fix(ci): Get correct file for the diff (#10507)

Author: P-R-O-C-H-Y

.github/scripts/find_new_boards.sh

@@ -2,30 +2,31 @@
 
 # Get inputs from command
 owner_repository=$1
-pr_number=$2
+base_ref=$2
 
-url="https://api.github.com/repos/$owner_repository/pulls/$pr_number/files"
-echo $url
+# Download the boards.txt file from the base branch
+curl -L -o boards_base.txt https://raw.githubusercontent.com/$owner_repository/$base_ref/boards.txt
 
-# Get changes in boards.txt file from PR
-Boards_modified_url=$(curl -s $url | jq -r '.[] | select(.filename == "boards.txt") | .raw_url')
+# Compare boards.txt file in the repo with the modified file from PR
+diff=$(diff -u boards_base.txt boards.txt)
 
-# Echo the modified boards.txt file URL
-echo "Modified boards.txt file URL:"
-echo $Boards_modified_url
-
-# Download the modified boards.txt file
-curl -L -o boards_pr.txt $Boards_modified_url
-
-# Compare boards.txt file in the repo with the modified file
-diff=$(diff -u boards.txt boards_pr.txt)
+# Check if the diff is empty
+if [ -z "$diff" ]
+then
+    echo "No changes in boards.txt file"
+    echo "FQBNS="
+    exit 0
+fi
 
 # Extract added or modified lines (lines starting with '+' or '-')
 modified_lines=$(echo "$diff" | grep -E '^[+-][^+-]')
 
+# Print the modified lines for debugging
+echo "Modified lines:"
+echo "$modified_lines"
+
 boards_array=()
 previous_board=""
-file="boards.txt"
 
 # Extract board names from the modified lines, and add them to the boards_array
 while read -r line

.github/workflows/boards.yml

@@ -29,7 +29,7 @@ jobs:
 
       - name: Get board name
         run:
-          bash .github/scripts/find_new_boards.sh ${{ github.repository }} ${{github.event.number}}
+          bash .github/scripts/find_new_boards.sh ${{ github.repository }} ${{github.base_ref}}
 
   test-boards:
     needs: find-boards