gboolean
is_checksum_an_update (OstreeRepo *repo,
const gchar *checksum,
GVariant **commit,
GError **error)
{
g_autofree gchar *cur = NULL;
g_autoptr(GVariant) current_commit = NULL;
g_autoptr(GVariant) update_commit = NULL;
gboolean is_newer;
guint64 update_timestamp, current_timestamp;
g_return_val_if_fail (OSTREE_IS_REPO (repo), FALSE);
g_return_val_if_fail (checksum != NULL, FALSE);
g_return_val_if_fail (commit != NULL, FALSE);
g_return_val_if_fail (error == NULL || *error == NULL, FALSE);
cur = eos_updater_get_booted_checksum (error);
if (cur == NULL)
return FALSE;
g_debug ("%s: current: %s, update: %s", G_STRFUNC, cur, checksum);
if (!ostree_repo_load_commit (repo, cur, ¤t_commit, NULL, error))
return FALSE;
if (!ostree_repo_load_commit (repo, checksum, &update_commit, NULL, error))
return FALSE;
/* Determine if the new commit is newer than the old commit to prevent
* inadvertent (or malicious) attempts to downgrade the system.
*/
update_timestamp = ostree_commit_get_timestamp (update_commit);
current_timestamp = ostree_commit_get_timestamp (current_commit);
g_debug ("%s: current_timestamp: %" G_GUINT64_FORMAT ", "
"update_timestamp: %" G_GUINT64_FORMAT,
G_STRFUNC, update_timestamp, current_timestamp);
is_newer = update_timestamp > current_timestamp;
/* if we have a checksum for the remote upgrade candidate
* and it's ≠ what we're currently booted into, advertise it as such.
*/
if (is_newer && g_strcmp0 (cur, checksum) != 0)
*commit = g_steal_pointer (&update_commit);
else
*commit = NULL;
return TRUE;
}
GDateTime *
eos_update_info_get_commit_timestamp (EosUpdateInfo *info)
{
g_return_val_if_fail (EOS_IS_UPDATE_INFO (info), NULL);
return g_date_time_new_from_unix_utc (ostree_commit_get_timestamp (info->commit));
}
static void
variant_add_commit_details (GVariantDict *dict,
GVariant *commit)
{
g_autoptr(GVariant) metadata = NULL;
g_autofree gchar *version_commit = NULL;
guint64 timestamp = 0;
timestamp = ostree_commit_get_timestamp (commit);
metadata = g_variant_get_child_value (commit, 0);
if (metadata != NULL)
g_variant_lookup (metadata, "version", "s", &version_commit);
if (version_commit != NULL)
g_variant_dict_insert (dict, "version", "s", version_commit);
if (timestamp > 0)
g_variant_dict_insert (dict, "timestamp", "t", timestamp);
}
GVariant *
rpmostreed_deployment_generate_variant (OstreeDeployment *deployment,
OstreeRepo *repo)
{
g_autoptr(GVariant) commit = NULL;
g_autofree gchar *origin_refspec = NULL;
g_autofree gchar *version_commit = NULL;
g_autofree gchar *id = NULL;
GVariant *sigs = NULL; /* floating variant */
GError *error = NULL;
GVariantDict dict;
guint64 timestamp = 0;
const gchar *osname = ostree_deployment_get_osname (deployment);
const gchar *csum = ostree_deployment_get_csum (deployment);
gint serial = ostree_deployment_get_deployserial (deployment);
id = rpmostreed_deployment_generate_id (deployment);
if (ostree_repo_load_variant (repo,
OSTREE_OBJECT_TYPE_COMMIT,
csum,
&commit,
&error))
{
g_autoptr(GVariant) metadata = NULL;
timestamp = ostree_commit_get_timestamp (commit);
metadata = g_variant_get_child_value (commit, 0);
if (metadata != NULL)
g_variant_lookup (metadata, "version", "s", &version_commit);
}
else
{
g_warning ("Error loading commit %s", error->message);
}
g_clear_error (&error);
origin_refspec = rpmostreed_deployment_get_refspec (deployment);
if (origin_refspec)
sigs = rpmostreed_deployment_gpg_results (repo, origin_refspec, csum);
g_variant_dict_init (&dict, NULL);
