Switch positional arguments to environment variables (#10)

action.yaml

@@ -1,9 +1,6 @@
 name: 'Superblocks Export'
 description: 'Pull application-specific components source code from Superblocks'
 inputs:
-  sha:
-    description: 'Commit to pull changes for'
-    default: 'HEAD'
   token:
     description: 'The Superblocks access token to use'
     required: true
@@ -13,16 +10,18 @@ inputs:
   path:
     description: 'The relative path to the Superblocks config file'
     default: '.superblocks/superblocks.json'
+  sha:
+    description: 'Commit to pull changes for'
+    default: 'HEAD'
 
 runs:
   using: 'docker'
   image: 'Dockerfile'
-  args:
-    - ${{ inputs.sha }}
-    - ${{ inputs.token }}
-    - ${{ inputs.domain }}
-    - ${{ inputs.path }}
   env:
     SUPERBLOCKS_AUTHOR_NAME: 'superblocks-app[bot]'
     SUPERBLOCKS_AUTHOR_EMAIL: '142439023+superblocks-app[bot]@users.noreply.github.com'
     SUPERBLOCKS_COMMIT_MESSAGE_IDENTIFIER: '[superblocks ci]'
+    SUPERBLOCKS_TOKEN: ${{ inputs.token }}
+    SUPERBLOCKS_DOMAIN: ${{ inputs.domain }}
+    SUPERBLOCKS_CONFIG_PATH: ${{ inputs.path }}
+    SUPERBLOCKS_COMMIT_SHA: ${{ inputs.sha }}

entrypoint.sh

@@ -3,15 +3,19 @@
 set -e
 set -o pipefail
 
-SHA="$1"
-TOKEN="$2"
-DOMAIN="$3"
-CONFIG_PATH="$4"
-
+COMMIT_SHA="${COMMIT_SHA:-HEAD}"
+SUPERBLOCKS_DOMAIN="${SUPERBLOCKS_DOMAIN:-app.superblocks.com}"
+SUPERBLOCKS_CONFIG_PATH="${SUPERBLOCKS_CONFIG_PATH:-.superblocks/superblocks.json}"
 SUPERBLOCKS_AUTHOR_NAME="${SUPERBLOCKS_AUTHOR_NAME:-superblocks-app[bot]}"
 SUPERBLOCKS_AUTHOR_EMAIL="${SUPERBLOCKS_AUTHOR_EMAIL:-142439023+superblocks-app[bot]@users.noreply.github.com}"
 SUPERBLOCKS_COMMIT_MESSAGE_IDENTIFIER="${SUPERBLOCKS_COMMIT_MESSAGE_IDENTIFIER:-[superblocks ci]}"
 
+# Ensure that a Superblocks token is provided
+if [ -z "$SUPERBLOCKS_TOKEN" ]; then
+  echo "The 'SUPERBLOCKS_TOKEN' environment variable is unset or empty. Exiting..."
+  exit 1
+fi
+
 if [ -z "$REPO_DIR" ]; then
   REPO_DIR="$(pwd)"
 else
@@ -21,8 +25,8 @@ fi
 git config --global --add safe.directory "$REPO_DIR"
 
 # Get the actor name and commit message the last commit
-actor_name=$(git show -s --format='%an' "$SHA")
-commit_message=$(git show -s --format='%B' "$SHA")
+actor_name=$(git show -s --format='%an' "$COMMIT_SHA")
+commit_message=$(git show -s --format='%B' "$COMMIT_SHA")
 
 # Skip pull if the commit was not made by Superblocks. To support multiple Git providers, we also
 # check for the commit message identifier used to identify Superblocks commits.
@@ -39,8 +43,8 @@ if [ -n "$changed_files" ]; then
 
     # Login to Superblocks
     printf "\nLogging in to Superblocks...\n"
-    superblocks config set domain "$DOMAIN"
-    superblocks login -t "$TOKEN"
+    superblocks config set domain "$SUPERBLOCKS_DOMAIN"
+    superblocks login -t "$SUPERBLOCKS_TOKEN"
 else
     echo "No files changed since the last commit. Skipping pull..."
     exit 0
@@ -72,7 +76,7 @@ pull_and_commit() {
 }
 
 # Check if any Superblocks applications have changed
-jq -r '.resources[] | select(.resourceType == "APPLICATION") | .location' "$CONFIG_PATH" | while read -r location; do
+jq -r '.resources[] | select(.resourceType == "APPLICATION") | .location' "$SUPERBLOCKS_CONFIG_PATH" | while read -r location; do
     printf "\nChecking %s for changes...\n" "$location"
     pull_and_commit "$location"
 done