approve-config

#!/usr/bin/env bash

: "${PKG_CONFIG:=pkg-config}"

# Poor man's distro detection.
DISTRO=unknown
grep -q 'Debian' /etc/issue && DISTRO=debian
grep -q 'Ubuntu' /etc/issue && DISTRO=ubuntu
grep -q 'Fedora' /etc/issue && DISTRO=fedora

# Default everything to n, so variable is defined here if not in the file.
XINERAMA_SUPPORT=n
PUTICON_GDKPIXBUF=n
PUTICON_IMLIB2=n
DRAWKBLIBS_XLIB=n
DRAWKBLIBS_CAIRO=n

# Read configuration file.
. ./configuration

NEED_SOMETHING=n
SUGGEST_SOMETHING=n

if echo "$DRAWKBLIBS_XLIB $PUTICON_IMLIB2 $PUTICON_GDKPIXBUF" |
	grep -q "^[my] n n$"; then

	NEED_SOMETHING=y
	need_index=$((${#NEED_COMPONENTS[@]}+1))
	NEED_COMPONENTS[$need_index]='* Imlib2 library and development headers'
	NEED_UBUNTU_SUGG[$need_index]='libimlib2-dev'
	NEED_DEBIAN_SUGG[$need_index]='libimlib2-dev'
	NEED_FEDORA_SUGG[$need_index]='imlib2-devel'

fi

if [ "$DRAWKBLIBS_XLIB" = "y" -o "$DRAWKBLIBS_XLIB" = "m" ]; then
	if "${PKG_CONFIG}" xft renderproto xrender --exists > /dev/null; then
		true
	else

		NEED_SOMETHING=y

		need_index=$((${#NEED_COMPONENTS[@]}+1))
		NEED_COMPONENTS[$need_index]='* Xft library and development headers'
		NEED_UBUNTU_SUGG[$need_index]='libxft-dev'
		NEED_DEBIAN_SUGG[$need_index]='libxft-dev'
		NEED_FEDORA_SUGG[$need_index]='libXft-devel'

		need_index=$((${#NEED_COMPONENTS[@]}+1))
		NEED_COMPONENTS[$need_index]='* Xrender library and development headers'
		NEED_UBUNTU_SUGG[$need_index]='libxrender-dev x11proto-render-dev'
		NEED_DEBIAN_SUGG[$need_index]='libxrender-dev x11proto-render-dev'
		NEED_FEDORA_SUGG[$need_index]='xorg-x11-proto-devel'

	fi

fi

# Suggest Cairo if not detected.
if [ "$DRAWKBLIBS_CAIRO" = "n" ]; then
	suggest_index=$((${#SUGGEST_COMPONENTS[@]}+1))
	SUGGEST_SOMETHING=y
	SUGGEST_COMPONENTS[$suggest_index]='* Cairo and Pango library and development headers'
	SUGGEST_UBUNTU_SUGG[$suggest_index]='libcairo2-dev libpango1.0-dev'
	SUGGEST_DEBIAN_SUGG[$suggest_index]='libcairo2-dev libpango1.0-dev'
	SUGGEST_FEDORA_SUGG[$suggest_index]='cairo-devel pango-devel'
fi

# Suggest Xinerama if not detected.
if [ "$XINERAMA_SUPPORT" = "n" ]; then
	suggest_index=$((${#SUGGEST_COMPONENTS[@]}+1))
	SUGGEST_SOMETHING=y
	SUGGEST_COMPONENTS[$suggest_index]='* Xinerama library and development headers'
	SUGGEST_UBUNTU_SUGG[$suggest_index]='libxinerama-dev'
	SUGGEST_DEBIAN_SUGG[$suggest_index]='libxinerama-dev'
	SUGGEST_FEDORA_SUGG[$suggest_index]='libXinerama-devel'
fi

if which help2man | grep -q help2man; then
    :
else
    echo "FALSE"
	need_index=$((${#NEED_COMPONENTS[@]}+1))
	NEED_SOMETHING=y
	NEED_COMPONENTS[$need_index]='* help2man binary'
	NEED_UBUNTU_SUGG[$need_index]='help2man'
	NEED_DEBIAN_SUGG[$need_index]='help2man'
	NEED_FEDORA_SUGG[$need_index]='help2man'
fi


