vagrant-lxc-ng/boxes/common/ui.sh
2014-03-09 21:21:38 -03:00

37 lines
559 B
Bash

#!/bin/bash
log() {
echo " ${1}" >&2
}
debug() {
[ ! $DEBUG ] || echo " [DEBUG] ${1}" >&2
}
confirm() {
question=${1}
default=${2}
default_prompt=
if [ $default = 'n' ]; then
default_prompt="y/N"
default='No'
else
default_prompt="Y/n"
default='Yes'
fi
echo -n " ${question} [${default_prompt}] " >&2
read answer
if [ -z $answer ]; then
debug "Answer not provided, assuming '${default}'"
answer=${default}
fi
if $(echo ${answer} | grep -q -i '^y'); then
return 0
else
return 1
fi
}