@ 260802.2
current
#!/usr/bin/env bash

default="$(git-master-name)"
name="$1"
if [ -z "$name" ]; then
  echo "Usage: $(basename "$0") <worktree-name>" >&2
  exit 1
fi
git worktree add -d ../"$name" "$default"
cd ../"$name"
git checkout -b "ag/$name"