Init commit

tools/deploy.sh

@@ -0,0 +1,73 @@
+#!/usr/bin/env bash
+#
+# Deploy the content of _site to 'origin/<pages_branch>'
+
+set -eu
+
+PAGES_BRANCH="gh-pages"
+
+_no_branch=false
+_backup_dir="$(mktemp -d)"
+
+init() {
+  if [[ -z ${GITHUB_ACTION+x} ]]; then
+    echo "ERROR: This script is not allowed to run outside of GitHub Action."
+    exit -1
+  fi
+
+  # Gemfile could be changed by `bundle install` in actions workflow
+  if [[ -n $(git ls-files | grep Gemfile.lock) && -n \
+  $(git status Gemfile.lock --porcelain) ]]; then
+    git checkout -- Gemfile.lock
+  fi
+
+  if [[ -z $(git branch -av | grep "$PAGES_BRANCH") ]]; then
+    _no_branch=true
+    git checkout -b "$PAGES_BRANCH"
+  else
+    git checkout "$PAGES_BRANCH"
+  fi
+}
+
+backup() {
+  mv _site/* "$_backup_dir"
+  mv .git "$_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"/* .
+}
+
+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 $_no_branch; then
+    git push -u origin "$PAGES_BRANCH"
+  else
+    git push -f
+  fi
+}
+
+main() {
+  init
+  backup
+  flush
+  deploy
+}
+
+main