From 060a5f2599fc9c9a9afa7fae373220e77087edcb Mon Sep 17 00:00:00 2001
From: Dennis Klein <d.klein@gsi.de>
Date: Sat, 29 Nov 2025 10:49:51 +0100
Subject: [PATCH] ci: add OCI registry login for buildcache push

---
 .github/workflows/buildcache.yml | 5 +++++
 1 file changed, 5 insertions(+)

diff --git a/.github/workflows/buildcache.yml b/.github/workflows/buildcache.yml
index 0c2b249d..10367519 100644
--- a/.github/workflows/buildcache.yml
+++ b/.github/workflows/buildcache.yml
@@ -37,6 +37,11 @@ jobs:
           gcc: ${{ matrix.gcc }}
           fresh: true
 
+      - name: Login to OCI registry
+        shell: spack-bash {0}
+        run: spack oci login ghcr.io --username ${{ github.actor }} --password-stdin <<< ${{ secrets.GITHUB_TOKEN }}
+
       - name: Push to buildcache
         if: ${{ !cancelled() }}
+        shell: spack-bash {0}
         run: spack buildcache push --unsigned --update-index local-buildcache