From 1f4656fa3ec2c68b1c3df2ea8ebc6137689b48e5 Mon Sep 17 00:00:00 2001
From: Robert Resch <robert@resch.dev>
Date: Wed, 4 Feb 2026 21:33:20 +0100
Subject: [PATCH] Add shell

---
 .github/actions/builder/action.yml | 3 +++
 1 file changed, 3 insertions(+)

diff --git a/.github/actions/builder/action.yml b/.github/actions/builder/action.yml
index 627c9f70d2f..8dab58cbb5d 100644
--- a/.github/actions/builder/action.yml
+++ b/.github/actions/builder/action.yml
@@ -31,6 +31,7 @@ runs:
       uses: docker/setup-buildx-action@8d2750c68a42422c14e847fe6c8ac0403b4cbd6f # v3.12.0
 
     - name: Verify base image signature
+      shell: bash
       run: |
         cosign verify \
           --certificate-oidc-issuer https://token.actions.githubusercontent.com \
@@ -41,6 +42,7 @@ runs:
       id: cache
       continue-on-error: true
       if: ${{ inputs.cache-image != '' }}
+      shell: bash
       run: |
         cosign verify \
           --certificate-oidc-issuer https://token.actions.githubusercontent.com \
@@ -63,5 +65,6 @@ runs:
         labels: ${{ inputs.labels }}
 
     - name: Sign image
+      shell: bash
       run: |
         cosign sign --yes "${{ inputs.tag }}@${{ steps.build.outputs.digest }}"