425 lines
13 KiB
EmacsLisp
425 lines
13 KiB
EmacsLisp
;;; pcmpl-rpm.el --- functions for dealing with rpm completions -*- lexical-binding: t -*-
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;; Copyright (C) 1999-2024 Free Software Foundation, Inc.
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;; Package: pcomplete
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;; This file is part of GNU Emacs.
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;; GNU Emacs is free software: you can redistribute it and/or modify
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;; it under the terms of the GNU General Public License as published by
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;; the Free Software Foundation, either version 3 of the License, or
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;; (at your option) any later version.
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;; GNU Emacs is distributed in the hope that it will be useful,
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;; but WITHOUT ANY WARRANTY; without even the implied warranty of
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;; MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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;; GNU General Public License for more details.
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;; You should have received a copy of the GNU General Public License
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;; along with GNU Emacs. If not, see <https://www.gnu.org/licenses/>.
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;;; Commentary:
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;; These functions provide completion rules for the `rpm' command and
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;; related tools.
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;;; Code:
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(require 'pcomplete)
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(defgroup pcmpl-rpm nil
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"Options for rpm completion."
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:group 'pcomplete
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:prefix "pcmpl-rpm-")
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;; rpm -qa can be slow. Adding --nodigest --nosignature is MUCH faster.
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(defcustom pcmpl-rpm-query-options
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(let (opts)
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(with-temp-buffer
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(when (ignore-errors (call-process "rpm" nil t nil "--help"))
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(if (search-backward "--nodigest " nil 'move)
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(setq opts '("--nodigest")))
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(goto-char (point-min))
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(if (search-forward "--nosignature " nil t)
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(push "--nosignature" opts))))
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opts)
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"String, or list of strings, with extra options for an rpm query command."
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:version "24.3"
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:type '(choice (const :tag "No options" nil)
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(string :tag "Single option")
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(repeat :tag "List of options" string)))
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(defcustom pcmpl-rpm-cache t
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"Whether to cache the list of installed packages."
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:version "24.3"
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:type 'boolean)
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(defconst pcmpl-rpm-cache-stamp-file "/var/lib/rpm/Packages"
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"File used to check that the list of installed packages is up-to-date.")
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(defvar pcmpl-rpm-cache-time nil
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"Time at which the list of installed packages was updated.")
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(defvar pcmpl-rpm-packages nil
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"List of installed packages.")
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;; Functions:
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(defun pcmpl-rpm-packages ()
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"Return a list of all installed rpm packages."
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(if (and pcmpl-rpm-cache
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pcmpl-rpm-cache-time
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(let ((mtime (file-attribute-modification-time
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(file-attributes pcmpl-rpm-cache-stamp-file))))
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(and mtime (not (time-less-p pcmpl-rpm-cache-time mtime)))))
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pcmpl-rpm-packages
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(message "Getting list of installed rpms...")
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(setq pcmpl-rpm-cache-time (current-time)
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pcmpl-rpm-packages
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(split-string (apply #'pcomplete-process-result "rpm"
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(append '("-q" "-a")
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(if (stringp pcmpl-rpm-query-options)
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(list pcmpl-rpm-query-options)
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pcmpl-rpm-query-options)))))
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(message "Getting list of installed rpms...done")
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pcmpl-rpm-packages))
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;; Should this use pcmpl-rpm-query-options?
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;; I don't think it would speed it up at all (?).
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(defun pcmpl-rpm-all-query (flag)
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(message "Querying all packages with `%s'..." flag)
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(let ((pkgs (pcmpl-rpm-packages))
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(provs (list t)))
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(while pkgs
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(nconc provs (split-string
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(pcomplete-process-result
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"rpm" "-q" (car pkgs) flag)))
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(setq pkgs (cdr pkgs)))
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(pcomplete-uniquify-list (cdr provs))))
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(defsubst pcmpl-rpm-files ()
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(pcomplete-dirs-or-entries "\\.rpm\\'"))
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;;;###autoload
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(defun pcomplete/rpm ()
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"Completion for the `rpm' command."
