_dev)
    {
      ot_util_usage_error (context, "--destination-repo must be a descendent of MOUNT-PATH", error);
      return FALSE;
    }

  if (ostree_repo_equal (src_repo, dest_repo))
    {
      ot_util_usage_error (context, "--destination-repo must not be the source repository", error);
      return FALSE;
    }

  if (!ostree_ensure_repo_writable (dest_repo, error))
    return FALSE;

  if (opt_disable_fsync)
    ostree_repo_set_disable_fsync (dest_repo, TRUE);

  /* Copy across all of the collection–refs to the destination repo. */
  GVariantBuilder refs_builder;
  g_variant_builder_init (&refs_builder, G_VARIANT_TYPE ("a(sss)"));

  for (gsize i = 0; i < refs->len; i++)
    {
      const OstreeCollectionRef *ref = g_ptr_array_index (refs, i);

      g_variant_builder_add (&refs_builder, "(sss)",
                             ref->collection_id, ref->ref_name, "");
    }

  {
    GVariantBuilder builder;
    g_autoptr(GVariant) opts = NULL;
    OstreeRepoPullFlags flags = OSTREE_REPO_PULL_FLAGS_MIRROR;

    glnx_console_lock (&console);

    if (console.is_tty)
      progress = ostree_async_progress_new_and_connect (ostree_repo_pull_default_console_progress_changed, &console);

    g_variant_builder_init (&builder, G_VARIANT_TYPE ("a{sv}"));

    g_variant_builder_add (&builder, "{s@v}", "collection-refs",
                           g_variant_new_variant (g_variant_builder_end (&refs_builder)));
    g_variant_builder_add (&builder, "{s@v}", "flags",
                           g_variant_new_variant (g_variant_new_int32 (flags)));
    g_variant_builder_add (&builder, "{s@v}", "depth",
                           g_variant_new_variant (g_variant_new_int32 (0)));
    opts = g_variant_ref_sink (g_variant_builder_end (&builder));

    g_autofree char *src_repo_uri = g_file_get_uri (ostree_repo_get_path (src_repo));

    if (!ostree_repo_pull_with_options (dest_repo, src_repo_uri,
                                        opts,
                                        progress,
                                        cancellable, error))
      {
        ostree_repo_abort_transaction (dest_repo, cancellable, NULL);
        return FALSE;
      }

    if (progress != NULL)
      ostree_async_progress_finish (progress);
  }

  /* Ensure a summary file is present to make it easier to look up commit checksums. */
  /* FIXME: It should be possible to work without this, but find_remotes_cb() in
   * ostree-repo-pull.c currently assumes a summary file (signed or unsigned) is
   * present. */
  struct stat stbuf;
  if (!glnx_fstatat_allow_noent (ostree_repo_get_dfd (dest_repo), "summary", &stbuf, 0, error))
    return FALSE;
  if (errno == ENOENT &&
      !ostree_repo_regenerate_summary (dest_repo, NULL, cancellable, error))
    return FALSE;

  /* Add the symlinks .ostree/repos.d/@symlink_name → @dest_repo_path, unless
   * the @dest_repo_path is a well-known one like ostree/repo, in which case no
   * symlink is necessary; #OstreeRepoFinderMount always looks there. */
  if (!g_str_equal (dest_repo_path, "ostree/repo") &&
      !g_str_equal (dest_repo_path, ".ostree/repo"))
    {
      if (!glnx_shutil_mkdir_p_at (mount_root_dfd, ".ostree/repos.d", 0755, cancellable, error))
        return FALSE;

      /* Find a unique name for the symlink. If a symlink already targets
       * @dest_repo_path, use that and don’t create a new one. */
      GLnxDirFdIterator repos_iter;
      gboolean need_symlink = TRUE;

      if (!glnx_dirfd_iterator_init_at (mount_root_dfd, ".ostree/repos.d", TRUE, &repos_iter, error))
        return FALSE;

      while (TRUE)
        {
          struct dirent *repo_dent;

          if (!glnx_dirfd_iterator_next_dent (&repos_iter, &repo_dent, cancellable, error))
            return FALSE;

          if (repo_dent == NULL)
            break;

          /* Does the symlink already point to this repository? (Or is the
           * repository itself present in repos.d?) We already guarantee that
           * they’re on the same device. */
          if (repo_dent->d_ino == dest_repo_stbuf.st_ino)
            {
              need_symlink = FALSE;
              break;
            }
        }

      /* If we need a symlink, find a unique name for it and create it. */
      if (need_symlink)
        {
          /* Relative to .ostree/repos.d. */
          g_autofree char *relative_dest_repo_path = g_build_filename ("..", "..", dest_repo_path, NULL);
          guint i;
          const guint max_attempts = 100;

          for (i = 0; i < max_attempts; i++)
            {
              g_autofree char *symlink_path = g_strdup_printf (".ostree/repos.d/%02u-generated", i);

              int ret = TEMP_FAILURE_RETRY (symlinkat (relative_dest_repo_path, mount_root_dfd, symlink_path));
              if (ret < 0 && errno != EEXIST)
                return glnx_throw_errno_prefix (error, "symlinkat(%s → %s)", symlink_path, relative_dest_repo_path);
              else if (ret >= 0)
                break;
            }

          if (i == max_attempts)
            return glnx_throw (error, "Could not find an unused symlink name for the repository");
        }
    }

  /* Report success to the user. */
  g_autofree char *src_repo_path = g_file_get_path (ostree_repo_get_path (src_repo));

  g_print ("Copied %u/%u refs successfully from ‘%s’ to ‘%s’ repository in ‘%s’.\n", refs->len, refs->len,
           src_repo_path, dest_repo_path, mount_root_path);

  return TRUE;
}