;;; pcmpl-rpm.el --- functions for dealing with rpm completions
-;; Copyright (C) 1999-2011 Free Software Foundation, Inc.
+;; Copyright (C) 1999-2014 Free Software Foundation, Inc.
;; Package: pcomplete
(require 'pcomplete)
+(defgroup pcmpl-rpm nil
+ "Options for rpm completion."
+ :group 'pcomplete
+ :prefix "pcmpl-rpm-")
+
+;; rpm -qa can be slow. Adding --nodigest --nosignature is MUCH faster.
+(defcustom pcmpl-rpm-query-options
+ (let (opts)
+ (with-temp-buffer
+ (when (ignore-errors (call-process "rpm" nil t nil "--help"))
+ (if (search-backward "--nodigest " nil 'move)
+ (setq opts '("--nodigest")))
+ (goto-char (point-min))
+ (if (search-forward "--nosignature " nil t)
+ (push "--nosignature" opts))))
+ opts)
+ "String, or list of strings, with extra options for an rpm query command."
+ :version "24.3"
+ :type '(choice (const :tag "No options" nil)
+ (string :tag "Single option")
+ (repeat :tag "List of options" string))
+ :group 'pcmpl-rpm)
+
+(defcustom pcmpl-rpm-cache t
+ "Whether to cache the list of installed packages."
+ :version "24.3"
+ :type 'boolean
+ :group 'pcmpl-rpm)
+
+(defconst pcmpl-rpm-cache-stamp-file "/var/lib/rpm/Packages"
+ "File used to check that the list of installed packages is up-to-date.")
+
+(defvar pcmpl-rpm-cache-time nil
+ "Time at which the list of installed packages was updated.")
+
+(defvar pcmpl-rpm-packages nil
+ "List of installed packages.")
+
;; Functions:
-(defsubst pcmpl-rpm-packages ()
- (split-string (pcomplete-process-result "rpm" "-q" "-a")))
+(defun pcmpl-rpm-packages ()
+ "Return a list of all installed rpm packages."
+ (if (and pcmpl-rpm-cache
+ pcmpl-rpm-cache-time
+ (let ((mtime (nth 5 (file-attributes pcmpl-rpm-cache-stamp-file))))
+ (and mtime (not (time-less-p pcmpl-rpm-cache-time mtime)))))
+ pcmpl-rpm-packages
+ (message "Getting list of installed rpms...")
+ (setq pcmpl-rpm-cache-time (current-time)
+ pcmpl-rpm-packages
+ (split-string (apply 'pcomplete-process-result "rpm"
+ (append '("-q" "-a")
+ (if (stringp pcmpl-rpm-query-options)
+ (list pcmpl-rpm-query-options)
+ pcmpl-rpm-query-options)))))
+ (message "Getting list of installed rpms...done")
+ pcmpl-rpm-packages))
+;; Should this use pcmpl-rpm-query-options?
+;; I don't think it would speed it up at all (?).
(defun pcmpl-rpm-all-query (flag)
(message "Querying all packages with `%s'..." flag)
(let ((pkgs (pcmpl-rpm-packages))
'("--changelog"
"--dbpath"
"--dump"
+ "--file"
"--ftpport" ;nyi for the next four
"--ftpproxy"
"--httpport"
(pcomplete-here*))
((pcomplete-test "--rcfile")
(pcomplete-here* (pcomplete-entries)))
+ ((pcomplete-test "--file")
+ (pcomplete-here* (pcomplete-entries)))
((pcomplete-test "--root")
(pcomplete-here* (pcomplete-dirs)))
((pcomplete-test "--scripts")
(pcomplete-opt "af.p(pcmpl-rpm-files)ilsdcvR")
(if (pcomplete-test "-[^-]*p" 'first 1)
(pcomplete-here (pcmpl-rpm-files))
- (pcomplete-here (pcmpl-rpm-packages))))))
+ (if (pcomplete-test "-[^-]*f" 'first 1)
+ (pcomplete-here* (pcomplete-entries))
+ (pcomplete-here (pcmpl-rpm-packages)))))))
((pcomplete-test "--pipe")
(pcomplete-here* (funcall pcomplete-command-completion-function)))
((pcomplete-test "--rmsource")