Turns out, we can't cleanup caches like that. :(

.gitlab-ci-unix.yml

@@ -181,11 +181,6 @@ spec:
     - cd src/sbbs3
     - touch depend
     - $[[ inputs.gnu_make ]] $[[ inputs.build_flags ]] $BUILD_ARGS gitinfo
-  cache:
-    key: "${CI_PIPELINE_ID}-gitinfo"
-    paths:
-      - "src/sbbs3/git_*.h"
-    policy: push
   artifacts:
     expire_in: 30 mins
     name: "gitinfo-$[[ inputs.os ]]-$[[ inputs.platform ]]"
@@ -193,19 +188,6 @@ spec:
       - "src/sbbs3/git_*.h"
   needs: []
 
-"$[[ inputs.os ]]-$[[ inputs.platform ]] [cleanup]":
-  stage: cleanup
-  extends:
-    - .$[[ inputs.os ]]-build
-  script:
-    - echo "Delete ${CI_PIPELINE_ID}-gitinfo"
-  cache:
-    key: "${CI_PIPELINE_ID}-gitinfo"
-    paths:
-      - "src/sbbs3/git_*.h"
-    policy: push
-  dependencies: []
-
 "$[[ inputs.os ]]-$[[ inputs.platform ]] [scfg]":
   extends:
     - .$[[ inputs.os ]]-build