autodeb

#!/bin/bash

function err_mess ()
{
	echo "$(basename $0): error: $1" > /dev/stderr;
}

[ -f "Makefile" ] || { err_mess "makefile not found"; exit 1; }
[ -f "configure.ac" ] || { err_mess "configure.ac not found"; exit 1; }

FAKE=0
if [ "$1" == "--fake" ]
then
	FAKE=1
	DEBFULLNAME="Me Myself"
	DEBEMAIL="me@myself.org"
	shift;
fi

DISTRO="hardy"
if [ -n "$1" ]
then
	DISTRO="$1";
	shift;
fi
case $DISTRO in
	gutsy|hardy);;
	default) err_mess "unknown distro: $DISTRO";
		 exit 1;
		 ;;
esac

PBUILDER_RC_FILE="${HOME}/.pbuilderrc_${DISTRO}"

[ -f "${PBUILDER_RC_FILE}" ] || { err_mess "pbuilder config file not found"; exit 1; }

NAME=$(head -n 50 configure.ac | grep "m4_define(\[plugin_name\], \[.*\])" | sed "s/m4_define(\[plugin_name\], \[\(.*\)\])/\1/")
MAJOR_VER=$(head -n 50 configure.ac | grep "m4_define(\[plugin_major_version\], \[.*\])" | sed "s/m4_define(\[plugin_major_version\], \[\(.*\)\])/\1/")
MINOR_VER=$(head -n 50 configure.ac | grep "m4_define(\[plugin_minor_version\], \[.*\])" | sed "s/m4_define(\[plugin_minor_version\], \[\(.*\)\])/\1/")
MICRO_VER=$(head -n 50 configure.ac | grep "m4_define(\[plugin_micro_version\], \[.*\])" | sed "s/m4_define(\[plugin_micro_version\], \[\(.*\)\])/\1/")

VER="${MAJOR_VER}.${MINOR_VER}.${MICRO_VER}"

DEBIAN_IN_DIR="debian.in"
REL_SUB_VER_FILE="${DEBIAN_IN_DIR}/${DISTRO}/release_subv"

[ -f "$REL_SUB_VER_FILE" ] || { err_mess "release_subv not found"; exit 1; }

REL_SUB_VER="$(cat "${REL_SUB_VER_FILE}")";
echo "$REL_SUB_VER" | grep -q "[[:digit:]]\+" || { err_mess "invalid release subversion: $REL_SUB_VER"; exit 1;}

NAME_HYPHEN="${NAME}-${VER}"
NAME_UNDERSC="${NAME}_${VER}"
TGZ_NAME="${NAME_HYPHEN}.tar.gz"
ORIG_NAME="${NAME_UNDERSC}.orig.tar.gz"

function ubunames ()
{
	DEB_NAME="${NAME_UNDERSC}-0ubuntu$1"
	DSC_NAME="${DEB_NAME}.dsc"
	DIFF_NAME="${DEB_NAME}.diff.gz"
	PKG_NAME="${DEB_NAME}_i386.deb"
	CHANGES_NAME="${DEB_NAME}_i386.changes"
}

RESULTS_DIR="/var/cache/pbuilder_${DISTRO}/result"
BUILD_DIR="${HOME}/deb_builds/${DISTRO}/${NAME_HYPHEN}"
DEB_DIR_TEMPL="${DEBIAN_IN_DIR}/${DISTRO}/debian.template"
TMP_DIR="${NAME_HYPHEN}-tmp-$$"
TMP_FILE_1="changelog1.$$.tmp"
TMP_FILE_2="changelog2.$$.tmp"

if [ $REL_SUB_VER -gt 0 ]
then
	[ -d "${BUILD_DIR}" ] || { err_mess "directory not found: ${BUILD_DIR}"; exit 1; }
	pushd "${BUILD_DIR}" > /dev/null || exit 1
	BUILD_DIR="$(pwd -P)" || exit 1
	[ -f "${ORIG_NAME}" ] || { err_mess "file not found: ${ORIG_NAME}"; exit 1; }
	for ver in $(seq $REL_SUB_VER)
	do
		ubunames $ver
		[ -f "${DIFF_NAME}" ] || { err_mess "file not found: ${DIFF_NAME}"; exit 1; }
	done
	popd > /dev/null || exit 1
else
	mkdir -p "${BUILD_DIR}" || exit 1
	pushd "${BUILD_DIR}" > /dev/null || exit 1
	BUILD_DIR="$(pwd -P)" || exit 1
	popd > /dev/null || exit 1
fi


