[ostree] libostree: Check out directories depth-first in serial, switch to sync API



commit caf6be331b1d5970afd11bfd7b7520dc6a62a0d7
Author: Colin Walters <walters verbum org>
Date:   Tue Aug 20 19:10:09 2013 -0400

    libostree: Check out directories depth-first in serial, switch to sync API
    
    The way we recurse into subdirectories in parallel makes it far too
    easy to hit up against the arbitrary Linux fd limit of 1024.
    
    Since the fix here is about dropping parallelism, let's just go all
    the way for now and make a plain old synchronous API =(
    
    This does simplify both internal callers which wanted a sync API
    anyways.
    
    https://bugzilla.gnome.org/show_bug.cgi?id=706380

 doc/ostree-sections.txt              |    3 +-
 src/libostree/ostree-repo-checkout.c |  482 +++++++---------------------------
 src/libostree/ostree-repo.h          |   22 +-
 src/ostree/ot-admin-deploy.c         |   43 +---
 src/ostree/ot-builtin-checkout.c     |   52 +----
 5 files changed, 107 insertions(+), 495 deletions(-)
---
diff --git a/doc/ostree-sections.txt b/doc/ostree-sections.txt
index af360d5..e2686fb 100644
--- a/doc/ostree-sections.txt
+++ b/doc/ostree-sections.txt
@@ -109,8 +109,7 @@ ostree_repo_stage_mtree
 ostree_repo_stage_commit
 OstreeRepoCheckoutMode
 OstreeRepoCheckoutOverwriteMode
-ostree_repo_checkout_tree_async
-ostree_repo_checkout_tree_finish
+ostree_repo_checkout_tree
 ostree_repo_checkout_gc
 ostree_repo_read_commit
 OstreeRepoListObjectsFlags
diff --git a/src/libostree/ostree-repo-checkout.c b/src/libostree/ostree-repo-checkout.c
index f9187ff..5a7f446 100644
--- a/src/libostree/ostree-repo-checkout.c
+++ b/src/libostree/ostree-repo-checkout.c
@@ -236,69 +236,39 @@ find_loose_for_checkout (OstreeRepo             *self,
   return ret;
 }
 
-typedef struct {
-  OstreeRepo               *repo;
-  OstreeRepoCheckoutMode    mode;
-  OstreeRepoCheckoutOverwriteMode    overwrite_mode;
-  GFile                    *destination;
-  int                       dirfd;
-  OstreeRepoFile           *source;
-  GFileInfo                *source_info;
-  GCancellable             *cancellable;
-
-  gboolean                  caught_error;
-  GError                   *error;
-
-  GSimpleAsyncResult       *result;
-} CheckoutOneFileAsyncData;
-
-static void
-checkout_file_async_data_free (gpointer      data)
-{
-  CheckoutOneFileAsyncData *checkout_data = data;
-
-  g_clear_object (&checkout_data->repo);
-  g_clear_object (&checkout_data->destination);
-  g_clear_object (&checkout_data->source);
-  g_clear_object (&checkout_data->source_info);
-  g_clear_object (&checkout_data->cancellable);
-  g_free (checkout_data);
-}
-
-static void
-checkout_file_thread (GSimpleAsyncResult     *result,
-                      GObject                *src,
-                      GCancellable           *cancellable)
+static gboolean
+checkout_one_file (OstreeRepo                        *repo,
+                   GFile                             *source,
+                   GFileInfo                         *source_info,
+                   GFile                             *destination,
+                   OstreeRepoCheckoutMode             mode,
+                   OstreeRepoCheckoutOverwriteMode    overwrite_mode,
+                   GCancellable                      *cancellable,
+                   GError                           **error)
 {
+  gboolean ret = FALSE;
   const char *checksum;
-  OstreeRepo *repo;
   gboolean is_symlink;
   gboolean hardlink_supported;
-  GError *local_error = NULL;
-  GError **error = &local_error;
   gs_unref_object GFile *loose_path = NULL;
   gs_unref_object GInputStream *input = NULL;
   gs_unref_variant GVariant *xattrs = NULL;
-  CheckoutOneFileAsyncData *checkout_data;
-
-  checkout_data = g_simple_async_result_get_op_res_gpointer (result);
-  repo = checkout_data->repo;
 
