add upstream build script

src/build.sh

@@ -0,0 +1,44 @@
+#!/bin/sh
+
+# 1. Remove unwanted stuff
+rm -rf build
+rm -rf env
+rm -rf dist
+rm -rf server/.venv
+rm -rf .tiktoken_cache
+
+# 2. Create a new virtual environment and activate it
+python3 -m venv env
+. env/bin/activate
+
+# 3. Install the required packages
+pip install -r server/requirements.txt || exit 1
+pip install pyinstaller || exit 1
+
+# 4. Detect M1 architecture or allow manual override
+USE_ARCH="intel"
+if [ "$1" = "m1" ]; then
+    echo "Building for M1 architecture"
+    USE_ARCH="m1"
+elif [ "$1" = "regular" ]; then
+    echo "Building for regular architecture"
+    USE_ARCH="intel"
+else
+    ARCH=$(uname -m)
+    if [ "$ARCH" = "arm64" ]; then
+        echo "$ARCH architecture detected, using M1 spec file"
+        USE_ARCH="m1"
+    else
+        echo "$ARCH architecture detected, using regular spec file"
+        USE_ARCH="intel"
+    fi
+fi
+
+# 4.5. Make .tiktoken_cache directory, used to package with tiktoken vocab file
+mkdir .tiktoken_cache
+
+# 5. Call PyInstaller from within the virtual environment
+env/bin/pyinstaller continue_server.spec -- --arch $USE_ARCH
+
+# 6. Deactivate the virtual environment
+deactivate