g_variant_dict_insert (&dict, "id", "s", id);
if (osname != NULL)
g_variant_dict_insert (&dict, "osname", "s", osname);
g_variant_dict_insert (&dict, "serial", "i", serial);
g_variant_dict_insert (&dict, "checksum", "s", csum);
if (version_commit != NULL)
g_variant_dict_insert (&dict, "version", "s", version_commit);
if (timestamp > 0)
g_variant_dict_insert (&dict, "timestamp", "t", timestamp);
if (origin_refspec != NULL)
g_variant_dict_insert (&dict, "origin", "s", origin_refspec);
if (sigs != NULL)
g_variant_dict_insert_value (&dict, "signatures", sigs);
return g_variant_dict_end (&dict);
}
static gboolean
prune_commits_keep_younger_than_date (OstreeRepo *repo, const char *date, GCancellable *cancellable, GError **error)
{
g_autoptr(GHashTable) refs = NULL;
g_autoptr(GHashTable) ref_heads = g_hash_table_new (g_str_hash, g_str_equal);
g_autoptr(GHashTable) objects = NULL;
GHashTableIter hash_iter;
gpointer key, value;
struct timespec ts;
gboolean ret = FALSE;
if (!parse_datetime (&ts, date, NULL))
{
g_set_error (error, G_IO_ERROR, G_IO_ERROR_FAILED,
"Could not parse '%s'", date);
goto out;
}
if (!ot_enable_tombstone_commits (repo, error))
goto out;
if (!ostree_repo_list_refs (repo, NULL, &refs, cancellable, error))
goto out;
/* We used to prune the HEAD of a given ref by default, but that's
* broken for a few reasons. One is that people may use branches as
* tags. Second is that if we do it, we should be deleting the ref
* too, otherwise e.g. `summary -u` breaks trying to load it, etc.
*/
g_hash_table_iter_init (&hash_iter, refs);
while (g_hash_table_iter_next (&hash_iter, &key, &value))
{
/* Value is lifecycle bound to refs */
g_hash_table_add (ref_heads, (char*)value);
}
if (!ostree_repo_list_objects (repo, OSTREE_REPO_LIST_OBJECTS_ALL, &objects,
cancellable, error))
goto out;
g_hash_table_iter_init (&hash_iter, objects);
while (g_hash_table_iter_next (&hash_iter, &key, &value))
{
GVariant *serialized_key = key;
const char *checksum;
OstreeObjectType objtype;
guint64 commit_timestamp;
g_autoptr(GVariant) commit = NULL;
ostree_object_name_deserialize (serialized_key, &checksum, &objtype);
if (objtype != OSTREE_OBJECT_TYPE_COMMIT)
continue;
if (g_hash_table_contains (ref_heads, checksum))
continue;
if (!ostree_repo_load_variant (repo, OSTREE_OBJECT_TYPE_COMMIT, checksum,
&commit, error))
goto out;
commit_timestamp = ostree_commit_get_timestamp (commit);
if (commit_timestamp < ts.tv_sec)
{
if (opt_static_deltas_only)
{
if(!ostree_repo_prune_static_deltas (repo, checksum, cancellable, error))
goto out;
}
else
{
if (!ostree_repo_delete_object (repo, OSTREE_OBJECT_TYPE_COMMIT, checksum, cancellable, error))
goto out;
}
}
}
ret = TRUE;
out:
return ret;
}
gboolean
flatpak_builtin_build_commit_from (int argc, char **argv, GCancellable *cancellable, GError **error)
{
g_autoptr(GOptionContext) context = NULL;
g_autoptr(GFile) dst_repofile = NULL;
g_autoptr(OstreeRepo) dst_repo = NULL;
g_autoptr(GFile) src_repofile = NULL;
g_autoptr(OstreeRepo) src_repo = NULL;
g_autofree char *src_repo_uri = NULL;
const char *dst_repo_arg;
const char **dst_refs;
int n_dst_refs = 0;
g_autoptr(FlatpakRepoTransaction) transaction = NULL;
g_autoptr(GPtrArray) src_refs = NULL;
g_autoptr(GPtrArray) resolved_src_refs = NULL;
OstreeRepoCommitState src_commit_state;
struct timespec ts;
guint64 timestamp;
int i;
context = g_option_context_new (_("DST-REPO [DST-REF…] - Make a new commit from existing commits"));
