static gboolean
write_checksum_file_at (OstreeRepo *self,
int dfd,
const char *name,
const char *sha256,
GCancellable *cancellable,
GError **error)
{
gboolean ret = FALSE;
const char *lastslash;
if (!ostree_validate_checksum_string (sha256, error))
goto out;
if (ostree_validate_checksum_string (name, NULL))
{
g_set_error (error, G_IO_ERROR, G_IO_ERROR_FAILED,
"Rev name '%s' looks like a checksum", name);
goto out;
}
if (!*name)
{
g_set_error (error, G_IO_ERROR, G_IO_ERROR_FAILED,
"Invalid empty ref name");
goto out;
}
lastslash = strrchr (name, '/');
if (lastslash)
{
char *parent = strdupa (name);
parent[lastslash - name] = '\0';
if (!glnx_shutil_mkdir_p_at (dfd, parent, 0777, cancellable, error))
goto out;
}
{
size_t l = strlen (sha256);
char *bufnl = alloca (l + 2);
memcpy (bufnl, sha256, l);
bufnl[l] = '\n';
bufnl[l+1] = '\0';
if (!_ostree_repo_file_replace_contents (self, dfd, name, (guint8*)bufnl, l + 1,
cancellable, error))
goto out;
}
ret = TRUE;
out:
return ret;
}
static gboolean
fetch_ref_contents (OtPullData *pull_data,
const char *ref,
char **out_contents,
GCancellable *cancellable,
GError **error)
{
gboolean ret = FALSE;
gs_free char *ret_contents = NULL;
SoupURI *target_uri = NULL;
target_uri = suburi_new (pull_data->base_uri, "refs", "heads", ref, NULL);
if (!fetch_uri_contents_utf8_sync (pull_data, target_uri, &ret_contents, cancellable, error))
goto out;
g_strchomp (ret_contents);
if (!ostree_validate_checksum_string (ret_contents, error))
goto out;
ret = TRUE;
ot_transfer_out_value (out_contents, &ret_contents);
out:
if (target_uri)
soup_uri_free (target_uri);
return ret;
}
static gboolean
parse_bootdir_name (const char *name,
char **out_osname,
char **out_csum)
{
const char *lastdash;
if (out_osname)
*out_osname = NULL;
if (out_csum)
*out_csum = NULL;
lastdash = strrchr (name, '-');
if (!lastdash)
return FALSE;
if (!ostree_validate_checksum_string (lastdash + 1, NULL))
return FALSE;
if (out_osname)
*out_osname = g_strndup (name, lastdash - name);
if (out_csum)
*out_csum = g_strdup (lastdash + 1);
return TRUE;
}
static gboolean
parse_rev_file (OstreeRepo *self,
GFile *f,
char **sha256,
GError **error)
{
gboolean ret = FALSE;
GError *temp_error = NULL;
gs_free char *rev = NULL;
if ((rev = gs_file_load_contents_utf8 (f, NULL, &temp_error)) == NULL)
goto out;
if (rev == NULL)
{
if (g_error_matches (temp_error, G_FILE_ERROR, G_FILE_ERROR_NOENT))
{
g_clear_error (&temp_error);
}
else
{
g_propagate_error (error, temp_error);
goto out;
}
}
else
{
g_strchomp (rev);
}
if (g_str_has_prefix (rev, "ref: "))
{
gs_unref_object GFile *ref = NULL;
char *ref_sha256;
gboolean subret;
ref = g_file_resolve_relative_path (self->local_heads_dir, rev + 5);
subret = parse_rev_file (self, ref, &ref_sha256, error);
if (!subret)
{
g_free (ref_sha256);
goto out;
}
g_free (rev);
rev = ref_sha256;
}
else
{
if (!ostree_validate_checksum_string (rev, error))
goto out;
}
ot_transfer_out_value(sha256, &rev);
ret = TRUE;
out:
return ret;
}
/**
* rpmostreed_parse_revision:
* @revision: Revision string
* @out_checksum: (out) (allow-none): Commit checksum, or %NULL
* @out_version: (out) (allow-none): Version value, or %NULL
* @error: Error
*
* Determines @revision to either be a SHA256 checksum or a version metadata
* value, sets one of @out_checksum or @out_version appropriately, and then
* returns %TRUE.
*
* The @revision string may have a "revision=" prefix to denote a SHA256
* checksum, or a "version=" prefix to denote a version metadata value. If
* the @revision string lacks either prefix, the function attempts to infer
* the type of revision. The prefixes are case-insensitive.
*
* The only possible error is if a "revision=" prefix is given, but the
* rest of the string is not a valid SHA256 checksum. In that case the
* function sets @error and returns %FALSE.