   /* Hack to avoid trying to create device files as a user */
-  if (checkout_data->mode == OSTREE_REPO_CHECKOUT_MODE_USER
-      && g_file_info_get_file_type (checkout_data->source_info) == G_FILE_TYPE_SPECIAL)
+  if (mode == OSTREE_REPO_CHECKOUT_MODE_USER
+      && g_file_info_get_file_type (source_info) == G_FILE_TYPE_SPECIAL)
     goto out;
 
-  is_symlink = g_file_info_get_file_type (checkout_data->source_info) == G_FILE_TYPE_SYMBOLIC_LINK;
+  is_symlink = g_file_info_get_file_type (source_info) == G_FILE_TYPE_SYMBOLIC_LINK;
 
-  checksum = ostree_repo_file_get_checksum ((OstreeRepoFile*)checkout_data->source);
+  checksum = ostree_repo_file_get_checksum ((OstreeRepoFile*)source);
 
   /* We can only do hardlinks in these scenarios */
   if (!is_symlink &&
-      ((checkout_data->repo->mode == OSTREE_REPO_MODE_BARE && checkout_data->mode == 
OSTREE_REPO_CHECKOUT_MODE_NONE)
-       || (checkout_data->repo->mode == OSTREE_REPO_MODE_ARCHIVE_Z2 && checkout_data->mode == 
OSTREE_REPO_CHECKOUT_MODE_USER)))
+      ((repo->mode == OSTREE_REPO_MODE_BARE && mode == OSTREE_REPO_CHECKOUT_MODE_NONE)
+       || (repo->mode == OSTREE_REPO_MODE_ARCHIVE_Z2 && mode == OSTREE_REPO_CHECKOUT_MODE_USER)))
     {
-      if (!find_loose_for_checkout (checkout_data->repo, checksum, &loose_path,
+      if (!find_loose_for_checkout (repo, checksum, &loose_path,
                                     cancellable, error))
         goto out;
     }
@@ -308,7 +278,7 @@ checkout_file_thread (GSimpleAsyncResult     *result,
   if (!is_symlink
       && loose_path == NULL
       && repo->mode == OSTREE_REPO_MODE_ARCHIVE_Z2
-      && checkout_data->mode == OSTREE_REPO_CHECKOUT_MODE_USER
+      && mode == OSTREE_REPO_CHECKOUT_MODE_USER
       && repo->enable_uncompressed_cache)
     {
       gs_unref_object GFile *objdir = NULL;
@@ -332,7 +302,7 @@ checkout_file_thread (GSimpleAsyncResult     *result,
       if (!checkout_file_from_input (loose_path,
                                      OSTREE_REPO_CHECKOUT_MODE_USER,
                                      OSTREE_REPO_CHECKOUT_OVERWRITE_UNION_FILES,
-                                     checkout_data->source_info, xattrs, 
+                                     source_info, xattrs, 
                                      input, cancellable, error))
         {
           g_prefix_error (error, "Unpacking loose object %s: ", checksum);
@@ -368,13 +338,13 @@ checkout_file_thread (GSimpleAsyncResult     *result,
   if (loose_path)
     {
       /* If we found one, try hardlinking */
-      if (!checkout_file_hardlink (checkout_data->repo, checkout_data->mode,
-                                   checkout_data->overwrite_mode, loose_path,
-                                   checkout_data->destination, checkout_data->dirfd,
+      if (!checkout_file_hardlink (repo, mode,
+                                   overwrite_mode, loose_path,
+                                   destination, -1,
                                    &hardlink_supported, cancellable, error))
         {
           g_prefix_error (error, "Hardlinking loose object %s to %s: ", checksum,
-                          gs_file_get_path_cached (checkout_data->destination));
+                          gs_file_get_path_cached (destination));
           goto out;
         }
     }
@@ -382,350 +352,70 @@ checkout_file_thread (GSimpleAsyncResult     *result,
   /* Fall back to copy if there's no loose object, or we couldn't hardlink */
   if (loose_path == NULL || !hardlink_supported)
     {
-      if (!ostree_repo_load_file (checkout_data->repo, checksum, &input, NULL, &xattrs,
+      if (!ostree_repo_load_file (repo, checksum, &input, NULL, &xattrs,
                                   cancellable, error))
         goto out;
 
