Chore: Spare memory on CI

.gitlab-ci.yml

@@ -1,22 +1,26 @@
 image: rust:latest
 
+# Use shallow clone to reduce checkout size
+variables:
+  GIT_DEPTH: "1"
+  # Put cargo home and target under project dir so we can clean them easily
+  CARGO_HOME: "$CI_PROJECT_DIR/.cargo"
+  CARGO_TARGET_DIR: "$CI_PROJECT_DIR/ci-target"
+  GIT_SUBMODULE_STRATEGY: normal
+
+# Cache only cargo registries/git metadata to speed dependency fetches.
+# Avoid caching compiled `target` artifacts which are large and easily fill disk.
 .rust_cache: &rust_cache
   cache:
-    # key: $CI_COMMIT_REF_SLUG
+    key: "$CI_JOB_NAME-$CI_COMMIT_REF_SLUG"
     paths:
-      # Don't include `incremental` to save space
-      # Debug
-      - target/debug/build/
-      - target/debug/deps/
-      - target/debug/.fingerprint/
-      - target/debug/.cargo-lock
-      # Release
-      - target/release/build/
-      - target/release/deps/
-      - target/release/.fingerprint/
-      - target/release/.cargo-lock
+      - .cargo/registry
+      - .cargo/git
 
 before_script:
+  - df -h
+  - echo "Cleaning stale targets to free space if present"
+  - rm -rf "$CI_PROJECT_DIR/target" "$CI_PROJECT_DIR/ci-target" || true
   - apt-get update -qq && apt-get install -y -qq libudev-dev libgtk-3-dev grep llvm clang libclang-dev libsdl2-dev libsdl2-gfx-dev
 
 stages:
@@ -33,6 +37,9 @@ format:
   script:
     - rustup component add rustfmt || true
     - cargo fmt --check
+  after_script:
+    - du -sh "$CI_PROJECT_DIR/ci-target" || true
+    - rm -rf "$CI_PROJECT_DIR/ci-target" || true
 
 check:
   except:
@@ -44,6 +51,8 @@ check:
     # deny currently catches too much
     #- cargo install cargo-deny && cargo deny
     - cargo install cargo-cranky && cargo cranky
+  after_script:
+    - rm -rf "$CI_PROJECT_DIR/ci-target" || true
 
 test:
   except:
@@ -52,6 +61,8 @@ test:
   script:
     - mkdir -p .git/hooks > /dev/null
     - cargo test --locked --all
+  after_script:
+    - rm -rf "$CI_PROJECT_DIR/ci-target" || true
 
 release:
   only:
@@ -64,6 +75,9 @@ release:
     paths:
       - vendor_asusctl*.tar.xz
       - cargo-config
+    expire_in: 1 week
+  after_script:
+    - rm -rf vendor vendor_asusctl*.tar.xz "$CI_PROJECT_DIR/ci-target" || true
 
 pages:
   stage: deploy
@@ -74,11 +88,11 @@ pages:
     - cargo doc --locked --document-private-items --no-deps --workspace
     - rm -rf public
     - mkdir public
-    - cp -R target/doc/* public
+    - cp -R ci-target/doc/* public
     - cp extra/index.html public
   artifacts:
     paths:
       - public
-
-variables:
-  GIT_SUBMODULE_STRATEGY: normal
+    expire_in: 1 week
+  after_script:
+    - rm -rf "$CI_PROJECT_DIR/ci-target" || true