Limit Cache push to main branch

Author: Taucher2003

.gitlab/ci/container-build.gitlab-ci.yml

@@ -25,15 +25,20 @@
           - amd64
           - arm64
   script:
+    - CACHE_TO=""
+    - |
+      if [ "$C0_GH_REF_NAME" = "main" ]; then
+        CACHE_TO="--cache-to type=registry,ref=ghcr.io/code0-tech/reticulum/ci-cache:${image}-${PLATFORM}"
+      fi
     - >
       build_image
       $image
       $CI_PIPELINE_ID
       "
         --output type=registry,push-by-digest=true 
         --metadata-file manifest-${CI_JOB_ID}.json
-        --cache-to type=registry,ref=ghcr.io/code0-tech/reticulum/ci-cache:${image}-${PLATFORM}
         --cache-from type=registry,ref=ghcr.io/code0-tech/reticulum/ci-cache:${image}-${PLATFORM}
+        $CACHE_TO
       "
       ""
   artifacts:
@@ -45,6 +50,11 @@
   extends:
     - .image-build-base
   script:
+    - CACHE_TO=""
+    - |
+      if [ "$C0_GH_REF_NAME" = "main" ]; then
+        CACHE_TO="--cache-to type=registry,ref=ghcr.io/code0-tech/reticulum/ci-cache:${image}-${VARIANT}-${PLATFORM}"
+      fi
     - >
       build_image 
       $image
@@ -53,8 +63,8 @@
         --build-arg VARIANT=$VARIANT
         --output type=registry,push-by-digest=true
         --metadata-file manifest-${CI_JOB_ID}.json
-        --cache-to type=registry,ref=ghcr.io/code0-tech/reticulum/ci-cache:${image}-${VARIANT}-${PLATFORM}
         --cache-from type=registry,ref=ghcr.io/code0-tech/reticulum/ci-cache:${image}-${VARIANT}-${PLATFORM}
+        $CACHE_TO
       "
       ""
   artifacts: