dotfiles/sh/.local/bin/exist

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#!/usr/bin/env sh
# check for existing implementations
# If $1 command is not available, error code
# If $2 is low, normal, urgent, also notify the user. (loud-mode)
if command -v "$1" >/dev/null; then
exit 0
else
if [ -n "$2" ]; then
if command -v notify-send >/dev/null; then
notify-send "📦 $1" --urgency="$2" "must be installed for ${3:-"this"} function."
fi
printf "%s: 📦 %s must be installed for %s function.\n" "$2" "$1" "${3:-"this"}"
fi
exit 1
fi