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emacs/lisp/pcmpl-rpm.el
Paul Eggert 7e09ef09a4 Update copyright year to 2015 
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2015-01-01 14:26:41 -08:00

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;;; pcmpl-rpm.el --- functions for dealing with rpm completions
;; Copyright (C) 1999-2015 Free Software Foundation, Inc.
;; Package: pcomplete
;; This file is part of GNU Emacs.
;; GNU Emacs is free software: you can redistribute it and/or modify
;; it under the terms of the GNU General Public License as published by
;; the Free Software Foundation, either version 3 of the License, or
;; (at your option) any later version.
;; GNU Emacs is distributed in the hope that it will be useful,
;; but WITHOUT ANY WARRANTY; without even the implied warranty of
;; MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
;; GNU General Public License for more details.
;; You should have received a copy of the GNU General Public License
;; along with GNU Emacs. If not, see <http://www.gnu.org/licenses/>.
;;; Commentary:
;; These functions provide completion rules for the `rpm' command.
;;; Code:
(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:
(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))
(provs (list t)))
(while pkgs
(nconc provs (split-string
(pcomplete-process-result
"rpm" "-q" (car pkgs) flag)))
(setq pkgs (cdr pkgs)))
(pcomplete-uniqify-list (cdr provs))))
(defsubst pcmpl-rpm-files ()
(pcomplete-dirs-or-entries "\\.rpm\\'"))
;;;###autoload
(defun pcomplete/rpm ()
"Completion for the `rpm' command."
;; Originally taken from the output of `rpm --help' on a Red Hat 6.1 system.
(let (mode)
(while (<= pcomplete-index pcomplete-last)
(unless mode
(if (pcomplete-match "^--\\(.*\\)" 0)
(pcomplete-here*
'("--addsign"
"--checksig"
"--erase"
"--help"
"--initdb"
"--install"
"--pipe"
"--querytags"
"--rebuild"
"--rebuilddb"
"--recompile"
"--resign"
"--rmsource"
"--setperms"
"--setugids"
"--upgrade"
"--verify"
"--version"))
(pcomplete-opt "vqVyiUebtK")))
; -b<stage> <spec>
; -t<stage> <tarball> - build package, where <stage> is one of:
; p - prep (unpack sources and apply patches)
; l - list check (do some cursory checks on %files)
; c - compile (prep and compile)
; i - install (prep, compile, install)
; b - binary package (prep, compile, install, package)
; a - bin/src package (prep, compile, install, package)
(cond
((or (eq mode 'query)
(pcomplete-match "-[^-]*q"))
(setq mode 'query)
(if (pcomplete-match "^--\\(.*\\)" 0)
(progn
(pcomplete-here*
'("--changelog"
"--dbpath"
"--dump"
"--file"
"--ftpport" ;nyi for the next four
"--ftpproxy"
"--httpport"
"--httpproxy"
"--provides"
"--queryformat"
"--rcfile"
"--requires"
"--root"
"--scripts"
"--triggeredby"
"--whatprovides"
"--whatrequires"))
(cond
((pcomplete-test "--dbpath")
(pcomplete-here* (pcomplete-dirs)))
((pcomplete-test "--queryformat")
(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")
(if (pcomplete-match "^--\\(.*\\)" 0)
(pcomplete-here* '("--triggers"))))
((pcomplete-test "--triggeredby")
(pcomplete-here* (pcmpl-rpm-packages)))
((pcomplete-test "--whatprovides")
(pcomplete-here*
(pcmpl-rpm-all-query "--provides")))
((pcomplete-test "--whatrequires")
(pcomplete-here*
(pcmpl-rpm-all-query "--requires")))))
(if (pcomplete-match "^-" 0)
(pcomplete-opt "af.p(pcmpl-rpm-files)ilsdcvR")
(if (pcomplete-test "-[^-]*p" 'first 1)
(pcomplete-here (pcmpl-rpm-files))
(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")
(pcomplete-here* (pcomplete-entries))
(throw 'pcomplete-completions nil))
((pcomplete-match "\\`--re\\(build\\|compile\\)\\'")
(pcomplete-here (pcmpl-rpm-files))
(throw 'pcomplete-completions nil))
((pcomplete-match "\\`--\\(resign\\|addsign\\)\\'")
(while (pcomplete-here (pcmpl-rpm-files))))
((or (eq mode 'checksig)
(pcomplete-test "--checksig"))
(setq mode 'checksig)
(if (pcomplete-match "^--\\(.*\\)" 0)
(progn
(pcomplete-here*
'("--nopgp"
