diff --git a/build-zip.sh b/build-zip.sh
index 988109b..645b3be 100755
--- a/build-zip.sh
+++ b/build-zip.sh
@@ -6,6 +6,32 @@
 # it does not exit with a 0, and we only care about the final exit.
 set -eo
 
+# Function to check if a command exists
+command_exists() {
+	command -v "$1" >/dev/null 2>&1
+}
+
+# Check if SVN is installed
+if command_exists svn; then
+	echo "SVN is already installed."
+else
+	echo "SVN is not installed. Installing SVN..."
+
+	# Update the package list
+	sudo apt-get update -y
+
+	# Install SVN
+	sudo apt-get install -y subversion
+
+	# Verify installation
+	if command_exists svn; then
+		echo "SVN was successfully installed."
+	else
+		echo "Failed to install SVN. Please check your system configuration."
+		exit 1
+	fi
+fi
+
 # Allow some ENV variables to be customized
 if [[ -z "$SLUG" ]]; then
 	SLUG=${GITHUB_REPOSITORY#*/}
@@ -61,7 +87,7 @@ if [[ "$BUILD_DIR" = false ]]; then
 
 		# Ensure git archive will pick up any changed files in the directory.
 		# See https://github.com/10up/action-wordpress-plugin-deploy/pull/130
-		test $(git ls-files --deleted) && git rm $(git ls-files --deleted)
+		test "$(git ls-files --deleted)" && git rm "$(git ls-files --deleted)"
 		if [ -n "$(git status --porcelain --untracked-files=all)" ]; then
 			git add .
 			git commit -m "Include build step changes"