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Diffstat (limited to 'contrib/pacscripts.sh.in')
| -rw-r--r-- | contrib/pacscripts.sh.in | 138 |
1 files changed, 138 insertions, 0 deletions
diff --git a/contrib/pacscripts.sh.in b/contrib/pacscripts.sh.in new file mode 100644 index 00000000..84687145 --- /dev/null +++ b/contrib/pacscripts.sh.in @@ -0,0 +1,138 @@ +#!/bin/bash +# +# pacscripts : tries to print out the {pre,post}_{install,remove,upgrade} +# scripts of a given package +# +# Copyright (c) 2009 Giulio "giulivo" Fidente <giulivo.navigante@gmail.com> +# Copyright (c) 2009 Xavier Chantry <shiningxc@gmail.com> +# +# 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/>. +# + +# bash options +set -o nounset +set -o errexit + +declare -r myname='pacscripts' +declare -r myver='@PACKAGE_VERSION@' + +conf="@sysconfdir@/pacman.conf" + +if [ ! -r "$conf" ]; then + echo "ERROR: unable to read $conf" + exit 1 +fi + +eval $(awk '/DBPath/ {print $1$2$3}' "$conf") +eval $(awk '/CacheDir/ {print $1$2$3}' "$conf") +pac_db="${DBPath:-@localstatedir@/lib/pacman}/local" +pac_cache="${CacheDir:-@localstatedir@/cache/pacman/pkg}" + +error() { + local mesg=$1; shift + printf "==> $(gettext "ERROR:") ${mesg}\n" "$@" >&2 +} + +usage() { + echo "This program prints out the {pre,post}_{install,remove,upgrade} scripts" + echo "of a given package." + echo "Usage: $myname pkgname|pkgfile" + echo + echo " OPTIONS:" + echo " -h, --help Print this help message" + echo " -v, --version Print program name and version" + echo + echo "Example: $myname gconf-editor" + echo "Example: $myname gconf-editor-2.24.1-1-x86_64.pkg.tar.gz" +} + +version() { + printf "%s %s\n" "$myname" "$myver" + echo 'Copyright (c) 2009 Giulio "giulivo" Fidente <giulivo.navigante@gmail.com>' + echo 'Copyright (c) 2009 Xavier Chantry <shiningxc@gmail.com>' +} + +spacman() { + if [ $EUID -eq 0 ]; then + pacman "$@" + else + if ! type -p sudo; then + error "Cannot find the sudo binary! Is sudo installed?" + error "Otherwise try to run the program as root" + exit 1 + else + sudo pacman "$@" + fi + fi +} + +print_db() { + pkg=$(pacman -Q "$1") + pkg=${pkg/ /-} + if [ -f $pac_db/$pkg*/install ]; then + cat $pac_db/$pkg*/install + echo + return 0 + else + error "Package $1 does not include any .INSTALL script" + return 1 + fi +} + +print_pkg() { + if ! bsdtar -xOf "$1" .INSTALL 2>/dev/null; then + error "Package $1 does not include any .INSTALL script" + return 1 + fi + echo +} + +print_scriptlet() { + if [ -f "$1" ]; then + if bsdtar tf "$1" .PKGINFO &>/dev/null; then + print_pkg "$1" + return + fi + fi + if pacman -Q "$1" &>/dev/null; then + print_db "$1" + return + fi + if ! pacman -Si $1 &>/dev/null; then + error "Package $1 not found" + return 1 + fi + url=$(spacman -Sdp $1 | tail -n1) + filename=$(basename $url) + if [ ! -f "$pac_cache/$filename" ]; then + if ! spacman -Sdw --noconfirm $1 >&2; then + error "Failed to download $1" + return 1 + fi + echo >&2 + fi + print_pkg "$pac_cache/$filename" + return +} + +if [ $# -ne 1 ] ; then + usage + exit 1 +fi + +case "$1" in + --help|-h) usage; exit 0 ;; + --version|-V) version; exit 0 ;; + *) print_scriptlet $1 ;; +esac |