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#!/bin/bash
# Updates all Ollama models.

set -euo pipefail

is_ollama_running() {
  ollama ps &>/dev/null
}

ensure_ollama_running() {
  if ! is_ollama_running; then
    ollama serve &>/dev/null 2>&1 &
    OLLAMA_PID=$!
    trap 'kill $OLLAMA_PID' EXIT
    local retry=3
    while ! is_ollama_running; do
      retry=$((retry - 1))
      if [ $retry -lt 1 ]; then
        echo "ollama serve not responding" >&2
        exit 1
      fi
      sleep 1s
    done
  fi
}

update_models() {
  ollama list | awk 'NR>1{print $1}' | while read -r model; do
    echo "Updating $model"
    ollama pull "$model"
  done
}

main() {
  if ! command -v ollama >/dev/null; then
    echo "No ollama command in path.  See https://ollama.com/."
    exit 1
  fi
  ensure_ollama_running
  update_models
}

main "$@"