#!/bin/sh
 
WORKDIR=`dirname $0`

OPKGB_WEB="https://git.yoctoproject.org/cgit/cgit.cgi/opkg-utils/plain/opkg-build"
OPKG_PKG_NAME="test-packet1"
VERSION="2.0"
OPKG_PKG_DIR="${WORKDIR}/package"
DEST_DIR="${OPKG_PKG_DIR}/user/${OPKG_PKG_NAME}_${VERSION}"
#ARCH defines wether the packet will be used on IBTS (klk_lpbs), iFemtoCell (klk_wifc)
# or all the Kerlink Wirnet(TM) products with KerOS FW >=v4.1 (klkgw)
ARCH="klkgw"
 
PATH=${PATH}:${WORKDIR}
 
# 1 - Download opkg-build if necessary
command -v opkg-build > /dev/null 2>&1
if [ $? -ne 0 ]
then
	echo "Opkg-build is necessary, downloading it from ${OPKGB_WEB}"
	wget ${OPKGB_WEB}
	chmod 755 opkg-build
fi
 
# 2 - Generate meta-data for opkg
rm -rf ${OPKG_PKG_DIR}
mkdir -p ${OPKG_PKG_DIR}/CONTROL
cat > ${OPKG_PKG_DIR}/CONTROL/control << EOF
Package: ${OPKG_PKG_NAME}
Version: ${VERSION:=0.0}
Architecture: ${ARCH}
Maintainer: Kerlink <support@kerlink.fr>
Priority: optional
Section: test
Source: Kerlink's Wirnet(TM) i-series wiki
Description: Install two files in userland
EOF
 
# 3 - Copy or create the file(s) to be installed
mkdir -p ${DEST_DIR}

cat > ${DEST_DIR}/test_file1-${VERSION} << EOF
I am a test file. I should be removed if my package is uninstalled.
EOF

# In most cases, the user doesn't need this script to generate the files to be installed 
# He just needs to copy pre-existing files from another directory
# The previous "cat" command can be replaced by a "cp" command
# cp /custom/path/to/file_to_install ${DEST_DIR}/ 
 
# 4 - Generate or copy a preinst script
cat > ${OPKG_PKG_DIR}/CONTROL/preinst << EOF 
	echo "I am a script file executed before the installation of ${OPKG_PKG_NAME}-${VERSION}"
EOF

# In most cases, the user doesn't need this script to generate the "preinst" file
# He just needs to copy a pre-existing file from another directory
# The previous "cat" command can be replaced by a "cp" command
# cp /custom/path/to/preinst ${OPKG_PKG_DIR}/CONTROL/

chmod 755 ${OPKG_PKG_DIR}/CONTROL/preinst
 
# 5 - Generate or copy a postinst script
cat > ${OPKG_PKG_DIR}/CONTROL/postinst << EOF1
echo "I am a script file executed after the copy of the files in ${OPKG_PKG_NAME}-${VERSION}"
echo "# I am the test line from the test IPK package" >> /etc/syslog.conf 
EOF1

# In most cases, the user doesn't need this script to generate the "postinst" file
# He just needs to copy a pre-existing file from another directory
# The previous "cat" command can be replaced by a "cp" command
# cp /custom/path/to/postinst ${OPKG_PKG_DIR}/CONTROL/

chmod 755 ${OPKG_PKG_DIR}/CONTROL/postinst
 
# 6 - Generate or copy a postrm script
cat > ${OPKG_PKG_DIR}/CONTROL/postrm << EOF2
echo "I am a script file executed after the deinstallation of package ${OPKG_PKG_NAME}-${VERSION}"
EOF2

# In most cases, the user doesn't need this script to generate the "postrm" file
# He just needs to copy a pre-existing file from another directory
# The previous "cat" command can be replaced by a "cp" command
# cp /custom/path/to/postrm ${OPKG_PKG_DIR}/CONTROL/

chmod 755 ${OPKG_PKG_DIR}/CONTROL/postrm 


# 7 - Generate the package
rm -f *.ipk
opkg-build -o root -g root ${OPKG_PKG_DIR} > log
cat log
rm -f log