shaba/ostree
1
0
Fork 0
mirror of https://github.com/ostreedev/ostree.git synced 2024-10-26 17:25:36 +03:00
Code Issues Projects Releases Wiki Activity

repo: Make the optimization for reusing checksums clearer

Browse Source 
The code here is a bit hard to understand, so make it clearer by cleaning
up the flow control and adding some comments.

https://bugzilla.gnome.org/show_bug.cgi?id=707727
This commit is contained in:
Jasper St. Pierre 2013-09-08 12:43:21 -04:00
parent 223bccf2f6
commit fb1e140dba
1 changed files with 15 additions and 11 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

26
src/libostree/ostree-repo-commit.c
View File

@ -1466,27 +1466,34 @@ write_directory_to_mtree_internal (OstreeRepo *self,
GError **error)
{
gboolean ret = FALSE;
gboolean repo_dir_was_empty = FALSE;
OstreeRepoCommitFilterResult filter_result;
gs_unref_object OstreeRepoFile *repo_dir = NULL;
OstreeRepoFile *repo_dir = NULL;
gs_unref_object GFileEnumerator *dir_enum = NULL;
gs_unref_object GFileInfo *child_info = NULL;
g_debug ("Examining: %s", gs_file_get_path_cached (dir));
/* We can only reuse checksums directly if there's no modifier */
/* If the directory is already in the repository, we can try to
* reuse checksums to skip checksumming. */
if (OSTREE_IS_REPO_FILE (dir) && modifier == NULL)
repo_dir = (OstreeRepoFile*)g_object_ref (dir);
repo_dir = (OstreeRepoFile *) dir;
if (repo_dir)
{
if (!ostree_repo_file_ensure_resolved (repo_dir, error))
goto out;
ostree_mutable_tree_set_metadata_checksum (mtree, ostree_repo_file_get_checksum (repo_dir));
repo_dir_was_empty =
g_hash_table_size (ostree_mutable_tree_get_files (mtree)) == 0
&& g_hash_table_size (ostree_mutable_tree_get_subdirs (mtree)) == 0;
ostree_mutable_tree_set_metadata_checksum (mtree, ostree_repo_file_tree_get_metadata_checksum (repo_dir));
/* If the mtree was empty beforehand, the checksums on the mtree can simply
* become the checksums on the tree in the repo. Super simple. */
if (g_hash_table_size (ostree_mutable_tree_get_files (mtree)) == 0 &&
g_hash_table_size (ostree_mutable_tree_get_subdirs (mtree)) == 0)
{
ostree_mutable_tree_set_contents_checksum (mtree, ostree_repo_file_tree_get_contents_checksum (repo_dir));
ret = TRUE;
goto out;
}
filter_result = OSTREE_REPO_COMMIT_FILTER_ALLOW;
}
@ -1632,9 +1639,6 @@ write_directory_to_mtree_internal (OstreeRepo *self,
}
}
if (repo_dir && repo_dir_was_empty)
ostree_mutable_tree_set_contents_checksum (mtree, ostree_repo_file_tree_get_contents_checksum (repo_dir));
ret = TRUE;
out:
return ret;