mirror of
https://github.com/moparisthebest/pacman
synced 2024-11-16 14:25:21 -05:00
a864a50bc6
Prints the install script from a given package file or from a package in the pacman repo. Original-work-by: Giulio "giulivo" Fidente <giulivo.navigante@gmail.com> Improvements-by: Xavier Chantry <shiningxc@gmail.com> Signed-off-by: Allan McRae <allan@archlinux.org> Signed-off-by: Dan McGee <dan@archlinux.org>
133 lines
3.1 KiB
Bash
Executable File
133 lines
3.1 KiB
Bash
Executable File
#!/bin/bash
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#
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# pacscripts : tries to print out the {pre,post}_{install,remove,upgrade}
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# scripts of a given package
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#
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# Copyright (c) 2009 Giulio "giulivo" Fidente <giulivo.navigante@gmail.com>
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# Copyright (c) 2009 Xavier Chantry <shiningxc@gmail.com>
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#
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# This program 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 2 of the License, or
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# (at your option) any later version.
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#
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# This program 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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#
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# You should have received a copy of the GNU General Public License
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# along with this program. If not, see <http://www.gnu.org/licenses/>.
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#
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# bash options
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set -o nounset
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set -o errexit
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progname=$(basename $0)
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progver="0.4"
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conf="/etc/pacman.conf"
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if [ ! -r "$conf" ]; then
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echo "ERROR: unable to read $conf"
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exit 1
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fi
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eval $(awk '/DBPath/ {print $1$2$3}' "$conf")
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eval $(awk '/CacheDir/ {print $1$2$3}' "$conf")
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pac_db="${DBPath:-/var/lib/pacman}/local"
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pac_cache="${CacheDir:-/var/cache/pacman/pkg}"
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error() {
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local mesg=$1; shift
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printf "==> $(gettext "ERROR:") ${mesg}\n" "$@" >&2
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}
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usage() {
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echo "This program prints out the {pre,post}_{install,remove,upgrade} scripts"
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echo "of a given package."
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echo "Usage: $progname pkgname|pkgfile"
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echo
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echo " OPTIONS:"
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echo " -h, --help Print this help message"
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echo " -v, --version Print program name and version"
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echo
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echo "Example: $progname gconf-editor"
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echo "Example: $progname gconf-editor-2.24.1-1-x86_64.pkg.tar.gz"
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}
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spacman() {
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if [ $EUID -eq 0 ]; then
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pacman "$@"
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else
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if [ ! "$(type -p sudo)" ]; then
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error "Cannot find the sudo binary! Is sudo installed?"
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error "Otherwise try to run the program as root"
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exit 1
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else
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sudo pacman "$@"
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fi
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fi
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}
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print_db() {
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pkg=$(pacman -Q "$1")
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pkg=${pkg/ /-}
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if [ -f $pac_db/$pkg*/install ]; then
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cat $pac_db/$pkg*/install
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echo
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return 0
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else
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error "Package $1 does not include any .INSTALL script"
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return 1
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fi
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}
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print_pkg() {
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if ! bsdtar -xOf "$1" .INSTALL 2>/dev/null; then
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error "Package $1 does not include any .INSTALL script"
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return 1
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fi
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echo
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}
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print_scriptlet() {
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if [ -f "$1" ]; then
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if bsdtar tf "$1" .PKGINFO &>/dev/null; then
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print_pkg "$1"
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return
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fi
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fi
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if pacman -Q "$1" &>/dev/null; then
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print_db "$1"
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return
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fi
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if ! pacman -Si $1 &>/dev/null; then
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error "Package $1 not found"
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return 1
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fi
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url=$(spacman -Sdp $1 | tail -n1)
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filename=$(basename $url)
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if [ ! -f "$pac_cache/$filename" ]; then
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if ! spacman -Sdw --noconfirm $1 >&2; then
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error "Failed to download $1"
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return 1
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fi
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echo >&2
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fi
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print_pkg "$pac_cache/$filename"
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return
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}
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if [ $# -ne 1 ] ; then
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usage
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exit 1
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fi
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case "$1" in
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--help|-h) usage; exit 0 ;;
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--version|-v) echo "$progname version $progver"; exit 0 ;;
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*) print_scriptlet $1 ;;
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esac
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