perf: add diff ref param to build

Author: andhreljaKern

.github/workflows/pi_build.yml

@@ -37,4 +37,6 @@ jobs:
 
       - name: Run build
         run: |
-          bash cicd-deployment-scripts/pi/build.sh -p "${{ github.event.pull_request.number }}"
+          bash cicd-deployment-scripts/pi/build.sh \
+            -p "${{ github.event.pull_request.number }}" \
+            -r "${{ github.repository.default_branch }}" \

pi/build.sh

@@ -3,15 +3,18 @@
 set -e
 
 PR_NUMBER=""
+DIFF_REF="dev"
 
-while getopts p: flag
+while getopts p:r: flag
 do
     case "${flag}" in
         p) PR_NUMBER=${OPTARG};;
+        r) DIFF_REF=${OPTARG};;
     esac
 done
 
-UPDATED_FILES=$(git diff --name-only)
+git diff $DIFF_REF --color
+UPDATED_FILES=$(git diff $DIFF_REF --name-only)
 while IFS= read -r file; do
     if [[ $file != requirements/* ]] || [[ $file != *.in ]]; then
         continue