mithril-latest.yml workflow

.github/workflows/mithril-latest.yml

@@ -0,0 +1,30 @@
+name: Get latest Mithril release version
+on:
+  workflow_dispatch:
+  schedule:
+    - cron:  '0 0 * * *'
+jobs:
+  get-version:
+    runs-on: ubuntu-latest
+    steps:
+      - uses: actions/checkout@v2
+        with:
+          token: ${{ secrets.REPO_SCOPED_TOKEN }}
+          fetch-depth: 0
+          ref: alpha
+      - name: Fetch Mithril release version
+        run: |
+          curl -sL https://api.github.com/repos/input-output-hk/mithril/releases/latest | jq -r '.tag_name' tag_name > files/docker/node/release-versions/mithril-latest.txt
+      - name: Assigns release version
+        run: |
+          VERSION=$(cat ./files/docker/node/release-versions/mithril-latest.txt)
+      - name: Check for modified files
+        id: git-check
+        run: echo ::set-output name=modified::$([ -z "`git status --porcelain`" ] && echo "false" || echo "true")
+      - name: Commit latest release version
+        if: steps.git-check.outputs.modified == 'true'
+        run: |
+          git config --global user.name ${{ secrets.REPO_SCOPED_USER }}
+          git config --global user.email ${{ secrets.REPO_SCOPED_EMAIL }}
+          git commit -am "New mithril release version ${VERSION}"
+          git push