*
* Returns: %TRUE on success, %FALSE of failure
*/
gboolean
rpmostreed_parse_revision (const char *revision,
char **out_checksum,
char **out_version,
GError **error)
{
const char *checksum = NULL;
const char *version = NULL;
gboolean ret = FALSE;
g_return_val_if_fail (revision != NULL, FALSE);
if (g_ascii_strncasecmp (revision, "revision=", 9) == 0)
{
checksum = revision + 9;
/* Since this claims to be a checksum, fail if it isn't. */
if (!ostree_validate_checksum_string (checksum, error))
goto out;
}
else if (g_ascii_strncasecmp (revision, "version=", 8) == 0)
{
version = revision + 8;
}
else if (ostree_validate_checksum_string (revision, NULL))
{
/* If it looks like a checksum, assume it is. */
checksum = revision;
}
else
{
/* Treat anything else as a version metadata value. */
version = revision;
}
if (out_checksum != NULL)
*out_checksum = g_strdup (checksum);
if (out_version != NULL)
*out_version = g_strdup (version);
ret = TRUE;
out:
return ret;
}
static gboolean
parse_ref_summary (const char *contents,
GHashTable **out_refs,
GError **error)
{
gboolean ret = FALSE;
gs_unref_hashtable GHashTable *ret_refs = NULL;
char **lines = NULL;
char **iter = NULL;
char *ref = NULL;
char *sha256 = NULL;
ret_refs = g_hash_table_new_full (g_str_hash, g_str_equal, g_free, g_free);
lines = g_strsplit_set (contents, "\n", -1);
for (iter = lines; *iter; iter++)
{
const char *line = *iter;
const char *spc;
if (!*line)
continue;
spc = strchr (line, ' ');
if (!spc)
{
g_set_error (error, G_IO_ERROR, G_IO_ERROR_FAILED,
"Invalid ref summary file; missing ' ' in line");
goto out;
}
g_free (ref);
ref = g_strdup (spc + 1);
if (!ostree_validate_rev (ref, error))
goto out;
g_free (sha256);
sha256 = g_strndup (line, spc - line);
if (!ostree_validate_checksum_string (sha256, error))
goto out;
g_hash_table_replace (ret_refs, ref, sha256);
/* Transfer ownership */
ref = NULL;
sha256 = NULL;
}
ret = TRUE;
ot_transfer_out_value (out_refs, &ret_refs);
out:
g_strfreev (lines);
return ret;
}
gboolean
ostree_repo_pull (OstreeRepo *self,
const char *remote_name,
char **refs_to_fetch,
OstreeRepoPullFlags flags,
OstreeAsyncProgress *progress,
GCancellable *cancellable,
GError **error)
{
gboolean ret = FALSE;
GHashTableIter hash_iter;
gpointer key, value;
gboolean tls_permissive = FALSE;
OstreeFetcherConfigFlags fetcher_flags = 0;
gs_free char *remote_key = NULL;
gs_free char *path = NULL;
gs_free char *baseurl = NULL;
gs_free char *summary_data = NULL;
gs_unref_hashtable GHashTable *requested_refs_to_fetch = NULL;
gs_unref_hashtable GHashTable *updated_refs = NULL;
gs_unref_hashtable GHashTable *commits_to_fetch = NULL;
gs_free char *remote_mode_str = NULL;
GSource *queue_src = NULL;
OtPullData pull_data_real = { 0, };
OtPullData *pull_data = &pull_data_real;
SoupURI *summary_uri = NULL;
GKeyFile *config = NULL;
GKeyFile *remote_config = NULL;
char **configured_branches = NULL;
guint64 bytes_transferred;
guint64 start_time;
guint64 end_time;
pull_data->async_error = error;
pull_data->main_context = g_main_context_ref_thread_default ();
pull_data->loop = g_main_loop_new (pull_data->main_context, FALSE);
pull_data->flags = flags;
pull_data->repo = self;
pull_data->progress = progress;
pull_data->scanned_metadata = g_hash_table_new_full (ostree_hash_object_name, g_variant_equal,
(GDestroyNotify)g_variant_unref, NULL);
pull_data->requested_content = g_hash_table_new_full (g_str_hash, g_str_equal,
(GDestroyNotify)g_free, NULL);
pull_data->requested_metadata = g_hash_table_new_full (g_str_hash, g_str_equal,
(GDestroyNotify)g_free, NULL);
start_time = g_get_monotonic_time ();
pull_data->remote_name = g_strdup (remote_name);
config = ostree_repo_get_config (self);
remote_key = g_strdup_printf ("remote \"%s\"", pull_data->remote_name);
if (!repo_get_string_key_inherit (self, remote_key, "url", &baseurl, error))