g_option_context_set_translation_domain (context, GETTEXT_PACKAGE);
if (!flatpak_option_context_parse (context, options, &argc, &argv, FLATPAK_BUILTIN_FLAG_NO_DIR, NULL, cancellable, error))
return FALSE;
if (argc < 2)
return usage_error (context, _("DST-REPO must be specified"), error);
dst_repo_arg = argv[1];
dst_refs = (const char **) argv + 2;
n_dst_refs = argc - 2;
if (opt_src_repo == NULL && n_dst_refs != 1)
return usage_error (context, _("If --src-repo is not specified, exactly one destination ref must be specified"), error);
if (opt_src_ref != NULL && n_dst_refs != 1)
return usage_error (context, _("If --src-ref is specified, exactly one destination ref must be specified"), error);
if (opt_src_repo == NULL && opt_src_ref == NULL)
return flatpak_fail (error, _("Either --src-repo or --src-ref must be specified."));
/* Always create a commit if we're eol:ing, even though the app is the same */
if (opt_endoflife != NULL || opt_endoflife_rebase != NULL)
opt_force = TRUE;
if (opt_endoflife_rebase)
{
opt_endoflife_rebase_new = g_new0 (char *, g_strv_length (opt_endoflife_rebase));
for (i = 0; opt_endoflife_rebase[i] != NULL; i++)
{
char *rebase_old = opt_endoflife_rebase[i];
char *rebase_new = strchr (rebase_old, '=');
if (rebase_new == NULL) {
return usage_error (context, _("Invalid argument format of use --end-of-life-rebase=OLDID=NEWID"), error);
}
*rebase_new = 0;
rebase_new++;
if (!flatpak_is_valid_name (rebase_old, error))
return glnx_prefix_error (error, _("Invalid name %s in --end-of-life-rebase"), rebase_old);
if (!flatpak_is_valid_name (rebase_new, error))
return glnx_prefix_error (error, _("Invalid name %s in --end-of-life-rebase"), rebase_new);
opt_endoflife_rebase_new[i] = rebase_new;
}
}
if (opt_timestamp)
{
if (!parse_datetime (&ts, opt_timestamp, NULL))
return flatpak_fail (error, _("Could not parse '%s'"), opt_timestamp);
}
dst_repofile = g_file_new_for_commandline_arg (dst_repo_arg);
if (!g_file_query_exists (dst_repofile, cancellable))
return flatpak_fail (error, _("'%s' is not a valid repository"), dst_repo_arg);
dst_repo = ostree_repo_new (dst_repofile);
if (!ostree_repo_open (dst_repo, cancellable, error))
return FALSE;
if (opt_disable_fsync)
ostree_repo_set_disable_fsync (dst_repo, TRUE);
if (opt_src_repo)
{
src_repofile = g_file_new_for_commandline_arg (opt_src_repo);
if (!g_file_query_exists (src_repofile, cancellable))
return flatpak_fail (error, _("'%s' is not a valid repository"), opt_src_repo);
src_repo_uri = g_file_get_uri (src_repofile);
src_repo = ostree_repo_new (src_repofile);
if (!ostree_repo_open (src_repo, cancellable, error))
return FALSE;
}
else
{
src_repo = g_object_ref (dst_repo);
}
src_refs = g_ptr_array_new_with_free_func (g_free);
if (opt_src_ref)
{
g_assert (n_dst_refs == 1);
g_ptr_array_add (src_refs, g_strdup (opt_src_ref));
}
else
{
g_assert (opt_src_repo != NULL);
if (n_dst_refs == 0)
{
g_autofree const char **keys = NULL;
g_autoptr(GHashTable) all_src_refs = NULL;
if (!ostree_repo_list_refs (src_repo, NULL, &all_src_refs,
cancellable, error))
return FALSE;
keys = (const char **) g_hash_table_get_keys_as_array (all_src_refs, NULL);
for (i = 0; keys[i] != NULL; i++)
{
if (g_str_has_prefix (keys[i], "runtime/") ||
g_str_has_prefix (keys[i], "app/"))
g_ptr_array_add (src_refs, g_strdup (keys[i]));
}
n_dst_refs = src_refs->len;
dst_refs = (const char **) src_refs->pdata;
}
else
{
for (i = 0; i < n_dst_refs; i++)
g_ptr_array_add (src_refs, g_strdup (dst_refs[i]));
