[Feature] Add an installer for Stylua (#977)

1 files changed, 63 insertions, 0 deletions

diff --git a/utils/installer/install_stylua.sh b/utils/installer/install_stylua.sh
new file mode 100644
index 00000000..cd8b3942
--- /dev/null
+++ b/utils/installer/install_stylua.sh
@@ -0,0 +1,63 @@
+#!/usr/bin/env bash
+
+set -eu pipefall
+
+declare -r INSTALL_DIR="$PWD/utils"
+declare -r RELEASE="0.10.0"
+declare -r OS="linux"
+# declare -r OS="$(uname -s)"
+declare -r FILENAME="stylua-$RELEASE-$OS"
+
+declare -a __deps=("curl" "unzip")
+
+function check_deps() {
+	for dep in "${__deps[@]}"; do
+		if ! command -v "$dep" >/dev/null; then
+			echo "Missing depdendecy!"
+			echo "The \"$dep\" command was not found!. Please install and try again."
+		fi
+	done
+}
+
+function download_stylua() {
+	local DOWNLOAD_DIR
+	local URL="https://github.com/JohnnyMorganz/StyLua/releases/download/v$RELEASE/$FILENAME.zip"
+
+	DOWNLOAD_DIR="$(mktemp -d)"
+	echo "Initiating download for Stylua v$RELEASE"
+	if ! curl --progress-bar --fail -L "$URL" -o "$DOWNLOAD_DIR/$FILENAME.zip"; then
+		echo "Download failed.  Check that the release/filename are correct."
+		exit 1
+	fi
+
+	echo "Installtion in progress.."
+	unzip -q "$DOWNLOAD_DIR/$FILENAME.zip" -d "$DOWNLOAD_DIR"
+
+	if [ -f "$DOWNLOAD_DIR/stylua" ]; then
+		mv "$DOWNLOAD_DIR/stylua" "$INSTALL_DIR/stylua"
+	else
+		mv "$DOWNLOAD_DIR/$FILENAME/stylua" "$INSTALL_DIR/."
+	fi
+
+	chmod u+x "$INSTALL_DIR/stylua"
+}
+
+function verify_install() {
+	echo "Verifying installtion.."
+	local DOWNLOADED_VER
+	DOWNLOADED_VER="$("$INSTALL_DIR/stylua" -V | awk '{ print $2 }')"
+	if [ "$DOWNLOADED_VER" != "$RELEASE" ]; then
+		echo "Mismatched version!"
+		echo "Expected: v$RELEASE but got v$DOWNLOADED_VER"
+		exit 1
+	fi
+	echo "Verification complete!"
+}
+
+function main() {
+	check_deps
+	download_stylua
+	verify_install
+}
+
+main "$@"