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;; Originally taken from the output of `rpm --help' on a Red Hat 6.1 system.
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(let (mode)
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(while (<= pcomplete-index pcomplete-last)
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(unless mode
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(if (pcomplete-match "^--\\(.*\\)" 0)
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(pcomplete-here*
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'("--addsign"
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"--checksig"
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"--erase"
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"--help"
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"--initdb"
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"--install"
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"--pipe"
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"--querytags"
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"--rebuild"
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"--rebuilddb"
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"--recompile"
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"--resign"
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"--rmsource"
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"--setperms"
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"--setugids"
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"--upgrade"
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"--verify"
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"--version"))
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(pcomplete-opt "vqVyiUebtK")))
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; -b<stage> <spec>
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; -t<stage> <tarball> - build package, where <stage> is one of:
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; p - prep (unpack sources and apply patches)
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; l - list check (do some cursory checks on %files)
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; c - compile (prep and compile)
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; i - install (prep, compile, install)
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; b - binary package (prep, compile, install, package)
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; a - bin/src package (prep, compile, install, package)
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(cond
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((or (eq mode 'query)
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(pcomplete-match "-[^-]*q"))
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(setq mode 'query)
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(if (pcomplete-match "^--\\(.*\\)" 0)
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(progn
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(pcomplete-here*
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'("--changelog"
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"--dbpath"
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"--dump"
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"--file"
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"--ftpport" ;nyi for the next four
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"--ftpproxy"
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"--httpport"
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"--httpproxy"
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"--provides"
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"--queryformat"
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"--rcfile"
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"--requires"
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"--root"
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"--scripts"
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"--triggeredby"
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"--whatprovides"
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"--whatrequires"))
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(cond
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((pcomplete-test "--dbpath")
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(pcomplete-here* (pcomplete-dirs)))
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((pcomplete-test "--queryformat")
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(pcomplete-here*))
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((pcomplete-test "--rcfile")
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(pcomplete-here* (pcomplete-entries)))
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((pcomplete-test "--file")
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(pcomplete-here* (pcomplete-entries)))
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((pcomplete-test "--root")
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(pcomplete-here* (pcomplete-dirs)))
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((pcomplete-test "--scripts")
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(if (pcomplete-match "^--\\(.*\\)" 0)
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(pcomplete-here* '("--triggers"))))
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((pcomplete-test "--triggeredby")
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(pcomplete-here* (pcmpl-rpm-packages)))
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((pcomplete-test "--whatprovides")
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(pcomplete-here*
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(pcmpl-rpm-all-query "--provides")))
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((pcomplete-test "--whatrequires")
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(pcomplete-here*
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(pcmpl-rpm-all-query "--requires")))))
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(if (pcomplete-match "^-" 0)
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(pcomplete-opt "af.p(pcmpl-rpm-files)ilsdcvR")
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(if (pcomplete-test "-[^-]*p" 'first 1)
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(pcomplete-here (pcmpl-rpm-files))
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(if (pcomplete-test "-[^-]*f" 'first 1)
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(pcomplete-here* (pcomplete-entries))
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(pcomplete-here (pcmpl-rpm-packages)))))))
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((pcomplete-test "--pipe")
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(pcomplete-here* (funcall pcomplete-command-completion-function)))
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((pcomplete-test "--rmsource")
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(pcomplete-here* (pcomplete-entries))
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(throw 'pcomplete-completions nil))
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((pcomplete-match "\\`--re\\(build\\|compile\\)\\'")
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(pcomplete-here (pcmpl-rpm-files))
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(throw 'pcomplete-completions nil))
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((pcomplete-match "\\`--\\(resign\\|addsign\\)\\'")
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(while (pcomplete-here (pcmpl-rpm-files))))
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((or (eq mode 'checksig)
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(pcomplete-test "--checksig"))
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(setq mode 'checksig)
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(if (pcomplete-match "^--\\(.*\\)" 0)
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(progn
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(pcomplete-here*
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'("--nopgp"
