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
ostree_builtin_reset (int argc,
char **argv,
OstreeCommandInvocation *invocation,
GCancellable *cancellable,
GError **error)
{
g_autoptr(GOptionContext) context = NULL;
g_autoptr(OstreeRepo) repo = NULL;
g_autoptr(GHashTable) known_refs = NULL;
gboolean ret = FALSE;
const char *ref;
const char *target = NULL;
g_autofree char *checksum = NULL;
/* FIXME: Add support for collection–refs. */
context = g_option_context_new ("REF COMMIT");
if (!ostree_option_context_parse (context, options, &argc, &argv, invocation, &repo, cancellable, error))
goto out;
if (!ostree_ensure_repo_writable (repo, error))
goto out;
if (argc <= 2)
{
ot_util_usage_error (context, "A REF and COMMIT argument is required", error);
goto out;
}
ref = argv[1];
target = argv[2];
if (!ostree_repo_list_refs (repo, NULL, &known_refs, cancellable, error))
goto out;
if (!g_hash_table_contains (known_refs, ref))
{
g_set_error (error, G_IO_ERROR, G_IO_ERROR, "Invalid ref '%s'", ref);
goto out;
}
if (!ostree_repo_resolve_rev (repo, target, FALSE, &checksum, error))
goto out;
if (!ostree_repo_prepare_transaction (repo, NULL, cancellable, error))
goto out;
ostree_repo_transaction_set_ref (repo, NULL, ref, checksum);
if (!ostree_repo_commit_transaction (repo, NULL, cancellable, error))
goto out;
ret = TRUE;
out:
if (repo)
ostree_repo_abort_transaction (repo, cancellable, NULL);
return ret;
}
static gboolean
ot_static_delta_builtin_apply_offline (int argc, char **argv, GCancellable *cancellable, GError **error)
{
gboolean ret = FALSE;
const char *patharg;
g_autoptr(GFile) path = NULL;
GOptionContext *context;
glnx_unref_object OstreeRepo *repo = NULL;
context = g_option_context_new ("DELTA - Apply static delta file");
if (!ostree_option_context_parse (context, apply_offline_options, &argc, &argv, OSTREE_BUILTIN_FLAG_NONE, &repo, cancellable, error))
goto out;
if (!ostree_ensure_repo_writable (repo, error))
goto out;
if (argc < 3)
{
g_set_error_literal (error, G_IO_ERROR, G_IO_ERROR_FAILED,
"PATH must be specified");
goto out;
}
patharg = argv[2];
path = g_file_new_for_path (patharg);
if (!ostree_repo_prepare_transaction (repo, NULL, cancellable, error))
goto out;
if (!ostree_repo_static_delta_execute_offline (repo, path, TRUE, cancellable, error))
goto out;
if (!ostree_repo_commit_transaction (repo, NULL, cancellable, error))
goto out;
ret = TRUE;
out:
if (context)
g_option_context_free (context);
return ret;
}
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;
}
gboolean
ostree_builtin_prune (int argc, char **argv, GCancellable *cancellable, GError **error)
{
gboolean ret = FALSE;
GOptionContext *context;
glnx_unref_object OstreeRepo *repo = NULL;
g_autofree char *formatted_freed_size = NULL;
OstreeRepoPruneFlags pruneflags = 0;
gint n_objects_total;
gint n_objects_pruned;
guint64 objsize_total;
context = g_option_context_new ("- Search for unreachable objects");
if (!ostree_option_context_parse (context, options, &argc, &argv, OSTREE_BUILTIN_FLAG_NONE, &repo, cancellable, error))
goto out;
if (!opt_no_prune && !ostree_ensure_repo_writable (repo, error))
goto out;
if (opt_delete_commit)
{
if (opt_no_prune)
{
ot_util_usage_error (context, "Cannot specify both --delete-commit and --no-prune", error);
goto out;
}
if (opt_static_deltas_only)
{
if(!ostree_repo_prune_static_deltas (repo, opt_delete_commit, cancellable, error))
goto out;
}
else if (!delete_commit (repo, opt_delete_commit, cancellable, error))
goto out;
}
if (opt_keep_younger_than)
{
if (opt_no_prune)
{
ot_util_usage_error (context, "Cannot specify both --keep-younger-than and --no-prune", error);
goto out;
}
