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|
#!/bin/sh
set -eu
usage() {
cat <<-'EOF'
Usage:
forever -- COMMAND...
forever -h
EOF
}
help() {
cat <<-'EOF'
Options:
-h, --help show this message
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
while getopts 'h' flag; do
case "$flag" in
h)
usage
help
exit
;;
*)
usage >&2
exit 2
;;
esac
done
shift $((OPTIND - 1))
eval "$(assert-arg "${1:-}" 'COMMAND')"
while true; do
STATUS=0
"$@" || STATUS=$?
printf 'Exitted with code %s.\n' "$STATUS" >&2
done
|
