chore: add missing .PHONY statements to Makefile (knative#2878)

Author: lkingland

Makefile

@@ -40,15 +40,15 @@ export GOFLAGS
 
 MAKEFILE_DIR := $(dir $(abspath $(lastword $(MAKEFILE_LIST))))
 
-.PHONY: test docs
-
 # Default Targets
+.PHONY: all
 all: build docs
 	@echo '🎉 Build process completed!'
 
 # Help Text
 # Headings: lines with `##$` comment prefix
 # Targets:  printed if their line includes a `##` comment
+.PHONY: help
 help:
 	@echo 'Usage: make <OPTIONS> ... <TARGETS>'
 	@echo ''
@@ -60,6 +60,7 @@ help:
 ##@ Development
 ###############
 
+.PHONY: build
 build: $(BIN) ## (default) Build binary for current OS
 
 .PHONY: $(BIN)
@@ -123,6 +124,7 @@ docs:
 ##@ Prow Integration
 #############
 
+.PHONY: presubmit-unit-tests
 presubmit-unit-tests: ## Run prow presubmit unit tests locally
 	docker run --platform linux/amd64 -it --rm -v$(MAKEFILE_DIR):/src/ us-docker.pkg.dev/knative-tests/images/prow-tests:v20230616-086ddd644 sh -c 'cd /src && runner.sh ./test/presubmit-tests.sh --unit-tests'
 
@@ -147,31 +149,39 @@ check-rust: ## Check Rust templates' source
 	cd templates/rust/cloudevents && cargo clippy && cargo clean
 	cd templates/rust/http && cargo clippy && cargo clean
 
+.PHONY: test-templates
 test-templates: test-go test-node test-python test-quarkus test-springboot test-rust test-typescript ## Run all template tests
 
+.PHONY: test-go
 test-go: ## Test Go templates
 	cd templates/go/cloudevents && go mod tidy && go test
 	cd templates/go/http && go mod tidy && go test
 
+.PHONY: test-node
 test-node: ## Test Node templates
 	cd templates/node/cloudevents && npm ci && npm test && rm -rf node_modules
 	cd templates/node/http && npm ci && npm test && rm -rf node_modules
 
+.PHONY: test-python
 test-python: ## Test Python templates and Scaffolding
 	test/test_python.sh
 
+.PHONY: test-quarkus
 test-quarkus: ## Test Quarkus templates
 	cd templates/quarkus/cloudevents && ./mvnw -q test && ./mvnw clean && rm .mvn/wrapper/maven-wrapper.jar
 	cd templates/quarkus/http && ./mvnw -q test && ./mvnw clean && rm .mvn/wrapper/maven-wrapper.jar
 
+.PHONY: test-springboot
 test-springboot: ## Test Spring Boot templates
 	cd templates/springboot/cloudevents && ./mvnw -q test && ./mvnw clean && rm .mvn/wrapper/maven-wrapper.jar
 	cd templates/springboot/http && ./mvnw -q test && ./mvnw clean && rm .mvn/wrapper/maven-wrapper.jar
 
+.PHONY: test-rust
 test-rust: ## Test Rust templates
 	cd templates/rust/cloudevents && cargo -q test && cargo clean
 	cd templates/rust/http && cargo -q test && cargo clean
 
+.PHONY: test-typescript
 test-typescript: ## Test Typescript templates
 	cd templates/typescript/cloudevents && npm ci && npm test && rm -rf node_modules build
 	cd templates/typescript/http && npm ci && npm test && rm -rf node_modules build
@@ -181,16 +191,18 @@ test-typescript: ## Test Typescript templates
 ###############
 
 # Pulls runtimes then rebuilds the embedded filesystem
+.PHONY: update-runtimes
 update-runtimes:  update-runtime-go generate/zz_filesystem_generated.go ## Update Scaffolding Runtimes
 
+.PHONY: update-runtime-go
 update-runtime-go:
 	cd templates/go/scaffolding/instanced-http && go get -u knative.dev/func-go/http
 	cd templates/go/scaffolding/static-http && go get -u knative.dev/func-go/http
 	cd templates/go/scaffolding/instanced-cloudevents && go get -u knative.dev/func-go/cloudevents
 	cd templates/go/scaffolding/static-cloudevents && go get -u knative.dev/func-go/cloudevents
 
 
-.PHONY: cert
+.PHONY: certs
 certs: templates/certs/ca-certificates.crt ## Update root certificates
 
 .PHONY: templates/certs/ca-certificates.crt
@@ -202,59 +214,70 @@ templates/certs/ca-certificates.crt:
 ##@ Extended Testing (cluster required)
 ###################
 