if (!prune_commits_keep_younger_than_date (repo, opt_keep_younger_than, cancellable, error))
goto out;
}
if (opt_refs_only)
pruneflags |= OSTREE_REPO_PRUNE_FLAGS_REFS_ONLY;
if (opt_no_prune)
pruneflags |= OSTREE_REPO_PRUNE_FLAGS_NO_PRUNE;
if (!ostree_repo_prune (repo, pruneflags, opt_depth,
&n_objects_total, &n_objects_pruned, &objsize_total,
cancellable, error))
goto out;
formatted_freed_size = g_format_size_full (objsize_total, 0);
g_print ("Total objects: %u\n", n_objects_total);
if (n_objects_pruned == 0)
g_print ("No unreachable objects\n");
else if (pruneflags & OSTREE_REPO_PRUNE_FLAGS_NO_PRUNE)
g_print ("Would delete: %u objects, freeing %s\n",
n_objects_pruned, formatted_freed_size);
else
g_print ("Deleted %u objects, %s freed\n",
n_objects_pruned, formatted_freed_size);
ret = TRUE;
out:
if (context)
g_option_context_free (context);
return ret;
}
static gboolean
ot_static_delta_builtin_generate (int argc, char **argv, GCancellable *cancellable, GError **error)
{
gboolean ret = FALSE;
GOptionContext *context;
glnx_unref_object OstreeRepo *repo = NULL;
context = g_option_context_new ("Generate static delta files");
if (!ostree_option_context_parse (context, generate_options, &argc, &argv, OSTREE_BUILTIN_FLAG_NONE, &repo, cancellable, error))
goto out;
if (!ostree_ensure_repo_writable (repo, error))
goto out;
if (argc >= 3 && opt_to_rev == NULL)
opt_to_rev = argv[2];
if (argc < 3 && opt_to_rev == NULL)
{
g_set_error_literal (error, G_IO_ERROR, G_IO_ERROR_FAILED,
"TO revision must be specified");
goto out;
}
else
{
const char *from_source;
g_autofree char *from_resolved = NULL;
g_autofree char *to_resolved = NULL;
g_autofree char *from_parent_str = NULL;
g_autoptr(GVariantBuilder) parambuilder = NULL;
g_assert (opt_to_rev);
if (opt_empty)
{
if (opt_from_rev)
{
g_set_error_literal (error, G_IO_ERROR, G_IO_ERROR_FAILED,
"Cannot specify both --empty and --from=REV");
goto out;
}
from_source = NULL;
}
else if (opt_from_rev == NULL)
{
from_parent_str = g_strconcat (opt_to_rev, "^", NULL);
from_source = from_parent_str;
}
else
{
from_source = opt_from_rev;
}
if (from_source)
{
if (!ostree_repo_resolve_rev (repo, from_source, FALSE, &from_resolved, error))
goto out;
}
if (!ostree_repo_resolve_rev (repo, opt_to_rev, FALSE, &to_resolved, error))
goto out;
parambuilder = g_variant_builder_new (G_VARIANT_TYPE ("a{sv}"));
if (opt_min_fallback_size)
g_variant_builder_add (parambuilder, "{sv}",
"min-fallback-size", g_variant_new_uint32 (g_ascii_strtoull (opt_min_fallback_size, NULL, 10)));
if (opt_max_bsdiff_size)
g_variant_builder_add (parambuilder, "{sv}",
"max-bsdiff-size", g_variant_new_uint32 (g_ascii_strtoull (opt_max_bsdiff_size, NULL, 10)));
if (opt_max_chunk_size)
g_variant_builder_add (parambuilder, "{sv}",
"max-chunk-size", g_variant_new_uint32 (g_ascii_strtoull (opt_max_chunk_size, NULL, 10)));
if (opt_disable_bsdiff)
g_variant_builder_add (parambuilder, "{sv}",
"bsdiff-enabled", g_variant_new_boolean (FALSE));
g_variant_builder_add (parambuilder, "{sv}", "verbose", g_variant_new_boolean (TRUE));
g_print ("Generating static delta:\n");
g_print (" From: %s\n", from_resolved ? from_resolved : "empty");
g_print (" To: %s\n", to_resolved);
if (!ostree_repo_static_delta_generate (repo, OSTREE_STATIC_DELTA_GENERATE_OPT_MAJOR,
from_resolved, to_resolved, NULL,
g_variant_builder_end (parambuilder),
cancellable, error))
goto out;
}
ret = TRUE;
out:
if (context)
g_option_context_free (context);
return ret;
}
gboolean
ostree_builtin_pull_local (int argc, char **argv, OstreeCommandInvocation *invocation, GCancellable *cancellable, GError **error)
{
gboolean ret = FALSE;
g_autoptr(GOptionContext) context = NULL;
g_autoptr(OstreeRepo) repo = NULL;
int i;
const char *src_repo_arg;
