mirror of
https://github.com/Gator96100/ProxSpace.git
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128 lines
2.8 KiB
Bash
128 lines
2.8 KiB
Bash
#!/usr/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 Xavier Chantry <shiningxc@gmail.com>
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# Copyright (c) 2009-2016 Pacman Development Team <pacman-dev@archlinux.org>
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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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declare -r myname='pacscripts'
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declare -r myver='1.9.1'
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error() {
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local mesg=$1; shift
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printf "==> $(/usr/bin/gettext "ERROR:") ${mesg}\n" "$@" >&2
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}
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usage() {
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cat <<EOF
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${myname} v${myver}
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Print the {pre,post}_{install,remove,upgrade} scripts of a given package.
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Usage: ${myname} <pkgname | pkgfile>
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Options:
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-h, --help show this help message and exit
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-V, --version display version information and exit
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Example: ${myname} gconf-editor
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Example: ${myname} gconf-editor-3.0.1-3-x86_64.pkg.tar.xz
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EOF
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}
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if ! DBPath="$(pacman-conf DBPath)"; then
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error "unable to read /etc/pacman.conf"
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exit 1
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fi
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pac_db="${DBPath:-/var/lib/pacman}/local"
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version() {
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printf "%s %s\n" "$myname" "$myver"
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echo 'Copyright (c) 2009 Giulio "giulivo" Fidente <giulivo.navigante@gmail.com>'
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echo 'Copyright (c) 2009 Xavier Chantry <shiningxc@gmail.com>'
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}
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spacman() {
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pacman "$@"
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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 ! /usr/bin/bsdtar -xqOf "$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 /usr/bin/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 $1 not found"
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return 1
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fi
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url=$(pacman -Sddp $1)
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if [[ $url != file://* ]]; then
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if ! spacman -Sddw --logfile /dev/null --noconfirm $1 >&2; then
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error "Failed to download $1"
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return 1
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fi
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echo >&2
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url=$(pacman -Sddp $1)
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fi
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print_pkg "${url#file://}"
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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) version; exit 0 ;;
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*) print_scriptlet $1 ;;
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esac
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