#!/usr/bin/env bash
# install.sh — install git-trees onto PATH
#
#   ./install.sh                      install to ~/.local/bin
#   ./install.sh /usr/local/bin       install elsewhere

set -uo pipefail

SRC="$(cd "$(dirname "${BASH_SOURCE[0]}")" && pwd)"
CFG="$HOME/.config/git-trees"

DEST="${1:-$HOME/.local/bin}"

[ -f "$SRC/git-trees" ] || { echo "install.sh: git-trees not found in $SRC" >&2; exit 1; }

mkdir -p "$DEST" || exit 1
install -m 0755 "$SRC/git-trees" "$DEST/git-trees" || exit 1
echo "installed $DEST/git-trees"

# AGENTS.md template — README's curl path installs this too.
if [ -f "$SRC/AGENTS.md.template" ] && [ ! -f "$CFG/AGENTS.md" ]; then
  mkdir -p "$CFG"
  cp "$SRC/AGENTS.md.template" "$CFG/AGENTS.md"
  echo "installed $CFG/AGENTS.md (template; used by init or root --agents to seed the container root)"
fi

case ":$PATH:" in
  *":$DEST:"*) ;;
  *) echo "warning: $DEST is not on PATH — add it to use \`git trees\`" >&2 ;;
esac

echo
echo "try: git trees help"

if [ -z "${TREES_ORG:-}" ]; then
  echo
  echo "optional: set a default org so you can write 'git trees init <repo>'"
  echo "  echo 'export TREES_ORG=your-org' >> ~/.zshrc && source ~/.zshrc"
fi