Github action: add deploy workflow (#163)

* Github action: add deploy workflow

* Update .github/workflows/deploy.yml

Co-authored-by: Maruan <alshedivat@users.noreply.github.com>

.github/workflows/deploy.yml

@@ -0,0 +1,52 @@
+name: Deploy
+
+on:
+ push:
+ branches:
+ - master
+ - source
+ pull_request:
+ branches:
+ - master
+ - source
+
+jobs:
+ deploy:
+ runs-on: ubuntu-latest
+ steps:
+ - name: Checkout code
+ uses: actions/checkout@v2
+ - name: Setup Ruby
+ uses: actions/setup-ruby@v1
+ - name: Enable bundler cache
+ uses: actions/cache@v2
+ with:
+ path: vendor/bundle
+ key: ${{ runner.os }}-gems-${{ hashFiles('**/Gemfile.lock') }}
+ restore-keys: |
+ ${{ runner.os }}-gems-
+ - name: Install deps
+ run: |
+ gem install bundler
+ bundle config path vendor/bundle
+ bundle install --jobs 4 --retry 3
+ - name: Setup deploy options
+ id: setup
+ run: |
+ git config --global user.name "GitHub Action"
+ git config --global user.email "41898282+github-actions[bot]@users.noreply.github.com"
+ if [[ ${GITHUB_REF} = refs/pull/*/merge ]]; then # pull request
+ echo "::set-output name=SRC_BRANCH::${GITHUB_HEAD_REF}"
+ echo "::set-output name=DRY_RUN::--dry-run"
+ elif [[ ${GITHUB_REF} = refs/heads/* ]]; then # branch, e.g. master, source etc
+ echo "::set-output name=SRC_BRANCH::${GITHUB_REF#refs/heads/}"
+ fi
+ if [[ ${{ github.repository }} = *.github.io ]]; then # user/org repo
+ echo "::set-output name=DEPLOY_BRANCH::master"
+ else
+ echo "::set-output name=DEPLOY_BRANCH::gh-pages"
+ fi
+ - name: Deploy website 
+ run: yes | bin/deploy --verbose ${{ steps.setup.outputs.DRY_RUN }}
+ --src ${{ steps.setup.outputs.SRC_BRANCH }} 
+ --deploy ${{ steps.setup.outputs.DEPLOY_BRANCH }} 

bin/deploy

@@ -7,7 +7,7 @@
 SRC_BRANCH="master"
 DEPLOY_BRANCH="gh-pages"
 
-USAGE_MSG="usage: deploy [-h|--help] [-u|--user] [-s|--src SRC_BRANCH] [-d|--deploy DEPLOY_BRANCH]"
+USAGE_MSG="usage: deploy [-h|--help] [-u|--user] [-s|--src SRC_BRANCH] [-d|--deploy DEPLOY_BRANCH] [--verbose] [--dry-run]"
 
 while [[ $# > 0 ]]; do
  key="$1"
@@ -20,7 +20,6 @@ while [[ $# > 0 ]]; do
  -u|--user)
  SRC_BRANCH="source"
  DEPLOY_BRANCH="master"
- shift
  ;;
  -s|--src)
  SRC_BRANCH="$2"
@@ -30,10 +29,16 @@ while [[ $# > 0 ]]; do
  DEPLOY_BRANCH="$2"
  shift
  ;;
+ --verbose)
+ set -x
+ ;;
+ --dry-run)
+ DRY_RUN="--dry-run"
+ ;;
  *)
- echo "Option $1 is unknown."
- echo $USAGE_MSG
- exit 0
+ echo "Option $1 is unknown." >&2
+ echo $USAGE_MSG >&2
+ exit 1
  ;;
  esac
  shift
@@ -88,7 +93,7 @@ rm -R _site/
 # Push to DEPLOY_BRANCH
 git add -fA
 git commit --allow-empty -m "$(git log -1 --pretty=%B) [ci skip]"
-git push -f -q origin $DEPLOY_BRANCH
+git push ${DRY_RUN} -f -q origin $DEPLOY_BRANCH
 
 # Move back to SRC_BRANCH
 git checkout $SRC_BRANCH