#!/usr/bin/env bash

. llvm-common

if [ "$1" = "" -o "$2" = "" -o "$3" = "" ]; then
  echo "Usage: $0 <branch> <llvm-repo-dir> <llvm-worktree-dir>"
  exit 1
fi

branch=$1
llvm_repo_dir=$2
llvm_worktree_dir=$3

if [ ! -d $llvm_repo_dir ]; then
  echo "Couldn't find llvm repo in $llvm_repo_dir"
  exit 1
fi

if [ ! -d $llvm_worktree_dir ]; then
  # First time we're checking out this branch
  safe_run add_worktree $llvm_repo_dir $llvm_worktree_dir $branch
fi