match commits from a subdirectory to the github usernames that commited them

find_users.sh

#!/bin/bash
SINCE_STRING="6.months.ago"
DIRECTORY_TO_CHECK="./test"

if [ ! -d $DIRECTORY_TO_CHECK ]; then
  echo "$DIRECTORY_TO_CHECK does not exist - update the script"
  exit 1
fi

GITHUB_URL=$(git config --get remote.origin.url | awk -F "[:|.]" '{print $3}')
COMMITS=$(git log --pretty=format:%H --since=$SINCE_STRING -- $DIRECTORY_TO_CHECK)

for commit in $COMMITS; do
  result=$(curl "https://api.github.com/repos/$GITHUB_URL/commits/$commit" --silent | grep login | cut -d \" -f 4)
  if [ -z "$result" ]; then
    echo "no username found for $commit"
  else
    echo "$result"
  fi
done