added trap builtin

1 files changed, 25 insertions, 0 deletions

diff --git a/update.sh b/update.sh
new file mode 100644
index 0000000..58e1e2f
--- /dev/null
+++ b/update.sh
@@ -0,0 +1,25 @@
+#!/bin/sh
+
+premake5 gmake
+make
+if [ ! -d ~/.lush ]; then
+    cp -rf ./.lush ~/
+fi
+
+# always update example
+cp -f ./.lush/scripts/example.lua ~/.lush/scripts/example.lua
+
+# Install the new shell binary to a temporary location
+sudo cp ./bin/Debug/lush/lush /usr/bin/lush.new
+
+# Atomically replace the old binary
+sudo mv /usr/bin/lush.new /usr/bin/lush
+
+# Ensure the shell is registered in /etc/shells
+if ! grep -Fxq "/usr/bin/lush" /etc/shells; then
+    echo "/usr/bin/lush" | sudo tee -a /etc/shells >/dev/null
+fi
+
+echo "====================="
+echo "   UPDATE FINISHED   "
+echo "====================="