"--nogpg"
"--nomd5"
"--rcfile"))
(cond
((pcomplete-test "--rcfile")
(pcomplete-here* (pcomplete-entries)))))
(if (pcomplete-match "^-" 0)
(pcomplete-opt "v")
(pcomplete-here (pcmpl-rpm-files)))))
((or (eq mode 'rebuilddb)
(pcomplete-test "--rebuilddb"))
(setq mode 'rebuilddb)
(if (pcomplete-match "^--\\(.*\\)" 0)
(progn
(pcomplete-here*
'("--dbpath"
"--root"
"--rcfile"))
(cond
((pcomplete-test "--dbpath")
(pcomplete-here* (pcomplete-dirs)))
((pcomplete-test "--root")
(pcomplete-here* (pcomplete-dirs)))
((pcomplete-test "--rcfile")
(pcomplete-here* (pcomplete-entries)))))
(if (pcomplete-match "^-" 0)
(pcomplete-opt "v")
(pcomplete-here))))
((memq mode '(install upgrade))
(if (pcomplete-match "^--\\(.*\\)" 0)
(progn
(pcomplete-here*
(append
'("--allfiles"
"--badreloc"
"--dbpath"
"--excludedocs"
"--excludepath"
"--force"
"--hash"
"--ignorearch"
"--ignoreos"
"--ignoresize"
"--includedocs"
"--justdb"
"--nodeps"
"--noorder"
"--noscripts"
"--notriggers")
(if (eq mode 'upgrade)
'("--oldpackage"))
'("--percent"
"--prefix"
"--rcfile"
"--relocate"
"--replacefiles"
"--replacepkgs"
"--root")))
(cond
((pcomplete-test "--dbpath")
(pcomplete-here* (pcomplete-dirs)))
((pcomplete-test "--relocate")
(pcomplete-here*))
((pcomplete-test "--rcfile")
(pcomplete-here* (pcomplete-entries)))
((pcomplete-test "--excludepath")
(pcomplete-here* (pcomplete-entries)))
((pcomplete-test "--root")
(pcomplete-here* (pcomplete-dirs)))
((pcomplete-test "--prefix")
(pcomplete-here* (pcomplete-dirs)))))
(if (pcomplete-match "^-" 0)
(pcomplete-opt "vh")
(pcomplete-here (pcmpl-rpm-files)))))
((or (pcomplete-test "--install")
(pcomplete-match "-[^-]*i"))
(setq mode 'install))
((or (pcomplete-test "--upgrade")
(pcomplete-match "-[^-]*U"))
(setq mode 'upgrade))
((or (eq mode 'erase)
(pcomplete-test "--erase")
(pcomplete-match "-[^-]*e"))
(setq mode 'erase)
(if (pcomplete-match "^--\\(.*\\)" 0)
(progn
(pcomplete-here*
'("--allmatches"
"--dbpath"
"--justdb"
"--nodeps"
"--noorder"
"--noscripts"
"--notriggers"
"--rcfile"
"--root"))
(cond
((pcomplete-test "--dbpath")
(pcomplete-here* (pcomplete-dirs)))
((pcomplete-test "--rcfile")
(pcomplete-here* (pcomplete-entries)))
((pcomplete-test "--root")
(pcomplete-here* (pcomplete-dirs)))))
(if (pcomplete-match "^-" 0)
(pcomplete-opt "v")
(pcomplete-here (pcmpl-rpm-packages)))))
((or (eq mode 'verify)
(pcomplete-test "--verify"))
(setq mode 'verify)
(if (pcomplete-match "^--\\(.*\\)" 0)
(progn
(pcomplete-here*
'("--dbpath"
"--nodeps"
"--nofiles"
"--nomd5"
"--rcfile"
"--root"
"--triggeredby"
"--whatprovides"
"--whatrequires"))
(cond
((pcomplete-test "--dbpath")
(pcomplete-here* (pcomplete-dirs)))
((pcomplete-test "--rcfile")
(pcomplete-here* (pcomplete-entries)))
((pcomplete-test "--root")
(pcomplete-here* (pcomplete-dirs)))
((pcomplete-test "--triggeredby")
(pcomplete-here* (pcmpl-rpm-packages)))
((pcomplete-test "--whatprovides")
(pcomplete-here*
(pcmpl-rpm-all-query "--provides")))
((pcomplete-test "--whatrequires")
(pcomplete-here*
(pcmpl-rpm-all-query "--requires")))))
(if (pcomplete-match "^-" 0)
(pcomplete-opt "af.p(pcmpl-rpm-files)v")
(pcomplete-here (pcmpl-rpm-packages)))))
((or (memq mode '(build test))
(pcomplete-match "\\`-[bt]"))
(setq mode (if (pcomplete-match "\\`-b")
'build
'test))
(if (pcomplete-match "^--\\(.*\\)" 0)
(progn
(pcomplete-here*
'("--buildroot"
"--clean"
"--nobuild"
"--rcfile"
"--rmsource"
"--short-circuit"
"--sign"
"--target"
"--timecheck"))
(cond
((pcomplete-test "--buildroot")
(pcomplete-here* (pcomplete-dirs)))
((pcomplete-test "--rcfile")
(pcomplete-here* (pcomplete-entries)))
((pcomplete-test "--timecheck")
(pcomplete-here*))))
(if (pcomplete-match "^-" 0)
(pcomplete-opt "v")
(pcomplete-here
(pcomplete-dirs-or-entries (if (eq mode 'test)
"\\.tar\\'"
"\\.spec\\'"))))))
(t
(error "You must select a mode: -q, -i, -U, --verify, etc"))))))
(provide 'pcmpl-rpm)
;;; pcmpl-rpm.el ends here
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