feat: use node executor

.github/renovate.json

@@ -33,5 +33,14 @@
       "automerge": true,
       "automergeType": "branch"
     }
+  ],
+  "regexManagers": [
+    {
+      "fileMatch": ["\\.sh$"],
+      "matchStrings": [
+        "# renovate: datasource=(?<datasource>[a-z-]+?) depName=(?<depName>.+?)(?: versioning=(?<versioning>[a-z-]+?))?\\s[A-Z_]+?_VERSION=(?<currentValue>.+?)\\s"
+      ],
+      "versioningTemplate": "{{#if versioning}}{{versioning}}{{else}}semver{{/if}}"
+    }
   ]
 }

action.yml

@@ -14,9 +14,13 @@ inputs:
       GitHub personal access token that Renovate should use. This should be
       configured using a Secret.
     required: true
+#runs:
+# using: docker
+# image: src/Dockerfile
+# args:
+#   - ${{ inputs.configurationFile }}
+#   - ${{ inputs.token }}
+
 runs:
-  using: docker
-  image: src/Dockerfile
-  args:
-    - ${{ inputs.configurationFile }}
-    - ${{ inputs.token }}
+  using: 'node12'
+  main: 'src/index.js'

src/entrypoint.sh

@@ -17,4 +17,11 @@ fi
 # Mimic the original ENTRYPOINT of the renovate/renovate Docker container. See
 # the following link for this entry.
 # https://github.com/renovatebot/renovate/blob/19.175.3/Dockerfile#L220
-RENOVATE_TOKEN="${TOKEN}" node /usr/src/app/dist/renovate.js
+#RENOVATE_TOKEN="${TOKEN}" node /usr/src/app/dist/renovate.js
+
+config=$(basename RENOVATE_CONFIG_FILE)
+
+# renovate: datasource=docker depName=renovate/renovate versioning=docker
+ARG RENOVATE_VERSION=19.219.11-slim
+
+docker run --rm -e RENOVATE_TOKEN="${TOKEN}" -e RENOVATE_CONFIG_FILE=/$config -v /tmp:/tmp -v $RENOVATE_CONFIG_FILE:/$config renovate/renovate

src/index.js

@@ -0,0 +1,8 @@
+// eslint-disable-next-line @typescript-eslint/no-var-requires
+const { execSync } = require('child_process');
+
+const cfg = process.env[`INPUT_CONFIGURATIONFILE`];
+const token = process.env[`INPUT_TOKEN`];
+const ws = process.env.GITHUB_WORKSPACE;
+
+execSync(`bash -c ${ws}/src/entrypoint.sh '${cfg}' '${token}'`);