uninstall.sh

#!/usr/bin/env bash
set -euo pipefail

HERMES_HOME="${HERMES_HOME:-$HOME/.hermes}"
CONFIG_FILE="$HERMES_HOME/config.yaml"
ENV_FILE="$HERMES_HOME/.env"
INPUT_FD=0
NONINTERACTIVE=0

# Keep uninstaller output plain ASCII. Some minimal terminals render ANSI escape
# sequences literally, which looks broken in one-command flows.
BOLD=''; GREEN=''; YELLOW=''; RED=''; NC=''

log() { printf '%s\n' "==> $*"; }
warn() { printf '%s\n' "WARN: $*"; }
fail() { printf '%s\n' "ERROR: $*" >&2; exit 1; }
need_cmd() { command -v "$1" >/dev/null 2>&1; }

setup_input() {
  if [[ -t 0 ]]; then
    INPUT_FD=0
  elif [[ -e /dev/tty ]] && { exec 3</dev/tty; } 2>/dev/null; then
    INPUT_FD=3
  else
    NONINTERACTIVE=1
    warn "No interactive terminal detected; using safe defaults."
  fi
}

prompt_read() {
  local __var="$1" prompt="$2" value=""
  if [[ "$NONINTERACTIVE" == "1" ]]; then
    printf -v "$__var" '%s' ""
    return 0
  fi
  if [[ "$INPUT_FD" == "0" ]]; then
    read -r -p "$prompt" value || true
  else
    printf '%s' "$prompt" > /dev/tty
    IFS= read -r -u "$INPUT_FD" value || true
  fi
  printf -v "$__var" '%s' "$value"
}

ask_yn() {
  local prompt="$1" default="${2:-n}" reply suffix="[y/N]"
  [[ "$default" == "y" ]] && suffix="[Y/n]"
  prompt_read reply "$prompt $suffix "
  reply="${reply:-$default}"
  [[ "$reply" =~ ^[Yy]$ ]]
}

run_cli_with_user_input() {
  if [[ "$NONINTERACTIVE" == "1" ]]; then
    printf '\n' | "$@"
  elif [[ -e /dev/tty ]]; then
    "$@" < /dev/tty
  else
    "$@"
  fi
}

banner() {
  cat <<'BANNER'
Hermes Memory Stack Uninstaller / Restore Helper

This removes files and registrations installed by hermes-memory-stack.
It does not remove Hermes Agent itself, personal memory, sessions, auth files,
Google cookies, or unrelated user config.
BANNER
}

snapshot_current_config() {
  mkdir -p "$HERMES_HOME"
  if [[ -f "$CONFIG_FILE" ]]; then
    local snap="$CONFIG_FILE.before-memory-stack-uninstall.$(date +%Y%m%d-%H%M%S)"
    cp "$CONFIG_FILE" "$snap"
    log "Saved current config snapshot: $snap"
  fi
}

remove_stack_skills() {
  local skills_dir="$HERMES_HOME/skills"
  [[ -d "$skills_dir" ]] || { warn "No skills directory at $skills_dir"; return 0; }
  local skills=(hermes-memory-stack llm-wiki axiom-perception semble-rs notebooklm)
  local removed=0
  for skill in "${skills[@]}"; do
    while IFS= read -r -d '' path; do
      rm -rf "$path"
      log "Removed skill: $path"
      removed=$((removed + 1))
    done < <(find "$skills_dir" -maxdepth 1 -type d -name "$skill" -print0 2>/dev/null)
  done
  [[ "$removed" -gt 0 ]] || warn "No stack skills found to remove."
}

remove_stack_scripts() {
  local scripts=(
    "$HERMES_HOME/scripts/sync_notebooklm_inventory.py"
    "$HERMES_HOME/scripts/install_notebooklm_inventory_sync.sh"
    "$HERMES_HOME/scripts/install_notebooklm_source_pack_sync.sh"
  )
  local removed=0
  for path in "${scripts[@]}"; do
    if [[ -e "$path" ]]; then
      rm -f "$path"
      log "Removed script: $path"
      removed=$((removed + 1))
    fi
  done
  while IFS= read -r -d '' path; do
    rm -f "$path"
    log "Removed source-pack wrapper: $path"
    removed=$((removed + 1))
  done < <(find "$HERMES_HOME/scripts" -maxdepth 1 -type f -name 'notebooklm_source_pack_*_refresh.sh' -print0 2>/dev/null)
  [[ "$removed" -gt 0 ]] || warn "No stack helper scripts found to remove."
}

