#!/bin/bash
#
# Heavily based on the Slackware 13.0 SlackBuild
#
# AlienArena (a fast, fun and free FPS)
# http://icculus.org/alienarena/rpa/index.html
#
# Packager:  Luca Cireddu
#            luca@lucacireddu.it
#            http://www.lucacireddu.it
#


# Config variables:
PKGNAME="alienarena"
VERSION="7.33.linux20091227"
ARCH="x86"
TAG="srd"
BUILD="2"
EXTENSION="txz"


# Name and dir vars:
PKGNAME_REAL="${PKGNAME}"
VERSION_REAL="$(echo ${VERSION} | awk -F. '{ print $1 "_" $2 "-" $3 }')"
SRC_OUTDIR="${PKGNAME_REAL}$(echo ${VERSION} | awk -F. '{ print $1 "_" $2 }')"


# Download urls:
BASE_URL="http://icculus.org/${PKGNAME_REAL}/Files/"
SRC_FILENAME="${PKGNAME_REAL}${VERSION_REAL}.zip"
DN_URL="${BASE_URL}${SRC_FILENAME}"


# Standard destinations folders:
BLD_PREFIX="/opt/${PKGNAME}"
SYS_PREFIX="/usr"
BLD_BINARIES="${SYS_PREFIX}/bin"
BLD_DOCDIR="${SYS_PREFIX}/doc"
BLD_DESKTOP="${SYS_PREFIX}/share/applications"
BLD_ICONS="${SYS_PREFIX}/share/pixmaps"


# Dirs variables:
CWD="$(pwd)"
TMP="/tmp/${EXTENSION}_build-${PKGNAME}"
PKG="${TMP}/package"


# Cleaning and/or creating build folders:
rm -rf ${PKG} >> /dev/null 2>> /dev/null
rm -rf ${TMP} >> /dev/null 2>> /dev/null
mkdir -pv ${PKG}
mkdir -pv ${TMP}


# Untar the source archive;
if [ ! -e "${CWD}/${SRC_FILENAME}" ]; then
	(cd ${CWD}; wget ${DN_URL} || exit 1)
fi

cd ${TMP}

if file "${CWD}/${SRC_FILENAME}" | grep "bzip2" ; then
	tar xjvf "${CWD}/${SRC_FILENAME}" || exit 1
elif file "${CWD}/${SRC_FILENAME}" | grep "gzip" ; then
	tar xzvf "${CWD}/${SRC_FILENAME}" || exit 1
elif file "${CWD}/${SRC_FILENAME}" | grep "Zip" ; then
	unzip "${CWD}/${SRC_FILENAME}" || exit 1
else
	echo "ERROR"
	echo "Archive file-type unknown"
	exit 1
fi

cd ${TMP}/${SRC_OUTDIR} || exit 1


# Chown and Chmod its files:
cd ${TMP}/${SRC_OUTDIR} || exit 1
chown -Rv root:root .
chmod -R u+w,go+r-w,a-s .


# Copying files:
mkdir -pv ${PKG}${BLD_PREFIX} || exit 1
mkdir -pv ${PKG}${BLD_DESKTOP} || exit 1
mkdir -pv ${PKG}${BLD_ICONS} || exit 1

cp -Rv ${TMP}/${SRC_OUTDIR}/* ${PKG}${BLD_PREFIX} || exit 1
cd ${PKG}${BLD_PREFIX} || exit 1
rm -Rv ./source || exit 1
rm -v ./Aa1.ico
chmod 755 ${PKG}${BLD_PREFIX}/crx
chmod 755 ${PKG}${BLD_PREFIX}/crded


# Restore CWD:
cd ${TMP}/${SRC_OUTDIR} || exit 1


# Add a documentation directory:
mkdir -pv ${PKG}${BLD_DOCDIR}/${PKGNAME}-${VERSION} || exit 1
cat ${CWD}/slack-desc > ${PKG}${BLD_DOCDIR}/${PKGNAME}-${VERSION}/slack-desc
cat ${CWD}/${PKGNAME}.SlackBuild > ${PKG}${BLD_DOCDIR}/${PKGNAME}-${VERSION}/${PKGNAME}.SlackBuild


# Make Slackware package info and doinst.sh:
mkdir -pv ${PKG}/install || exit 1
cat ${CWD}/slack-desc > ${PKG}/install/slack-desc

cat <<EODI > ${PKG}/install/doinst.sh
#!/bin/bash

if [ -e ${BLD_BINARIES}/aa ]; then
	rm ${BLD_BINARIES}/aa
fi

if [ -e ${BLD_BINARIES}/aaded ]; then
	rm ${BLD_BINARIES}/aaded
fi

cat <<EOF > ${BLD_BINARIES}/aa
#!/bin/bash

cd ${BLD_PREFIX} || exit 1
./crx "\${@}"
EOF

cat <<EOF > ${BLD_BINARIES}/aaded
#!/bin/bash

cd ${BLD_PREFIX} || exit 1
./crded "\${@}"
EOF

chmod 755 ${BLD_BINARIES}/aa
chmod 755 ${BLD_BINARIES}/aaded

echo "run aa for the game, or aaded for the server"
EODI


# Creating slack-required:
#requiredbuilder -v -y -s ${CWD} ${PKG} || exit 1
#cat ${PKG}/install/slack-required > ${PKG}${BLD_DOCDIR}/slack-required


# Make package:
cd ${PKG}
chown root:root * -Rv
makepkg -l y -c n ${CWD}/${PKGNAME}-${VERSION}-${ARCH}-${BUILD}${TAG}.${EXTENSION}


# Creating some infos:
(
	cd ${CWD}
	md5sum ${PKGNAME}-${VERSION}-${ARCH}-${BUILD}${TAG}.${EXTENSION} > ${PKGNAME}-${VERSION}-${ARCH}-${BUILD}${TAG}.${EXTENSION}.md5
	cat slack-desc > ${PKGNAME}-${VERSION}.txt
)


# Removing files, if asked:
case "${1}" in
	"--cleanup")
		rm -rf ${TMP} >> /dev/null 2>> /dev/null
	;;
esac