add force-cache-upload params

examples/pipeline-go.yaml

@@ -20,6 +20,9 @@ spec:
     - name: image
       type: string
       default: cgr.dev/chainguard/go
+    - name: force-cache-upload
+      type: string
+      default: "false"
   workspaces:
     - name: source
   tasks:
@@ -57,7 +60,7 @@ spec:
                 value: $(params.repo_url)
               - name: revision
                 value: $(params.revision)
-          - name: fetch-cache
+          - name: cache-fetch
             ref:
               resolver: http
               params:
@@ -100,3 +103,5 @@ spec:
                 value: $(workspaces.source.path)/cache
               - name: workingdir
                 value: $(workspaces.source.path)/repo
+              - name: force-cache-upload
+                value: $(params.force-cache-upload)

tekton/cache-upload.yaml

@@ -33,6 +33,11 @@ spec:
         Whether to use insecure mode for fetching the cache
       type: string
       default: "false"
+    - name: force-cache-upload
+      description: |
+        Whether to force the cache upload even if it was fetched previously
+      type: string
+      default: "false"
   env:
     - name: PARAM_TARGET
       value: $(params.target)
@@ -42,14 +47,17 @@ spec:
       value: $(params.workingdir)
     - name: PARAM_INSECURE
       value: $(params.insecure)
-    - name: CACHE_FETCHED
-      value: $(steps.fetch-cache.results.fetched)
+    - name: RESULT_CACHE_FETCHED
+      value: $(steps.cache-fetch.results.fetched)
+    - name: PARAM_FORCE_CACHE_UPLOAD
+      value: $(params.force-cache-upload)
   # FIXME: use a released version once something is released :)
   image: ghcr.io/openshift-pipelines/tekton-caches/cache:latest
   args: ["$(params.patterns[*])"]
   script: |
     #!/usr/bin/env sh
-    if [[ ${CACHE_FETCHED} == "true" ]]; then
+    set -x
+    if [[ ${PARAM_FORCE_CACHE_UPLOAD} == "false" && ${RESULT_CACHE_FETCHED} == "true" ]]; then
       echo "no need to upload cache"
       exit 0
     fi