goto out;
pull_data->base_uri = soup_uri_new (baseurl);
#ifdef HAVE_GPGME
if (!ot_keyfile_get_boolean_with_default (config, remote_key, "gpg-verify",
TRUE, &pull_data->gpg_verify, error))
goto out;
#else
pull_data->gpg_verify = FALSE;
#endif
if (!ot_keyfile_get_boolean_with_default (config, remote_key, "tls-permissive",
FALSE, &tls_permissive, error))
goto out;
if (tls_permissive)
fetcher_flags |= OSTREE_FETCHER_FLAGS_TLS_PERMISSIVE;
pull_data->fetcher = ostree_fetcher_new (pull_data->repo->tmp_dir,
fetcher_flags);
if (!pull_data->base_uri)
{
g_set_error (error, G_IO_ERROR, G_IO_ERROR_FAILED,
"Failed to parse url '%s'", baseurl);
goto out;
}
if (!load_remote_repo_config (pull_data, &remote_config, cancellable, error))
goto out;
if (!ot_keyfile_get_value_with_default (remote_config, "core", "mode", "bare",
&remote_mode_str, error))
goto out;
if (!ostree_repo_mode_from_string (remote_mode_str, &pull_data->remote_mode, error))
goto out;
if (pull_data->remote_mode != OSTREE_REPO_MODE_ARCHIVE_Z2)
{
g_set_error (error, G_IO_ERROR, G_IO_ERROR_FAILED,
"Can't pull from archives with mode \"%s\"",
remote_mode_str);
goto out;
}
requested_refs_to_fetch = g_hash_table_new_full (g_str_hash, g_str_equal, g_free, g_free);
updated_refs = g_hash_table_new_full (g_str_hash, g_str_equal, g_free, g_free);
commits_to_fetch = g_hash_table_new_full (g_str_hash, g_str_equal, g_free, NULL);
if (refs_to_fetch != NULL)
{
char **strviter;
for (strviter = refs_to_fetch; *strviter; strviter++)
{
const char *branch = *strviter;
char *contents;
if (ostree_validate_checksum_string (branch, NULL))
{
char *key = g_strdup (branch);
g_hash_table_insert (commits_to_fetch, key, key);
}
else
{
if (!fetch_ref_contents (pull_data, branch, &contents, cancellable, error))
goto out;
/* Transfer ownership of contents */
g_hash_table_insert (requested_refs_to_fetch, g_strdup (branch), contents);
}
}
}
else
{
GError *temp_error = NULL;
gboolean fetch_all_refs;
configured_branches = g_key_file_get_string_list (config, remote_key, "branches", NULL, &temp_error);
if (configured_branches == NULL && temp_error != NULL)
{
if (g_error_matches (temp_error, G_KEY_FILE_ERROR, G_KEY_FILE_ERROR_KEY_NOT_FOUND))
{
g_clear_error (&temp_error);
fetch_all_refs = TRUE;
}
else
{
g_propagate_error (error, temp_error);
goto out;
}
}
else
fetch_all_refs = FALSE;
if (fetch_all_refs)
{
summary_uri = soup_uri_copy (pull_data->base_uri);
path = g_build_filename (soup_uri_get_path (summary_uri), "refs", "summary", NULL);
soup_uri_set_path (summary_uri, path);
if (!fetch_uri_contents_utf8_sync (pull_data, summary_uri, &summary_data, cancellable, error))
goto out;
if (!parse_ref_summary (summary_data, &requested_refs_to_fetch, error))
goto out;
}
else
{
char **branches_iter = configured_branches;
if (!(branches_iter && *branches_iter))
g_print ("No configured branches for remote %s\n", pull_data->remote_name);
for (;branches_iter && *branches_iter; branches_iter++)
{
const char *branch = *branches_iter;
char *contents;
if (!fetch_ref_contents (pull_data, branch, &contents, cancellable, error))
goto out;
/* Transfer ownership of contents */
g_hash_table_insert (requested_refs_to_fetch, g_strdup (branch), contents);
}
}
}
if (!ostree_repo_prepare_transaction (pull_data->repo, &pull_data->transaction_resuming,
cancellable, error))
goto out;
pull_data->metadata_objects_to_fetch = ot_waitable_queue_new ();
pull_data->metadata_objects_to_scan = ot_waitable_queue_new ();
pull_data->metadata_thread = g_thread_new ("metadatascan", metadata_thread_main, pull_data);
g_hash_table_iter_init (&hash_iter, commits_to_fetch);
while (g_hash_table_iter_next (&hash_iter, &key, &value))
{
const char *commit = value;
ot_waitable_queue_push (pull_data->metadata_objects_to_scan,
pull_worker_message_new (PULL_MSG_SCAN,
