Find latest commit, check for modified articles in it, check if it was added in this commit

find-changed-files.sh

#! /usr/bin/env bash

commit_id=$(git log --format="%H" -n 1)

articles=( $(git diff --name-only HEAD HEAD^ | egrep '^_articles') )

for article in "${articles[@]}"
do
  article_added_in=$(git log --pretty=format:"%H" --diff-filter=A -- $article)

  if [ "$commit_id" = "$article_added_in" ]; then
    echo $article
  fi
done