-      if (!checkout_file_from_input (checkout_data->destination,
-                                     checkout_data->mode,
-                                     checkout_data->overwrite_mode,
-                                     checkout_data->source_info, xattrs, 
+      if (!checkout_file_from_input (destination, mode, overwrite_mode,
+                                     source_info, xattrs, 
                                      input, cancellable, error))
         {
           g_prefix_error (error, "Copying object %s to %s: ", checksum,
-                          gs_file_get_path_cached (checkout_data->destination));
+                          gs_file_get_path_cached (destination));
           goto out;
         }
     }
 
+  ret = TRUE;
  out:
-  if (local_error)
-    g_simple_async_result_take_error (result, local_error);
-}
-
-static void
-checkout_one_file_async (OstreeRepo                  *self,
-                         OstreeRepoCheckoutMode    mode,
-                         OstreeRepoCheckoutOverwriteMode    overwrite_mode,
-                         OstreeRepoFile           *source,
-                         GFileInfo                *source_info,
-                         GFile                    *destination,
-                         int                       dirfd,
-                         GCancellable             *cancellable,
-                         GAsyncReadyCallback       callback,
-                         gpointer                  user_data)
-{
-  CheckoutOneFileAsyncData *checkout_data;
-
-  checkout_data = g_new0 (CheckoutOneFileAsyncData, 1);
-  checkout_data->repo = g_object_ref (self);
-  checkout_data->mode = mode;
-  checkout_data->overwrite_mode = overwrite_mode;
-  checkout_data->destination = g_object_ref (destination);
-  checkout_data->dirfd = dirfd;
-  checkout_data->source = g_object_ref (source);
-  checkout_data->source_info = g_object_ref (source_info);
-  checkout_data->cancellable = cancellable ? g_object_ref (cancellable) : NULL;
-
-  checkout_data->result = g_simple_async_result_new ((GObject*) self,
-                                                     callback, user_data,
-                                                     checkout_one_file_async);
-
-  g_simple_async_result_set_op_res_gpointer (checkout_data->result, checkout_data,
-                                             checkout_file_async_data_free);
-
-  g_simple_async_result_run_in_thread (checkout_data->result,
-                                       checkout_file_thread, G_PRIORITY_DEFAULT,
-                                       cancellable);
-  g_object_unref (checkout_data->result);
-}
-
-static gboolean
-checkout_one_file_finish (OstreeRepo               *self,
-                          GAsyncResult             *result,
-                          GError                  **error)
-{
-  GSimpleAsyncResult *simple;
-
-  g_return_val_if_fail (g_simple_async_result_is_valid (result, (GObject*)self, checkout_one_file_async), 
FALSE);
-
-  simple = G_SIMPLE_ASYNC_RESULT (result);
-  if (g_simple_async_result_propagate_error (simple, error))
-    return FALSE;
-  return TRUE;
-}
-
-typedef struct {
-  OstreeRepo               *repo;
-  OstreeRepoCheckoutMode    mode;
-  OstreeRepoCheckoutOverwriteMode    overwrite_mode;
-  GFile                    *destination;
-  OstreeRepoFile           *source;
-  GFileInfo                *source_info;
-  GCancellable             *cancellable;
-
-  gboolean                  caught_error;
-  GError                   *error;
-
-  DIR                      *dir_handle;
-
-  gboolean                  dir_enumeration_complete;
-  guint                     pending_ops;
-  guint                     pending_file_ops;
-  GPtrArray                *pending_dirs;
-  GMainLoop                *loop;
-  GSimpleAsyncResult       *result;
-} CheckoutTreeAsyncData;
-
-static void
-checkout_tree_async_data_free (gpointer      data)
-{
-  CheckoutTreeAsyncData *checkout_data = data;
-
-  g_clear_object (&checkout_data->repo);
-  g_clear_object (&checkout_data->destination);
-  g_clear_object (&checkout_data->source);
-  g_clear_object (&checkout_data->source_info);
-  g_clear_object (&checkout_data->cancellable);
-  if (checkout_data->pending_dirs)
-    g_ptr_array_unref (checkout_data->pending_dirs);
-  if (checkout_data->dir_handle)
-    (void) closedir (checkout_data->dir_handle);
-  g_free (checkout_data);
-}
-
-static void
-on_tree_async_child_op_complete (CheckoutTreeAsyncData   *data,
-                                 GError                  *local_error)
-{
-  data->pending_ops--;
-
-  if (local_error)
-    {
-      if (!data->caught_error)
-        {
-          data->caught_error = TRUE;
-          g_propagate_error (&data->error, local_error);
-        }
-      else
-        g_clear_error (&local_error);
-    }
-
-  if (data->pending_ops != 0)
-    return;
-
-  if (data->caught_error)
-    g_simple_async_result_take_error (data->result, data->error);
-  g_simple_async_result_complete_in_idle (data->result);
