fixup

Signed-off-by: Matej Vasek <[email protected]>

Makefile

@@ -32,7 +32,7 @@ LDFLAGS      := -X main.date=$(DATE) -X main.vers=$(VERS) -X main.kver=$(KVER) -
 # When running as GH PR use tekton tasks from the PR branch.
 ifeq ($(GITHUB_EVENT_NAME),pull_request)
 LDFLAGS      += -X knative.dev/func/pkg/pipelines/tekton.FuncRepoRef=$(GITHUB_REPOSITORY)
-LDFLAGS      += -X knative.dev/func/pkg/pipelines/tekton.FuncRepoBranchRef=$(GITHUB_REF_NAME)
+LDFLAGS      += -X knative.dev/func/pkg/pipelines/tekton.FuncRepoBranchRef=$(GITHUB_HEAD_REF)
 endif
 # Enclose in quotation marks.
 LDFLAGS      := "$(LDFLAGS)"