#!/bin/bash
#
# Build MariaDB .deb packages for test and release at mariadb.org
#
# Purpose of this script:
# Always keep the actual packaging as up-to-date as possible following the latest
# Debian policy and targeting Debian Sid. Then case-by-case run in autobake-deb.sh
# tests for backwards compatibility and strip away parts on older builders or
# specific build environments.

# Exit immediately on any error
set -e

# On Buildbot, don't run the mysql-test-run test suite as part of build.
# It takes a lot of time, and we will do a better test anyway in
# Buildbot, running the test suite from installed .debs on a clean VM.
export DEB_BUILD_OPTIONS="nocheck $DEB_BUILD_OPTIONS"

# General CI optimizations to keep build output smaller
if [[ $GITLAB_CI ]]
then
  # On Gitlab the output log must stay under 4MB so make the
  # build less verbose
  sed '/Add support for verbose builds/,/^$/d' -i debian/rules
elif [ -d storage/columnstore/columnstore/debian ]
then
  # ColumnStore is explicitly disabled in the native Debian build, so allow it
  # now when build is triggered by autobake-deb.sh (MariaDB.org) and when the
  # build is not running on Travis or Gitlab-CI
  sed '/-DPLUGIN_COLUMNSTORE=NO/d' -i debian/rules
  # Take the files and part of control from MCS directory
  cp -v storage/columnstore/columnstore/debian/mariadb-plugin-columnstore.* debian/
  echo >> debian/control
  cat storage/columnstore/columnstore/debian/control >> debian/control
fi

# Look up distro-version specific stuff
#
# Always keep the actual packaging as up-to-date as possible following the latest
# Debian policy and targeting Debian Sid. Then case-by-case run in autobake-deb.sh
# tests for backwards compatibility and strip away parts on older builders.

remove_rocksdb_tools()
{
  sed '/rocksdb-tools/d' -i debian/control
  sed '/sst_dump/d' -i debian/not-installed
  if ! grep -q sst_dump debian/mariadb-plugin-rocksdb.install
  then
    echo "usr/bin/sst_dump" >> debian/mariadb-plugin-rocksdb.install
  fi
}

CODENAME="$(lsb_release -sc)"
case "${CODENAME}" in
	stretch)
		# MDEV-28022 libzstd-dev-1.1.3 minimum version
		sed -i -e '/libzstd-dev/d' \
                       -e 's/libcurl4/libcurl3/g' -i debian/control
		remove_rocksdb_tools
		;;
	bionic)
		remove_rocksdb_tools
		;;
esac

if [[ ! "$(dpkg-architecture -q DEB_BUILD_ARCH)" =~ amd64|arm64|ppc64el|s390x ]]
then
  remove_rocksdb_tools
fi

# Adjust changelog, add new version
echo "Incrementing changelog and starting build scripts"

# Find major.minor version
source ./VERSION
UPSTREAM="${MYSQL_VERSION_MAJOR}.${MYSQL_VERSION_MINOR}.${MYSQL_VERSION_PATCH}${MYSQL_VERSION_EXTRA}"
PATCHLEVEL="+maria"
LOGSTRING="MariaDB build"
EPOCH="1:"
VERSION="${EPOCH}${UPSTREAM}${PATCHLEVEL}~${CODENAME}"

dch -b -D "${CODENAME}" -v "${VERSION}" "Automatic build with ${LOGSTRING}." --controlmaint

echo "Creating package version ${VERSION} ... "

# On Gitlab-CI, use -b to build binary only packages as there is
# no need to waste time on generating the source package.
if [[ $GITLAB_CI ]]
then
  BUILDPACKAGE_FLAGS="-b"
fi

# Use eatmydata is available to build faster with less I/O, skipping fsync()
# during the entire build process (safe because a build can always be restarted)
if which eatmydata > /dev/null
then
  BUILDPACKAGE_PREPEND=eatmydata
fi

# Build the package
# Pass -I so that .git and other unnecessary temporary and source control files
# will be ignored by dpkg-source when creating the tar.gz source package.
fakeroot $BUILDPACKAGE_PREPEND dpkg-buildpackage -us -uc -I $BUILDPACKAGE_FLAGS

# If the step above fails due to missing dependencies, you can manually run
#   sudo mk-build-deps debian/control -r -i

# Don't log package contents on Gitlab-CI to save time and log size
if [[ ! $GITLAB_CI ]]
then
  echo "List package contents ..."
  cd ..
  for package in *.deb
  do
    echo "$package" | cut -d '_' -f 1
    dpkg-deb -c "$package" | awk '{print $1 " " $2 " " $6 " " $7 " " $8}' | sort -k 3
    echo "------------------------------------------------"
  done
fi

echo "Build complete"