g_autofree char *src_repo_uri = NULL;
g_autoptr(OstreeAsyncProgress) progress = NULL;
g_autoptr(GPtrArray) refs_to_fetch = NULL;
OstreeRepoPullFlags pullflags = 0;
context = g_option_context_new ("SRC_REPO [REFS...]");
if (!ostree_option_context_parse (context, options, &argc, &argv, invocation, &repo, cancellable, error))
goto out;
if (!ostree_ensure_repo_writable (repo, error))
goto out;
if (argc < 2)
{
gchar *help = g_option_context_get_help (context, TRUE, NULL);
g_printerr ("%s\n", help);
g_free (help);
g_set_error_literal (error, G_IO_ERROR, G_IO_ERROR_FAILED,
"DESTINATION must be specified");
goto out;
}
src_repo_arg = argv[1];
if (src_repo_arg[0] == '/')
src_repo_uri = g_strconcat ("file://", src_repo_arg, NULL);
else
{
g_autofree char *cwd = g_get_current_dir ();
src_repo_uri = g_strconcat ("file://", cwd, "/", src_repo_arg, NULL);
}
if (opt_untrusted)
pullflags |= OSTREE_REPO_PULL_FLAGS_UNTRUSTED;
if (opt_bareuseronly_files)
pullflags |= OSTREE_REPO_PULL_FLAGS_BAREUSERONLY_FILES;
if (opt_disable_fsync)
ostree_repo_set_disable_fsync (repo, TRUE);
if (argc == 2)
{
g_autoptr(GFile) src_repo_path = g_file_new_for_path (src_repo_arg);
g_autoptr(OstreeRepo) src_repo = ostree_repo_new (src_repo_path);
g_autoptr(GHashTable) refs_to_clone = NULL;
refs_to_fetch = g_ptr_array_new_with_free_func (g_free);
if (!ostree_repo_open (src_repo, cancellable, error))
goto out;
/* FIXME: This should grow support for pulling refs from refs/mirrors on
* a local repository, using ostree_repo_list_collection_refs(). */
if (!ostree_repo_list_refs (src_repo, NULL, &refs_to_clone,
cancellable, error))
goto out;
{ GHashTableIter hashiter;
gpointer hkey, hvalue;
g_hash_table_iter_init (&hashiter, refs_to_clone);
while (g_hash_table_iter_next (&hashiter, &hkey, &hvalue))
g_ptr_array_add (refs_to_fetch, g_strdup (hkey));
}
g_ptr_array_add (refs_to_fetch, NULL);
}
else
{
refs_to_fetch = g_ptr_array_new ();
for (i = 2; i < argc; i++)
{
const char *ref = argv[i];
g_ptr_array_add (refs_to_fetch, (char*)ref);
}
g_ptr_array_add (refs_to_fetch, NULL);
}
{ GVariantBuilder builder;
g_autoptr(GVariant) opts = NULL;
g_auto(GLnxConsoleRef) console = { 0, };
glnx_console_lock (&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*) refs_to_fetch->pdata, -1)));
if (opt_remote)
g_variant_builder_add (&builder, "{s@v}", "override-remote-name",
g_variant_new_variant (g_variant_new_string (opt_remote)));
g_variant_builder_add (&builder, "{s@v}", "require-static-deltas",
g_variant_new_variant (g_variant_new_boolean (opt_require_static_deltas)));
if (opt_gpg_verify)
g_variant_builder_add (&builder, "{s@v}", "gpg-verify",
g_variant_new_variant (g_variant_new_boolean (TRUE)));
if (opt_gpg_verify_summary)
g_variant_builder_add (&builder, "{s@v}", "gpg-verify-summary",
g_variant_new_variant (g_variant_new_boolean (TRUE)));
g_variant_builder_add (&builder, "{s@v}", "depth",
g_variant_new_variant (g_variant_new_int32 (opt_depth)));
if (console.is_tty)
progress = ostree_async_progress_new_and_connect (ostree_repo_pull_default_console_progress_changed, &console);
else
progress = ostree_async_progress_new_and_connect (noninteractive_console_progress_changed, &console);
opts = g_variant_ref_sink (g_variant_builder_end (&builder));
if (!ostree_repo_pull_with_options (repo, src_repo_uri,
opts,
progress,
cancellable, error))
goto out;
if (!console.is_tty)
{
g_assert (progress);
const char *status = ostree_async_progress_get_status (progress);
if (status)
g_print ("%s\n", status);
}
ostree_async_progress_finish (progress);
}
ret = TRUE;
out:
if (repo)
ostree_repo_abort_transaction (repo, cancellable, NULL);
return ret;
}
/* 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;
}