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|
#!/bin/sh
program=${0##*/}
do_show() {
awk -F= '$1 == "pkgrel" { print $2 }' "$@"
}
do_set() {
sed -e "/^pkgrel=/s/=.*/=${setto:-0}/" \
-i "$@"
}
do_add () {
local f= old=
for f in "$@"; do
old=$(do_show "$f")
setto=$(($old + 1))
do_set "$f" || return 1
done
}
do_verify() {
[ -n "$force" ] && return 0
if ! grep -q '^pkgrel=[0-9]' "$@"; then
echo "The following files does not have proper pkgrel:" >&2
grep -L '^pkgrel=[0-9]' "$@" >&2
return 1
fi
return 0
}
do_nothing() {
return 0
}
do_usage() {
cat <<__EOF__
Usage: $program -a|-h|-s NUM|-t|-z [-f] FILE...
Commands:
-a Add 1 to current pkgrel
-h Show this help
-s Set pkgrel to NUM
-t Only verify that files are in proper format
-z Set pkgrel to 0
Options:
-f Force, even if given files are not in proper format
__EOF__
}
cmd=do_show
force=
while getopts "afhs:tz" opt; do
case $opt in
a) cmd=do_add;;
f) force=1;;
h) cmd=do_usage;;
s) setto=$OPTARG; cmd=do_set;;
t) cmd=do_nothing;;
z) setto=0; cmd=do_set;;
esac
done
shift $(( $OPTIND - 1))
if [ $# -eq 0 ]; then
do_usage
exit 1
fi
do_verify "$@" || exit 1
$cmd "$@"
|
