From 526b9537a947cb385f64be70d2d5a731fc3d71fd Mon Sep 17 00:00:00 2001
From: Andrej730 <azhilenkov@gmail.com>
Date: Thu, 19 Feb 2026 15:51:01 +0500
Subject: [PATCH] build_pyodide.sh - allow executing multiple times

---
 pyodide/build_pyodide.sh | 9 +++++++--
 1 file changed, 7 insertions(+), 2 deletions(-)

diff --git a/pyodide/build_pyodide.sh b/pyodide/build_pyodide.sh
index 2994a44ae6..20ad946162 100755
--- a/pyodide/build_pyodide.sh
+++ b/pyodide/build_pyodide.sh
@@ -1,9 +1,12 @@
 #!/usr/bin/bash
 set -ex
 
+# Script is assuming that it will be possible to execute it multiple times
+# therefore we're clearing venv each time and ignoring existing 'emsdk' folder.
+
 # Install uv.
 curl -LsSf https://astral.sh/uv/install.sh | sh
-uv venv --python 3.13
+uv venv --python 3.13 --clear
 source .venv/bin/activate
 
 # Install pyodide cross build environment.
@@ -13,7 +16,9 @@ uv pip install pyodide-build
 uv run pyodide xbuildenv install
 
 # Emscripten doesn't come with xbuildenv.
-git clone https://github.com/emscripten-core/emsdk
+if [ ! -d emsdk ]; then
+  git clone https://github.com/emscripten-core/emsdk
+fi
 pushd emsdk
 PYODIDE_EMSCRIPTEN_VERSION=$(pyodide config get emscripten_version)
 ./emsdk install ${PYODIDE_EMSCRIPTEN_VERSION}