ostree_object_name_serialize (commit, OSTREE_OBJECT_TYPE_COMMIT)));
}
g_hash_table_iter_init (&hash_iter, requested_refs_to_fetch);
while (g_hash_table_iter_next (&hash_iter, &key, &value))
{
const char *ref = key;
const char *sha256 = value;
ot_waitable_queue_push (pull_data->metadata_objects_to_scan,
pull_worker_message_new (PULL_MSG_SCAN,
ostree_object_name_serialize (sha256, OSTREE_OBJECT_TYPE_COMMIT)));
g_hash_table_insert (updated_refs, g_strdup (ref), g_strdup (sha256));
}
{
queue_src = ot_waitable_queue_create_source (pull_data->metadata_objects_to_fetch);
g_source_set_callback (queue_src, (GSourceFunc)on_metadata_objects_to_fetch_ready, pull_data, NULL);
g_source_attach (queue_src, pull_data->main_context);
g_source_unref (queue_src);
}
/* Prime the message queue */
pull_data->idle_serial++;
ot_waitable_queue_push (pull_data->metadata_objects_to_scan,
pull_worker_message_new (PULL_MSG_MAIN_IDLE, GUINT_TO_POINTER (pull_data->idle_serial)));
/* Now await work completion */
if (!run_mainloop_monitor_fetcher (pull_data))
goto out;
g_hash_table_iter_init (&hash_iter, updated_refs);
while (g_hash_table_iter_next (&hash_iter, &key, &value))
{
const char *ref = key;
const char *checksum = value;
gs_free char *remote_ref = NULL;
gs_free char *original_rev = NULL;
remote_ref = g_strdup_printf ("%s/%s", pull_data->remote_name, ref);
if (!ostree_repo_resolve_rev (pull_data->repo, remote_ref, TRUE, &original_rev, error))
goto out;
if (original_rev && strcmp (checksum, original_rev) == 0)
{
g_print ("remote %s is unchanged from %s\n", remote_ref, original_rev);
}
else
{
ostree_repo_transaction_set_ref (pull_data->repo, pull_data->remote_name, ref, checksum);
g_print ("remote %s is now %s\n", remote_ref, checksum);
}
}
if (!ostree_repo_commit_transaction (pull_data->repo, NULL, cancellable, error))
goto out;
end_time = g_get_monotonic_time ();
bytes_transferred = ostree_fetcher_bytes_transferred (pull_data->fetcher);
if (bytes_transferred > 0)
{
guint shift;
if (bytes_transferred < 1024)
shift = 1;
else
shift = 1024;
g_print ("%u metadata, %u content objects fetched; %" G_GUINT64_FORMAT " %s transferred in %u seconds\n",
pull_data->n_fetched_metadata, pull_data->n_fetched_content,
(guint64)(bytes_transferred / shift),
shift == 1 ? "B" : "KiB",
(guint) ((end_time - start_time) / G_USEC_PER_SEC));
}
ret = TRUE;
out:
if (pull_data->main_context)
g_main_context_unref (pull_data->main_context);
if (pull_data->loop)
g_main_loop_unref (pull_data->loop);
g_strfreev (configured_branches);
g_clear_object (&pull_data->fetcher);
g_free (pull_data->remote_name);
if (pull_data->base_uri)
soup_uri_free (pull_data->base_uri);
if (queue_src)
g_source_destroy (queue_src);
if (pull_data->metadata_thread)
{
ot_waitable_queue_push (pull_data->metadata_objects_to_scan,
pull_worker_message_new (PULL_MSG_QUIT, NULL));
g_thread_join (pull_data->metadata_thread);
}
g_clear_pointer (&pull_data->metadata_objects_to_scan, (GDestroyNotify) ot_waitable_queue_unref);
g_clear_pointer (&pull_data->metadata_objects_to_fetch, (GDestroyNotify) ot_waitable_queue_unref);
g_clear_pointer (&pull_data->scanned_metadata, (GDestroyNotify) g_hash_table_unref);
g_clear_pointer (&pull_data->requested_content, (GDestroyNotify) g_hash_table_unref);
g_clear_pointer (&pull_data->requested_metadata, (GDestroyNotify) g_hash_table_unref);
g_clear_pointer (&remote_config, (GDestroyNotify) g_key_file_unref);
if (summary_uri)
soup_uri_free (summary_uri);
return ret;
}
/**
* ostree_repo_resolve_rev:
* @self: Repo
* @refspec: A refspec
* @allow_noent: Do not throw an error if refspec does not exist
* @out_rev: (out) (transfer full): A checksum,or %NULL if @allow_noent is true and it does not exist
* @error: Error
*
* Look up the given refspec, returning the checksum it references in
* the parameter @out_rev.
