huh...

.github/actions/get-last-commit-hash/action.yml

@@ -0,0 +1,18 @@
+name: 'Get Last Commit Hash'
+description: 'Gets the commit hash of the most recent successful run.'
+runs:
+  using: 'node12'
+  main: 'index.js'
+inputs:
+  workflow_name:
+    description: The name of the workflow in question
+    required: true
+  branch:
+    description: The name of the branch
+    required: true
+  github_token:
+    description: The GitHub Token
+    required: true
+outputs:
+  commit_hash: # id of output
+    description: 'The commit hash of the most recent successful run'

.github/actions/get-last-commit-hash/index.js

@@ -0,0 +1,52 @@
+const core = require('@actions/core')
+const github = require('@actions/github')
+
+async function go() {
+  const {GITHUB_RUN_ID} = process.env
+
+  const octokit = github.getOctokit(core.getInput('github_token'))
+  const {
+    repo: {owner, repo},
+  } = github.context
+
+  const {data: current_run} = await octokit.actions.getWorkflowRun({
+    owner,
+    repo,
+    run_id: Number(GITHUB_RUN_ID),
+  })
+
+  const {
+    data: {workflow_runs},
+  } = await octokit.actions.listWorkflowRuns({
+    owner,
+    repo,
+    workflow_id: String(current_run.workflow_id),
+    status: 'success',
+    branch: current_run.head_branch,
+    event: 'push',
+  })
+
+  const headCommits = workflow_runs.map(run => {
+    return run.head_commit
+  })
+
+  const sortedHeadCommits = headCommits.sort((a, b) => {
+    const dateA = new Date(a.timestamp)
+    const dateB = new Date(b.timestamp)
+    if (dateA < dateB) return -1
+    if (dateA > dateB) return 1
+    return 0
+  })
+
+  const lastSuccessCommitHash =
+    sortedHeadCommits[sortedHeadCommits.length - 1].id
+
+  core.setOutput('commit_hash', lastSuccessCommitHash)
+}
+
+go().then(
+  () => core.info('Get Last Commit Hash Complete.'),
+  error => {
+    core.setFailed(error.message)
+  },
+)

.github/actions/skip-deploy/action.yml

@@ -0,0 +1,23 @@
+name: 'Skip deploy'
+description: 'Outputs a variable to indicate whether deploy should be skipped'
+runs:
+  using: 'node12'
+  main: 'index.js'
+inputs:
+  start_commit:
+    description: The starting commit to compare
+    required: true
+  deploy_regex:
+    description: If any changed file matches this regex, it will deploy
+    default: '.*'
+    required: false
+  skip_regex:
+    description:
+      Any of the files that match the deploy_regex will be further filtered with
+      skip_regex. Deploy will be skipped if no files are left.
+    required: true
+outputs:
+  content_only:
+    description:
+      '"true" if only content was changed between the given commits and "false"
+      if anything else was changed'

.github/actions/skip-deploy/index.js

@@ -0,0 +1,51 @@
+// HT: @alexanderson1993 for creating the first version of this action ❤
+
+const core = require('@actions/core')
+const github = require('@actions/github')
+
+async function go() {
+  const skipRegexes = JSON.parse(github.getOctokit(core.getInput('skip_regex')))
+  const [owner, repo] = process.env.GITHUB_REPOSITORY.split('/')
+  const workflowName = core.getInput('workflow_name')
+
+  const {data: repoWorkflows} = await octokit.actions.listRepoWorkflows({
+    owner,
+    repo,
+  })
+  const workflow = repoWorkflows.workflows.find(
+    ({name}) => name === workflowName,
+  )
+
+  const res = await octokit.actions.listWorkflowRuns({
+    owner,
+    repo,
+    workflow_id: workflow.id,
+    status: 'success',
+    branch: core.getInput('branch'),
+    event: 'push',
+  })
+
+  const headCommits = res.data.workflow_runs.map(run => {
+    return run.head_commit
+  })
+
+  const sortedHeadCommits = headCommits.sort((a, b) => {
+    const dateA = new Date(a.timestamp)
+    const dateB = new Date(b.timestamp)
+    if (dateA < dateB) return -1
+    if (dateA > dateB) return 1
+    return 0
+  })
+
+  const lastSuccessCommitHash =
+    sortedHeadCommits[sortedHeadCommits.length - 1].id
+
+  core.setOutput('commit_hash', lastSuccessCommitHash)
+}
+
+go().then(
+  () => core.info('Get Last Commit Hash Complete.'),
+  error => {
+    core.setFailed(error.message)
+  },
+)

.github/workflows/validate.yml

@@ -16,47 +16,69 @@ jobs:
       - name: ⬇️ Checkout repo
         uses: actions/checkout@v2
 
