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pacman/contrib/paclist.in
Lukas Fleischer a77e638c77 contrib/*: Support the "--help" and "--version" options
Add "--help"/"-h" and "--version"/"-V" support to all contrib scripts.
Also, update scripts that used "-v" as a short option for "--version"
and use "-V" for the sake of consistency.

Additionally:

* Move version and usage messages to separate convenience functions in
  all scripts.

* Add a workaround to paccache to support "--help" and "--version". This
  should be replaced by a proper POSIX-compliant command line parser
  that supports long options in a future patch.

* Add a "$myver" variable to all scripts and use it whenever we refer to
  the program version (e.g. in version messages). Also, use the pacman
  version number everywhere instead of using a different versioning
  scheme for each contrib script. This is achieved by adding a
  "PACKAGE_VERSION" placeholder that is replaced by sed(1) when the
  script is built.

* Ensure we always return with exit status 0 if "--help" is used and
  return with exit status 1 if we display the usage message due to
  invalid arguments.

* Add "AUTOMAKE_OPTIONS = std-options" and add all scripts to
  "bin_SCRIPTS" to make `make installcheck` check that installed scripts
  actually support the "--help" and "--version" options.

Signed-off-by: Lukas Fleischer <archlinux@cryptocrack.de>
Signed-off-by: Dan McGee <dan@archlinux.org>
2011-12-23 14:49:46 -06:00

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#!/bin/bash
# paclist - List all packages installed from a given repo
#
# Copyright (C) 2008 Dan McGee <dpmcgee@gmail.com>
# Copyright (C) 2011 Dave Reisner <dreisner@archlinux.org>
#
# This program 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 2
# of the License, or (at your option) any later version.
#
# This program 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 this program. If not, see <http://www.gnu.org/licenses/>.
declare -r myname='paclist'
declare -r myver='@PACKAGE_VERSION@'
export TEXTDOMAIN='pacman'
export TEXTDOMAINDIR='/usr/share/locale'
# determine whether we have gettext; make it a no-op if we do not
if ! type gettext &>/dev/null; then
gettext() {
echo "$@"
}
fi
usage() {
printf '%s - List all packages installed from a given repo\n' "$myname"
printf 'Usage: %s <repo>\n' "$myname"
printf 'Example: %s testing\n' "$myname"
}
version() {
printf "%s %s\n" "$myname" "$myver"
echo 'Copyright (C) 2008 Dan McGee <dpmcgee@gmail.com>'
echo 'Copyright (C) 2011 Dave Reisner <dreisner@archlinux.org>'
}
if [[ -z $1 ]]; then
usage
exit 1
fi
if [[ $1 = -@(h|-help) ]]; then
usage
exit 0
elif [[ $1 = -@(V|-version) ]]; then
version
exit 0
fi
printf -v installed '[%s]' "$(gettext installed)"
pacman -Sl $1 | awk -v i="$installed" '$NF == i { print $2,$3 }'
# exit with pacman's return value, not awk's
exit ${PIPESTATUS[0]}
# vim: set ts=2 sw=2 noet: