chore: adds makefile target for embedded FS check (knative#2915)

Author: lkingland

.github/workflows/test-embedded-fs.yaml

@@ -1,10 +1,10 @@
-name: Func Embedded FS Test
+name: Func Check Embedded FS
 
 on: [pull_request]
 
 jobs:
   test:
-    name: Func Embedded FS Test
+    name: Func Check Embedded FS
     strategy:
       matrix:
         os: ["ubuntu-latest"]
@@ -14,7 +14,7 @@ jobs:
       - uses: knative/actions/setup-go@main
       - name: Check embedded templates content
         run: |
-          if ! go test -run "^\QTestFileSystems\E$/^\Qembedded\E$" ./pkg/filesystem; then
+          if ! make check-embedded-fs; then
             echo "Content of templates directory and embedded FS (zz_filesystem_generated.go) doesn't match!"
             echo "Consult https:.github.com/knative/func/blob/main/docs/CONTRIBUTING.md#templates ."
             exit 1

Makefile

@@ -133,6 +133,10 @@ presubmit-unit-tests: ## Run prow presubmit unit tests locally
 ##@ Templates
 #############
 
+.PHONY: check-embedded-fs
+check-embedded-fs: ## Check the embedded templates FS
+	go test -run "^\QTestFileSystems\E$$/^\Qembedded\E$$" ./pkg/filesystem
+
 # TODO: add linters for other templates
 .PHONY: check-templates
 check-templates: check-go check-rust ## Run template source code checks