mirror of
https://github.com/moparisthebest/pacman
synced 2024-11-10 19:45:01 -05:00
a77e638c77
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>
93 lines
2.4 KiB
Bash
Executable File
93 lines
2.4 KiB
Bash
Executable File
#!/bin/bash
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# pacdiff : a simple pacnew/pacorig/pacsave updater
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#
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# Copyright (c) 2007 Aaron Griffin <aaronmgriffin@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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declare -r myname='pacdiff'
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declare -r myver='@PACKAGE_VERSION@'
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diffprog=${DIFFPROG:-vimdiff}
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diffsearchpath=${DIFFSEARCHPATH:-/etc}
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locate=0
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usage() {
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echo "$myname : a simple pacnew/pacorig/pacsave updater"
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echo "Usage : $myname [-l]"
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echo " -l/--locate makes $myname use locate rather than find"
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echo " DIFFPROG variable allows to override the default vimdiff"
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echo " DIFFSEARCHPATH allows to override the default /etc path"
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echo "Example : DIFFPROG=meld DIFFSEARCHPATH=\"/boot /etc /usr\" $myname"
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}
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version() {
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printf "%s %s\n" "$myname" "$myver"
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echo 'Copyright (C) 2007 Aaron Griffin <aaronmgriffin@gmail.com>'
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}
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cmd() {
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if [ $locate -eq 1 ]; then
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locate -0 -e -b \*.pacnew \*.pacorig \*.pacsave
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else
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find $diffsearchpath \( -name \*.pacnew -o -name \*.pacorig -o -name \*.pacsave \) -print0
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fi
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}
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if [ $# -gt 0 ]; then
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case $1 in
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-l|--locate)
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locate=1;;
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-V|--version)
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version; exit 0;;
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-h|--help)
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usage; exit 0;;
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*)
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usage; exit 1;;
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esac
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fi
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# see http://mywiki.wooledge.org/BashFAQ/020
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while IFS= read -u 3 -r -d '' pacfile; do
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file="${pacfile%.pac*}"
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echo "File: $file"
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if [ ! -f "$file" ]; then
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echo " $file does not exist"
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rm -i "$pacfile"
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continue
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fi
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check="$(cmp "$pacfile" "$file")"
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if [ -z "${check}" ]; then
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echo " Files are identical, removing..."
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rm "$pacfile"
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else
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echo -n " File differences found. (V)iew, (S)kip, (R)emove: [v/s/r] "
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while read c; do
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case $c in
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r|R) rm "$pacfile"; break ;;
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v|V)
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$diffprog "$pacfile" "$file"
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rm -i "$pacfile"; break ;;
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s|S) break ;;
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*) echo -n " Invalid answer. Try again: [v/s/r] "; continue ;;
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esac
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done
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fi
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done 3< <(cmd)
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exit 0
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# vim: set ts=2 sw=2 noet:
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