build

#!/bin/bash

# Process environment variables
if [[ "$TRAVIS_PULL_REQUEST" =~ ^[0-9]+$ ]]; then
  echo "Building pull request #$TRAVIS_PULL_REQUEST, will skip deploy" >&2

  NO_DEPLOY=true
  unset GITHUB_TOKEN GH_TOKEN TRAVIS_GITHUB_TOKEN
fi

unset DEPLOY # should not appear in environment
while [ $# -ne 0 ]; do
  case $1 in
    --deploy)
      [ -z "$NO_DEPLOY" ] && DEPLOY=true
      ;;
    *)
      # unknown option
      ;;
  esac
  shift
done

function force-fetch {
  if [[ -d "$1/.git" ]]; then
    echo "Force-fetching $1..."
    bash -c "cd '$1' && git checkout -q master && git fetch -q && git reset --hard -q origin/master"
  else
    rm -rf "$1"
    git clone --depth 1 -q -b master "$2" "$1"
  fi
}

: "${GITHUB_REPOSITORY:=${TRAVIS_REPO_SLUG:-Charcoal-SE/charcoal-se.github.io}}"
if [ -z "$DEPLOY" ]; then
  echo "Not in deploy mode, not pushing changes."
  force-fetch _site "https://github.com/${GITHUB_REPOSITORY}" &
else
  if [ -n "$GITHUB_ACTOR" -a -n "$GITHUB_TOKEN" ]; then
    echo "GitHub Actions environment detected."
    force-fetch _site "https://$GITHUB_ACTOR:$GITHUB_TOKEN@github.com/${GITHUB_REPOSITORY}" &
  elif [ -n "$GH_TOKEN" ]; then
    echo "\$GH_TOKEN found, use as personal access token."
    force-fetch _site "https://$GH_TOKEN@github.com/${GITHUB_REPOSITORY}" &
  else
    echo "No token provided. Cannot push changes."
    force-fetch _site "https://github.com/${GITHUB_REPOSITORY}" &
  fi
fi
force-fetch ms "https://github.com/Charcoal-SE/metasmoke.wiki" &
force-fetch smokey "https://github.com/Charcoal-SE/SmokeDetector.wiki" &
wait

for file in **/Home.md; do
  mv "$file" "$(dirname "$file")/index.md"
done

script/add-front-matter.rb ms/** smokey/** &
script/create-data-files.rb &
wait

# yes I know this space padding is strange, but it looks tidy, no?
self_time="$(       date -d "$(git             log -1 --pretty=%cI)" +%s)"
ms_wiki_time="$(    date -d "$(git -C ./ms     log -1 --pretty=%cI)" +%s)"
smokey_wiki_time="$(date -d "$(git -C ./smokey log -1 --pretty=%cI)" +%s)"

self_info="$(       git             log -1 --pretty="Website commit:     [%h] %s")"
ms_wiki_info="$(    git -C ./ms     log -1 --pretty="MS wiki commit:     [%h] %s")"
smokey_wiki_info="$(git -C ./smokey log -1 --pretty="Smokey wiki commit: [%h] %s")"

# Find out which one is last changed, highlight it in log output
# and use it in the commit message of the built website
if [ $self_time -ge $ms_wiki_time -a $self_time -ge $smokey_wiki_time ]; then
  COMMIT_INFO="$(     git             log -1         --pretty="[%h] %an: %B")"
  self_info="$(       git             log -1 --color --pretty="%C(green bold)Website commit:     [%h] %s%Creset")"
elif [ $ms_wiki_time -ge $self_time -a $ms_wiki_time -ge $smokey_wiki_time ]; then
  COMMIT_INFO="$(     git -C ./ms     log -1         --pretty="[%h] MS wiki: %B")"
  ms_wiki_info="$(    git -C ./ms     log -1 --color --pretty="%C(green bold)MS wiki commit:     [%h] %s%Creset")"
elif [ $smokey_wiki_time -ge $self_time -a $smokey_wiki_time -ge $ms_wiki_time ]; then
  COMMIT_INFO="$(     git -C ./smokey log -1         --pretty="[%h] Smokey wiki: %B")"
  smokey_wiki_info="$(git -C ./smokey log -1 --color --pretty="%C(green bold)Smokey wiki commit: [%h] %s%Creset")"
else  # nonsense condition
  COMMIT_INFO="Something wrong???"
fi

echo
echo "$self_info"
echo "$ms_wiki_info"
echo "$smokey_wiki_info"
echo

export PAGES_ENV=dotcom PAGES_REPO_NWO="$GITHUB_REPOSITORY"

if [ -n "$DEPLOY" ]; then
  export JEKYLL_ENV=production

  if [ -n "$ALGOLIA_API_KEY" ]; then
    bundle exec jekyll algolia push --trace &
  fi
  bundle exec jekyll build --incremental --profile --trace &
  wait
else
  bundle exec jekyll build --incremental --profile --trace
fi

pushd _site &>/dev/null # _site
pushd assets &>/dev/null # _site/assets
mkdir -p css images

for file in branding*.css; do
  cp "$file" css/branding.css
done
for file in charcoal*.png; do
  cp "$file" images/charcoal.png
done

popd &>/dev/null  # OLDPWD=_site/assets/; PWD=_site/

if [ -n "$DEPLOY" ]; then
  :> .nojekyll
  git add --all
  git config push.default tracking
  if [ -n "$TRAVIS_COMMIT" ]; then
    git -c user.name=SmokeDetector -c user.email=smokey@erwaysoftware.com \
      commit --allow-empty -q \
      -m "Auto deploy from Travis CI build ${TRAVIS_BUILD_NUMBER:-<unknown>}" \
      -m "Changed: ${COMMIT_INFO}"
    git push -q
  elif [ -n "$GITHUB_ACTIONS" ]; then
    git -c user.name=SmokeDetector -c user.email=smokey@erwaysoftware.com \
      commit --allow-empty -q \
      -m "Auto deploy from GitHub Actions build ${GITHUB_RUN_NUMBER:-<unknown>}" \
      -m "Changed: ${COMMIT_INFO}"
    git push -q
  else
    git -c user.name=SmokeDetector -c user.email=smokey@erwaysoftware.com \
      commit --allow-empty -q \
      -m "Website built from $(git -C .. log -1 --pretty="%h")" \
      -m "Changed: ${COMMIT_INFO}"
    echo -e "Not on Travis CI, skipped push to GitHub Pages."
  fi
fi

popd &>/dev/null  # OLDPWD=_site/; PWD=(git root)

# vim: set et sts=2 sw=2: