autocommit.sh

#!/bin/bash
set -e

WORKDIR="/workspace/workshop"
TOKEN_FILE="$WORKDIR/github_token.txt"

cd "$WORKDIR"

SOURCE_REPO=$(basename -s .git "$(git config --get remote.origin.url)")
SOURCE_OWNER=$(git config --get remote.origin.url | sed -E 's|.*github\.com[:/](.+)/.+\.git|\1|')
BRANCH=$(git rev-parse --abbrev-ref HEAD)
echo "Detected repo: $SOURCE_OWNER/$SOURCE_REPO (branch: $BRANCH)"

touch "$TOKEN_FILE"
if ! grep -qx "github_token.txt" .gitignore 2>/dev/null; then
  [ -s .gitignore ] && sed -i -e '$a\' .gitignore
  {
    echo ""
    echo "# CRITICAL"
    echo "github_token.txt"
  } >> .gitignore
  echo "Added github_token.txt to .gitignore"
fi

echo "Monitoring for a GitHub token in $TOKEN_FILE..."

while true; do
  if [ ! -s "$TOKEN_FILE" ]; then
    echo "No token found yet — waiting 1 minute..."
    sleep 60
    continue
  fi

  TOKEN=$(cat "$TOKEN_FILE")

  echo "Checking GitHub token validity..."
  HTTP_CODE=$(curl -s -o /tmp/user.json -w "%{http_code}" -H "Authorization: token $TOKEN" https://api.github.com/user)
  echo "GitHub /user API response (HTTP $HTTP_CODE):"
  cat /tmp/user.json
  echo ""

  USERNAME=$(jq -r '.login' /tmp/user.json 2>/dev/null || echo "")
  if [ "$HTTP_CODE" != "200" ] || [ -z "$USERNAME" ] || [ "$USERNAME" == "null" ]; then
    echo "Invalid or expired GitHub token (HTTP $HTTP_CODE) — waiting 1 minute..."
    sleep 60
    continue
  fi

  echo "Valid token detected for $USERNAME — proceeding with repo setup."

  echo "Ensuring public fork exists..."
  FORK_EXISTS=$(curl -s -o /dev/null -w "%{http_code}" -H "Authorization: token $TOKEN" "https://api.github.com/repos/$USERNAME/$SOURCE_REPO")
  if [ "$FORK_EXISTS" -eq 200 ]; then
    echo "Public fork $USERNAME/$SOURCE_REPO already exists."
  else
    echo "Forking $SOURCE_OWNER/$SOURCE_REPO to $USERNAME..."
    FORK_CODE=$(curl -s -o /tmp/fork.json -w "%{http_code}" -X POST -H "Authorization: token $TOKEN" "https://api.github.com/repos/$SOURCE_OWNER/$SOURCE_REPO/forks")
    echo "GitHub /forks API response (HTTP $FORK_CODE):"
    cat /tmp/fork.json
    echo ""
    echo "Waiting for fork to appear..."
    for ((i=1; i<=20; i++)); do
      STATUS=$(curl -s -o /dev/null -w "%{http_code}" -H "Authorization: token $TOKEN" "https://api.github.com/repos/$USERNAME/$SOURCE_REPO")
      if [ "$STATUS" -eq 200 ]; then
        echo "Fork found on GitHub (attempt $i)."
        break
      fi
      echo "Attempt $i: fork not visible yet, waiting 3s..."
      sleep 3
    done
  fi

  NEW_NAME="${SOURCE_REPO}-autosave"
  EXISTS=$(curl -s -o /dev/null -w "%{http_code}" -H "Authorization: token $TOKEN" "https://api.github.com/repos/$USERNAME/$NEW_NAME")

  if [ "$EXISTS" -eq 200 ]; then
    echo "Private repo $USERNAME/$NEW_NAME already exists — skipping creation."
  else
    echo "Creating private repo $USERNAME/$NEW_NAME..."
    CREATE_CODE=$(curl -s -o /tmp/create.json -w "%{http_code}" -X POST -H "Authorization: token $TOKEN" -H "Accept: application/vnd.github+json" "https://api.github.com/user/repos" -d "{\"name\": \"$NEW_NAME\", \"private\": true}")
    echo "GitHub /user/repos API response (HTTP $CREATE_CODE):"
    cat /tmp/create.json
    echo ""
  fi

  DEST_REPO="https://$USERNAME:$TOKEN@github.com/$USERNAME/$NEW_NAME.git"
  git config user.name "$USERNAME"
  git config user.email "$USERNAME@users.noreply.github.com"
  git remote set-url origin "$DEST_REPO"

  echo "Remote now points to private autosave repo $USERNAME/$NEW_NAME."
  echo "Starting auto-commit every 1 minute..."

  while true; do
    git add -A
    git commit -m "Auto-update $(date)" || echo "No changes to commit."
    git push origin "$BRANCH" --force || echo "Push failed, retrying next loop."
    sleep 60
  done
done