+.PHONY: test-integration
 test-integration: ## Run integration tests using an available cluster.
 	go test -tags integration -timeout 30m --coverprofile=coverage.txt ./... -v
 
 .PHONY: func-instrumented
-
 func-instrumented: ## Func binary that is instrumented for e2e tests
 	env CGO_ENABLED=1 go build -cover -o func ./cmd/$(BIN)
 
+.PHONY: test-e2e
 test-e2e: func-instrumented ## Run end-to-end tests using an available cluster.
 	./test/e2e_extended_tests.sh
 
+.PHONY: test-e2e-runtime
 test-e2e-runtime: func-instrumented ## Run end-to-end lifecycle tests using an available cluster for a single runtime.
 	./test/e2e_lifecycle_tests.sh $(runtime)
 
+.PHONY: test-e2e-on-cluster
 test-e2e-on-cluster: func-instrumented ## Run end-to-end on-cluster build tests using an available cluster.
 	./test/e2e_oncluster_tests.sh
 
 ######################
 ##@ Release Artifacts
 ######################
 
+.PHONY: cross-platform
 cross-platform: darwin-arm64 darwin-amd64 linux-amd64 linux-arm64 linux-ppc64le linux-s390x windows ## Build all distributable (cross-platform) binaries
 
+.PHONY: darwin-arm64
 darwin-arm64: $(BIN_DARWIN_ARM64) ## Build for mac M1
 
 $(BIN_DARWIN_ARM64): generate/zz_filesystem_generated.go
 	env CGO_ENABLED=0 GOOS=darwin GOARCH=arm64 go build -o $(BIN_DARWIN_ARM64) -trimpath -ldflags "$(LDFLAGS) -w -s" ./cmd/$(BIN)
 
+.PHONY: darwn-amd64
 darwin-amd64: $(BIN_DARWIN_AMD64) ## Build for Darwin (macOS)
 
 $(BIN_DARWIN_AMD64): generate/zz_filesystem_generated.go
 	env CGO_ENABLED=0 GOOS=darwin GOARCH=amd64 go build -o $(BIN_DARWIN_AMD64) -trimpath -ldflags "$(LDFLAGS) -w -s" ./cmd/$(BIN)
 
+.PHONY: linux-amd64
 linux-amd64: $(BIN_LINUX_AMD64) ## Build for Linux amd64
 
 $(BIN_LINUX_AMD64): generate/zz_filesystem_generated.go
 	env CGO_ENABLED=0 GOOS=linux GOARCH=amd64 go build -o $(BIN_LINUX_AMD64) -trimpath -ldflags "$(LDFLAGS) -w -s" ./cmd/$(BIN)
 
+.PHONY: linux-arm64
 linux-arm64: $(BIN_LINUX_ARM64) ## Build for Linux arm64
 
 $(BIN_LINUX_ARM64): generate/zz_filesystem_generated.go
 	env CGO_ENABLED=0 GOOS=linux GOARCH=arm64 go build -o $(BIN_LINUX_ARM64) -trimpath -ldflags "$(LDFLAGS) -w -s" ./cmd/$(BIN)
 
+.PHONY: linux-ppc64le
 linux-ppc64le: $(BIN_LINUX_PPC64LE) ## Build for Linux ppc64le
 
 $(BIN_LINUX_PPC64LE): generate/zz_filesystem_generated.go
 	env CGO_ENABLED=0 GOOS=linux GOARCH=ppc64le go build -o $(BIN_LINUX_PPC64LE) -trimpath -ldflags "$(LDFLAGS) -w -s" ./cmd/$(BIN)
 
+.PHONY: linux-s390x
 linux-s390x: $(BIN_LINUX_S390X) ## Build for Linux s390x
 
 $(BIN_LINUX_S390X): generate/zz_filesystem_generated.go
 	env CGO_ENABLED=0 GOOS=linux GOARCH=s390x go build -o $(BIN_LINUX_S390X) -trimpath -ldflags "$(LDFLAGS) -w -s" ./cmd/$(BIN)
 
+.PHONY: windows
 windows: $(BIN_WINDOWS) ## Build for Windows
 
 $(BIN_WINDOWS): generate/zz_filesystem_generated.go
@@ -264,10 +287,12 @@ $(BIN_WINDOWS): generate/zz_filesystem_generated.go
 ##@ Schemas
 ######################
 
+.PHONY: schema-generate
 schema-generate: schema/func_yaml-schema.json ## Generate func.yaml schema
 schema/func_yaml-schema.json: pkg/functions/function.go pkg/functions/function_*.go
 	go run schema/generator/main.go
 
+.PHONY: schema-check
 schema-check: ## Check that func.yaml schema is up-to-date
 	mv schema/func_yaml-schema.json schema/func_yaml-schema-previous.json
 	make schema-generate