chore: rely on the testing during coverage generation to speed up tests

.github/workflows/build.yml

@@ -82,7 +82,7 @@ jobs:
       fail-fast: false
       matrix:
         os:
-          - ubuntu-latest
+          # The coverage action actually is running the Linux-based test.
           - windows-latest
     runs-on: ${{ matrix.os }}
     steps:

.github/workflows/codecov.yml

@@ -6,9 +6,6 @@ on:
   pull_request:
     branches: [main, "rust-v*"]
 
-env:
-  DEFAULT_FEATURES: "azure,datafusion,s3,gcs,glue,hdfs "
-
 jobs:
   coverage:
     runs-on: ubuntu-latest
@@ -26,7 +23,7 @@ jobs:
         uses: taiki-e/install-action@cargo-llvm-cov
       - uses: Swatinem/rust-cache@v2
       - name: Generate code coverage
-        run: cargo llvm-cov --features ${DEFAULT_FEATURES} --workspace --codecov --output-path codecov.json -- --skip read_table_version_hdfs --skip test_read_tables_lakefs
+        run: gmake coverage
       - name: Upload coverage to Codecov
         uses: codecov/codecov-action@v4
         with:

Makefile

@@ -6,17 +6,23 @@
 
 .DEFAULT_GOAL := help
 DAT_VERSION := 0.0.3
+DEFAULT_FEATURES := "azure,datafusion,s3,gcs,glue,hdfs"
+
+# Disable full debug symbol generation to speed up CI build and keep memory down
+export RUSTFLAGS:= -C debuginfo=line-tables-only
+# Disable incremental builds by cargo for CI which should save disk space
+# and hopefully avoid final link "No space left on device"
+export CARGO_INCREMENTAL:=0
 
 ## begin dat related
 ####################
 .PHONY: setup-dat
-setup-dat: dat/deltalake-dat-v$(DAT_VERSION) ## Download and setup the Delta Acceptance Tests (dat)
+setup-dat: dat/v$(DAT_VERSION) ## Download and setup the Delta Acceptance Tests (dat)
 
 dat:
 	mkdir -p dat
 
-dat/deltalake-dat-v$(DAT_VERSION): dat  ## Download DAT test files into ./dat
-	rm -rf dat/v$(DAT_VERSION)
+dat/v$(DAT_VERSION): dat  ## Download DAT test files into ./dat
 	curl -L --silent --output dat/deltalake-dat-v$(DAT_VERSION).tar.gz \
 		https://github.com/delta-incubator/dat/releases/download/v$(DAT_VERSION)/deltalake-dat-v$(DAT_VERSION).tar.gz
 	tar --no-same-permissions -xzf dat/deltalake-dat-v$(DAT_VERSION).tar.gz
@@ -28,9 +34,23 @@ dat/deltalake-dat-v$(DAT_VERSION): dat  ## Download DAT test files into ./dat
 ## end dat related
 
 
+.PHONY: coverage
+coverage: setup-dat ## Run Rust tests with code-coverage
+	cargo llvm-cov --features $(DEFAULT_FEATURES) --workspace \
+		--codecov \
+		--output-path codecov.json \
+		-- --skip read_table_version_hdfs --skip test_read_tables_lakefs
+
+.PHONY: check
+check: ## Run basic cargo formatting and other checks (no tests)
+	cargo fmt -- --check
+
+
+
 .PHONY: clean
 clean: ## Remove temporary and downloaded artifacts
 	rm -rf dat
+	cargo clean
 
 .PHONY: help
 help: ## Produce the helpful command listing