-  g_object_unref (data->result);
-}
-
-static void
-on_one_subdir_checked_out (GObject          *src,
-                           GAsyncResult     *result,
-                           gpointer          user_data)
-{
-  CheckoutTreeAsyncData *data = user_data;
-  GError *local_error = NULL;
-
-  if (!ostree_repo_checkout_tree_finish ((OstreeRepo*) src, result, &local_error))
-    goto out;
-
- out:
-  on_tree_async_child_op_complete (data, local_error);
-}
-
-static void
-process_pending_dirs (CheckoutTreeAsyncData *data)
-{
-  guint i;
-
-  g_assert (data->dir_enumeration_complete);
-  g_assert (data->pending_file_ops == 0);
-
-  /* Don't hold a FD open while we're processing
-   * recursive calls, otherwise we can pretty easily
-   * hit the max of 1024 fds =(
-   */
-  if (data->dir_handle)
-    {
-      (void) closedir (data->dir_handle);
-      data->dir_handle = NULL;
-    }
-
-  if (data->pending_dirs != NULL)
-    {
-      for (i = 0; i < data->pending_dirs->len; i++)
-        {
-          GFileInfo *file_info = data->pending_dirs->pdata[i];
-          const char *name;
-          gs_unref_object GFile *dest_path = NULL;
-          gs_unref_object GFile *src_child = NULL;
-
-          name = g_file_info_get_attribute_byte_string (file_info, "standard::name"); 
-
-          dest_path = g_file_get_child (data->destination, name);
-          src_child = g_file_get_child ((GFile*)data->source, name);
-
-          ostree_repo_checkout_tree_async (data->repo,
-                                           data->mode,
-                                           data->overwrite_mode,
-                                           dest_path, (OstreeRepoFile*)src_child, file_info,
-                                           data->cancellable,
-                                           on_one_subdir_checked_out,
-                                           data);
-          data->pending_ops++;
-        }
-      g_ptr_array_set_size (data->pending_dirs, 0);
-      on_tree_async_child_op_complete (data, NULL);
-    }
-}
-
-static void
-on_one_file_checked_out (GObject          *src,
-                         GAsyncResult     *result,
-                         gpointer          user_data)
-{
-  CheckoutTreeAsyncData *data = user_data;
-  GError *local_error = NULL;
-
-  if (!checkout_one_file_finish ((OstreeRepo*) src, result, &local_error))
-    goto out;
-
- out:
-  data->pending_file_ops--;
-  if (data->dir_enumeration_complete && data->pending_file_ops == 0)
-    process_pending_dirs (data);
-  on_tree_async_child_op_complete (data, local_error);
-}
-
-static void
-on_got_next_files (GObject          *src,
-                   GAsyncResult     *result,
-                   gpointer          user_data)
-{
-  CheckoutTreeAsyncData *data = user_data;
-  GError *local_error = NULL;
-  GList *files = NULL;
-  GList *iter = NULL;
-
-  files = g_file_enumerator_next_files_finish ((GFileEnumerator*) src, result, &local_error);
-  if (local_error)
-    goto out;
-
-  if (!files)
-    data->dir_enumeration_complete = TRUE;
-  else
-    {
-      g_file_enumerator_next_files_async ((GFileEnumerator*)src, 50, G_PRIORITY_DEFAULT,
-                                          data->cancellable,
-                                          on_got_next_files, data);
-      data->pending_ops++;
-    }
-
-  if (data->dir_enumeration_complete && data->pending_file_ops == 0)
-    process_pending_dirs (data);
-
-  for (iter = files; iter; iter = iter->next)
-    {
-      GFileInfo *file_info = iter->data;
-      const char *name;
-      guint32 type;
-
-      name = g_file_info_get_attribute_byte_string (file_info, "standard::name"); 
-      type = g_file_info_get_attribute_uint32 (file_info, "standard::type");
-
-      if (type != G_FILE_TYPE_DIRECTORY)
-        {
-          gs_unref_object GFile *dest_path = NULL;
-          gs_unref_object GFile *src_child = NULL;
-
-          dest_path = g_file_get_child (data->destination, name);
-          src_child = g_file_get_child ((GFile*)data->source, name);
-
-          checkout_one_file_async (data->repo, data->mode,
-                                   data->overwrite_mode,
-                                   (OstreeRepoFile*)src_child, file_info, 
-                                   dest_path, dirfd(data->dir_handle),
-                                   data->cancellable, on_one_file_checked_out,
-                                   data);
-          data->pending_file_ops++;
-          data->pending_ops++;
-        }
-      else
-        {
-          if (data->pending_dirs == NULL)
-            {
-              data->pending_dirs = g_ptr_array_new_with_free_func ((GDestroyNotify) g_object_unref);
-              data->pending_ops++;
-            }
-          g_ptr_array_add (data->pending_dirs, g_object_ref (file_info));
-        }
-      g_object_unref (file_info);
-    }
-
-  g_list_free (files);
-
- out:
-  on_tree_async_child_op_complete (data, local_error);
+  return ret;
 }
 
