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|
#!/bin/sh
set -eu
usage() {
cat <<-'EOF'
Usage:
forever [-q] COMMAND...
forever -h
EOF
}
help() {
cat <<-'EOF'
Options:
-q quiet mode, don't print exit code messages
-h, --help show this message
COMMAND shell command to be wrapped
Run COMMAND forever.
Examples:
Print 123 forever:
$ forever echo 123
EOF
}
for flag in "$@"; do
case "$flag" in
(--)
break
;;
(--help)
usage
help
exit
;;
(*)
;;
esac
done
QUIET=false
while getopts 'qh' flag; do
case "$flag" in
(q)
QUIET=true
;;
(h)
usage
help
exit
;;
(*)
usage >&2
exit 2
;;
esac
done
shift $((OPTIND - 1))
eval "$(assert-arg -- "${1:-}" 'COMMAND')"
while true; do
STATUS=0
"$@" || STATUS=$?
if [ "$QUIET" = false ]; then
printf 'Exitted with code %s.\n' "$STATUS" >&2
fi
done
|
