lib/pull: Read mode and tombstone options from summary file if possible

Otherwise, fall back to downloading and reading them from the `config`
file. See the previous commit for details.

Signed-off-by: Philip Withnall <withnall@endlessm.com>

Fixes: #2165
This commit is contained in:
Philip Withnall 2020-08-10 12:06:35 +01:00 committed by Philip Withnall
parent 206f1d3a13
commit 8d09a1a8ea

View File

@ -2001,6 +2001,8 @@ start_fetch (OtPullData *pull_data,
is_meta ? meta_fetch_on_complete : content_fetch_on_complete, fetch);
}
/* Deprecated: code should load options from the `summary` file rather than
* downloading the remotes `config` file, to save on network round trips. */
static gboolean
load_remote_repo_config (OtPullData *pull_data,
GKeyFile **out_keyfile,
@ -3757,30 +3759,6 @@ ostree_repo_pull_with_options (OstreeRepo *self,
if (!ostree_repo_open (pull_data->remote_repo_local, cancellable, error))
goto out;
}
else
{
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 (!ot_keyfile_get_boolean_with_default (remote_config, "core", "tombstone-commits", FALSE,
&pull_data->has_tombstone_commits, error))
goto out;
if (pull_data->remote_mode != OSTREE_REPO_MODE_ARCHIVE)
{
g_set_error (error, G_IO_ERROR, G_IO_ERROR_FAILED,
"Can't pull from archives with mode \"%s\"",
remote_mode_str);
goto out;
}
}
}
/* Change some option defaults if we're actually pulling from a local
@ -3854,6 +3832,8 @@ ostree_repo_pull_with_options (OstreeRepo *self,
g_autoptr(GVariant) deltas = NULL;
g_autoptr(GVariant) additional_metadata = NULL;
gboolean summary_from_cache = FALSE;
gboolean remote_mode_loaded = FALSE;
gboolean tombstone_commits = FALSE;
if (summary_sig_bytes_v)
{
@ -4167,6 +4147,46 @@ ostree_repo_pull_with_options (OstreeRepo *self,
csum_data);
}
}
if (pull_data->summary &&
g_variant_lookup (additional_metadata, OSTREE_SUMMARY_MODE, "s", &remote_mode_str) &&
g_variant_lookup (additional_metadata, OSTREE_SUMMARY_TOMBSTONE_COMMITS, "b", &tombstone_commits))
{
if (!ostree_repo_mode_from_string (remote_mode_str, &pull_data->remote_mode, error))
goto out;
pull_data->has_tombstone_commits = tombstone_commits;
remote_mode_loaded = TRUE;
}
else if (pull_data->remote_repo_local == NULL)
{
/* Fall-back path which loads the necessary config from the remotes
* `config` file. Doing so is deprecated since it means an
* additional round trip to the remote for each pull. No need to do
* it for local pulls. */
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 (!ot_keyfile_get_boolean_with_default (remote_config, "core", "tombstone-commits", FALSE,
&pull_data->has_tombstone_commits, error))
goto out;
remote_mode_loaded = TRUE;
}
if (remote_mode_loaded && pull_data->remote_repo_local == NULL && pull_data->remote_mode != OSTREE_REPO_MODE_ARCHIVE)
{
g_set_error (error, G_IO_ERROR, G_IO_ERROR_FAILED,
"Can't pull from archives with mode \"%s\"",
remote_mode_str);
goto out;
}
}
if (pull_data->is_mirror && !refs_to_fetch && !opt_collection_refs_set && !configured_branches)