master 0d493116aea: Make "toolbox" and "flatpak" multi-hop completion capable in Tramp

[Michael Albinus]

branch: master
commit 0d493116aeae3ba21982419d30e6fc12c9117c35
Author: Michael Albinus <michael.albinus@gmx.de>
Commit: Michael Albinus <michael.albinus@gmx.de>

    Make "toolbox" and "flatpak" multi-hop completion capable in Tramp
    
    * lisp/net/tramp-container.el (tramp-skeleton-completion-function):
    Bind `tramp-verbose' to 0.
    (tramp-toolbox--completion-function)
    (tramp-flatpak--completion-function): Use METHOD as argument.
    Use `tramp-skeleton-completion-function'.
    (tramp-completion-multi-hop-methods): Add "toolbox" and "flatpak".
---
 lisp/net/tramp-container.el | 73 +++++++++++++++++++++++----------------------
 1 file changed, 38 insertions(+), 35 deletions(-)

diff --git a/lisp/net/tramp-container.el b/lisp/net/tramp-container.el
index bef3b04b371..7383ea583cb 100644
--- a/lisp/net/tramp-container.el
+++ b/lisp/net/tramp-container.el
@@ -166,8 +166,10 @@ BODY is the backend specific code."
           (or (and (member ,method tramp-completion-multi-hop-methods)
                    tramp--last-hop-directory)
               tramp-compat-temporary-file-directory))
-         (program (tramp-get-method-parameter
-                   (make-tramp-file-name :method ,method) 
'tramp-login-program))
+         (program (let ((tramp-verbose 0))
+                    (tramp-get-method-parameter
+                     (make-tramp-file-name :method ,method)
+                     'tramp-login-program)))
          (vec (when (tramp-tramp-file-p default-directory)
                 (tramp-dissect-file-name default-directory)))
          non-essential)
@@ -312,49 +314,48 @@ Obey `tramp-kubernetes-context'"
    " "))
 
 ;;;###tramp-autoload
-(defun tramp-toolbox--completion-function (&rest _args)
+(defun tramp-toolbox--completion-function (method)
   "List Toolbox containers available for connection.
 
 This function is used by `tramp-set-completion-function', please
 see its function help for a description of the format."
-  (when-let ((default-directory tramp-compat-temporary-file-directory)
-            (raw-list (shell-command-to-string
-                       (concat tramp-toolbox-program " list -c")))
-            ;; Ignore header line.
-             (lines (cdr (split-string raw-list "\n" 'omit)))
-             (names (mapcar
-                    (lambda (line)
-                       (when (string-match
-                             (rx bol (1+ (not space))
-                                 (1+ space) (group (1+ (not space))) space)
-                             line)
-                        (match-string 1 line)))
-                     lines)))
-    (mapcar (lambda (name) (list nil name)) (delq nil names))))
+  (tramp-skeleton-completion-function method
+    (when-let ((raw-list (shell-command-to-string (concat program " list -c")))
+              ;; Ignore header line.
+               (lines (cdr (split-string raw-list "\n" 'omit)))
+               (names (mapcar
+                      (lambda (line)
+                        (when (string-match
+                               (rx bol (1+ (not space))
+                                   (1+ space) (group (1+ (not space))) space)
+                               line)
+                          (match-string 1 line)))
+                       lines)))
+      (mapcar (lambda (name) (list nil name)) (delq nil names)))))
 
 ;;;###tramp-autoload
-(defun tramp-flatpak--completion-function (&rest _args)
+(defun tramp-flatpak--completion-function (method)
   "List Flatpak sandboxes available for connection.
 It returns application IDs or, in case there is no application
 ID, instance IDs.
 
 This function is used by `tramp-set-completion-function', please
 see its function help for a description of the format."
-  (when-let ((default-directory tramp-compat-temporary-file-directory)
-            (raw-list
-             (shell-command-to-string
-              (concat tramp-flatpak-program
-                      " ps --columns=instance,application")))
-             (lines (split-string raw-list "\n" 'omit))
-             (names (mapcar
-                    (lambda (line)
-                       (when (string-match
-                             (rx bol (* space) (group (+ (not space)))
-                                 (? (+ space) (group (+ (not space)))) eol)
-                             line)
-                        (or (match-string 2 line) (match-string 1 line))))
-                     lines)))
-    (mapcar (lambda (name) (list nil name)) (delq nil names))))
+  (tramp-skeleton-completion-function method
+    (when-let ((raw-list
+               (shell-command-to-string
+                ;; Ignore header line.
+                (concat program " ps --columns=instance,application | cat -")))
+               (lines (split-string raw-list "\n" 'omit))
+               (names (mapcar
+                      (lambda (line)
+                        (when (string-match
+                               (rx bol (* space) (group (+ (not space)))
+                                   (? (+ space) (group (+ (not space)))) eol)
+                               line)
+                          (or (match-string 2 line) (match-string 1 line))))
+                       lines)))
+      (mapcar (lambda (name) (list nil name)) (delq nil names)))))
 
 ;;;###tramp-autoload
 (defvar tramp-default-remote-shell) ;; Silence byte compiler.
@@ -440,15 +441,17 @@ see its function help for a description of the format."
 
  (tramp-set-completion-function
   tramp-toolbox-method
-  '((tramp-toolbox--completion-function "")))
+  `((tramp-toolbox--completion-function ,tramp-toolbox-method)))
 
  (tramp-set-completion-function
   tramp-flatpak-method
-  '((tramp-flatpak--completion-function "")))
+  `((tramp-flatpak--completion-function ,tramp-flatpak-method)))
 
  (add-to-list 'tramp-completion-multi-hop-methods tramp-docker-method)
  (add-to-list 'tramp-completion-multi-hop-methods tramp-podman-method)
  (add-to-list 'tramp-completion-multi-hop-methods tramp-kubernetes-method)
+ (add-to-list 'tramp-completion-multi-hop-methods tramp-toolbox-method)
+ (add-to-list 'tramp-completion-multi-hop-methods tramp-flatpak-method)
 
  ;; Default connection-local variables for Tramp.