remove_notebooklm_inventory() {
  local inv="$HOME/wiki/_meta/notebooklm-inventory.md"
  if [[ -f "$inv" ]] && ask_yn "Remove NotebookLM routing inventory at $inv?" n; then
    rm -f "$inv"
    log "Removed $inv"
  fi
}

remove_mcp() {
  if ! need_cmd hermes; then warn "Hermes CLI not found; cannot remove MCP registration."; return 0; fi
  if hermes mcp list 2>/dev/null | grep -qi "perception"; then
    if ask_yn "Remove MCP server registration 'perception'?" y; then
      run_cli_with_user_input hermes mcp remove perception || warn "Could not remove MCP server 'perception'."
    fi
  else
    warn "MCP server 'perception' not found."
  fi
}

remove_cron_jobs() {
  if ! need_cmd hermes; then warn "Hermes CLI not found; cannot remove cron jobs."; return 0; fi
  local listing ids id
  listing="$(hermes cron list --all 2>/dev/null || true)"
  ids="$(printf '%s\n' "$listing" | awk '
    /^[[:space:]]+[0-9a-f]{12}[[:space:]]/ { id=$1 }
    /Name:[[:space:]]+Sync NotebookLM inventory to llmwiki/ { if (id) print id }
    /Script:[[:space:]]+sync_notebooklm_inventory.py/ { if (id) print id }
    /Name:[[:space:]]+NotebookLM source-pack refresh:/ { if (id) print id }
    /Script:[[:space:]]+notebooklm_source_pack_[A-Za-z0-9._-]+_refresh\.sh/ { if (id) print id }
  ' | sort -u)"
  if [[ -z "$ids" ]]; then
    warn "No stack-owned NotebookLM cron job found."
    return 0
  fi
  printf '%s\n' "$ids"
  if ask_yn "Remove the cron job(s) listed above?" y; then
    while IFS= read -r id; do
      [[ -n "$id" ]] || continue
      hermes cron remove "$id" || warn "Could not remove cron job $id"
    done <<< "$ids"
  fi
}

restore_config_backup() {
  [[ -d "$HERMES_HOME" ]] || return 0
  local latest=""
  while IFS= read -r path; do
    latest="$path"
  done < <(find "$HERMES_HOME" -maxdepth 1 -type f -name 'config.yaml.bak.*' -print 2>/dev/null | sort)
  if [[ -z "$latest" ]]; then
    warn "No config backups found at $HERMES_HOME/config.yaml.bak.*"
    return 0
  fi
  printf '\nLatest config backup:\n  %s\n' "$latest"
  if ask_yn "Restore this backup to $CONFIG_FILE? Current config is snapshotted first." n; then
    snapshot_current_config
    cp "$latest" "$CONFIG_FILE"
    chmod 600 "$CONFIG_FILE" || true
    log "Restored config from $latest"
  fi
}

remove_optional_cli_tools() {
  if ask_yn "Try to uninstall optional notebooklm-py uv tool?" n; then
    if need_cmd uv; then uv tool uninstall notebooklm-py || warn "uv tool uninstall notebooklm-py failed."; else warn "uv not found."; fi
  fi
  if ask_yn "Try to uninstall optional semble_rs cargo binary?" n; then
    if need_cmd cargo; then cargo uninstall semble_rs || warn "cargo uninstall semble_rs failed."; else warn "cargo not found."; fi
    rm -f "$HOME/.local/bin/semble_rs" 2>/dev/null || true
  fi
  if ask_yn "Try to uninstall global llm-wiki-compiler npm package?" n; then
    if need_cmd npm; then npm uninstall -g llm-wiki-compiler || warn "npm uninstall -g llm-wiki-compiler failed."; else warn "npm not found."; fi
  fi
}

main() {
  banner
  setup_input
  snapshot_current_config
  if ask_yn "Remove hermes-memory-stack installed skills?" y; then remove_stack_skills; fi
  if ask_yn "Remove hermes-memory-stack helper scripts?" y; then remove_stack_scripts; fi
  if ask_yn "Remove NotebookLM inventory sync cron job?" y; then remove_cron_jobs; fi
  remove_notebooklm_inventory
  remove_mcp
  restore_config_backup
  remove_optional_cli_tools
  cat <<EOF

${BOLD}Done.${NC}

Recommended next steps:
  1. Restart Hermes/gateway if MCP or config changed: hermes gateway restart
  2. Start a new Hermes session or run /reload-skills if you removed skills.
  3. Check config health: hermes config check

EOF
}

main "$@"