#!/bin/bash

# Build dist tarballs or Debian orig tarballs
# and put them in dist/

# parameters: ./dist.sh [origdist]
# origdist = create Debian orig.tar.xz

## START STANDARD BUILD SCRIPT INCLUDE
# adjust relative paths as necessary
THIS_SCRIPT="$(readlink -f "${BASH_SOURCE[0]}")"
. "${THIS_SCRIPT%/*}/../../resources/build/builder-basic.inc.sh"
## END STANDARD BUILD SCRIPT INCLUDE

# shellcheck disable=SC2154
. "${KEYMAN_ROOT}/linux/scripts/package-build.inc.sh"

create_tarball() {
  # Include these files and folders:
  # shellcheck disable=2034  # to_include appears to be unused, even though
  # it is used indirectly by generate_tar_ignore_list.
  to_include=(
    common/build.sh \
    common/cpp \
    common/include \
    common/linux \
    common/test/keyboards/baseline \
    core \
    linux \
    resources/build/*.sh \
    resources/build/meson \
    resources/standards-data \
    resources/*.sh \
    ./*.md \
    ./build.sh \
    ./*.json \
  )

  # files and subfolders to exclude from paths included in 'to_include',
  # i.e. the exceptions to 'to_include'.
  # shellcheck disable=2034  # to_exclude appears to be unused, even though
  # it is used indirectly by generate_tar_ignore_list.
  to_exclude=(
    build \
    common/test/keyboards/baseline/kmcomp-*.zip \
    linux/builddebs \
    linux/docs/help \
    linux/keyman-config/keyman_config/version.py \
    linux/keyman-config/buildtools/build-langtags.py \
    linux/upload \
  )

  # array to store list of --tar-ignore parameters generated from to_include and to_exclude.
  ignored_files=()

  generate_tar_ignore_list "./" to_include to_exclude ignored_files "$(basename "${KEYMAN_ROOT}")"

  # Note: explicitly specify the --tar-ignores here for files/folders that we always
  # want to ignore regardless of their location. Having them here allows us to pass
  # the wildcards to dpkg-source - whereas the wildcards in 'to_exclude' will be
  # resolved and replaced with multiple --tar-ignore entries.
  dpkg-source \
    --tar-ignore=*~ \
    --tar-ignore=.git \
    --tar-ignore=.gitattributes \
    --tar-ignore=.gitignore \
    --tar-ignore=experiments \
    --tar-ignore=debian \
    --tar-ignore=.github \
    --tar-ignore=.vscode \
    --tar-ignore=.configured \
    --tar-ignore=.devcontainer \
    --tar-ignore=.pc \
    --tar-ignore=__pycache__ \
    --tar-ignore=node_modules \
    --tar-ignore=keyman_1* \
    --tar-ignore=launchpad \
    --tar-ignore=dist \
    --tar-ignore=VERSION \
    \
    "${ignored_files[@]}" \
    \
    --compression=xz --build .
  mv ../keyman_"${KEYMAN_VERSION}".tar.xz linux/dist/keyman-"${KEYMAN_VERSION}".tar.xz
}

replace_toplevel_buildsh() {
  # extract the tarball and replace top-level build.sh, then recreate tarball
  builder_echo heading "Replacing top-level build.sh"
  cd "${KEYMAN_ROOT}/linux/dist"
  tar xfJ keyman-"${KEYMAN_VERSION}".tar.xz
  cat > "keyman/build.sh" << EOF
#!/usr/bin/env bash
linux/build.sh "\$@"
EOF
  chmod +x "keyman/build.sh"
  tar cfJ "keyman-${KEYMAN_VERSION}.tar.xz" "keyman"
  rm -rf "keyman"
}

create_debian_origtarxz() {
  builder_echo heading "Creating Debian orig.tar.xz"
  cd "${KEYMAN_ROOT}/linux/dist"
  pkgvers="keyman-${KEYMAN_VERSION}"
  tar xfJ keyman-"${KEYMAN_VERSION}".tar.xz
  mv -v keyman "${pkgvers}" 2>/dev/null || mv -v "$(find . -mindepth 1 -maxdepth 1 -type d)" "${pkgvers}"
  tar cfJ "keyman_${KEYMAN_VERSION}.orig.tar.xz" "${pkgvers}"
  rm "keyman-${KEYMAN_VERSION}.tar.xz"
  rm -rf "${pkgvers}"
}


BASEDIR=$(pwd)

cd "${KEYMAN_ROOT}/linux"

if [[ ! -z ${1+x} ]] && [[ "$1" == "origdist" ]]; then
    create_origdist=1
    shift
fi

builder_echo heading "Creating source tarball for Keyman ${KEYMAN_VERSION}"

rm -rf dist
mkdir -p dist

# dist for keyman
cp -a debian ../
cd "${KEYMAN_ROOT}"
echo "3.0 (native)" > debian/source/format
# shellcheck disable=SC2154
dch keyman --newversion "${KEYMAN_VERSION}" --force-bad-version --nomultimaint

create_tarball
echo "3.0 (quilt)" > debian/source/format
replace_toplevel_buildsh

# create orig.tar.xz
if [[ ! -z "${create_origdist+x}" ]]; then
  create_debian_origtarxz
fi

cd "${BASEDIR}"