Remote file name completion is also performed by auth-sources search

* doc/misc/tramp.texi (File name completion): User and host name
completion is also performed by auth-sources search.

* etc/NEWS: Document remote file name completion using auth-sources.

* lisp/net/tramp.el (tramp-completion-use-auth-sources):
New user option.
(tramp-parse-auth-sources): New defun.
(tramp-get-completion-function): Call it.

1 files changed, 8 insertions, 0 deletions

diff --git a/doc/misc/tramp.texi b/doc/misc/tramp.texi
index 128501c3908..f68205519f3 100644
--- a/doc/misc/tramp.texi
+++ b/doc/misc/tramp.texi
@@ -2538,6 +2538,14 @@ names on that host.
 When the configuration (@pxref{Customizing Completion}) includes user
 names, then the completion lists will account for the user names as well.
 
+@vindex tramp-completion-use-auth-sources
+Results from @code{auth-sources} search (@pxref{Using an
+authentication file}) are added to the completion candidates.  This
+search could be annoying, for example due to a passphrase request of
+the @file{~/.authinfo.gpg} authentication file.  The user option
+@code{tramp-completion-use-auth-sources} controls, whether such a
+search is performed during completion.
+
 Remote hosts previously visited or hosts whose connections are kept
 persistently (@pxref{Connection caching}) will be included in the
 completion lists.