circleci: preserve cached build artifacts, only remove logs

Signed-off-by: Thierry Laurion <insurgo@riseup.net>

Author: tlaurion

.circleci/config.yml

@@ -74,6 +74,21 @@ jobs:
           name: Creating musl-cross-make and musl-cross-make patches digest (musl-cross-make cache digest)
           command: |
             find ./flake.lock modules/musl-cross-make* -type f | sort -h | xargs sha256sum > ./tmpDir/musl-cross-make.sha256sums
+      - restore_cache:
+          # First matched/found key wins and following keys are not tried
+          keys:
+            # Cache for matching modules digest, validated to be exactly the same as in GitHub current commit.
+            # This cache was made on top of below caches, if previously existing.
+            # If no module definition changed, we reuse this one
+            # x86 caches
+            - nix-docker-heads-modules-x86-{{ checksum "./tmpDir/all_modules_and_patches.sha256sums" }}{{ .Environment.CACHE_VERSION }}
+            - nix-docker-heads-coreboot-musl-cross-make-x86-{{ checksum "./tmpDir/coreboot_musl-cross-make.sha256sums" }}{{ .Environment.CACHE_VERSION }}
+            - nix-docker-heads-musl-cross-make-x86-{{ checksum "./tmpDir/musl-cross-make.sha256sums" }}{{ .Environment.CACHE_VERSION }}
+            # Cache for coreboot module (and patches) and musl-cross-make digests (coreboot: triannual release)
+            # ppc64 caches
+            - nix-docker-heads-modules-ppc64-{{ checksum "./tmpDir/all_modules_and_patches.sha256sums" }}{{ .Environment.CACHE_VERSION }}
+            - nix-docker-heads-coreboot-musl-cross-make-ppc64-{{ checksum "./tmpDir/coreboot_musl-cross-make.sha256sums" }}{{ .Environment.CACHE_VERSION }}
+            - nix-docker-heads-musl-cross-make-ppc64-{{ checksum "./tmpDir/musl-cross-make.sha256sums" }}{{ .Environment.CACHE_VERSION }}
       - run:
           name: Download and neuter xx20 ME (keep generated GBE and extracted IFD in tree)
           command: |
@@ -109,63 +124,6 @@ jobs:
           paths:
             - .
 
