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2020-03-23 11:48:41 +01:00

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#!/bin/bash
##################################################################################################
#
# This script checks for the required Debian packages are installed
# to build OpenCV.
# Commandline parameters:
# $@ These are the names of the packages to check with 'dpkg'. Multiple values may
# be specified per package by using pipe as a delimiter, e.g. libpng-dev|libpng12-dev.
# Multiple values are evaluated left-to-right and the first found prevents checking of
# the remaining package options.
#
# -o <package_name> Specifying this switch with a package name marks it as optional
# i.e. it is not required to be installed.
#
# Returns:
# 0 - All packages installed (success)
# 1 - One or more packages missing (failure)
#
# Kerry Billingham <contact (at) avionicengineers (d0t) com>
# 20 April 2016
#
##################################################################################################
red=$'\e[1;31m'
green=$'\e[1;32m'
yellow=$'\e[1;33m'
end=$'\e[0m'
check_message="Checking for "
declare -i packageMissing=0
declare -i installed=1
#########################
# Function declarations.
#########################
function check_package() {
check_message="Checking for package "
dpkg -s $1 &>/dev/null
is_installed=$?
if [ ${is_installed} -ne 0 ]; then
printf "%-80s%s\n" "$2${check_message}${red}$1" " MISSING.${end}"
packageMissing=1
else
printf "%-80s%s\n" "$2${check_message}${green}$1" " INSTALLED.${end}"
packageMissing=0
fi
return $is_installed
}
# Main part of script.
ORIGINAL_IFS=$IFS
dpkg -? &>/dev/null
if [ $? -ne 0 ]; then
printf "%-80s%s\n" "${check_message} ${red}'dpkg'" " MISSING.${end}"
exit 1
else
printf "%-80s%s\n" "${check_message} ${green}'dpkg'" " INSTALLED.${end}"
fi
while getopts o: option; do
case $option in
o)
IFS="|"
packageChoices=( ${OPTARG} )
if [ ${#packageChoices[@]} -gt 1 ]; then
echo "Optional package. One of ${yellow}${packageChoices[@]}${end} can be installed."
for choice in ${packageChoices[@]}; do
check_package ${choice} " "
if [ $? -eq 0 ]; then
break
fi
done
else
echo "Optional package ${yellow}${packageChoices}${end}"
check_package ${OPTARG} " "
fi
IFS=$ORIGINAL_IFS
;;
\?)
echo "No option found"
;;
esac
done
shift $((OPTIND-1))
packageArray=( $@ )
for package in ${packageArray[@]}; do
IFS="|"
packageChoices=( ${package} )
if [ ${#packageChoices[@]} -gt 1 ]; then
echo "Multiple options. One of ${yellow}${packageChoices[@]}${end} must be installed."
for choice in ${packageChoices[@]}; do
check_package ${choice} " "
if [ $? -eq 0 ]; then
break
fi
done
else
check_package ${package} ""
fi
done
exit $packageMissing