From f252c4dd95b48284f03ab36e16fed2fc794cac5f Mon Sep 17 00:00:00 2001
From: Derek Roberts <derek.roberts@gmail.com>
Date: Fri, 12 Jul 2024 11:21:17 -0700
Subject: [PATCH] docs: new and old digest outputs (#57)

---
 README.md | 7 ++++---
 1 file changed, 4 insertions(+), 3 deletions(-)

diff --git a/README.md b/README.md
index 5491804..9e54589 100644
--- a/README.md
+++ b/README.md
@@ -194,9 +194,9 @@ jobs:
 
 ```
 
-# Output
+# Outputs
 
-Return an image digest as output.  This applies to builds or retagged images.
+Returns digests for the new and previous images, if available.  This applies to build and retags.
 
 ```yaml
 - id: meaningful_id_name
@@ -205,7 +205,8 @@ Return an image digest as output.  This applies to builds or retagged images.
 
 - name: Echo digest
   run: |
-    echo "Image digest: ${{ steps.meaningful_id_name.outputs.digest }}"
+    echo "Digest, new: ${{ steps.meaningful_id_name.outputs.digest }}"
+    echo "Digest, old: ${{ steps.meaningful_id_name.outputs.digest_old }}"
   ...
 ```