code-line.sh

#!/bin/bash

read -rp "GitHub org: " ORG
read -rp "GitHub username: " USERNAME
read -rp "Report period (daily / weekly / monthly): " PERIOD
case "$PERIOD" in
  daily)   SINCE_DATE=$(date -u -v-1d  +"%Y-%m-%dT%H:%M:%SZ") ;;
  weekly)  SINCE_DATE=$(date -u -v-7d  +"%Y-%m-%dT%H:%M:%SZ") ;;
  monthly) SINCE_DATE=$(date -u -v-1m  +"%Y-%m-%dT%H:%M:%SZ") ;;
  *) echo "Invalid period '$PERIOD'. Use daily, weekly, or monthly." && exit 1 ;;
esac
# For Linux replace -v-Nd/-v-1m with: date -u -d "N days ago" / date -u -d "1 month ago"

TOTAL_ADDED=0
TOTAL_DELETED=0

echo "Checking commits by @$USERNAME in org: $ORG"
echo "Period:  $PERIOD"
echo "Since:   $SINCE_DATE"
echo ""

repos=$(gh repo list "$ORG" --limit 1000 --json nameWithOwner -q '.[].nameWithOwner')

for repo in $repos; do
  commits=$(gh api "repos/$repo/commits?author=$USERNAME&since=$SINCE_DATE" --paginate --jq '.[].sha')

  repo_added=0
  repo_deleted=0

  for sha in $commits; do
    stats=$(gh api "repos/$repo/commits/$sha" --jq '.stats')
    added=$(echo "$stats" | jq '.additions')
    deleted=$(echo "$stats" | jq '.deletions')

    repo_added=$((repo_added + added))
    repo_deleted=$((repo_deleted + deleted))
  done

  if [ "$repo_added" -gt 0 ] || [ "$repo_deleted" -gt 0 ]; then
    echo "$repo"
    echo "  Added:   $repo_added"
    echo "  Deleted: $repo_deleted"
    echo "  Net:     $((repo_added - repo_deleted))"
    echo ""

    TOTAL_ADDED=$((TOTAL_ADDED + repo_added))
    TOTAL_DELETED=$((TOTAL_DELETED + repo_deleted))
  fi
done

echo "=============================="
echo "${PERIOD^} total for @$USERNAME"
echo "Lines Added:   $TOTAL_ADDED"
echo "Lines Deleted: $TOTAL_DELETED"
echo "Net Lines:     $((TOTAL_ADDED - TOTAL_DELETED))"
echo "=============================="