install.sh

#!/usr/bin/env bash
# Install opencode-move-session-plugin into ~/.config/opencode/ (Linux/macOS).
# Only copies two files. Legacy opencode-move-session / -ps files are warned
# about but never removed without explicit consent (--remove-legacy).
set -euo pipefail

DEST="${OPENCODE_CONFIG_DIR:-$HOME/.config/opencode}"
SRC="$(cd "$(dirname "$0")" && pwd)"

mkdir -p "$DEST/plugins" "$DEST/commands"

cp "$SRC/plugins/move-session.js"  "$DEST/plugins/"
cp "$SRC/commands/move-session.md" "$DEST/commands/"
echo "installed: $DEST/plugins/move-session.js"
echo "installed: $DEST/commands/move-session.md"

# Legacy files from opencode-move-session (bash) or opencode-move-session-ps
# (PowerShell). They define the same /move-session command and conflict with
# this plugin.
LEGACY=()
[ -f "$DEST/plugins/session-env.js" ]             && LEGACY+=("$DEST/plugins/session-env.js")
[ -f "$DEST/plugins/move-session-auto-undo.js" ]  && LEGACY+=("$DEST/plugins/move-session-auto-undo.js")
[ -f "$DEST/commands/move-session.ps1" ]          && LEGACY+=("$DEST/commands/move-session.ps1")

if [ "${#LEGACY[@]}" -gt 0 ]; then
  if [ "${1:-}" = "--remove-legacy" ]; then
    for f in "${LEGACY[@]}"; do
      rm -f "$f"
      echo "removed legacy: $f"
    done
  else
    echo "" >&2
    echo "WARNING: legacy move-session files detected; they will conflict with this plugin:" >&2
    for f in "${LEGACY[@]}"; do echo "  $f" >&2; done
    echo "Remove them manually (or re-run: $0 --remove-legacy), then restart opencode." >&2
  fi
fi

echo ""
echo "Restart opencode for changes to take effect."