Use build cache views feature in CI

Signed-off-by: Ryan Krattiger <ryan.krattiger@kitware.com>

Author: kwryankrattiger

.ci/env

@@ -1,2 +1,2 @@
-SPACK_CHECKOUT_VERSION=63a41706da7db43ccbabf8e1d0d5233456596907
+SPACK_CHECKOUT_VERSION=33b4f8afb2a7f4918e52483d318a9070791b5154
 SPACK_CHECKOUT_REPO=spack/spack

.ci/gitlab/configs/copy-only-protected-mirrors.yaml.in

@@ -1,11 +1,19 @@
 mirrors:
-  buildcache-source:
+  buildcache-source-legacy:
     fetch: ${PROTECTED_MIRROR_FETCH_DOMAIN}/${PR_TARGET_REF_NAME}/${SPACK_CI_STACK_NAME}
     push: ${PROTECTED_MIRROR_PUSH_DOMAIN}/${PR_TARGET_REF_NAME}/${SPACK_CI_STACK_NAME}
+    view: ${SPACK_CI_STACK_NAME}
+    source: False
+    binary: True
+  buildcache-source:
+    fetch: ${PROTECTED_MIRROR_FETCH_DOMAIN}/${PR_TARGET_REF_NAME}
+    push: ${PROTECTED_MIRROR_PUSH_DOMAIN}/${PR_TARGET_REF_NAME}
+    view: ${SPACK_CI_STACK_NAME}
     source: False
     binary: True
   buildcache-destination:
-    fetch: ${PR_MIRROR_FETCH_DOMAIN}/${CI_PROJECT_NAME}/${CI_COMMIT_REF_NAME}/${SPACK_CI_STACK_NAME}
-    push: ${PR_MIRROR_PUSH_DOMAIN}/${CI_PROJECT_NAME}/${CI_COMMIT_REF_NAME}/${SPACK_CI_STACK_NAME}
+    fetch: ${PR_MIRROR_FETCH_DOMAIN}/${CI_PROJECT_NAME}/${CI_COMMIT_REF_NAME}
+    push: ${PR_MIRROR_PUSH_DOMAIN}/${CI_PROJECT_NAME}/${CI_COMMIT_REF_NAME}
+    view: ${SPACK_CI_STACK_NAME}
     source: False
     binary: True

.ci/gitlab/configs/multi-src-mirrors.yaml.in

@@ -1,6 +1,13 @@
 mirrors:
+  # Look at the no view top level to avoid rebuilding the world
+  buildcache-noview:
+    fetch: ${PR_MIRROR_FETCH_DOMAIN}/${CI_COMMIT_REF_NAME}
+    push: ${PR_MIRROR_PUSH_DOMAIN}/${CI_COMMIT_REF_NAME}
+    source: False
+    binary: True
   buildcache-destination:
-    fetch: ${PR_MIRROR_FETCH_DOMAIN}/${CI_COMMIT_REF_NAME}/${SPACK_CI_STACK_NAME}
-    push: ${PR_MIRROR_PUSH_DOMAIN}/${CI_COMMIT_REF_NAME}/${SPACK_CI_STACK_NAME}
+    fetch: ${PR_MIRROR_FETCH_DOMAIN}/${CI_COMMIT_REF_NAME}
+    push: ${PR_MIRROR_PUSH_DOMAIN}/${CI_COMMIT_REF_NAME}
+    view: ${SPACK_CI_STACK_NAME}
     source: False
     binary: True

.ci/gitlab/configs/single-src-pr-mirrors.yaml.in

@@ -1,6 +1,13 @@
 mirrors:
+  # Look at the no view top level to avoid rebuilding the world
+  buildcache-noview:
+    fetch: ${PROTECTED_MIRROR_FETCH_DOMAIN}/${CI_COMMIT_REF_NAME}
+    push: ${PROTECTED_MIRROR_PUSH_DOMAIN}/${CI_COMMIT_REF_NAME}
+    source: False
+    binary: True
   buildcache-destination:
-    fetch: ${PROTECTED_MIRROR_FETCH_DOMAIN}/${CI_COMMIT_REF_NAME}/${SPACK_CI_STACK_NAME}
-    push: ${PROTECTED_MIRROR_PUSH_DOMAIN}/${CI_COMMIT_REF_NAME}/${SPACK_CI_STACK_NAME}
+    fetch: ${PROTECTED_MIRROR_FETCH_DOMAIN}/${CI_COMMIT_REF_NAME}
+    push: ${PROTECTED_MIRROR_PUSH_DOMAIN}/${CI_COMMIT_REF_NAME}
+    view: ${SPACK_CI_STACK_NAME}
     source: False
     binary: True