Apidiff test runs only if the changes are in api/ and exp/api/

Signed-off-by: Meghana Jangi <[email protected]>

Author: meghanajangi

Makefile

@@ -191,9 +191,11 @@ clean-temporary: ## Remove all temporary files and folders.
 clean-release: ## Remove the release folder.
 	rm -rf $(RELEASE_DIR)
 
+APIDIFF_OLD_COMMIT ?= $(shell git rev-parse origin/main)
+
 .PHONY: apidiff
 apidiff: $(GO_APIDIFF) ## Check for API differences.
-	$(GO_APIDIFF) $(shell git rev-parse origin/main) --print-compatible
+	$(GO_APIDIFF) $(APIDIFF_OLD_COMMIT) --print-compatible
 
 .PHONY: format-tiltfile
 format-tiltfile: ## Format the Tiltfile.

scripts/ci-apidiff.sh

@@ -20,9 +20,12 @@ set -o pipefail
 
 REPO_ROOT=$(dirname "${BASH_SOURCE[0]}")/..
 
-APIDIFF="${REPO_ROOT}/hack/tools/bin/go-apidiff"
-
-cd "${REPO_ROOT}" && make "${APIDIFF##*/}"
-echo "*** Running go-apidiff ***"
-
-${APIDIFF} "${PULL_BASE_SHA}" --print-compatible
+cd "${REPO_ROOT}"
+APICHANGE=$(git --no-pager diff --name-only FETCH_HEAD)
+if echo "${APICHANGE}" | grep "/api/" 
+then
+    echo "*** Running go-apidiff ***"
+    APIDIFF_OLD_COMMIT="${PULL_BASE_SHA}" make apidiff
+else
+    echo "No files under api/ or exp/api/ changed."
+fi