-  x86-prep:
-    docker:
-      # Docker image: tlaurion/heads-dev-env:v0.2.9
-      - image: tlaurion/heads-dev-env@sha256:96f8f91c6464305c4a990d59f9ef93910c16c7fd0501a46b43b34a4600a368de
-    resource_class: large
-    working_directory: ~/heads
-    steps:
-      - attach_workspace:
-          at: ~/heads
-      - restore_cache:
-          # First matched/found key wins and following keys are not tried
-          # Cache for matching modules digest, validated to be exactly the same as in GitHub current commit.
-          # This cache was made on top of below caches, if previously existing.
-          keys:
-            - nix-docker-heads-modules-x86-{{ checksum "./tmpDir/all_modules_and_patches.sha256sums" }}{{ .Environment.CACHE_VERSION }}
-            - nix-docker-heads-coreboot-musl-cross-make-x86-{{ checksum "./tmpDir/coreboot_musl-cross-make.sha256sums" }}{{ .Environment.CACHE_VERSION }}
-            - nix-docker-heads-musl-cross-make-x86-{{ checksum "./tmpDir/musl-cross-make.sha256sums" }}{{ .Environment.CACHE_VERSION }}
-      # persist_to_workspace only runs on cache hit (when: on_success)
-      # because if cache misses, directories don't exist yet
-      - persist_to_workspace:
-          when: on_success
-          workspace: x86
-          root: ~/heads
-          paths:
-            - packages/x86
-            - build/x86
-            - crossgcc/x86
-            - install/x86
-
-  ppc64-prep:
-    docker:
-      # Docker image: tlaurion/heads-dev-env:v0.2.9
-      - image: tlaurion/heads-dev-env@sha256:96f8f91c6464305c4a990d59f9ef93910c16c7fd0501a46b43b34a4600a368de
-    resource_class: large
-    working_directory: ~/heads
-    steps:
-      - attach_workspace:
-          at: ~/heads
-      - restore_cache:
-          # First matched/found key wins and following keys are not tried
-          # Cache for coreboot module (and patches) and musl-cross-make digests (coreboot: triannual release)
-          keys:
-            - nix-docker-heads-modules-ppc64-{{ checksum "./tmpDir/all_modules_and_patches.sha256sums" }}{{ .Environment.CACHE_VERSION }}
-            - nix-docker-heads-coreboot-musl-cross-make-ppc64-{{ checksum "./tmpDir/coreboot_musl-cross-make.sha256sums" }}{{ .Environment.CACHE_VERSION }}
-            - nix-docker-heads-musl-cross-make-ppc64-{{ checksum "./tmpDir/musl-cross-make.sha256sums" }}{{ .Environment.CACHE_VERSION }}
-      # persist_to_workspace only runs on cache hit (when: on_success)
-      # because if cache misses, directories don't exist yet
-      - persist_to_workspace:
-          when: on_success
-          workspace: ppc64
-          root: ~/heads
-          paths:
-            - packages/ppc64
-            - build/ppc64
-            - crossgcc/ppc64
-            - install/ppc64
-
   build_and_persist:
     docker:
       # Docker image: tlaurion/heads-dev-env:v0.2.9
@@ -176,23 +134,18 @@ jobs:
       arch:
         type: string
         default: x86
-      workspace:
-        type: string
-        default: x86
       target:
         type: string
       subcommand:
         type: string
     steps:
       - attach_workspace:
           at: ~/heads
-          workspace: << parameters.workspace >>
       - build_board:
           arch: << parameters.arch >>
           target: << parameters.target >>
           subcommand: << parameters.subcommand >>
       - persist_to_workspace:
-          workspace: << parameters.workspace >>
           root: ~/heads
           paths:
             - packages/<< parameters.arch >>
@@ -210,17 +163,13 @@ jobs:
       arch:
         type: string
         default: x86
-      workspace:
-        type: string
-        default: x86
       target:
         type: string
       subcommand:
         type: string
     steps:
       - attach_workspace:
           at: ~/heads
-          workspace: << parameters.workspace >>
       - build_board:
           arch: <<parameters.arch>>
           target: <<parameters.target>>
@@ -235,7 +184,6 @@ jobs:
     steps:
       - attach_workspace:
           at: ~/heads
-          workspace: x86
       - save_cache:
           # Generate cache for the same musl-cross-make module definition if hash is not previously existing
           # CircleCI removed their wildcard support, so we have to list precise versions to cache in directory names
@@ -280,7 +228,6 @@ jobs:
     steps:
       - attach_workspace:
           at: ~/heads
-          workspace: ppc64
       - save_cache:
           # Generate cache for the same musl-cross-make module definition if hash is not previously existing
           # CircleCI removed their wildcard support, so we have to list precise versions to cache in directory names
@@ -313,30 +260,23 @@ workflows:
     max_auto_reruns: 3
     jobs:
       - prep_env
-      - x86-prep:
-          requires:
-            - prep_env
-      - ppc64-prep:
-          requires:
-            - prep_env
 
       # This step builds musl-cross-make for x86 architecture, which will be used by subsequent x86 board builds
       - build_and_persist:
           name: x86-musl-cross-make
           target: EOL_t480-hotp-maximized
           subcommand: "musl-cross-make"
           requires:
-            - x86-prep
+            - prep_env
 
       # This step builds musl-cross-make for ppc64 architecture, which will be used by subsequent ppc64 board builds
       - build_and_persist:
           name: ppc64-musl-cross-make
           arch: ppc64
-          workspace: ppc64
           target: UNTESTED_talos-2
           subcommand: "musl-cross-make"
           requires:
-            - ppc64-prep
+            - prep_env
 
       # Below, sequentially build one board for each coreboot version.
       # The last board in the sequence is the dependency for the parallel boards built at the end, and also save_cache.
@@ -369,7 +309,6 @@ workflows:
       - build_and_persist:
           name: UNTESTED_talos-2
           arch: ppc64
-          workspace: ppc64
           target: UNTESTED_talos-2
           subcommand: ""
           requires: