#!/bin/bash
#
# Target dist: Debian Stretch
DIST=stretch

if [ ! -d ../../pkg/deb ] ; then
  echo "script needs to be executed at pkg/deb dir" >&2
  exit 1
fi

rm -rf ${DIST}
cp -r debian ${DIST}

# dkms stuff (see MT#56627)
cp old-dkms/rtpengine-kernel-dkms.postinst "${DIST}"/
cp old-dkms/rtpengine-kernel-dkms.prerm "${DIST}"/
cp old-dkms/dkms.conf.in "${DIST}"/
rm -f "${DIST}"/rtpengine-kernel-dkms.install "${DIST}"/rtpengine-kernel-dkms.dkms
sed -i '/ngcp-rtpengine source:/d' "${DIST}"/source/lintian-overrides
sed -i '1n;/^Package: rtpengine-kernel-dkms/,/^Depends:/{ s/Depends:/Depends:\n dkms (>= 1.95),/;}' "${DIST}"/control
sed -i '/^ dh-sequence-dkms,/d' "${DIST}"/control
sed -i '/^Testsuite: autopkgtest-pkg-dkms/d' "${DIST}"/control
sed -i '/^override_dh_dkms/d' "${DIST}"/rules
sed -i '/dh_dkms /d' "${DIST}"/rules
sed -i '/^export DEB_VERSION_UPSTREAM/d' "${DIST}"/rules
sed -i '/^export DEB_SOURCE/d' "${DIST}"/rules
sed -i 's;^include /usr/share/dpkg/pkg-info.mk;include /usr/share/dpkg/pkg-info.mk\
## kernel package specific stuff\
# Name of the dkms package\
pdkms:=rtpengine-kernel-dkms\
# short upstream name, used for module source directory\
sname:=rtpengine\
# Source version\
sversion:=$(DEB_VERSION_UPSTREAM)\
## end of kernel package specific stuff\
;' "${DIST}"/rules
sed -i 's;^execute_before_dh_auto_install-indep:;execute_before_dh_auto_install-indep:\
\t# Create the directories to install the source into\
\tdh_installdirs -p$(pdkms)    usr/src/$(sname)-$(sversion)\
\t# Copy only the driver source to the proper locations\
\tcd kernel-module \&\& cp Makefile *.c *.h ../debian/$(pdkms)/usr/src/$(sname)-$(sversion)\
\t# Prepare dkms.conf from the dkms.conf.in template\
\tsed "s/__VERSION__/$(sversion)/g" debian/dkms.conf.in > debian/$(pdkms)/usr/src/$(sname)-$(sversion)/dkms.conf\
;' "${DIST}"/rules

# No libbcg729-dev package
sed -i -e '/libbcg729-dev/d' ${DIST}/control

# Update for stretch debhelper
echo 10 > ${DIST}/compat
sed -i -e 's/debhelper-compat.*/debhelper (>= 10),/' ${DIST}/control
# Compat level for dkms module package
sed -i -e '/cp debian.control/ i \	cp debian/compat debian/\$(psource)/usr/src/modules/\$(sname)/debian/' ${DIST}/rules
# Replace execute_* hooks with old-style overrides
sed -i -e 's/^execute_before_dh_auto_configure:/override_dh_auto_configure:/' ${DIST}/rules
sed -i -e 's/^execute_after_dh_installsystemd:/override_dh_installsystemd:\n\tdh_installsystemd/' ${DIST}/rules
sed -i -e 's/^execute_before_dh_auto_install-indep:/override_dh_auto_install-indep:/' ${DIST}/rules
sed -i -e '/^\tgzip -9 < README.md/a\\n\tdh_auto_install' ${DIST}/rules
# Remove bottom make rules
sed -i -e '/^override_dh_installsystemd/,/^\n/d' ${DIST}/rules
# ... and replace with:
cat >> ${DIST}/rules <<'EOF'
override_dh_systemd_enable:
	dh_systemd_enable
	dh_systemd_enable -prtpengine-recording-daemon --name=rtpengine-recording-nfs-mount

override_dh_systemd_start:
	dh_systemd_start
	dh_systemd_start -prtpengine-recording-daemon --name=rtpengine-recording-nfs-mount
EOF

# Fix module installation location
rm ${DIST}/rtpengine-iptables.dirs
rm ${DIST}/rtpengine-iptables.install
cat >> ${DIST}/rules <<'EOF'

override_dh_install:
	dh_install
	dh_installdirs -prtpengine-iptables $(XTABLES_DIR)
	rm -f debian/tmp/$(XTABLES_DIR)/libxt_RTPENGINE.so
	install -m 0644 iptables-extension/libxt_RTPENGINE.so debian/rtpengine-iptables/$(XTABLES_DIR)
EOF

# Fix man page install fragments
sed -i -e 's,^usr/share/man/man./,daemon/,' ${DIST}/rtpengine-daemon.manpages
sed -i -e 's,^usr/share/man/man./,recording-daemon/,' ${DIST}/rtpengine-recording-daemon.manpages
sed -i -e 's,^usr/share/man/man./,utils/,' ${DIST}/rtpengine-utils.manpages

if command -v wrap-and-sort &>/dev/null ; then
  wrap-and-sort -sat -d ${DIST}
else
  echo "WARN: wrap-and-sort (Debian package devscripts) not available."
fi

# clean backports scripts
rm -rf ${DIST}/backports
exit 0