adding ollama installer

scripts/ollama_tmux.sh

@@ -0,0 +1,144 @@
+#!/usr/bin/env bash
+set -euo pipefail
+
+# Ollama tmux helper and model utilities
+# Source this file or call functions directly: source scripts/ollama_tmux.sh
+
+# Ensure environment variables exist
+if [ -f "$HOME/.bashrc" ]; then
+  set +u
+  # shellcheck disable=SC1091
+  source "$HOME/.bashrc" || true
+  set -u
+fi
+: "${OLLAMA_MODELS:=$HOME/models/ollama}"
+
+start_ollama_tmux() {
+  session="ollama"
+  # Use provided command or sensible default. Ollama uses env vars (OLLAMA_HOST)
+  # Example: OLLAMA_HOST=0.0.0.0:11434 ollama serve
+  default_cmd="${OLLAMA_CMD:-ollama serve}"
+  cmd="${1:-$default_cmd}"
+  echo "Using command: $cmd"
+  if [ -n "${OLLAMA_HOST:-}" ]; then
+    echo "OLLAMA_HOST is set to: $OLLAMA_HOST"
+  fi
+
+  if ! command -v tmux >/dev/null 2>&1; then
+    echo "⚠️  tmux not installed. Install tmux and re-run."
+    return 2
+  fi
+
+  # Create models dir if needed
+  mkdir -p "$OLLAMA_MODELS"
+
+  if tmux has-session -t "$session" 2>/dev/null; then
+    echo "ℹ️  tmux session '$session' already running. Attach with: tmux attach -t $session"
+    return 0
+  fi
+
+  echo "🔁 Starting ollama in tmux session '$session' with command: $cmd"
+  tmux new-session -d -s "$session" "$cmd"
+  sleep 0.5
+  if tmux has-session -t "$session" 2>/dev/null; then
+    echo "✅ Started. Attach: tmux attach -t $session"
+  else
+    echo "❌ Failed to start tmux session. Check logs or run the command directly: $cmd"
+    return 1
+  fi
+}
+
+pull_ollama_model() {
+  if [ "$#" -lt 1 ]; then
+    echo "Usage: pull_ollama_model <model-ref>"
+    return 2
+  fi
+  if ! command -v ollama >/dev/null 2>&1; then
+    echo "⚠️  ollama CLI not found. Install first."
+    return 3
+  fi
+  model="$1"
+  echo "⬇️  Pulling model: $model"
+  ollama pull "$model"
+}
+
+import_local_model() {
+  if [ "$#" -lt 1 ]; then
+    echo "Usage: import_local_model <path-to-model-dir-or-file>"
+    return 2
+  fi
+  src="$1"
+  if [ ! -e "$src" ]; then
+    echo "⚠️  Source not found: $src"
+    return 3
+  fi
+  mkdir -p "$OLLAMA_MODELS"
+  dest="$OLLAMA_MODELS/$(basename "$src")"
+  ln -sfn "$src" "$dest"
+  echo "🔗 Linked $src → $dest"
+  echo "Note: depending on your ollama installation you may need to reindex or use the ollama CLI to register the model."
+}
+
+stop_ollama_tmux() {
+  session="ollama"
+  if tmux has-session -t "$session" 2>/dev/null; then
+    tmux kill-session -t "$session"
+    echo "🛑 Stopped tmux session '$session'"
+  else
+    echo "ℹ️  No tmux session named '$session' running"
+  fi
+}
+
+print_usage() {
+  cat <<EOF
+Usage: $(basename "$0") <command> [args]
+
+Commands:
+  start [<cmd>]        Start ollama in tmux (optional command overrides default)
+  stop                 Stop the tmux session named 'ollama'
+  pull <model-ref>     Pull a model using the ollama CLI
+  import <path>        Import/link a local model directory/file into OLLAMA_MODELS
+  help                 Show this help
+
+If you want to use these as shell functions, source this file instead:
+  source scripts/ollama_tmux.sh
+EOF
+}
+
+if [ "${BASH_SOURCE[0]}" == "${0}" ]; then
+  # Script executed directly; provide a simple CLI wrapper
+  cmd="${1:-}"
+  case "$cmd" in
+    start)
+      # shift and pass remaining args as the command
+      shift || true
+      start_ollama_tmux "$@"
+      exit $?
+      ;;
+    stop)
+      stop_ollama_tmux
+      exit $?
+      ;;
+    pull)
+      shift || true
+      pull_ollama_model "$@"
+      exit $?
+      ;;
+    import)
+      shift || true
+      import_local_model "$@"
+      exit $?
+      ;;
+    help|--help|-h|"")
+      print_usage
+      exit 0
+      ;;
+    *)
+      echo "Unknown command: $cmd"
+      print_usage
+      exit 2
+      ;;
+  esac
+else
+  echo "Loaded ollama tmux helper. Functions: start_ollama_tmux, stop_ollama_tmux, pull_ollama_model, import_local_model"
+fi