feat(bin): add helper tool for running ollama server for Obsidian Copilot

bin/ollama-for-obsidian

@@ -0,0 +1,69 @@
+#!/usr/bin/env bash
+
+# Defaults
+DEFAULT_BIND="127.0.0.1"
+DEFAULT_PORT="11439"
+DEFAULT_ORIGINS="app://obsidian.md*"
+DEFAULT_KEEP_ALIVE="1h"
+
+print-help() {
+  cat << EOF
+Usage: ollama-for-obsidian [options]
+
+Options:
+  -b, --bind <addr>            The address to bind to (default: "${DEFAULT_BIND}")
+  -p, --port <port>            The port to listen on (default: "${DEFAULT_PORT}")
+  -o, --origins <origins>      A comma separated list of extra allowed origins
+  -m, --models <dir>           Override ollama's default models directory
+  -k, --keep-alive <duration>  The duration that models stay loaded in memory (default: "${DEFAULT_KEEP_ALIVE}")
+  -h, --help                   Print this help message
+EOF
+}
+
+BIND="${DEFAULT_BIND}"
+PORT="${DEFAULT_PORT}"
+EXTRA_ORIGINS=""
+KEEP_ALIVE="${DEFAULT_KEEP_ALIVE}"
+
+while [[ $# -gt 0 ]]; do
+  case "$1" in
+    -b | --bind)
+      BIND="$2"
+      shift 2
+      ;;
+    -p | --port)
+      PORT="$2"
+      shift 2
+      ;;
+    -o | --origins)
+      EXTRA_ORIGINS="$2"
+      shift 2
+      ;;
+    -m | --models)
+      export OLLAMA_MODELS="$2"
+      shift 2
+      ;;
+    -k | --keep-alive)
+      KEEP_ALIVE="$2"
+      shift 2
+      ;;
+    -h | --help)
+      print-help
+      exit 0
+      ;;
+    *)
+      echo "Unknown option: $1" >&2
+      print-help >&2
+      exit 1
+      ;;
+  esac
+done
+
+export OLLAMA_HOST="${BIND}:${PORT}"
+export OLLAMA_KEEP_ALIVE="${KEEP_ALIVE}"
+export OLLAMA_ORIGINS="${DEFAULT_ORIGINS}"
+if [[ -n "${EXTRA_ORIGINS}" ]]; then
+  export OLLAMA_ORIGINS="${OLLAMA_ORIGINS},${EXTRA_ORIGINS}"
+fi
+
+exec ollama serve "$@"