Add a "Show diff" step to show diffs in case the make check-diff step…

… fails

- The pull-docs make target does not honour Terraform provider plugin updates
  if the working Terraform provider repo already exists

Signed-off-by: Alper Rifat Ulucinar <ulucinar@users.noreply.github.com>

.github/workflows/ci.yml

@@ -118,6 +118,7 @@ jobs:
         run: make vendor vendor.check
 
       - name: Check Diff
+        id: check-diff
         run: |
           mkdir _output
           make check-diff
@@ -126,6 +127,10 @@ jobs:
           # to save a skipped resource list
           SKIPPED_RESOURCES_CSV: ../_output/skipped_resources.csv
 
+      - name: Show diff
+        if: failure() && steps.check-diff.outcome == 'failure'
+        run: git diff
+
       - name: Report Statistics
         run: head -1 _output/skipped_resources.csv
 

Makefile

@@ -141,9 +141,8 @@ $(TERRAFORM_PROVIDER_SCHEMA): $(TERRAFORM)
 	@$(OK) generating provider schema for $(TERRAFORM_PROVIDER_SOURCE) $(TERRAFORM_PROVIDER_VERSION)
 
 pull-docs:
-	@if [ ! -d "$(WORK_DIR)/$(notdir $(TERRAFORM_PROVIDER_REPO))" ]; then \
-		git clone -c advice.detachedHead=false --depth 1 --filter=blob:none --branch "v$(TERRAFORM_PROVIDER_VERSION)" --sparse "$(TERRAFORM_PROVIDER_REPO)" "$(WORK_DIR)/$(notdir $(TERRAFORM_PROVIDER_REPO))"; \
-	fi
+	rm -fR "$(WORK_DIR)/$(notdir $(TERRAFORM_PROVIDER_REPO))"
+	git clone -c advice.detachedHead=false --depth 1 --filter=blob:none --branch "v$(TERRAFORM_PROVIDER_VERSION)" --sparse "$(TERRAFORM_PROVIDER_REPO)" "$(WORK_DIR)/$(notdir $(TERRAFORM_PROVIDER_REPO))";
 	@git -C "$(WORK_DIR)/$(notdir $(TERRAFORM_PROVIDER_REPO))" sparse-checkout set "$(TERRAFORM_DOCS_PATH)"
 
 generate.init: $(TERRAFORM_PROVIDER_SCHEMA) pull-docs