Helper function for blocking push to main and automatically creating a Pull Request on push if none exist

gp.sh

#!/usr/bin/env bash

# Optional, if you have gp aliased already:
# unalias gp 
function gp() {
  branchName=$(git branch --show-current)
  # Only run if in a specific organization.
  # gitRemote=$(git config --get remote.origin.url)
  # Use this instead: if [[ "$gitRemote" = *":yaaytravel/"* && "$branchName" != "main" ]]; then
  if [[ "$branchName" != "main" ]]; then
    prJson=$(gh pr view --json state,url)
    prState=$(echo "$prJson" | jq -r .state)
    if [[ "$prState" == "OPEN" ]]; then 
      prUrl=$(echo "$prJson" | jq -r .url)
      echo "✦ Pull Request already exists, pushing commits..."
      echo "  └── $prUrl"
      echo "✦ Pushing commits..."
      git push "$@"
    else
      echo "✦ Branch doesn't have Pull Request, creating one based on branch name..."
      prTitle="$branchName"
      # Turn branch style of "<type>/<description>" into the PR title style of "[<type>] <description>".
      if [[ "$prTitle" == *"/"* ]]; then 
        firstPart=$(echo "$branchName" | cut -d "/" -f 1)
        restParts=$(echo "$branchName" | cut -d "/" -f 2-)
        prTitle="[$firstPart] $restParts"
      fi
      # Push the branch first, so that GitHub knows where the PR should go.
      git push "$@"
      gh pr create --title "$prTitle" --fill-verbose --draft --assignee "@me"
    fi
  else
    # Otherwise block pushes to main.
    echo "✦ Pushing to main is blocked, please create a branch and push to it."
  fi
}