emacs: Remove 'generation' search type.

Use 'installed' search type instead.

* emacs/guix-main.scm (%patterns-makers): Remove 'generation'.
  (package/output-sexps): Adjust accordingly.
* emacs/guix-ui-generation.el (guix-generation-info-insert-number):
  Replace 'generation' search with 'installed'.
  (guix-generation-list-show-packages): Likewise.
* emacs/guix-messages.el (guix-messages): Remove 'generation'.

emacs/guix-main.scm

@@ -668,7 +668,6 @@ ENTRIES is a list of installed manifest entries."
        (id               . ,(apply-to-rest ids->package-patterns))
        (name             . ,(apply-to-rest specifications->package-patterns))
        (installed        . ,manifest-package-proc)
-       (generation       . ,manifest-package-proc)
        (obsolete         . ,(apply-to-first obsolete-package-patterns))
        (regexp           . ,regexp-proc)
        (all-available    . ,all-proc)
@@ -677,7 +676,6 @@ ENTRIES is a list of installed manifest entries."
        (id               . ,(apply-to-rest ids->output-patterns))
        (name             . ,(apply-to-rest specifications->output-patterns))
        (installed        . ,manifest-output-proc)
-       (generation       . ,manifest-output-proc)
        (obsolete         . ,(apply-to-first obsolete-output-patterns))
        (regexp           . ,regexp-proc)
        (all-available    . ,all-proc)
@@ -692,10 +690,7 @@ ENTRIES is a list of installed manifest entries."
                               search-type search-vals)
   "Return information about packages or package outputs.
 See 'entry-sexps' for details."
-  (let* ((profile (if (eq? search-type 'generation)
+  (let* ((manifest (profile-manifest profile))
-                      (generation-file-name profile (car search-vals))
-                      profile))
-         (manifest (profile-manifest profile))
          (patterns (if (and (eq? entry-type 'output)
                             (eq? search-type 'profile-diff))
                        (match search-vals

emacs/guix-messages.el

@@ -55,14 +55,7 @@
      (obsolete
       (0 "No obsolete packages in profile '%s'." profile)
       (1 "A single obsolete package in profile '%s'." profile)
-      (many "%d obsolete packages in profile '%s'." count profile))
+      (many "%d obsolete packages in profile '%s'." count profile)))
-     (generation
-      (0 "No packages installed in generation %d of profile '%s'."
-         val profile)
-      (1 "A single package installed in generation %d of profile '%s'."
-         val profile)
-      (many "%d packages installed in generation %d of profile '%s'."
-            count val profile)))
 
     (output
      (id
@@ -91,13 +84,6 @@
       (0 "No obsolete package outputs in profile '%s'." profile)
       (1 "A single obsolete package output in profile '%s'." profile)
       (many "%d obsolete package outputs in profile '%s'." count profile))
-     (generation
-      (0 "No package outputs installed in generation %d of profile '%s'."
-         val profile)
-      (1 "A single package output installed in generation %d of profile '%s'."
-         val profile)
-      (many "%d package outputs installed in generation %d of profile '%s'."
-            count val profile))
      (profile-diff
       guix-message-outputs-by-diff))
 

emacs/guix-ui-generation.el

@@ -127,8 +127,9 @@ current profile's GENERATION."
    (lambda (btn)
      (guix-buffer-get-display-entries
       'list guix-package-list-type
-      (list (guix-ui-current-profile)
+      (list (guix-generation-current-packages-profile
-            'generation (button-get btn 'number))
+             (button-get btn 'number))
+            'installed)
       'add))
    "Show installed packages for this generation"
    'number number)
@@ -202,8 +203,8 @@ VAL is a boolean value."
   "List installed packages for the generation at point."
   (interactive)
   (guix-package-get-display
-   (guix-ui-current-profile)
+   (guix-generation-current-packages-profile (guix-list-current-id))
-   'generation (guix-list-current-id)))
+   'installed))
 
 (defun guix-generation-list-generations-to-compare ()
   "Return a sorted list of 2 marked generations for comparing."