chore(ci, cd): build and deploy via _gh-actions_ directly

New actions available in GitHub allow for building and deploying the site
completely from the actions workflow with minimal code.
The deploy.sh script is no longer necessary with these changes.

tools/deploy.sh

@@ -1,160 +0,0 @@
-#!/usr/bin/env bash
-#
-# Build, test and then deploy the site content to 'origin/<pages_branch>'
-#
-# Requirement: html-proofer, jekyll
-#
-# Usage: See help information
-
-set -eu
-
-PAGES_BRANCH="gh-pages"
-
-SITE_DIR="_site"
-
-_opt_dry_run=false
-
-_config="_config.yml"
-
-_no_pages_branch=false
-
-_backup_dir="$(mktemp -d)"
-
-_baseurl=""
-
-help() {
-  echo "Build, test and then deploy the site content to 'origin/<pages_branch>'"
-  echo
-  echo "Usage:"
-  echo
-  echo "   bash ./tools/deploy.sh [options]"
-  echo
-  echo "Options:"
-  echo '     -c, --config   "<config_a[,config_b[...]]>"    Specify config file(s)'
-  echo "     --dry-run                Build site and test, but not deploy"
-  echo "     -h, --help               Print this information."
-}
-
-init() {
-  if [[ -z ${GITHUB_ACTION+x} && $_opt_dry_run == 'false' ]]; then
-    echo "ERROR: It is not allowed to deploy outside of the GitHub Action envrionment."
-    echo "Type option '-h' to see the help information."
-    exit -1
-  fi
-
-  _baseurl="$(grep '^baseurl:' _config.yml | sed "s/.*: *//;s/['\"]//g;s/#.*//")"
-}
-
-build() {
-  # clean up
-  if [[ -d $SITE_DIR ]]; then
-    rm -rf "$SITE_DIR"
-  fi
-
-  # build
-  JEKYLL_ENV=production bundle exec jekyll b -d "$SITE_DIR$_baseurl" --config "$_config"
-}
-
-test() {
-  bundle exec htmlproofer \
-    --disable-external \
-    --check-html \
-    --allow_hash_href \
-    "$SITE_DIR"
-}
-
-resume_site_dir() {
-  if [[ -n $_baseurl ]]; then
-    # Move the site file to the regular directory '_site'
-    mv "$SITE_DIR$_baseurl" "${SITE_DIR}-rename"
-    rm -rf "$SITE_DIR"
-    mv "${SITE_DIR}-rename" "$SITE_DIR"
-  fi
-}
-
-setup_gh() {
-  if [[ -z $(git branch -av | grep "$PAGES_BRANCH") ]]; then
-    _no_pages_branch=true
-    git checkout -b "$PAGES_BRANCH"
-  else
-    git checkout -f "$PAGES_BRANCH"
-  fi
-}
-
-backup() {
-  mv "$SITE_DIR"/* "$_backup_dir"
-  mv .git "$_backup_dir"
-
-  # When adding custom domain from Github website,
-  # the CANME only exist on `gh-pages` branch
-  if [[ -f CNAME ]]; then
-    mv CNAME "$_backup_dir"
-  fi
-}
-
-flush() {
-  rm -rf ./*
-  rm -rf .[^.] .??*
-
-  shopt -s dotglob nullglob
-  mv "$_backup_dir"/* .
-  [[ -f ".nojekyll" ]] || echo "" >".nojekyll"
-}
-
-deploy() {
-  git config --global user.name "GitHub Actions"
-  git config --global user.email "41898282+github-actions[bot]@users.noreply.github.com"
-
-  git update-ref -d HEAD
-  git add -A
-  git commit -m "[Automation] Site update No.${GITHUB_RUN_NUMBER}"
-
-  if $_no_pages_branch; then
-    git push -u origin "$PAGES_BRANCH"
-  else
-    git push -f
-  fi
-}
-
-main() {
-  init
-  build
-  test
-  resume_site_dir
-
-  if $_opt_dry_run; then
-    exit 0
-  fi
-
-  setup_gh
-  backup
-  flush
-  deploy
-}
-
-while (($#)); do
-  opt="$1"
-  case $opt in
-  -c | --config)
-    _config="$2"
-    shift
-    shift
-    ;;
-  --dry-run)
-    # build & test, but not deploy
-    _opt_dry_run=true
-    shift
-    ;;
-  -h | --help)
-    help
-    exit 0
-    ;;
-  *)
-    # unknown option
-    help
-    exit 1
-    ;;
-  esac
-done
-
-main

tools/test.sh

@@ -0,0 +1,67 @@
+#!/usr/bin/env bash
+#
+# Build and test the site content
+#
+# Requirement: html-proofer, jekyll
+#
+# Usage: See help information
+
+set -eu
+
+SITE_DIR="_site"
+
+_config="_config.yml"
+
+help() {
+  echo "Build and test the site content"
+  echo
+  echo "Usage:"
+  echo
+  echo "   bash ./tools/test.sh [options]"
+  echo
+  echo "Options:"
+  echo '     -c, --config   "<config_a[,config_b[...]]>"    Specify config file(s)'
+  echo "     -h, --help               Print this information."
+}
+
+main() {
+  # clean up
+  if [[ -d $SITE_DIR ]]; then
+    rm -rf "$SITE_DIR"
+  fi
+
+  _baseurl="$(grep '^baseurl:' "$_config" | sed "s/.*: *//;s/['\"]//g;s/#.*//")"
+
+  # build
+  JEKYLL_ENV=production bundle exec jekyll build \
+    --destination "$SITE_DIR$_baseurl" \
+    --config "$_config"
+
+  # test
+  bundle exec htmlproofer "$SITE_DIR" \
+    --disable-external \
+    --check-html \
+    --allow_hash_href
+}
+
+while (($#)); do
+  opt="$1"
+  case $opt in
+  -c | --config)
+    _config="$2"
+    shift
+    shift
+    ;;
+  -h | --help)
+    help
+    exit 0
+    ;;
+  *)
+    # unknown option
+    help
+    exit 1
+    ;;
+  esac
+done
+
+main