-void
-ostree_repo_checkout_tree_async (OstreeRepo               *self,
-                                 OstreeRepoCheckoutMode    mode,
-                                 OstreeRepoCheckoutOverwriteMode    overwrite_mode,
-                                 GFile                    *destination,
-                                 OstreeRepoFile           *source,
-                                 GFileInfo                *source_info,
-                                 GCancellable             *cancellable,
-                                 GAsyncReadyCallback       callback,
-                                 gpointer                  user_data)
+/**
+ * ostree_repo_checkout_tree:
+ * @self: Repo
+ * @mode: Options controlling all files
+ * @overwrite_mode: Whether or not to overwrite files
+ * @destination: Place tree here
+ * @source: Source tree
+ * @source_info: Source info
+ * @cancellable: Cancellable
+ * @error: Error
+ *
+ * Check out @source into @destination, which must live on the
+ * physical filesystem.  @source may be any subdirectory of a given
+ * commit.  The @mode and @overwrite_mode allow control over how the
+ * files are checked out.
+ */
+gboolean
+ostree_repo_checkout_tree (OstreeRepo               *self,
+                           OstreeRepoCheckoutMode    mode,
+                           OstreeRepoCheckoutOverwriteMode    overwrite_mode,
+                           GFile                    *destination,
+                           OstreeRepoFile           *source,
+                           GFileInfo                *source_info,
+                           GCancellable             *cancellable,
+                           GError                  **error)
 {
-  CheckoutTreeAsyncData *checkout_data;
+  gboolean ret = FALSE;
   gs_unref_object GFileInfo *file_info = NULL;
   gs_unref_variant GVariant *xattrs = NULL;
   gs_unref_object GFileEnumerator *dir_enum = NULL;
-  GError *local_error = NULL;
-  GError **error = &local_error;
-
-  checkout_data = g_new0 (CheckoutTreeAsyncData, 1);
-  checkout_data->repo = g_object_ref (self);
-  checkout_data->mode = mode;
-  checkout_data->overwrite_mode = overwrite_mode;
-  checkout_data->destination = g_object_ref (destination);
-  checkout_data->source = g_object_ref (source);
-  checkout_data->source_info = g_object_ref (source_info);
-  checkout_data->cancellable = cancellable ? g_object_ref (cancellable) : NULL;
-  checkout_data->pending_ops++; /* Count this function */
-
-  checkout_data->result = g_simple_async_result_new ((GObject*) self,
-                                                     callback, user_data,
-                                                     ostree_repo_checkout_tree_async);
-
-  g_simple_async_result_set_op_res_gpointer (checkout_data->result, checkout_data,
-                                             checkout_tree_async_data_free);
-
-  if (!ostree_repo_file_get_xattrs (checkout_data->source, &xattrs, NULL, error))
+
+  if (!ostree_repo_file_get_xattrs (source, &xattrs, NULL, error))
     goto out;
 