}
}
resolved_src_refs = g_ptr_array_new_with_free_func (g_free);
for (i = 0; i < src_refs->len; i++)
{
const char *src_ref = g_ptr_array_index (src_refs, i);
char *resolved_ref;
if (!ostree_repo_resolve_rev (src_repo, src_ref, FALSE, &resolved_ref, error))
return FALSE;
g_ptr_array_add (resolved_src_refs, resolved_ref);
}
if (src_repo_uri != NULL)
{
OstreeRepoPullFlags pullflags = 0;
GVariantBuilder builder;
g_autoptr(OstreeAsyncProgress) progress = NULL;
g_auto(GLnxConsoleRef) console = { 0, };
g_autoptr(GVariant) options = NULL;
gboolean res;
if (opt_untrusted)
pullflags |= OSTREE_REPO_PULL_FLAGS_UNTRUSTED;
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}", "flags",
g_variant_new_variant (g_variant_new_int32 (pullflags)));
g_variant_builder_add (&builder, "{s@v}", "refs",
g_variant_new_variant (g_variant_new_strv ((const char * const *) resolved_src_refs->pdata,
resolved_src_refs->len)));
g_variant_builder_add (&builder, "{s@v}", "depth",
g_variant_new_variant (g_variant_new_int32 (0)));
options = g_variant_ref_sink (g_variant_builder_end (&builder));
res = ostree_repo_pull_with_options (dst_repo, src_repo_uri,
options,
progress,
cancellable, error);
if (progress)
ostree_async_progress_finish (progress);
if (!res)
return FALSE;
}
/* By now we have the commit with commit_id==resolved_ref and dependencies in dst_repo. We now create a new
* commit based on the toplevel tree ref from that commit.
* This is equivalent to:
* ostree commit --skip-if-unchanged --repo=${destrepo} --tree=ref=${resolved_ref}
*/
transaction = flatpak_repo_transaction_start (dst_repo, cancellable, error);
if (transaction == NULL)
return FALSE;
for (i = 0; i < resolved_src_refs->len; i++)
{
const char *dst_ref = dst_refs[i];
const char *resolved_ref = g_ptr_array_index (resolved_src_refs, i);
g_autofree char *dst_parent = NULL;
g_autoptr(GFile) dst_parent_root = NULL;
g_autoptr(GFile) src_ref_root = NULL;
g_autoptr(GVariant) src_commitv = NULL;
g_autoptr(GVariant) dst_commitv = NULL;
g_autoptr(OstreeMutableTree) mtree = NULL;
g_autoptr(GFile) dst_root = NULL;
g_autoptr(GVariant) commitv_metadata = NULL;
g_autoptr(GVariant) metadata = NULL;
const char *subject;
const char *body;
g_autofree char *commit_checksum = NULL;
GVariantBuilder metadata_builder;
gint j;
const char *dst_collection_id = NULL;
const char *main_collection_id = NULL;
g_autoptr(GPtrArray) collection_ids = NULL;
if (!ostree_repo_resolve_rev (dst_repo, dst_ref, TRUE, &dst_parent, error))
return FALSE;
if (dst_parent != NULL &&
!ostree_repo_read_commit (dst_repo, dst_parent, &dst_parent_root, NULL, cancellable, error))
return FALSE;
if (!ostree_repo_read_commit (dst_repo, resolved_ref, &src_ref_root, NULL, cancellable, error))
return FALSE;
if (!ostree_repo_load_commit (dst_repo, resolved_ref, &src_commitv, &src_commit_state, error))
return FALSE;
if (src_commit_state & OSTREE_REPO_COMMIT_STATE_PARTIAL)
return flatpak_fail (error, _("Can't commit from partial source commit."));
/* Don't create a new commit if this is the same tree */
if (!opt_force && dst_parent_root != NULL && g_file_equal (dst_parent_root, src_ref_root))
{
g_print (_("%s: no change\n"), dst_ref);
continue;
}
mtree = ostree_mutable_tree_new ();
if (!ostree_repo_write_directory_to_mtree (dst_repo, src_ref_root, mtree, NULL,
cancellable, error))
return FALSE;
if (!ostree_repo_write_mtree (dst_repo, mtree, &dst_root, cancellable, error))
return FALSE;
