#!/bin/bash

set -o nounset

set -o errexit

OUTPUT_DIR="$(rpm -E '%{_sourcedir}')"

SPEC_FILE="${PWD}/llhttp.spec"

usage() {

  cat 1>&2 <

Usage: $(basename "$0")

Given llhttp.spec in the working directory, download the source and the prod

and dev dependencies, each in their own tarball.

Also finds licenses for prod dependencies.

All three tarballs and the license list are copied to

${OUTPUT_DIR}.

EOF

  exit 1

}

if ! [[ -f /usr/bin/npm ]]

then 

  cat 1>&2 <

$(basename "${0}") requires npm to run

Run the following to fix this:

  sudo dnf install npm

EOF

  exit 2

fi 

if [[ $# -gt 0 ]]; then 

  usage

fi 

TMP_DIR="$(mktemp -d -t ci-XXXXXXXXXX)"

trap "cd /; rm -rf '${TMP_DIR}'" INT TERM EXIT

cd "${TMP_DIR}"

echo "Reading ${SPEC_FILE}; downloading source archive" 1>&2

VERSION="$(awk '$1 == "Version:" { print $2; exit }' "${SPEC_FILE}")"

echo "Version is ${VERSION}" 1>&2

echo "Downloading source archive" 1>&2

spectool -g "${SPEC_FILE}"

ARCHIVE="$(

  find . -mindepth 1 -maxdepth 1 -type f -name '*.tar.gz' -print -quit

)"

echo "Downloaded $(basename "${ARCHIVE}")" 1>&2

tar -xzf "${ARCHIVE}"

XDIR="$(find . -mindepth 1 -maxdepth 1 -type d -print -quit)"

echo "Extracted to $(basename "${XDIR}")" 1>&2

cd "${XDIR}"

echo "Downloading prod dependencies" 1>&2

# Compared to nodejs-packaging-bundler, we must add --ignore-scripts or npm

# unsuccessfully attempts to build the package.

npm install --no-optional --only=prod --ignore-scripts

echo "Successful prod dependencies download" 1>&2

mv node_modules/ node_modules_prod

echo "LICENSES IN BUNDLE:"

LICENSE_FILE="${TMP_DIR}/llhttp-${VERSION}-bundled-licenses.txt"

find . -name 'package.json' -exec jq '.license | strings' '{}' ';' \

    >> "${LICENSE_FILE}"

for what in '.license | objects | .type' '.licenses[] .type'

do

  find . -name 'package.json' -exec jq "${what}" '{}' ';' \

      >> "${LICENSE_FILE}" 2>/dev/null

done

sort -u -o "${LICENSE_FILE}" "${LICENSE_FILE}"

# Locate any dependencies without a provided license

find . -type f -name 'package.json' -execdir jq \

    'if .license==null and .licenses==null then .name else null end' '{}' '+' |

  grep -vE '^null$' |

  sort -u > "${TMP_DIR}/nolicense.txt"

if [[ -s "${TMP_DIR}/nolicense.txt" ]]

then

  echo -e "\e[5m\e[41mSome dependencies do not list a license. Manual verification required!\e[0m"

  cat "${TMP_DIR}/nolicense.txt"

  echo -e "\e[5m\e[41m======================================================================\e[0m"

fi

echo "Downloading dev dependencies" 1>&2

# Compared to nodejs-packaging-bundler, we must add --ignore-scripts or npm

# unsuccessfully attempts to build the package.

npm install --no-optional --only=dev --ignore-scripts

echo "Successful dev dependencies download" 1>&2

mv node_modules/ node_modules_dev

if [[ -d node_modules_prod ]]

then

  tar -cf "../llhttp-${VERSION}-nm-prod.tar" node_modules_prod

fi

if [[ -d node_modules_dev ]]

then

  tar -cf "../llhttp-${VERSION}-nm-dev.tar" node_modules_dev

fi

zstdmt --ultra -22 "../llhttp-${VERSION}-nm-prod.tar" "../llhttp-${VERSION}-nm-dev.tar"

cd ..

find . -mindepth 1 -maxdepth 1 -type f \( -name "$(basename "${ARCHIVE}")" \

    -o -name "llhttp-${VERSION}*" \) -exec cp -vp '{}' "${OUTPUT_DIR}" ';'