-  if (!checkout_file_from_input (checkout_data->destination,
-                                 checkout_data->mode,
-                                 checkout_data->overwrite_mode,
-                                 checkout_data->source_info,
+  if (!checkout_file_from_input (destination,
+                                 mode,
+                                 overwrite_mode,
+                                 source_info,
                                  xattrs, NULL,
                                  cancellable, error))
     goto out;
 
-  checkout_data->dir_handle = opendir (gs_file_get_path_cached (checkout_data->destination));
-  if (!checkout_data->dir_handle)
-    {
-      ot_util_set_error_from_errno (error, errno);
-      goto out;
-    }
-
   g_clear_pointer (&xattrs, (GDestroyNotify) g_variant_unref);
 
-  dir_enum = g_file_enumerate_children ((GFile*)checkout_data->source,
+  dir_enum = g_file_enumerate_children ((GFile*)source,
                                         OSTREE_GIO_FAST_QUERYINFO, 
                                         G_FILE_QUERY_INFO_NOFOLLOW_SYMLINKS,
                                         cancellable, 
@@ -733,27 +423,41 @@ ostree_repo_checkout_tree_async (OstreeRepo               *self,
   if (!dir_enum)
     goto out;
 
-  g_file_enumerator_next_files_async (dir_enum, 50, G_PRIORITY_DEFAULT, cancellable,
-                                      on_got_next_files, checkout_data);
-  checkout_data->pending_ops++;
+  while (TRUE)
+    {
+      GFileInfo *file_info;
+      GFile *src_child;
+      const char *name;
+      gs_unref_object GFile *dest_path = NULL;
 
- out:
-  on_tree_async_child_op_complete (checkout_data, local_error);
-}
+      if (!gs_file_enumerator_iterate (dir_enum, &file_info, &src_child,
+                                       cancellable, error))
+        goto out;
+      if (file_info == NULL)
+        break;
 
-gboolean
-ostree_repo_checkout_tree_finish (OstreeRepo               *self,
-                                  GAsyncResult             *result,
-                                  GError                  **error)
-{
-  GSimpleAsyncResult *simple;
+      name = g_file_info_get_name (file_info);
+      dest_path = g_file_get_child (destination, name);
 
