feat: add token input and account for Renovate WORKDIR

.github/workflows/example-basic.yml

@@ -1,11 +1,11 @@
-name: Basic example
+name: Example
 on:
   push:
     branches:
       - master
   pull_request:
 jobs:
-  basic-example:
+  example:
     runs-on: ubuntu-latest
     steps:
       - name: Checkout
@@ -14,3 +14,4 @@ jobs:
         uses: ./
         with:
           configurationFile: 'test/config.js'
+          token: ${{ secrets.RENOVATE_TOKEN }}

action.yml

@@ -6,6 +6,14 @@ inputs:
     description: 'Renovate configuration file'
     required: false
     default: 'src/config.js'
+  token:
+    description: |
+      Personal access token that Renovate should use. This should be configured
+      using a GitHub secret.
+    required: true
 runs:
   using: 'docker'
   image: 'src/Dockerfile'
+  args:
+    - ${{ inputs.configurationFile }}
+    - ${{ inputs.token }}

src/entrypoint.sh

@@ -3,6 +3,8 @@
 # Entrypoint for Docker.
 
 readonly CONFIGURATION_FILE="${1}"
+readonly TOKEN="${2}"
+
 readonly CONFIGURATION_PATH="${GITHUB_WORKSPACE}/${CONFIGURATION_FILE}"
 
 if [[ ! -f "${CONFIGURATION_PATH}" ]]; then
@@ -10,12 +12,17 @@ if [[ ! -f "${CONFIGURATION_PATH}" ]]; then
   exit 1
 fi
 
-cp "${CONFIGURATION_PATH}" '/usr/src/app/config.js'
+readonly WORKDIR='/usr/src/app'
+# Account for the WORKDIR entry of the renovate/renovate Docker container. See
+# the followling link for this entry.
+# https://github.com/renovatebot/renovate/blob/19.175.3/Dockerfile#L14
+cd "${WORKDIR}" || { echo "ERROR: Couldn't cd to ${WORKDIR}" 1>&2; exit 1; }
+
+cp "${CONFIGURATION_PATH}" './config.js'
 
 # Run Renovate.
 #
-# This mimics the original entrypoint of the renovate/renovate Docker container.
-# See the following link for this entrypoint in the renovate/renovate Docker
-# container.
+# 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
-node /usr/src/app/dist/renovate.js
+RENOVATE_TOKEN="${TOKEN}" node /usr/src/app/dist/renovate.js