commitv_metadata = g_variant_get_child_value (src_commitv, 0);
g_variant_get_child (src_commitv, 3, "&s", &subject);
if (opt_subject)
subject = (const char *) opt_subject;
g_variant_get_child (src_commitv, 4, "&s", &body);
if (opt_body)
body = (const char *) opt_body;
dst_collection_id = ostree_repo_get_collection_id (dst_repo);
collection_ids = g_ptr_array_new_with_free_func (g_free);
if (dst_collection_id)
{
main_collection_id = dst_collection_id;
g_ptr_array_add (collection_ids, g_strdup (dst_collection_id));
}
if (opt_extra_collection_ids != NULL)
{
for (j = 0; opt_extra_collection_ids[j] != NULL; j++)
{
const char *cid = opt_extra_collection_ids[j];
if (main_collection_id == NULL)
main_collection_id = cid; /* Fall back to first arg */
if (g_strcmp0 (cid, dst_collection_id) != 0)
g_ptr_array_add (collection_ids, g_strdup (cid));
}
}
g_ptr_array_sort (collection_ids, (GCompareFunc) flatpak_strcmp0_ptr);
/* Copy old metadata */
g_variant_builder_init (&metadata_builder, G_VARIANT_TYPE ("a{sv}"));
/* Bindings. xa.ref is deprecated but added anyway for backwards compatibility. */
g_variant_builder_add (&metadata_builder, "{sv}", "ostree.collection-binding",
g_variant_new_string (main_collection_id ? main_collection_id : ""));
if (collection_ids->len > 0)
{
g_autoptr(GVariantBuilder) cr_builder = g_variant_builder_new (G_VARIANT_TYPE ("a(ss)"));
for (j = 0; j < collection_ids->len; j++)
g_variant_builder_add (cr_builder, "(ss)", g_ptr_array_index (collection_ids, j), dst_ref);
g_variant_builder_add (&metadata_builder, "{sv}", "ostree.collection-refs-binding",
g_variant_builder_end (cr_builder));
}
g_variant_builder_add (&metadata_builder, "{sv}", "ostree.ref-binding",
g_variant_new_strv (&dst_ref, 1));
g_variant_builder_add (&metadata_builder, "{sv}", "xa.ref", g_variant_new_string (dst_ref));
/* Record the source commit. This is nice to have, but it also
means the commit-from gets a different commit id, which
avoids problems with e.g. sharing .commitmeta files
(signatures) */
g_variant_builder_add (&metadata_builder, "{sv}", "xa.from_commit", g_variant_new_string (resolved_ref));
for (j = 0; j < g_variant_n_children (commitv_metadata); j++)
{
g_autoptr(GVariant) child = g_variant_get_child_value (commitv_metadata, j);
g_autoptr(GVariant) keyv = g_variant_get_child_value (child, 0);
const char *key = g_variant_get_string (keyv, NULL);
if (strcmp (key, "xa.ref") == 0 ||
strcmp (key, "xa.from_commit") == 0 ||
strcmp (key, "ostree.collection-binding") == 0 ||
strcmp (key, "ostree.collection-refs-binding") == 0 ||
strcmp (key, "ostree.ref-binding") == 0)
continue;
if (opt_endoflife &&
strcmp (key, OSTREE_COMMIT_META_KEY_ENDOFLIFE) == 0)
continue;
if (opt_endoflife_rebase &&
strcmp (key, OSTREE_COMMIT_META_KEY_ENDOFLIFE_REBASE) == 0)
continue;
g_variant_builder_add_value (&metadata_builder, child);
}
if (opt_endoflife && *opt_endoflife)
g_variant_builder_add (&metadata_builder, "{sv}", OSTREE_COMMIT_META_KEY_ENDOFLIFE,
g_variant_new_string (opt_endoflife));
if (opt_endoflife_rebase)
{
g_auto(GStrv) dst_ref_parts = g_strsplit (dst_ref, "/", 0);
for (j = 0; opt_endoflife_rebase[j] != NULL; j++)
{
const char *old_prefix = opt_endoflife_rebase[j];
if (flatpak_has_name_prefix (dst_ref_parts[1], old_prefix))
{
g_autofree char *new_id = g_strconcat (opt_endoflife_rebase_new[j], dst_ref_parts[1] + strlen(old_prefix), NULL);
g_autofree char *rebased_ref = g_build_filename (dst_ref_parts[0], new_id, dst_ref_parts[2], dst_ref_parts[3], NULL);