*/
gboolean
ostree_repo_resolve_rev (OstreeRepo *self,
const char *refspec,
gboolean allow_noent,
char **out_rev,
GError **error)
{
gboolean ret = FALSE;
g_autofree char *ret_rev = NULL;
g_return_val_if_fail (refspec != NULL, FALSE);
if (ostree_validate_checksum_string (refspec, NULL))
{
ret_rev = g_strdup (refspec);
}
else if (!ostree_repo_resolve_partial_checksum (self, refspec, &ret_rev, error))
goto out;
if (!ret_rev)
{
if (error != NULL && *error != NULL)
goto out;
if (g_str_has_suffix (refspec, "^"))
{
g_autofree char *parent_refspec = NULL;
g_autofree char *parent_rev = NULL;
g_autoptr(GVariant) commit = NULL;
parent_refspec = g_strdup (refspec);
parent_refspec[strlen(parent_refspec) - 1] = '\0';
if (!ostree_repo_resolve_rev (self, parent_refspec, allow_noent, &parent_rev, error))
goto out;
if (!ostree_repo_load_variant (self, OSTREE_OBJECT_TYPE_COMMIT, parent_rev,
&commit, error))
goto out;
if (!(ret_rev = ostree_commit_get_parent (commit)))
{
g_set_error (error, G_IO_ERROR, G_IO_ERROR_FAILED,
"Commit %s has no parent", parent_rev);
goto out;
}
}
else
{
g_autofree char *remote = NULL;
g_autofree char *ref = NULL;
if (!ostree_parse_refspec (refspec, &remote, &ref, error))
goto out;
if (!resolve_refspec (self, remote, ref, allow_noent,
&ret_rev, error))
goto out;
}
}
ret = TRUE;
ot_transfer_out_value (out_rev, &ret_rev);
out:
return ret;
}
static gboolean
resolve_refspec (OstreeRepo *self,
const char *remote,
const char *ref,
gboolean allow_noent,
char **out_rev,
GError **error)
{
gboolean ret = FALSE;
__attribute__((unused)) GCancellable *cancellable = NULL;
GError *temp_error = NULL;
g_autofree char *ret_rev = NULL;
g_autoptr(GFile) child = NULL;
g_return_val_if_fail (ref != NULL, FALSE);
/* We intentionally don't allow a ref that looks like a checksum */
if (ostree_validate_checksum_string (ref, NULL))
{
ret_rev = g_strdup (ref);
}
else if (remote != NULL)
{
child = ot_gfile_resolve_path_printf (self->remote_heads_dir, "%s/%s",
remote, ref);
if (!g_file_query_exists (child, NULL))
g_clear_object (&child);
}
else
{
child = g_file_resolve_relative_path (self->local_heads_dir, ref);
if (!g_file_query_exists (child, NULL))
{
g_clear_object (&child);
child = g_file_resolve_relative_path (self->remote_heads_dir, ref);
if (!g_file_query_exists (child, NULL))
{
g_clear_object (&child);
if (!find_ref_in_remotes (self, ref, &child, error))
goto out;
}
}
}
if (child)
{
if ((ret_rev = gs_file_load_contents_utf8 (child, NULL, &temp_error)) == NULL)
{
g_propagate_error (error, temp_error);
g_prefix_error (error, "Couldn't open ref '%s': ", gs_file_get_path_cached (child));
goto out;
}
g_strchomp (ret_rev);
if (!ostree_validate_checksum_string (ret_rev, error))
goto out;
}
else
{
if (!resolve_refspec_fallback (self, remote, ref, allow_noent,
&ret_rev, cancellable, error))
goto out;
}
ot_transfer_out_value (out_rev, &ret_rev);
ret = TRUE;
out:
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;
g_autoptr(GHashTable) skip_list = NULL;
OstreeRepoCommitModifierFlags flags = 0;
OstreeRepoCommitModifier *modifier = NULL;
OstreeRepoTransactionStats stats;
struct CommitFilterData filter_data = { 0, };
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)
{
mode_adds = g_hash_table_new_full (g_str_hash, g_str_equal, g_free, NULL);
if (!parse_file_by_line (opt_statoverride_file, handle_statoverride_line,
mode_adds, cancellable, error))
goto out;
}
if (opt_skiplist_file)
{
skip_list = g_hash_table_new_full (g_str_hash, g_str_equal, g_free, NULL);
if (!parse_file_by_line (opt_skiplist_file, handle_skiplist_line,
skip_list, 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 || opt_orphan))
{
g_set_error_literal (error, G_IO_ERROR, G_IO_ERROR_FAILED,
"A branch must be specified with --branch, or use --orphan");
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_skiplist_file != NULL
|| opt_no_xattrs)
{
