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g_file_copy: Fall back to pathname queryinfo to help gvfs backends

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It's not difficult to do; not all backends implement it, and for some
it may be difficult to implement query_info_on_read(), so let's just
do both.

https://bugzilla.gnome.org/show_bug.cgi?id=706254
This commit is contained in:
Colin Walters 2013-10-16 10:10:22 -04:00
parent 4fea5c0029
commit be2656f139
1 changed files with 22 additions and 1 deletions
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23
gio/gfile.c
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@ -3112,6 +3112,8 @@ file_copy_fallback (GFile *source,
if (attrs_to_read != NULL)
{
GError *tmp_error = NULL;
/* Ok, ditch the previous lightweight info (on Unix we just
* called lstat()); at this point we gather all the information
* we need about the source from the opened file descriptor.
@ -3119,7 +3121,26 @@ file_copy_fallback (GFile *source,
g_object_unref (info);
info = g_file_input_stream_query_info (file_in, attrs_to_read,
cancellable, error);
cancellable, &tmp_error);
if (!info)
{
/* Not all gvfs backends implement query_info_on_read(), we
* can just fall back to the pathname again.
* https://bugzilla.gnome.org/706254
*/
if (g_error_matches (tmp_error, G_IO_ERROR, G_IO_ERROR_NOT_SUPPORTED))
{
g_clear_error (&tmp_error);
info = g_file_query_info (source, attrs_to_read, G_FILE_QUERY_INFO_NOFOLLOW_SYMLINKS,
cancellable, error);
}
else
{
g_free (attrs_to_read);
g_propagate_error (error, tmp_error);
goto out;
}
}
g_free (attrs_to_read);
if (!info)
goto out;