if [ "$NEED_SOMETHING" = "y" ]; then
	echo
	echo "-------------------------------------------------------------------"
	echo
	echo "ERROR: Superkb requires some components not found in your"
	echo "system. Compilation can not continue without these components."
	echo "Please install them accordingly. The required components are:";
	echo
	for I in `seq 1 $((${#NEED_COMPONENTS[@]}))`; do
		echo "${NEED_COMPONENTS[$I]}"
	done
	echo

	if [ "$DISTRO" = "fedora" ]; then
		echo "Under Fedora, we suggest the following command:"
		echo
		echo -n '===> su -c '"'"'yum install '
		for I in `seq 1 $((${#NEED_COMPONENTS[@]}))`; do
			echo -n "${NEED_FEDORA_SUGG[$I]} "
		done
		echo "'"
		echo
	fi

	if [ "$DISTRO" = "debian" ]; then
		echo "Under Debian, we suggest the following command:"
		echo
		echo -n '===> su -c '"'"'apt-get install '
		for I in `seq 1 $((${#NEED_COMPONENTS[@]}))`; do
			echo -n "${NEED_DEBIAN_SUGG[$I]} "
		done
		echo "'"
		echo
	fi

	if [ "$DISTRO" = "ubuntu" ]; then
		echo "Under ubuntu, we suggest the following command:"
		echo
		echo -n '===> sudo apt-get install '
		for I in `seq 1 $((${#NEED_COMPONENTS[@]}))`; do
			echo -n "${NEED_UBUNTU_SUGG[$I]} "
		done
		echo
		echo
	fi
fi


if [ "$SUGGEST_SOMETHING" = "y" -a "$NEED_SOMETHING" = "n" ]; then
	echo
	echo "-------------------------------------------------------------------"
	echo
	echo "WARNING: In order to better enjoy Superkb, some components are"
	echo "highly suggested. Compilation will continue. The suggested"
	echo "components are:";
fi

if [ "$SUGGEST_SOMETHING" = "y" -a "$NEED_SOMETHING" = "y" ]; then
	echo
	echo
	echo "In addition, the following components are highly suggested to"
	echo "better experience Superkb:"
fi

if [ "$SUGGEST_SOMETHING" = "y" ]; then
	echo
	for I in `seq 1 $((${#SUGGEST_COMPONENTS[@]}))`; do
		echo "${SUGGEST_COMPONENTS[$I]}"
	done
	echo

	if [ "$DISTRO" = "fedora" ]; then
		echo "Under Fedora, we suggest the following command:"
		echo
		echo -n '===> su -c '"'"'yum install '
		for I in `seq 1 $((${#SUGGEST_COMPONENTS[@]}))`; do
			echo -n "${SUGGEST_FEDORA_SUGG[$I]} "
		done
		echo "'"
		echo
	fi

	if [ "$DISTRO" = "debian" ]; then
		echo "Under Debian, we suggest the following command:"
		echo
		echo -n '===> su -c '"'"'apt-get install '
		for I in `seq 1 $((${#SUGGEST_COMPONENTS[@]}))`; do
			echo -n "${SUGGEST_DEBIAN_SUGG[$I]} "
		done
		echo "'"
		echo
	fi

	if [ "$DISTRO" = "ubuntu" ]; then
		echo "Under ubuntu, we suggest the following command:"
		echo
		echo -n '===> sudo apt-get install '
		for I in `seq 1 $((${#SUGGEST_COMPONENTS[@]}))`; do
			echo -n "${SUGGEST_UBUNTU_SUGG[$I]} "
		done
		echo
		echo
	fi
fi


if [ "$NEED_SOMETHING" = "y" ]; then
	echo 'Your "configuration" file will be renamed as configuration-bad.'
	mv configuration configuration-bad
	exit 1;
fi

if [ "$SUGGEST_SOMETHING" = "y" ]; then
	exit 0;
fi