-  g_return_val_if_fail (g_simple_async_result_is_valid (result, (GObject*)self, 
ostree_repo_checkout_tree_async), FALSE);
+      if (g_file_info_get_file_type (file_info) == G_FILE_TYPE_DIRECTORY)
+        {
+          if (!ostree_repo_checkout_tree (self, mode, overwrite_mode, dest_path,
+                                          (OstreeRepoFile*)src_child, file_info,
+                                          cancellable, error))
+            goto out;
+        }
+      else
+        {
+          if (!checkout_one_file (self, src_child, file_info, dest_path,
+                                  mode, overwrite_mode,
+                                  cancellable, error))
+            goto out;
+        }
+    }
 
-  simple = G_SIMPLE_ASYNC_RESULT (result);
-  if (g_simple_async_result_propagate_error (simple, error))
-    return FALSE;
-  return TRUE;
+  ret = TRUE;
+ out:
+  return ret;
 }
 
 /**
diff --git a/src/libostree/ostree-repo.h b/src/libostree/ostree-repo.h
index 0081b43..5434767 100644
--- a/src/libostree/ostree-repo.h
+++ b/src/libostree/ostree-repo.h
@@ -326,21 +326,15 @@ typedef enum {
   OSTREE_REPO_CHECKOUT_OVERWRITE_UNION_FILES = 1
 } OstreeRepoCheckoutOverwriteMode;
 
-void
-ostree_repo_checkout_tree_async (OstreeRepo               *self,
-                                 OstreeRepoCheckoutMode    mode,
-                                 OstreeRepoCheckoutOverwriteMode    overwrite_mode,
-                                 GFile                    *destination,
-                                 OstreeRepoFile           *source,
-                                 GFileInfo                *source_info,
-                                 GCancellable             *cancellable,
-                                 GAsyncReadyCallback       callback,
-                                 gpointer                  user_data);
-
 gboolean
-ostree_repo_checkout_tree_finish (OstreeRepo               *self,
-                                  GAsyncResult             *result,
-                                  GError                  **error);
+ostree_repo_checkout_tree (OstreeRepo               *self,
+                           OstreeRepoCheckoutMode    mode,
+                           OstreeRepoCheckoutOverwriteMode    overwrite_mode,
+                           GFile                    *destination,
+                           OstreeRepoFile           *source,
+                           GFileInfo                *source_info,
+                           GCancellable             *cancellable,
+                           GError                  **error);
 
 gboolean       ostree_repo_checkout_gc (OstreeRepo        *self,
                                         GCancellable      *cancellable,
diff --git a/src/ostree/ot-admin-deploy.c b/src/ostree/ot-admin-deploy.c
index 89d20eb..21db483 100644
--- a/src/ostree/ot-admin-deploy.c
+++ b/src/ostree/ot-admin-deploy.c
@@ -31,34 +31,6 @@
 #include "ostree-core.h"
 #include "libgsystem.h"
 
-typedef struct {
-  GError **error;
-  gboolean caught_error;
-
-  GMainLoop *loop;
-} ProcessOneCheckoutData;
-
-static void
-on_checkout_complete (GObject         *object,
-                      GAsyncResult    *result,
-                      gpointer         user_data)
-{
-  ProcessOneCheckoutData *data = user_data;
-  GError *local_error = NULL;
-
-  if (!ostree_repo_checkout_tree_finish ((OstreeRepo*)object, result,
-                                         &local_error))
-    goto out;
-
- out:
-  if (local_error)
-    {
-      data->caught_error = TRUE;
-      g_propagate_error (data->error, local_error);
-    }
-  g_main_loop_quit (data->loop);
-}
-
 
 /**
  * copy_one_config_file:
@@ -247,7 +219,6 @@ checkout_deployment_tree (GFile             *sysroot,
   gs_unref_object GFile *osdeploy_path = NULL;
   gs_unref_object GFile *deploy_target_path = NULL;
   gs_unref_object GFile *deploy_parent = NULL;
-  ProcessOneCheckoutData checkout_data = { 0, };
 
   root = (OstreeRepoFile*)ostree_repo_file_new_root (repo, csum);
   if (!ostree_repo_file_ensure_resolved (root, error))
@@ -272,18 +243,8 @@ checkout_deployment_tree (GFile             *sysroot,
   g_print ("ostadmin: Creating deployment %s\n",
            gs_file_get_path_cached (deploy_target_path));
 
