add multi line example and test

.github/workflows/ci_cd.yml

@@ -141,7 +141,6 @@ jobs:
           expected: 2
           actual: ${{ steps.retry_on_error.outputs.exit_code }}
 
-
         # timeout tests (takes longer to run so run last)
       - name: sad-path (timeout)
         id: sad_path_timeout
@@ -225,7 +224,7 @@ jobs:
           timeout_minutes: 1
           max_attempts: 2
           shell: cmd
-          command: "dir"
+          command: 'dir'
       - uses: nick-invision/assert-action@v1
         with:
           expected: 2
@@ -269,6 +268,23 @@ jobs:
           max_attempts: 2
           shell: python
           command: print('1', '2', '3')
+      - name: Multi-line multi-command Test
+        uses: ./
+        with:
+          timeout_minutes: 1
+          max_attempts: 2
+          command: |
+            print('a', 'b', 'c')
+            print('1', '2', '3')
+      - name: Multi-line single-command Test
+        uses: ./
+        with:
+          timeout_minutes: 1
+          max_attempts: 2
+          shell: cmd
+          command: >-
+            echo "this is
+            a test"
 
   # runs on push to master only
   cd:

README.md

@@ -25,8 +25,8 @@ Retries an Action step on failure or timeout. This is currently intended to repl
 **Optional** Number of seconds to wait before attempting the next retry. Defaults to `10`
 
 ### `shell`
-    
-**Optional** Shell to use to execute `command`. Defaults to `powershell` on Windows, `bash` otherwise.  Supports bash, python, pwsh, sh, cmd, and powershell per [docs](https://docs.github.com/en/free-pro-team@latest/actions/reference/workflow-syntax-for-github-actions#using-a-specific-shell)
+
+**Optional** Shell to use to execute `command`. Defaults to `powershell` on Windows, `bash` otherwise. Supports bash, python, pwsh, sh, cmd, and powershell per [docs](https://docs.github.com/en/free-pro-team@latest/actions/reference/workflow-syntax-for-github-actions#using-a-specific-shell)
 
 ### `polling_interval_seconds`
 
@@ -42,7 +42,7 @@ Retries an Action step on failure or timeout. This is currently intended to repl
 
 ### `on_retry_command`
 
-**Optional** Command to run before a retry (such as a cleanup script).  Any error thrown from retry command is caught and surfaced as a warning.
+**Optional** Command to run before a retry (such as a cleanup script). Any error thrown from retry command is caught and surfaced as a warning.
 
 ## Outputs
 
@@ -153,6 +153,33 @@ with:
   on_retry_command: npm run cleanup-flaky-script-output
 ```
 
+### Run multi-line, multi-command script
+
+```yaml
+name: Multi-line multi-command Test
+uses: ./
+with:
+  timeout_minutes: 1
+  max_attempts: 2
+  command: |
+    print('a', 'b', 'c')
+    print('1', '2', '3')
+```
+
+### Run multi-line, single-command script
+
+```yaml
+name: Multi-line single-command Test
+uses: ./
+with:
+  timeout_minutes: 1
+  max_attempts: 2
+  shell: cmd
+  command: >-
+    echo "this is
+ a test"
+```
+
 ## Requirements
 
 NodeJS is required for this action to run. This runs without issue on all GitHub hosted runners but if you are running into issues with this on self hosted runners ensure NodeJS is installed.