mkdir "${TMP_DIR}" || exit 1

intltool-update-all || exit 1

make dist || exit 1

mv "${TGZ_NAME}" "${TMP_DIR}" || exit 1

cd "${TMP_DIR}" || exit 1

if [ $REL_SUB_VER -eq 0 ]
then
	cp "${TGZ_NAME}" "${ORIG_NAME}" || exit 1;
fi

tar -vxzf "${TGZ_NAME}" || exit 1

if [ $REL_SUB_VER -gt 0 ]
then
	cp "${BUILD_DIR}/${ORIG_NAME}" . || exit 1
	for ver in $(seq $REL_SUB_VER)
	do
		ubunames $ver
		cp "${BUILD_DIR}/${DIFF_NAME}" . || exit 1;
	done
fi


cd "${NAME_HYPHEN}" || exit 1

cp -r "../../${DEB_DIR_TEMPL}" "debian" || exit 1

if [ $REL_SUB_VER -gt 0 ]
then
	[ -f "debian/changelog" ] || { err_mess "changelog not found"; exit 1; }
	head -n 1 "debian/changelog" | grep -q "^${NAME} ($(echo ${VER} | sed "s/\./\\\./g")-0ubuntu${REL_SUB_VER}) ${DISTRO}; urgency=.\+$"
	[ $? -eq 0 ] || { err_mess "wrong changelog"; exit 1; }
else
	[ -f "debian/changelog" ] && { err_mess "changelog found before first release, aborting"; exit 1; }
	touch "debian/changelog" || exit 1;
fi

REL_SUB_VER=$[ $REL_SUB_VER + 1 ] || { err_mess "strange error"; exit 1; }

cat > ${TMP_FILE_1} << EOF
${NAME} (${VER}-0ubuntu${REL_SUB_VER}) ${DISTRO}; urgency=low

  * < description here >
 
 -- ${DEBFULLNAME} <${DEBEMAIL}>  $(date -R)

EOF

[ $? -eq 0 ] || { err_mess "what?"; exit 1; }

cat "debian/changelog" >> "${TMP_FILE_1}" || exit 1

cp "${TMP_FILE_1}" "${TMP_FILE_2}" || exit 1

vim +/"< description here >" "${TMP_FILE_1}" || exit 1

if [ ${FAKE} -eq 0 ]
then
	diff -q "${TMP_FILE_1}" "${TMP_FILE_2}" > /dev/null
	case $? in
		0) echo "no changelog description, aborting";
		   cd ../.. || exit 1
		   rm -fr "${TMP_DIR}" || exit 1;
		   exit 2;
		   ;;
		2) exit 1;
		   ;;
	esac
fi
	   
cp "${TMP_FILE_1}" "debian/changelog"

rm -f "${TMP_FILE_1}" "${TMP_FILE_2}" || exit 1

debuild -S -k"${DEBFULLNAME}" || exit 1

cd .. || exit 1

ubunames ${REL_SUB_VER}

sudo apt-get update || exit 1

sudo pbuilder --build \
	      --override-config \
	      --distribution "${DISTRO}" \
	      --configfile "${PBUILDER_RC_FILE}" \
	      --bindmounts "/var/cache/pbuilder_${DISTRO}/result" \
	      --othermirror "deb file:/var/cache/pbuilder_${DISTRO}/result ./|deb-src file:/var/cache/pbuilder_${DISTRO}/result ./" \
	      --hookdir "/var/cache/pbuilder_${DISTRO}/hooks" \
	      "${DSC_NAME}" || exit 1

cd .. || exit 1

pushd "${RESULTS_DIR}" > /dev/null || exit 1

if [ $FAKE -eq 0 ]
then
	[ ${REL_SUB_VER} -eq 1 ] && { cp "${ORIG_NAME}" "${BUILD_DIR}" || exit 1; }
	cp "${DIFF_NAME}" "${CHANGES_NAME}" "${DSC_NAME}" "${PKG_NAME}" "${BUILD_DIR}" || exit 1
else
	[ ${REL_SUB_VER} -eq 1 ] && { [ -f "${ORIG_NAME}" ] || { err_mess "orginal tar.gz not found"; exit 1; } }
	[ -f "${CHANGES_NAME}" -a -f "${DSC_NAME}" -a -f "${PKG_NAME}" ] || { err_mess "built files not found"; exit 1; }
fi

popd > /dev/null || exit 1

if [ $FAKE -eq 0 ]
then
	cp -f "${TMP_DIR}/${NAME_HYPHEN}/debian/changelog" "${DEB_DIR_TEMPL}" || exit 1

	echo "${REL_SUB_VER}" > "${REL_SUB_VER_FILE}" || exit 1
fi

rm -fr "${TMP_DIR}" || exit 1

echo "Everything OK"