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repo-contents: Use ostree summary 

Load the OSTree summary file for the remote repo, and show its
contents, if available. This gives us a listing of the refs that
are available in the remote repository, regardless of whether
they are represented in the local repo.
tingping/wmclass
Matthias Clasen 2015-01-20 19:51:58 -05:00
parent 3a19cff34f
commit ec6fa6284d
1 changed files with 47 additions and 2 deletions
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49
xdg-app-builtins-repo-contents.c
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@ -37,6 +37,11 @@ xdg_app_builtin_repo_contents (int argc, char **argv, GCancellable *cancellable,
gs_unref_ptrarray GPtrArray *names = NULL;
int i;
const char *repository;
gs_free char *url;
gs_unref_object GFile *repo_file = NULL;
gs_unref_object GFile *summary_file = NULL;
char *buffer;
gsize length;
context = g_option_context_new (" REPOSITORY - Show available runtimes and applications");
@ -52,9 +57,47 @@ xdg_app_builtin_repo_contents (int argc, char **argv, GCancellable *cancellable,
repository = argv[1];
repo = xdg_app_dir_get_repo (dir);
if (!ostree_repo_list_refs (repo, NULL, &refs, cancellable, error))
if (!ostree_repo_remote_get_url (repo, repository, &url, error))
goto out;
repo_file = g_file_new_for_uri (url);
summary_file = g_file_get_child (repo_file, "summary");
if (g_file_load_contents (summary_file, cancellable, &buffer, &length, NULL, NULL))
{
gs_unref_variant GVariant *summary;
gs_unref_variant GVariant *ref_list;
int n;
refs = g_hash_table_new_full (g_str_hash, g_str_equal, g_free, g_free);
summary = g_variant_new_from_data (OSTREE_SUMMARY_GVARIANT_FORMAT, buffer, length, FALSE, g_free, NULL);
ref_list = g_variant_get_child_value (summary, 0);
n = g_variant_n_children (ref_list);
for (i = 0; i < n; i++)
{
gs_unref_variant GVariant *ref = NULL;
gs_unref_variant GVariant *csum_v = NULL;
char *refname;
char *checksum;
ref = g_variant_get_child_value (ref_list, i);
g_variant_get (ref, "(&s(t@aya{sv}))", &refname, NULL, &csum_v, NULL);
if (!ostree_validate_rev (refname, error))
goto out;
checksum = ostree_checksum_from_bytes_v (csum_v);
g_debug ("%s summary: %s -> %s\n", repository, refname, checksum);
g_hash_table_insert (refs, g_strdup (refname), checksum);
}
}
else
{
g_printerr ("Failed to load summary file for remote %s, listing local refs\n", repository);
if (!ostree_repo_list_refs (repo, NULL, &refs, cancellable, error))
goto out;
}
names = g_ptr_array_new_with_free_func (g_free);
g_hash_table_iter_init (&iter, refs);
@ -70,7 +113,7 @@ xdg_app_builtin_repo_contents (int argc, char **argv, GCancellable *cancellable,
if (!ostree_parse_refspec (refspec, &remote, &ref, error))
goto out;
if (!g_str_equal (remote, repository))
if (remote != NULL && !g_str_equal (remote, repository))
continue;
if (opt_only_updates)
@ -78,6 +121,8 @@ xdg_app_builtin_repo_contents (int argc, char **argv, GCancellable *cancellable,
gs_free char *deployed = NULL;
deployed = xdg_app_dir_read_active (dir, ref, cancellable);
if (deployed == NULL)
continue;
if (g_strcmp0 (deployed, checksum) == 0)
continue;