fix: pass in github workspace

Author: kaiwalyajoshi

.github/workflows/build-on-demand.yaml

@@ -45,5 +45,5 @@ jobs:
         id: build-and-push-image
         run: |
           IMAGE_TIMESTAMP=$(date -u +%Y%m%dT%H%M%SZ)
-          devbox run -- make publish-trivy-bundled-image -e TRIVY_VERSION=${{ inputs.trivyVersion }} -e TIMESTAMP=$IMAGE_TIMESTAMP
+          devbox run -- make publish-trivy-bundled-image -e TRIVY_VERSION=${{ inputs.trivyVersion }} -e TIMESTAMP=$IMAGE_TIMESTAMP -e ROOT_DIR=${{ github.WORKSPACE }}
           echo "IMAGE_TIMESTAMP=$IMAGE_TIMESTAMP" >> $GITHUB_OUTPUT

Makefile

@@ -2,7 +2,7 @@ ifeq ($(origin TRIVY_VERSION), undefined)
 $(error Required env-var TRIVY_VERSION has not been set, please set TRIVY_VERSION to the version matching the NKP/DKP release. See README for details)	
 endif 
 
-ROOT_DIR := $(shell git rev-parse --show-toplevel)
+ROOT_DIR ?= $(shell git rev-parse --show-toplevel)
 TIMESTAMP ?= $(shell date -u +%Y%m%dT%H%M%SZ )
 
 REGISTRY ?= docker.io