-      - name: ⎔ Setup node
-        uses: actions/setup-node@v1
+      - name: 🔀 Getting last successful commit
+        id: last_commit
+        uses: ./.github/actions/get-last-commit-hash
         with:
-          node-version: 14
+          github_token: ${{ secrets.GITHUB_TOKEN }}
 
-      - name: 📥 Download deps
-        uses: bahmutov/npm-install@v1
+      - name: Echo last commit
+        run: echo "The last commit ${{ steps.last_commit.commit_hash }}"
 
-      - name: ▶️ Run validate script
-        run: npx kcd-scripts validate test,lint,typecheck
-
-      - name: ⬆️ Upload coverage report
-        uses: codecov/codecov-action@v1
-
-      - name: 🌳 Cypress run
-        uses: cypress-io/github-action@v2
+      - name: 🔀 Determining whether to skip the deploy
+        id: skip_deploy
+        uses: ./.github/actions/skip-deploy
         with:
-          start: npm start
-          wait-on: 'http://localhost:8811'
-        env:
-          PORT: 8811
+          github_token: ${{ secrets.GITHUB_TOKEN }}
+          start_commit: ${{ steps.last_commit.commit_hash }}
+          skip_regex: '["^content", "README.md"]'
 
-      - name: 🚀 Deploy
-        # only deploy main branch on pushes
+      - name: Pretend deploy
         if:
           ${{ github.ref == 'refs/heads/main' && github.event_name == 'push' }}
-        uses: akhileshns/heroku-deploy@v3.6.8
-        env:
-          # "HD_" is removed by akhileshns/heroku-deploy
-          # from the docs:
-          # > so the action can tell your environment variable apart
-          # > from multiple other variables (passed by your language,
-          # > github actions etc) which you probably don't want sitting
-          # > in your heroku app's config vars.
-          HD_REMIX_REGISTRY_TOKEN: ${{ secrets.REMIX_REGISTRY_TOKEN }}
-          HD_CYPRESS_INSTALL_BINARY: '0'
-          HD_HUSKY_SKIP_INSTALL: '1'
-          HD_EMAIL_USERNAME: ${{ secrets.EMAIL_USERNAME }}
-          HD_EMAIL_PASSWORD: ${{ secrets.EMAIL_PASSWORD }}
-          HD_BOT_GITHUB_TOKEN: ${{ secrets.BOT_GITHUB_TOKEN }}
-        with:
-          heroku_api_key: ${{ secrets.HEROKU_API_KEY }}
-          heroku_app_name: kentcdodds-remix
-          heroku_email: me@kentcdodds.com
+        run: echo "I'm pretending to deploy"
+# TODO: uncomment these when testing is over...
+# - name: ⎔ Setup node
+#   uses: actions/setup-node@v1
+#   with:
+#     node-version: 14
+
+# - name: 📥 Download deps
+#   uses: bahmutov/npm-install@v1
+
+# - name: ▶️ Run validate script
+#   run: npx kcd-scripts validate test,lint,typecheck
+
+# - name: ⬆️ Upload coverage report
+#   uses: codecov/codecov-action@v1
+
+# - name: 🌳 Cypress run
+#   uses: cypress-io/github-action@v2
+#   with:
+#     start: npm start
+#     wait-on: 'http://localhost:8811'
+#   env:
+#     PORT: 8811
+
+# - name: 🚀 Deploy
+#   # only deploy main branch on pushes
+#   if:
+#     ${{ github.ref == 'refs/heads/main' && github.event_name == 'push' }}
+#   uses: akhileshns/heroku-deploy@v3.6.8
+#   env:
+#     # "HD_" is removed by akhileshns/heroku-deploy
+#     # from the docs:
+#     # > so the action can tell your environment variable apart
+#     # > from multiple other variables (passed by your language,
+#     # > github actions etc) which you probably don't want sitting
+#     # > in your heroku app's config vars.
+#     HD_REMIX_REGISTRY_TOKEN: ${{ secrets.REMIX_REGISTRY_TOKEN }}
+#     HD_CYPRESS_INSTALL_BINARY: '0'
+#     HD_HUSKY_SKIP_INSTALL: '1'
+#     HD_EMAIL_USERNAME: ${{ secrets.EMAIL_USERNAME }}
+#     HD_EMAIL_PASSWORD: ${{ secrets.EMAIL_PASSWORD }}
+#     HD_BOT_GITHUB_TOKEN: ${{ secrets.BOT_GITHUB_TOKEN }}
+#   with:
+#     heroku_api_key: ${{ secrets.HEROKU_API_KEY }}
+#     heroku_app_name: kentcdodds-remix
+#     heroku_email: me@kentcdodds.com