(actions) print the diff

.github/workflows/npm.yml

@@ -43,11 +43,12 @@ jobs:
       - name: Build is up-to-date
         run: |
           echo -e "\e[1m\e[35mChecking the build folder(dist) is up-to-date with the library\e[0m"
-          changed_build_files=$(git -C "$(git rev-parse --show-toplevel)" diff --name-only HEAD -- ${{ matrix.package }}/dist)
+          changed_build_files=$(git diff --name-only HEAD -- ${{ matrix.package }}/dist)
           if [ -n "$changed_build_files" ]
           then
               echo -e "\e[1m\e[31mBuild folder is out-of-sync with library. Build library, npm run build, and (ammend) commit\e[0m"
               echo -e "\e[1m\e[31mChanged files: $changed_build_files"
+              git diff HEAD -- ${{ matrix.package }}/dist
               exit 1
           else
               echo -e "\e[1m\e[32mBuild folder is up-to-date with library\e[0m"