Add phony test-readme target to test that the README.md setup instructions work

Signed-off-by: Jack Baldry <[email protected]>

Author: jdbaldry

Makefile

@@ -1,17 +1,17 @@
-.PHONY: lint build-image publish-build-image
+.PHONY: lint build-image publish-build-image test-readme
 
 JSONNET_FMT := jsonnetfmt
 
 lint:
-	@RESULT=0;
-	for f in $$(find . -name '*.libsonnet' -print -o -name '*.jsonnet' -print); do
-		$(JSONNET_FMT) -- "$$f" | diff -u "$$f" -;
-		RESULT=$$(($$RESULT + $$?));
-	done;
+	@RESULT=0; \
+	for f in $$(find . -name '*.libsonnet' -print -o -name '*.jsonnet' -print); do \
+		$(JSONNET_FMT) -- "$$f" | diff -u "$$f" -; \
+		RESULT=$$(($$RESULT + $$?)); \
+	done; \
 	exit $$RESULT
 
 fmt:
-	@find . -name 'vendor' -prune -o -name '*.libsonnet' -print -o -name '*.jsonnet' -print |
+	@find . -name 'vendor' -prune -o -name '*.libsonnet' -print -o -name '*.jsonnet' -print | \
 		xargs -n 1 -- $(JSONNET_FMT) -i
 
 build-image:
@@ -21,24 +21,20 @@ publish-build-image:
 	docker push grafana/cortex-jsonnet-build-image:$(shell git rev-parse --short HEAD)
 
 build-mixin:
-	cd cortex-mixin
-	rm -rf out && mkdir out
-	jb install
-	jsonnet -J vendor -S dashboards.jsonnet -m out/
-	jsonnet -J vendor -S recording_rules.jsonnet > out/rules.yaml
+	cd cortex-mixin && \
+	rm -rf out && mkdir out && \
+	jb install && \
+	jsonnet -J vendor -S dashboards.jsonnet -m out/ && \
+	jsonnet -J vendor -S recording_rules.jsonnet > out/rules.yaml && \
 	jsonnet -J vendor -S alerts.jsonnet > out/alerts.yaml
 	zip -r cortex-mixin.zip cortex-mixin/out
+
 test-readme:
-	rm -rf -- test-readme
-	GO111MODULE=on go get github.com/grafana/tanka/cmd/tk
-	GO111MODULE=on go get github.com/jsonnet-bundler/jsonnet-bundler/cmd/jb
-	mkdir test-readme && cd test-readme
-	tk init --k8s=false
-	jb install github.com/jsonnet-libs/k8s-alpha/1.18
-	cat <<EOF > lib/k.libsonnet
-		(import "github.com/jsonnet-libs/k8s-alpha/1.18/main.libsonnet") +
-		(import "github.com/jsonnet-libs/k8s-alpha/1.18/extensions/kausal-shim.libsonnet")
-	EOF
-	jb install github.com/grafana/cortex-jsonnet/cortex
-	cp vendor/cortex/cortex-manifests.jsonnet.example environments/default/main.jsonnet
-	tk show environments/default
+	rm -rf test-readme && \
+	mkdir test-readme && cd test-readme && \
+	tk init --k8s=false && \
+	jb install github.com/jsonnet-libs/k8s-alpha/1.18 && \
+	printf '(import "github.com/jsonnet-libs/k8s-alpha/1.18/main.libsonnet")\n+(import "github.com/jsonnet-libs/k8s-alpha/1.18/extensions/kausal-shim.libsonnet")' > lib/k.libsonnet && \
+	jb install github.com/grafana/cortex-jsonnet/cortex && \
+	cp vendor/cortex/cortex-manifests.jsonnet.example environments/default/main.jsonnet && \
+	PAGER=cat tk show environments/default