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#!/usr/bin/env bash
## Taken from https://github.com/arl/scripts/blob/main/alert
## alert sends desktop notification
##
## Usage: alert MSG [--] [CMD]
## MSG is the notification text.
## CMD is the optional command to run before showing the notification,
## in which case alert shows an error notification if CMD failed.
##
## Options:
## -h, --help Display this message.
usage() {
[ "$*" ] && echo "$0: $*"
sed -n '/^##/,/^$/s/^## \{0,1\}//p' "$0"
exit 2
} 2>/dev/null
main() {
if [ $# -lt 1 ]; then
usage
fi
MSG="${1}"
shift
while [ $# -gt 0 ]; do
case $1 in
-h | --help) usage 2>&1 ;;
--)
shift
"$@"
RC=$?
break
;;
-*) usage "$1: unknown option" ;;
*) break ;;
esac
done
# List of freedesktop stock icons at:
# https://specifications.freedesktop.org/icon-naming-spec/latest
if [ -z "$RC" ]; then
ICON=dialog-information
elif [[ $RC -eq 0 ]]; then
MSG=$(echo -e "$MSG\n\n\"$*\"\n\nsuccess!")
ICON=face-cool
else
MSG=$(echo -e "$MSG\n\n\"$*\"\n\nfailure!")
ICON=face-angry
fi
notify-send --urgency=critical --icon $ICON "${MSG}"
}
main "$@"
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