g_variant_builder_add (&metadata_builder, "{sv}", OSTREE_COMMIT_META_KEY_ENDOFLIFE_REBASE,
g_variant_new_string (rebased_ref));
break;
}
}
}
timestamp = ostree_commit_get_timestamp (src_commitv);
if (opt_timestamp)
timestamp = ts.tv_sec;
metadata = g_variant_ref_sink (g_variant_builder_end (&metadata_builder));
if (!ostree_repo_write_commit_with_time (dst_repo, dst_parent, subject, body, metadata,
OSTREE_REPO_FILE (dst_root),
timestamp,
&commit_checksum, cancellable, error))
return FALSE;
g_print ("%s: %s\n", dst_ref, commit_checksum);
if (!ostree_repo_load_commit (dst_repo, commit_checksum, &dst_commitv, NULL, error))
return FALSE;
/* This doesn't copy the detached metadata. I'm not sure if this is a problem.
* The main thing there is commit signatures, and we can't copy those, as the commit hash changes.
*/
if (opt_gpg_key_ids)
{
char **iter;
for (iter = opt_gpg_key_ids; iter && *iter; iter++)
{
const char *keyid = *iter;
g_autoptr(GError) my_error = NULL;
if (!ostree_repo_sign_commit (dst_repo,
commit_checksum,
keyid,
opt_gpg_homedir,
cancellable,
&my_error) &&
!g_error_matches (my_error, G_IO_ERROR, G_IO_ERROR_EXISTS))
{
g_propagate_error (error, g_steal_pointer (&my_error));
return FALSE;
}
}
}
if (dst_collection_id != NULL)
{
OstreeCollectionRef ref = { (char *) dst_collection_id, (char *) dst_ref };
ostree_repo_transaction_set_collection_ref (dst_repo, &ref, commit_checksum);
}
else
{
ostree_repo_transaction_set_ref (dst_repo, NULL, dst_ref, commit_checksum);
}
if (opt_extra_collection_ids)
{
for (j = 0; opt_extra_collection_ids[j] != NULL; j++)
{
OstreeCollectionRef ref = { (char *) opt_extra_collection_ids[j], (char *) dst_ref };
ostree_repo_transaction_set_collection_ref (dst_repo, &ref, commit_checksum);
}
}
/* Copy + Rewrite any deltas */
{
const char *from[2];
gsize j, n_from = 0;
if (dst_parent != NULL)
from[n_from++] = dst_parent;
from[n_from++] = NULL;
for (j = 0; j < n_from; j++)
{
g_autoptr(GError) local_error = NULL;
if (!rewrite_delta (src_repo, resolved_ref, dst_repo, commit_checksum, dst_commitv, from[j], &local_error))
g_debug ("Failed to copy delta: %s", local_error->message);
}
}
}
if (!ostree_repo_commit_transaction (dst_repo, NULL, cancellable, error))
return FALSE;
if (opt_update_appstream &&
!flatpak_repo_generate_appstream (dst_repo, (const char **) opt_gpg_key_ids, opt_gpg_homedir, 0, cancellable, error))
return FALSE;
if (!opt_no_update_summary &&
!flatpak_repo_update (dst_repo,
(const char **) opt_gpg_key_ids,
opt_gpg_homedir,
cancellable,
error))
return FALSE;
return TRUE;
}
gboolean
ostree_builtin_export (int argc, char **argv, GCancellable *cancellable, GError **error)
{
GOptionContext *context;
glnx_unref_object OstreeRepo *repo = NULL;
gboolean ret = FALSE;
const char *rev;
g_autoptr(GFile) root = NULL;
g_autoptr(GFile) subtree = NULL;
g_autofree char *commit = NULL;
g_autoptr(GVariant) commit_data = NULL;
struct archive *a;
OstreeRepoExportArchiveOptions opts = { 0, };
context = g_option_context_new ("COMMIT - Stream COMMIT to stdout in tar format");
if (!ostree_option_context_parse (context, options, &argc, &argv, OSTREE_BUILTIN_FLAG_NONE, &repo, cancellable, error))
goto out;
#ifdef HAVE_LIBARCHIVE
if (argc <= 1)
{
ot_util_usage_error (context, "A COMMIT argument is required", error);
goto out;
}
rev = argv[1];
a = archive_write_new ();
/* Yes, this is hardcoded for now. There is
* archive_write_set_format_filter_by_ext() but it's fairly magic.
