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+---
+title: Using Gitea/Github actions for triggering Echo
+date: 2024-03-08T11:12:00Z
+tags:
+    - eleventy
+    - tech
+---
+
+I decided to start using [Robb Knight's Echo tool](https://echo.rknight.me), to syndicate my blog posts to Mastodon, and trigger Webmentions. I'm not going to go through the configuration of Echo here, the [project README](https://github.com/rknightuk/echo) has some good instructions for setting it up.
+
+However, I have just started using [Gitea Actions](https://docs.gitea.com/usage/actions/overview) for CI on my private Git server, so I'm using a scheduled action to achieve this:
+
+{% raw %}
+```yaml
+name: Syndicate using echo
+on:
+  schedule:
+    - cron: '*/5 * * * *'
+jobs:
+  echo:
+    runs-on: ubuntu-latest
+    steps:
+      - name: Checkout
+        uses: actions/checkout@v4
+      - name: Setup Node
+        uses: actions/setup-node@v3
+        with:
+          node-version: 20.x
+      - name: Install dependencies 📦
+        run: npm ci
+      - name: Cache build
+        id: cache-data
+        uses: actions/cache@v4
+        with:
+          path: data
+          key: cache-data-${{ gitea.run_id }}
+          restore-keys: |
+            cache-data
+      - uses: actions/setup-go@v3
+        with:
+          go-version: '1.20'
+      - uses: https://gitea.com/actions/go-hashfiles@v0.0.1
+        id: get-hash
+        with: 
+          patterns: |-
+            ./data/*
+      - name: Init echo
+        if: ${{ steps.get-hash.outputs.hash == ''}}
+        run: node index.js init
+        env:
+          MASTODON_ACCESS_TOKEN: ${{ secrets.MASTODON_ACCESS_TOKEN }}
+          MASTODON_URL: ${{ secrets.MASTODON_URL }}
+      - name: Run echo
+        run: node index.js
+        env:
+          MASTODON_ACCESS_TOKEN: ${{ secrets.MASTODON_ACCESS_TOKEN }}
+          MASTODON_URL: ${{ secrets.MASTODON_URL }}
+```
+{% endraw %}
+
+This:
+* Checks out the code
+* Sets up node
+* Uses the [cache action](https://github.com/actions/cache) to persist the `data` directory between runs
+* Uses the `go-hashfiles` action to calculate a hash of the data directory[^1]
+* If the hash is empty, initialise Echo
+* Run echo
+
+[^1]: If using Github Actions, you can remove these steps and just use the `hashFiles` function
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