filter_data.mode_adds = mode_adds;
filter_data.skip_list = skip_list;
modifier = ostree_repo_commit_modifier_new (flags, commit_filter,
&filter_data, NULL);
}
if (opt_parent)
{
if (g_str_equal (opt_parent, "none"))
parent = NULL;
else
{
if (!ostree_validate_checksum_string (opt_parent, error))
goto out;
parent = g_strdup (opt_parent);
}
}
else if (!opt_orphan)
{
if (!ostree_repo_resolve_rev (repo, opt_branch, TRUE, &parent, error))
{
if (g_error_matches (*error, G_IO_ERROR, G_IO_ERROR_IS_DIRECTORY))
{
/* A folder exists with the specified ref name,
* which is handled by _ostree_repo_write_ref */
g_clear_error (error);
}
else goto out;
}
}
if (opt_editor)
{
if (!commit_editor (repo, opt_branch, &opt_subject, &opt_body, cancellable, error))
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))
{
if (!ostree_repo_write_dfd_to_mtree (repo, AT_FDCWD, ".", 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)
{
if (!ostree_repo_write_dfd_to_mtree (repo, AT_FDCWD, tree, 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);
if (!ostree_repo_write_dfd_to_mtree (repo, AT_FDCWD, argv[1], 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 (skip_list && g_hash_table_size (skip_list) > 0)
{
GHashTableIter hash_iter;
gpointer key;
g_hash_table_iter_init (&hash_iter, skip_list);
while (g_hash_table_iter_next (&hash_iter, &key, NULL))
{
g_printerr ("Unmatched skip-list path: %s\n", (char*)key);
}
g_set_error (error, G_IO_ERROR, G_IO_ERROR_FAILED,
"Unmatched skip-list 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;
guint64 timestamp;
if (!opt_timestamp)
{
GDateTime *now = g_date_time_new_now_utc ();
timestamp = g_date_time_to_unix (now);
g_date_time_unref (now);
if (!ostree_repo_write_commit (repo, parent, opt_subject, opt_body, metadata,
OSTREE_REPO_FILE (root),
&commit_checksum, cancellable, error))
goto out;
}
else
{
struct timespec ts;
if (!parse_datetime (&ts, opt_timestamp, NULL))
{
g_set_error (error, G_IO_ERROR, G_IO_ERROR_FAILED,
"Could not parse '%s'", opt_timestamp);
goto out;
}
timestamp = ts.tv_sec;
if (!ostree_repo_write_commit_with_time (repo, parent, opt_subject, opt_body, metadata,
OSTREE_REPO_FILE (root),
timestamp,
&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;
}
}
if (opt_branch)
ostree_repo_transaction_set_ref (repo, NULL, opt_branch, commit_checksum);
else
g_assert (opt_orphan);
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;
}
static gboolean
write_checksum_file (GFile *parentdir,
const char *name,
const char *sha256,
GCancellable *cancellable,
GError **error)
{
gboolean ret = FALSE;
gsize bytes_written;
int i;
gs_unref_object GFile *parent = NULL;
gs_unref_object GFile *child = NULL;
gs_unref_object GOutputStream *out = NULL;
gs_unref_ptrarray GPtrArray *components = NULL;
if (!ostree_validate_checksum_string (sha256, error))
goto out;
if (ostree_validate_checksum_string (name, NULL))
{
g_set_error (error, G_IO_ERROR, G_IO_ERROR_FAILED,
"Rev name '%s' looks like a checksum", name);
goto out;
}
if (!ot_util_path_split_validate (name, &components, error))
goto out;
if (components->len == 0)
{
g_set_error (error, G_IO_ERROR, G_IO_ERROR_FAILED,
"Invalid empty ref name");
goto out;
}
parent = g_object_ref (parentdir);
for (i = 0; i+1 < components->len; i++)
{
child = g_file_get_child (parent, (char*)components->pdata[i]);
if (!gs_file_ensure_directory (child, FALSE, cancellable, error))
goto out;
g_clear_object (&parent);
parent = child;
child = NULL;
}
child = g_file_get_child (parent, components->pdata[components->len - 1]);
if ((out = (GOutputStream*)g_file_replace (child, NULL, FALSE, 0, cancellable, error)) == NULL)
goto out;
if (!g_output_stream_write_all (out, sha256, strlen (sha256), &bytes_written, cancellable, error))
goto out;
if (!g_output_stream_write_all (out, "\n", 1, &bytes_written, cancellable, error))
goto out;
if (!g_output_stream_close (out, cancellable, error))