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"--nogpg"
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"--nomd5"
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"--rcfile"))
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(cond
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((pcomplete-test "--rcfile")
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(pcomplete-here* (pcomplete-entries)))))
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(if (pcomplete-match "^-" 0)
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(pcomplete-opt "v")
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(pcomplete-here (pcmpl-rpm-files)))))
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((or (eq mode 'rebuilddb)
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(pcomplete-test "--rebuilddb"))
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(setq mode 'rebuilddb)
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(if (pcomplete-match "^--\\(.*\\)" 0)
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(progn
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(pcomplete-here*
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'("--dbpath"
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"--root"
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"--rcfile"))
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(cond
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((pcomplete-test "--dbpath")
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(pcomplete-here* (pcomplete-dirs)))
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((pcomplete-test "--root")
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(pcomplete-here* (pcomplete-dirs)))
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((pcomplete-test "--rcfile")
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(pcomplete-here* (pcomplete-entries)))))
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(if (pcomplete-match "^-" 0)
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(pcomplete-opt "v")
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(pcomplete-here))))
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((memq mode '(install upgrade))
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(if (pcomplete-match "^--\\(.*\\)" 0)
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(progn
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(pcomplete-here*
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(append
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'("--allfiles"
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"--badreloc"
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"--dbpath"
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"--excludedocs"
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"--excludepath"
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"--force"
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"--hash"
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"--ignorearch"
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"--ignoreos"
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"--ignoresize"
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"--includedocs"
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"--justdb"
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"--nodeps"
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"--noorder"
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"--noscripts"
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"--notriggers")
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(if (eq mode 'upgrade)
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'("--oldpackage"))
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'("--percent"
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"--prefix"
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"--rcfile"
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"--relocate"
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"--replacefiles"
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"--replacepkgs"
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"--root")))
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(cond
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((pcomplete-test "--dbpath")
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(pcomplete-here* (pcomplete-dirs)))
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((pcomplete-test "--relocate")
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(pcomplete-here*))
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((pcomplete-test "--rcfile")
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(pcomplete-here* (pcomplete-entries)))
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((pcomplete-test "--excludepath")
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(pcomplete-here* (pcomplete-entries)))
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((pcomplete-test "--root")
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(pcomplete-here* (pcomplete-dirs)))
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((pcomplete-test "--prefix")
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(pcomplete-here* (pcomplete-dirs)))))
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(if (pcomplete-match "^-" 0)
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(pcomplete-opt "vh")
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(pcomplete-here (pcmpl-rpm-files)))))
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((or (pcomplete-test "--install")
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(pcomplete-match "-[^-]*i"))
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(setq mode 'install))
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((or (pcomplete-test "--upgrade")
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(pcomplete-match "-[^-]*U"))
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(setq mode 'upgrade))
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((or (eq mode 'erase)
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(pcomplete-test "--erase")
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(pcomplete-match "-[^-]*e"))
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(setq mode 'erase)
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(if (pcomplete-match "^--\\(.*\\)" 0)
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(progn
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(pcomplete-here*
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'("--allmatches"
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"--dbpath"
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"--justdb"
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"--nodeps"
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"--noorder"
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"--noscripts"
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"--notriggers"
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"--rcfile"
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"--root"))
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(cond
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((pcomplete-test "--dbpath")
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(pcomplete-here* (pcomplete-dirs)))
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((pcomplete-test "--rcfile")
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(pcomplete-here* (pcomplete-entries)))
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((pcomplete-test "--root")
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(pcomplete-here* (pcomplete-dirs)))))
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(if (pcomplete-match "^-" 0)
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(pcomplete-opt "v")
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(pcomplete-here (pcmpl-rpm-packages)))))
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((or (eq mode 'verify)
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(pcomplete-test "--verify"))
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(setq mode 'verify)
