added middle-step "copy-cache"

.drone.yml

@@ -25,12 +25,9 @@ steps:
   volumes:
   - name: shm
     path: /dev/shm
-  - name: cache
-    path: /run/cache
   commands:
   - mkdir -pv results/${DRONE_STAGE_NAME}/test000
   - robot -T -d results/${DRONE_STAGE_NAME}/test000 test000.robot
-  - cp -vR results /run/cache
   when:
     status:
     - success
@@ -38,6 +35,23 @@ steps:
   depends_on:
     - reveal-env
 
+- name: copy-cache
+  pull: if-not-exists
+  image: immawanderer/archlinux-rf:latest
+  volumes:
+  - name: shm
+    path: /dev/shm
+  - name: cache
+    path: /run/cache
+  commands:
+  - cp -vR results /run/cache/results-${DRONE_COMMIT_SHA}
+  when:
+    status:
+    - success
+    - failure
+  depends_on:
+    - test000
+
 volumes:
 - name: cache
   host:
@@ -78,17 +92,14 @@ steps:
   - name: cache
     path: /run/cache
   commands:
-  - ls -la . ; pwd
   - mkdir -pv archives
-  - tar cfv archives/results-${DRONE_COMMIT_SHA:0:7}.tar.zstd /run/cache/results --zstd
+  - tar cfv archives/results-${DRONE_COMMIT_SHA:0:7}.tar.zstd /run/cache/results-${DRONE_COMMIT_SHA} --zstd
   - curl -sS https://dotya.ml/store/0x28bd2388.asc | gpg --quiet --import -
   - gpg -eR 28bd2388 --trust-model always archives/results-${DRONE_COMMIT_SHA:0:7}.tar.zstd
   - sha512sum archives/results-${DRONE_COMMIT_SHA:0:7}.tar.zstd.gpg > archives/results-${DRONE_COMMIT_SHA:0:7}.tar.zstd.gpg-SHA512SUM
   - rm archives/*zstd
-  - ls -la archives
-  - mkdir -pv /run/cache
   - cp -vR archives /run/cache
-  - rm -rfv /run/cache/results
+  - rm -r /run/cache/results-${DRONE_COMMIT_SHA}
   when:
     status:
     - success