goto out;
ret = TRUE;
out:
return ret;
}
static gboolean
write_checksum_file_at (OstreeRepo *self,
int dfd,
const char *name,
const char *sha256,
GCancellable *cancellable,
GError **error)
{
if (!ostree_validate_checksum_string (sha256, error))
return FALSE;
if (ostree_validate_checksum_string (name, NULL))
return glnx_throw (error, "Rev name '%s' looks like a checksum", name);
if (!*name)
return glnx_throw (error, "Invalid empty ref name");
const char *lastslash = strrchr (name, '/');
if (lastslash)
{
char *parent = strdupa (name);
parent[lastslash - name] = '\0';
if (!glnx_shutil_mkdir_p_at (dfd, parent, 0777, cancellable, error))
return FALSE;
}
{
size_t l = strlen (sha256);
char *bufnl = alloca (l + 2);
g_autoptr(GError) temp_error = NULL;
memcpy (bufnl, sha256, l);
bufnl[l] = '\n';
bufnl[l+1] = '\0';
if (!_ostree_repo_file_replace_contents (self, dfd, name, (guint8*)bufnl, l + 1,
cancellable, &temp_error))
{
if (g_error_matches (temp_error, G_IO_ERROR, G_IO_ERROR_IS_DIRECTORY))
{
g_autoptr(GHashTable) refs = NULL;
GHashTableIter hashiter;
gpointer hashkey, hashvalue;
g_clear_error (&temp_error);
if (!ostree_repo_list_refs (self, name, &refs, cancellable, error))
return FALSE;
g_hash_table_iter_init (&hashiter, refs);
while ((g_hash_table_iter_next (&hashiter, &hashkey, &hashvalue)))
{
if (strcmp (name, (char *)hashkey) != 0)
return glnx_throw (error, "Conflict: %s exists under %s when attempting write", (char*)hashkey, name);
}
if (!glnx_shutil_rm_rf_at (dfd, name, cancellable, error))
return FALSE;
if (!_ostree_repo_file_replace_contents (self, dfd, name, (guint8*)bufnl, l + 1,
cancellable, error))
return FALSE;
}
else
{
g_propagate_error (error, g_steal_pointer (&temp_error));
return FALSE;
}
}
}
return TRUE;
}
static gboolean
_ostree_repo_resolve_rev_internal (OstreeRepo *self,
const char *refspec,
gboolean allow_noent,
gboolean fallback_remote,
char **out_rev,
GError **error)
{
g_autofree char *ret_rev = NULL;
g_return_val_if_fail (refspec != NULL, FALSE);
if (ostree_validate_checksum_string (refspec, NULL))
{
ret_rev = g_strdup (refspec);
}
else if (!ostree_repo_resolve_partial_checksum (self, refspec, &ret_rev, error))
return FALSE;
if (!ret_rev)
{
if (error != NULL && *error != NULL)
return FALSE;
if (g_str_has_suffix (refspec, "^"))
{
g_autofree char *parent_refspec = NULL;
g_autofree char *parent_rev = NULL;
g_autoptr(GVariant) commit = NULL;
parent_refspec = g_strdup (refspec);
parent_refspec[strlen(parent_refspec) - 1] = '\0';
if (!ostree_repo_resolve_rev (self, parent_refspec, allow_noent, &parent_rev, error))
return FALSE;
if (!ostree_repo_load_variant (self, OSTREE_OBJECT_TYPE_COMMIT, parent_rev,
&commit, error))
return FALSE;
if (!(ret_rev = ostree_commit_get_parent (commit)))
return glnx_throw (error, "Commit %s has no parent", parent_rev);
}
else
{
g_autofree char *remote = NULL;
g_autofree char *ref = NULL;
if (!ostree_parse_refspec (refspec, &remote, &ref, error))
return FALSE;
if (!resolve_refspec (self, remote, ref, allow_noent,
fallback_remote, &ret_rev, error))
return FALSE;
}
}
ot_transfer_out_value (out_rev, &ret_rev);
return TRUE;
}
static gboolean
resolve_refspec (OstreeRepo *self,
const char *remote,
const char *ref,
gboolean allow_noent,
gboolean fallback_remote,
char **out_rev,
GError **error)
{
__attribute__((unused)) GCancellable *cancellable = NULL;
g_autofree char *ret_rev = NULL;
glnx_fd_close int target_fd = -1;
g_return_val_if_fail (ref != NULL, FALSE);
/* We intentionally don't allow a ref that looks like a checksum */
if (ostree_validate_checksum_string (ref, NULL))
{
ret_rev = g_strdup (ref);
}
else if (remote != NULL)
{
const char *remote_ref = glnx_strjoina ("refs/remotes/", remote, "/", ref);
if (!ot_openat_ignore_enoent (self->repo_dir_fd, remote_ref, &target_fd, error))
return FALSE;
}
else
{
const char *local_ref = glnx_strjoina ("refs/heads/", ref);
