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lib/repo-pull: Improve error message when no summary is found 

In ostree_repo_remote_fetch_summary_with_options(), if no summary is
found on the server and summary verification is enabled, the error
message implies that it's the summary signature that's missing, which is
misleading. This commit adds a more specific error message for the case
of a missing summary, which has the side effect of explicitly checking
for the case that signatures != NULL && summary == NULL after
repo_remote_fetch_summary(), even though that should never happen.

One effect of this is that if you run "flatpak remote-add" with an
incorrect URL you get a more helpful error message, and similarly for
other flatpak operations and other users of ostree.

Closes: #1522
Approved by: cgwalters
This commit is contained in:
Matthew Leeds 2018-03-29 00:03:43 -07:00 committed by Atomic Bot
parent 5d84f5e102
commit b190982ee6
1 changed files with 7 additions and 0 deletions
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7
src/libostree/ostree-repo-pull.c
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@ -5784,6 +5784,13 @@ ostree_repo_remote_fetch_summary_with_options (OstreeRepo *self,
if (!ostree_repo_remote_get_gpg_verify_summary (self, name, &gpg_verify_summary, error))
goto out;
if (gpg_verify_summary && summary == NULL)
{
g_set_error (error, G_IO_ERROR, G_IO_ERROR_NOT_FOUND,
"GPG verification enabled, but no summary found (check that the configured URL in remote config is correct)");
goto out;
}
if (gpg_verify_summary && signatures == NULL)
{
g_set_error (error, OSTREE_GPG_ERROR, OSTREE_GPG_ERROR_NO_SIGNATURE,