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@smoll
Forked from JamieMason/is_installed.sh
Last active August 29, 2015 14:11
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#!/bin/bash
# Functions ==============================================
# return 1 if global command line program installed, else 0
# example
# echo "node: $(program_is_installed node)"
function program_is_installed {
# set to 1 initially
local return_=1
# set to 0 if not found
type $1 >/dev/null 2>&1 || { local return_=0; }
# return value
echo "$return_"
}
# return 1 if local npm package is installed at ./node_modules, else 0
# example
# echo "gruntacular : $(npm_package_is_installed gruntacular)"
function npm_package_is_installed {
# set to 1 initially
local return_=1
# set to 0 if not found
ls node_modules | grep $1 >/dev/null 2>&1 || { local return_=0; }
# return value
echo "$return_"
}
# display a message in red with a cross by it
# example
# echo echo_fail "No"
function echo_fail {
# echo first argument in red
printf "\e[31m✘ ${1}"
# reset colours back to normal
echo "\033[0m"
}
# display a message in green with a tick by it
# example
# echo echo_fail "Yes"
function echo_pass {
# echo first argument in green
printf "\e[32m✔ ${1}"
# reset colours back to normal
echo "\033[0m"
}
# echo pass or fail
# example
# echo echo_if 1 "Passed"
# echo echo_if 0 "Failed"
function echo_if {
if [ $1 == 1 ]; then
echo_pass $2
else
echo_fail $2
fi
}
# ============================================== Functions
# command line programs
echo "node $(echo_if $(program_is_installed node))"
echo "grunt $(echo_if $(program_is_installed grunt))"
echo "testacular $(echo_if $(program_is_installed testacular))"
echo "uglifyjs $(echo_if $(program_is_installed uglifyjs))"
echo "requirejs $(echo_if $(program_is_installed r.js))"
echo "lodash $(echo_if $(program_is_installed lodash))"
echo "gem $(echo_if $(program_is_installed gem))"
# local npm packages
echo "grunt-shell $(echo_if $(npm_package_is_installed grunt-shell))"
echo "grunt-hashres $(echo_if $(npm_package_is_installed grunt-hashres))"
echo "gruntacular $(echo_if $(npm_package_is_installed gruntacular))"
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