if (!ot_openat_ignore_enoent (self->repo_dir_fd, local_ref, &target_fd, error))
return FALSE;
if (target_fd == -1 && fallback_remote)
{
local_ref = glnx_strjoina ("refs/remotes/", ref);
if (!ot_openat_ignore_enoent (self->repo_dir_fd, local_ref, &target_fd, error))
return FALSE;
if (target_fd == -1)
{
if (!find_ref_in_remotes (self, ref, &target_fd, error))
return FALSE;
}
}
}
if (target_fd != -1)
{
ret_rev = glnx_fd_readall_utf8 (target_fd, NULL, NULL, error);
if (!ret_rev)
{
g_prefix_error (error, "Couldn't open ref '%s': ", ref);
return FALSE;
}
g_strchomp (ret_rev);
if (!ostree_validate_checksum_string (ret_rev, error))
return FALSE;
}
else
{
if (!resolve_refspec_fallback (self, remote, ref, allow_noent, fallback_remote,
&ret_rev, cancellable, error))
return FALSE;
}
ot_transfer_out_value (out_rev, &ret_rev);
return TRUE;
}
gboolean
ostree_builtin_show (int argc, char **argv, OstreeRepo *repo, GCancellable *cancellable, GError **error)
{
GOptionContext *context;
gboolean ret = FALSE;
const char *rev;
gs_free char *resolved_rev = NULL;
context = g_option_context_new ("OBJECT - Output a metadata object");
g_option_context_add_main_entries (context, options, NULL);
if (!g_option_context_parse (context, &argc, &argv, error))
goto out;
if (argc <= 1)
{
ot_util_usage_error (context, "An object argument is required", error);
goto out;
}
rev = argv[1];
if (opt_print_metadata_key || opt_print_detached_metadata_key)
{
gboolean detached = opt_print_detached_metadata_key != NULL;
const char *key = detached ? opt_print_detached_metadata_key : opt_print_metadata_key;
if (!ostree_repo_resolve_rev (repo, rev, FALSE, &resolved_rev, error))
goto out;
if (!do_print_metadata_key (repo, resolved_rev, detached, key, error))
goto out;
}
else if (opt_print_related)
{
if (!ostree_repo_resolve_rev (repo, rev, FALSE, &resolved_rev, error))
goto out;
if (!do_print_related (repo, rev, resolved_rev, error))
goto out;
}
else if (opt_print_variant_type)
{
if (!do_print_variant_generic (G_VARIANT_TYPE (opt_print_variant_type), rev, error))
goto out;
}
else
{
gboolean found = FALSE;
if (!ostree_validate_checksum_string (rev, NULL))
{
if (!ostree_repo_resolve_rev (repo, rev, FALSE, &resolved_rev, error))
goto out;
if (!print_object (repo, OSTREE_OBJECT_TYPE_COMMIT, resolved_rev, error))
goto out;
}
else
{
if (!print_if_found (repo, OSTREE_OBJECT_TYPE_COMMIT, rev,
&found, cancellable, error))
goto out;
if (!print_if_found (repo, OSTREE_OBJECT_TYPE_DIR_META, rev,
&found, cancellable, error))
goto out;
if (!print_if_found (repo, OSTREE_OBJECT_TYPE_DIR_TREE, rev,
&found, cancellable, error))
goto out;
if (!found)
{
gs_unref_object GFileInfo *finfo = NULL;
gs_unref_variant GVariant *xattrs = NULL;
GFileType filetype;
if (!ostree_repo_load_file (repo, resolved_rev, NULL, &finfo, &xattrs,
cancellable, error))
goto out;
g_print ("Object: %s\nType: %s\n", rev, ostree_object_type_to_string (OSTREE_OBJECT_TYPE_FILE));
filetype = g_file_info_get_file_type (finfo);
g_print ("File Type: ");
switch (filetype)
{
case G_FILE_TYPE_REGULAR:
g_print ("regular\n");
g_print ("Size: %" G_GUINT64_FORMAT "\n", g_file_info_get_size (finfo));
break;
case G_FILE_TYPE_SYMBOLIC_LINK:
g_print ("symlink\n");
g_print ("Target: %s\n", g_file_info_get_symlink_target (finfo));
break;
default:
g_printerr ("(unknown type %u)\n", (guint)filetype);
}
g_print ("Mode: 0%04o\n", g_file_info_get_attribute_uint32 (finfo, "unix::mode"));
g_print ("Uid: %u\n", g_file_info_get_attribute_uint32 (finfo, "unix::uid"));
g_print ("Gid: %u\n", g_file_info_get_attribute_uint32 (finfo, "unix::gid"));
g_print ("Extended Attributes: ");
if (xattrs)
{
gs_free char *xattr_string = g_variant_print (xattrs, TRUE);
g_print ("{ %s }\n", xattr_string);
}
else
{
g_print ("(none)\n");
}
}
}
}
ret = TRUE;
out:
if (context)
g_option_context_free (context);
return ret;
}
