From a556918ab8ca6e0eed20069316c86e72d9485f6b Mon Sep 17 00:00:00 2001
From: Jonathan Miller <230051081+jmiller-moko@users.noreply.github.com>
Date: Tue, 16 Dec 2025 18:56:23 -0600
Subject: [PATCH] Update build_zip.yml

---
 .github/workflows/build_zip.yml | 11 ++++++++++-
 1 file changed, 10 insertions(+), 1 deletion(-)

diff --git a/.github/workflows/build_zip.yml b/.github/workflows/build_zip.yml
index 81c3e5a..e517fd6 100644
--- a/.github/workflows/build_zip.yml
+++ b/.github/workflows/build_zip.yml
@@ -45,6 +45,12 @@ jobs:
             echo "ZIPINFO_AVAILABLE=false" >> "$GITHUB_ENV"
           fi
 
+          if command -v unzip >/dev/null 2>&1; then
+            echo "UNZIP_AVAILABLE=true" >> "$GITHUB_ENV"
+          else
+            echo "UNZIP_AVAILABLE=false" >> "$GITHUB_ENV"
+          fi
+
       - name: Validate inputs
         shell: bash
         run: |
@@ -149,8 +155,11 @@ jobs:
 
           if [[ "$ZIPINFO_AVAILABLE" == "true" ]]; then
             zipinfo -1 "$ZIP_PATH" > "$MANIFEST_PATH"
-          else
+          elif [[ "$UNZIP_AVAILABLE" == "true" ]]; then
             unzip -Z1 "$ZIP_PATH" > "$MANIFEST_PATH"
+          else
+            echo "ERROR: Neither zipinfo nor unzip is available to generate a manifest" >&2
+            exit 1
           fi
 
           echo "MANIFEST_PATH=$MANIFEST_PATH" >> "$GITHUB_ENV"