* Many programs have support now for GNU tar, so should be a good
* default. I also don't want to lock us into everything libarchive
* supports.
*/
if (archive_write_set_format_gnutar (a) != ARCHIVE_OK)
{
propagate_libarchive_error (error, a);
goto out;
}
if (archive_write_add_filter_none (a) != ARCHIVE_OK)
{
propagate_libarchive_error (error, a);
goto out;
}
if (opt_output_path)
{
if (archive_write_open_filename (a, opt_output_path) != ARCHIVE_OK)
{
propagate_libarchive_error (error, a);
goto out;
}
}
else
{
if (archive_write_open_FILE (a, stdout) != ARCHIVE_OK)
{
propagate_libarchive_error (error, a);
goto out;
}
}
if (opt_no_xattrs)
opts.disable_xattrs = TRUE;
if (!ostree_repo_read_commit (repo, rev, &root, &commit, cancellable, error))
goto out;
if (!ostree_repo_load_variant (repo, OSTREE_OBJECT_TYPE_COMMIT, commit, &commit_data, error))
goto out;
opts.timestamp_secs = ostree_commit_get_timestamp (commit_data);
if (opt_subpath)
subtree = g_file_resolve_relative_path (root, opt_subpath);
else
subtree = g_object_ref (root);
opts.path_prefix = opt_prefix;
if (!ostree_repo_export_tree_to_archive (repo, &opts, (OstreeRepoFile*)subtree, a,
cancellable, error))
goto out;
if (archive_write_close (a) != ARCHIVE_OK)
{
propagate_libarchive_error (error, a);
goto out;
}
#else
g_set_error (error, G_IO_ERROR, G_IO_ERROR_NOT_SUPPORTED,
"This version of ostree is not compiled with libarchive support");
goto out;
#endif
ret = TRUE;
out:
if (context)
g_option_context_free (context);
return ret;
}
static gboolean
prune_commits_keep_younger_than_date (OstreeRepo *repo, const char *date, GCancellable *cancellable, GError **error)
{
g_autoptr(GHashTable) objects = NULL;
GHashTableIter hash_iter;
gpointer key, value;
struct timespec ts;
gboolean ret = FALSE;
if (!parse_datetime (&ts, date, NULL))
{
g_set_error (error, G_IO_ERROR, G_IO_ERROR_FAILED,
"Could not parse '%s'", date);
goto out;
}
if (!ot_enable_tombstone_commits (repo, error))
goto out;
if (!ostree_repo_list_objects (repo, OSTREE_REPO_LIST_OBJECTS_ALL, &objects,
cancellable, error))
goto out;
g_hash_table_iter_init (&hash_iter, objects);
while (g_hash_table_iter_next (&hash_iter, &key, &value))
{
GVariant *serialized_key = key;
const char *checksum;
OstreeObjectType objtype;
guint64 commit_timestamp;
g_autoptr(GVariant) commit = NULL;
ostree_object_name_deserialize (serialized_key, &checksum, &objtype);
if (objtype != OSTREE_OBJECT_TYPE_COMMIT)
continue;
if (!ostree_repo_load_variant (repo, OSTREE_OBJECT_TYPE_COMMIT, checksum,
&commit, error))
goto out;
commit_timestamp = ostree_commit_get_timestamp (commit);
if (commit_timestamp < ts.tv_sec)
{
if (opt_static_deltas_only)
{
if(!ostree_repo_prune_static_deltas (repo, checksum, cancellable, error))
goto out;
}
else
{
if (!ostree_repo_delete_object (repo, OSTREE_OBJECT_TYPE_COMMIT, checksum, cancellable, error))
goto out;
}
}
}
ret = TRUE;
out:
return ret;
}
