Allow Renovate to run Earthly

Actually install it in the Renovate container, not the runner
environment.

Also, run make rather than earthly on release branches.

Signed-off-by: Nic Cope <nicc@rk0n.org>

.github/renovate-entrypoint.sh

@@ -0,0 +1,7 @@
+#!/bin/sh
+
+curl -fsSLo /usr/local/bin/earthly https://github.com/earthly/earthly/releases/latest/download/earthly-linux-amd64 -O /usr/local/bin/earthly
+chmod +x /usr/local/bin/earthly
+/usr/local/bin/earthly bootstrap
+
+runuser -u ubuntu renovate

.github/renovate.json5

@@ -99,10 +99,12 @@
   // be at the beginning, high priority at the end
   "packageRules": [
     {
-      "description": "Generate code after upgrading go dependencies",
+      "description": "Generate code after upgrading go dependencies (master)",
       "matchDatasources": [
         "go"
       ],
+      // Currently we only have an Earthfile on master.
+      matchBaseBranches: ["master"],
       postUpgradeTasks: {
         // Post-upgrade tasks that are executed before a commit is made by Renovate.
         "commands": [
@@ -115,10 +117,30 @@
       },
     },
     {
-      "description": "Lint code after upgrading golangci-lint",
+      "description": "Generate code after upgrading go dependencies (release branch)",
+      "matchDatasources": [
+        "go"
+      ],
+      // Currently we only have an Earthfile on master.
+      matchBaseBranches: ["release-.+"],
+      postUpgradeTasks: {
+        // Post-upgrade tasks that are executed before a commit is made by Renovate.
+        "commands": [
+          "make go.generate",
+        ],
+        fileFilters: [
+          "**/*"
+        ],
+        executionMode: "update",
+      },
+    },
+    {
+      "description": "Lint code after upgrading golangci-lint (master)",
       "matchDepNames": [
         "golangci/golangci-lint"
       ],
+      // Currently we only have an Earthfile on master.
+      matchBaseBranches: ["master"],
       postUpgradeTasks: {
         // Post-upgrade tasks that are executed before a commit is made by Renovate.
         "commands": [
@@ -131,13 +153,22 @@
       },
     },
     {
-      "matchManagers": [
-        "crossplane"
-      ],
-      "matchFileNames": [
-        "test/e2e/**"
+      "description": "Lint code after upgrading golangci-lint (release branch)",
+      "matchDepNames": [
+        "golangci/golangci-lint"
       ],
-      "groupName": "e2e-manifests",
+      // Currently we only have an Earthfile on master.
+      matchBaseBranches: ["release-.+"],
+      postUpgradeTasks: {
+        // Post-upgrade tasks that are executed before a commit is made by Renovate.
+        "commands": [
+          "make go.lint",
+        ],
+        fileFilters: [
+          "**/*"
+        ],
+        executionMode: "update",
+      },
     },
     {
       "description": "Ignore non-security related updates to release branches",
@@ -220,4 +251,4 @@
       "groupName": "golang version",
     }
   ],
-}
+}

.github/workflows/renovate.yml

@@ -27,12 +27,6 @@ jobs:
       - name: Checkout
         uses: actions/checkout@a5ac7e51b41094c92402da3b24376905380afc29 # v4.1.6
 
-      - name: Setup Earthly
-        uses: earthly/actions-setup@v1
-        with:
-          github-token: ${{ secrets.GITHUB_TOKEN }}
-          version: ${{ env.EARTHLY_VERSION }}
-
       # Don't waste time starting Renovate if JSON is invalid
       - name: Validate Renovate JSON
         run:  npx --yes --package renovate -- renovate-config-validator
@@ -55,3 +49,6 @@ jobs:
         with:
           configurationFile: .github/renovate.json5
           token: '${{ steps.get-github-app-token.outputs.token }}'
+          mount-docker-socket: true
+          docker-user: root
+          docker-cmd-file: .github/renovate-entrypoint.sh