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authorLukas Fleischer <archlinux@cryptocrack.de>2011-12-12 22:36:57 +0100
committerDan McGee <dan@archlinux.org>2011-12-23 14:49:46 -0600
commita77e638c773d8a492f8c48e8c15474030a7e3d71 (patch)
treead13d9931fc9e88ba39e7356ca79cfd619014415 /contrib/pacsysclean.in
parentcd75ae46ab10fe295c5a3d3054a3b17eff31122a (diff)
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 "$myver" variable to all scripts and use it whenever we refer to the program version (e.g. in version messages). Also, use the pacman version number everywhere instead of using a different versioning scheme for each contrib script. This is achieved by adding a "PACKAGE_VERSION" placeholder that is replaced by sed(1) when the script is built. * Ensure we always return with exit status 0 if "--help" is used and return with exit status 1 if we display the usage message due to invalid arguments. * Add "AUTOMAKE_OPTIONS = std-options" and add all scripts to "bin_SCRIPTS" to make `make installcheck` check that installed scripts actually support the "--help" and "--version" options. Signed-off-by: Lukas Fleischer <archlinux@cryptocrack.de> Signed-off-by: Dan McGee <dan@archlinux.org>
Diffstat (limited to 'contrib/pacsysclean.in')
-rwxr-xr-xcontrib/pacsysclean.in13
1 files changed, 11 insertions, 2 deletions
diff --git a/contrib/pacsysclean.in b/contrib/pacsysclean.in
index c87082e0..17f7681b 100755
--- a/contrib/pacsysclean.in
+++ b/contrib/pacsysclean.in
@@ -2,23 +2,32 @@
# pacsysclean - Sort installed packages by decreasing installed size. Useful for system clean-up.
+declare -r myname='pacsysclean'
+declare -r myver='@PACKAGE_VERSION@'
+
PACMAN_OPTS=
usage() {
- echo "pacsysclean - Sort installed packages by decreasing installed size."
+ echo "$myname - Sort installed packages by decreasing installed size."
echo
- echo "Usage: pacsysclean [options]"
+ echo "Usage: $myname [options]"
echo
echo "Options:"
echo " -o <options> Specify custom pacman query options (e.g., dt)"
echo " -h, --help Show this help message and exit"
}
+version() {
+ printf "%s %s\n" "$myname" "$myver"
+ echo 'Copyright (C) 2011 Eric BĂ©langer <snowmaniscool@gmail.com>'
+}
+
if [ -n "$1" ]; then
case "$1" in
-o) PACMAN_OPTS="${2}" ;;
-h|--help) usage; exit 0 ;;
+ -V|--version) version; exit 0 ;;
*) usage; exit 1 ;;
esac
fi