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(if (pcomplete-match "^--\\(.*\\)" 0)
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(progn
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(pcomplete-here*
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'("--dbpath"
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"--nodeps"
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"--nofiles"
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"--nomd5"
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"--rcfile"
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"--root"
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"--triggeredby"
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"--whatprovides"
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"--whatrequires"))
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(cond
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((pcomplete-test "--dbpath")
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(pcomplete-here* (pcomplete-dirs)))
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((pcomplete-test "--rcfile")
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(pcomplete-here* (pcomplete-entries)))
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((pcomplete-test "--root")
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(pcomplete-here* (pcomplete-dirs)))
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((pcomplete-test "--triggeredby")
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(pcomplete-here* (pcmpl-rpm-packages)))
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((pcomplete-test "--whatprovides")
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(pcomplete-here*
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(pcmpl-rpm-all-query "--provides")))
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((pcomplete-test "--whatrequires")
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(pcomplete-here*
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(pcmpl-rpm-all-query "--requires")))))
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(if (pcomplete-match "^-" 0)
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(pcomplete-opt "af.p(pcmpl-rpm-files)v")
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(pcomplete-here (pcmpl-rpm-packages)))))
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((or (memq mode '(build test))
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(pcomplete-match "\\`-[bt]"))
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(setq mode (if (pcomplete-match "\\`-b")
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'build
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'test))
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(if (pcomplete-match "^--\\(.*\\)" 0)
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(progn
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(pcomplete-here*
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'("--buildroot"
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"--clean"
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"--nobuild"
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"--rcfile"
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"--rmsource"
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"--short-circuit"
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"--sign"
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"--target"
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"--timecheck"))
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(cond
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((pcomplete-test "--buildroot")
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(pcomplete-here* (pcomplete-dirs)))
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((pcomplete-test "--rcfile")
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(pcomplete-here* (pcomplete-entries)))
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((pcomplete-test "--timecheck")
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(pcomplete-here*))))
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(if (pcomplete-match "^-" 0)
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(pcomplete-opt "v")
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(pcomplete-here
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(pcomplete-dirs-or-entries (if (eq mode 'test)
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"\\.tar\\'"
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"\\.spec\\'"))))))
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(t
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(error "You must select a mode: -q, -i, -U, --verify, etc"))))))
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;;; DNF
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(defvar pcmpl-rpm-dnf-cache-file "/var/cache/dnf/packages.db"
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"Location of the DNF cache.")
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(defun pcmpl-rpm--dnf-packages (status)
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(when (and (file-exists-p pcmpl-rpm-dnf-cache-file)
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(executable-find "sqlite3"))
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(with-temp-message
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"Getting list of packages..."
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(process-lines "sqlite3" "-batch" "-init" "/dev/null"
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pcmpl-rpm-dnf-cache-file
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(pcase-exhaustive status
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('available "select pkg from available")
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('installed "select pkg from installed")
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('not-installed "\
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select pkg from available where pkg not in (select pkg from installed)"))))))
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;;;###autoload
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(defun pcomplete/dnf ()
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"Completion for the `dnf' command."
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(let ((subcmds (pcomplete-from-help "dnf help"
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:margin "^\\(\\)[a-z-]+ "
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:argument "[a-z-]+")))
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(while (not (member (pcomplete-arg 1) subcmds))
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(pcomplete-here (completion-table-merge
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subcmds
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(pcomplete-from-help "dnf help"))))
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(let ((subcmd (pcomplete-arg 1)))
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(while (pcase subcmd
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((guard (pcomplete-match "\\`-" 0))
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(pcomplete-here
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(pcomplete-from-help `("dnf" "help" ,subcmd))))
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((or "downgrade" "reinstall" "remove")
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(pcomplete-here (pcmpl-rpm--dnf-packages 'installed)))
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((or "install" "mark" "reinstall" "upgrade")
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(pcomplete-here (pcmpl-rpm--dnf-packages 'not-installed)))
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((or "builddep" "changelog" "info" "list" "repoquery" "updateinfo")
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(pcomplete-here (pcmpl-rpm--dnf-packages 'available))))))))
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(provide 'pcmpl-rpm)
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;;; pcmpl-rpm.el ends here
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