-  checkout_data.loop = g_main_loop_new (NULL, TRUE);
-  checkout_data.error = error;
-  
-  ostree_repo_checkout_tree_async (repo, 0, 0, deploy_target_path, root,
-                                   file_info, cancellable,
-                                   on_checkout_complete, &checkout_data);
-  
-  g_main_loop_run (checkout_data.loop);
-  
-  g_main_loop_unref (checkout_data.loop);
-  
-  if (checkout_data.caught_error)
+  if (!ostree_repo_checkout_tree (repo, 0, 0, deploy_target_path, root,
+                                  file_info, cancellable, error))
     goto out;
 
   ret = TRUE;
diff --git a/src/ostree/ot-builtin-checkout.c b/src/ostree/ot-builtin-checkout.c
index c71592e..136df30 100644
--- a/src/ostree/ot-builtin-checkout.c
+++ b/src/ostree/ot-builtin-checkout.c
@@ -46,39 +46,6 @@ static GOptionEntry options[] = {
   { NULL }
 };
 
-typedef struct {
-  gboolean caught_error;
-  GError **error;
-
-  GMainLoop *loop;
-} ProcessOneCheckoutData;
-
-static void
-on_checkout_complete (GObject         *object,
-                      GAsyncResult    *result,
-                      gpointer         user_data)
-{
-  ProcessOneCheckoutData *data = user_data;
-  GError *local_error = NULL;
-
-  if (!ostree_repo_checkout_tree_finish ((OstreeRepo*)object, result,
-                                         &local_error))
-    goto out;
-
- out:
-  if (local_error)
-    {
-      if (!data->caught_error)
-        {
-          data->caught_error = TRUE;
-          g_propagate_error (data->error, local_error);
-        }
-      else
-        g_clear_error (&local_error);
-    }
-  g_main_loop_quit (data->loop);
-}
-
 static gboolean
 process_one_checkout (OstreeRepo           *repo,
                       const char           *resolved_commit,
@@ -88,14 +55,11 @@ process_one_checkout (OstreeRepo           *repo,
                       GError              **error)
 {
   gboolean ret = FALSE;
-  ProcessOneCheckoutData data;
   GError *tmp_error = NULL;
   gs_unref_object OstreeRepoFile *root = NULL;
   gs_unref_object OstreeRepoFile *subtree = NULL;
   gs_unref_object GFileInfo *file_info = NULL;
 
-  memset (&data, 0, sizeof (data));
-  
   root = (OstreeRepoFile*)ostree_repo_file_new_root (repo, resolved_commit);
   if (!ostree_repo_file_ensure_resolved (root, error))
     goto out;
@@ -123,23 +87,13 @@ process_one_checkout (OstreeRepo           *repo,
       goto out;
     }
 
-  data.loop = g_main_loop_new (NULL, TRUE);
-  data.error = error;
-
-  ostree_repo_checkout_tree_async (repo, opt_user_mode ? OSTREE_REPO_CHECKOUT_MODE_USER : 0,
-                                   opt_union ? OSTREE_REPO_CHECKOUT_OVERWRITE_UNION_FILES : 0,
-                                   target, subtree, file_info, cancellable,
-                                   on_checkout_complete, &data);
-
-  g_main_loop_run (data.loop);
-
-  if (data.caught_error)
+  if (!ostree_repo_checkout_tree (repo, opt_user_mode ? OSTREE_REPO_CHECKOUT_MODE_USER : 0,
+                                  opt_union ? OSTREE_REPO_CHECKOUT_OVERWRITE_UNION_FILES : 0,
+                                  target, subtree, file_info, cancellable, error))
     goto out;
                       
   ret = TRUE;
  out:
-  if (data.loop)
-    g_main_loop_unref (data.loop);
   return ret;
 }
 


[Date Prev][Date Next]   [Thread Prev][Thread Next]   [Thread Index] [Date Index] [Author Index]