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#!/usr/bin/env bash
# This file contains a set of functions used as helpers
# for various tasks. Read the examples for each one for
# more information. Feel free to put any additional helper
# functions you may need for your app
# Returns true if the command $1 is not found
# example:
# if command_not_found "yarn"; then
# echo "no yarn"
# fi
command_not_found() {
! command -v $1 > /dev/null
return $?
}
# Returns true if the command $1 is not running
# You must supply the full command to check as an argument
# example:
# if command_not_running "redis-cli ping"; then
# print_error "Redis is not running"
# fi
command_not_running() {
$1
if [ $? -ne 0 ]; then
true
else
false
fi
}
# Returns true if the OS is macOS
# example:
# if is_mac; then
# echo "do mac stuff"
# fi
is_mac() {
if [[ "$OSTYPE" == "darwin"* ]]; then
true
else
false
fi
}
# Returns true if the OS is linux based
# example:
# if is_linux; then
# echo "do linux stuff"
# fi
is_linux() {
if [[ "$OSTYPE" == "linux"* ]]; then
true
else
false
fi
}
# Prints error and exit.
# example:
# print_error "Redis is not running. Run it with some_command"
print_error() {
printf "${BOLD_RED_COLOR}There is a problem with your system setup:\n\n"
printf "${BOLD_RED_COLOR}$1 \n\n" | indent
exit 1
}
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