#!/bin/bash
set -e
SWIFTENV_ROOT="${SWIFTENV_ROOT:-$HOME/.swiftenv}"
if [ -d "$SWIFTENV_ROOT/.git" ]; then
  cd "$SWIFTENV_ROOT" && git fetch --quiet && git reset --hard origin/HEAD --quiet
else
  git clone --quiet https://github.com/kylef/swiftenv.git "$SWIFTENV_ROOT"
fi
for P in "$HOME/.zshrc" "$HOME/.bash_profile" "$HOME/.profile"; do
  if [ -f "$P" ] && ! grep -q SWIFTENV_ROOT "$P" 2>/dev/null; then
    printf '\nexport SWIFTENV_ROOT="%s"\n' "$SWIFTENV_ROOT" >> "$P"
    printf 'export PATH="$SWIFTENV_ROOT/bin:$SWIFTENV_ROOT/shims:$PATH"\n' >> "$P"
    printf 'if command -v swiftenv &>/dev/null; then eval "$(swiftenv init -)"; fi\n' >> "$P"
    break
  fi
done
echo "swiftenv installed. Run: source ~/.zshrc"