Add clone dir conflict resolution

buildtool.sh

@@ -13,12 +13,13 @@ echo ""
 # Variables
 export "BUILDTOOL_REPOSITORY=https://git.staropensource.de/JeremyStarTM/kernel-optimized.git"
 export "BUILDTOOL_PACKAGES=base-devel git rustup"
-export "BUILDTOOL_CLONEDIR=jstm-kernel-optimized"
 export "BUILDTOOL_BUILDCMDLINE=nice -20 env MAKEFLAGS=-j$(nproc)"
+export "BUILDTOOL_CLONEDIR=jstm-kernel-optimized"
 
 # Checks
 ## Check for Arch Linux
 (
+	# shellcheck disable=SC1091
 	source "/etc/os-release"
 	if [ "${NAME}" != "Arch Linux" ] || [ "${PRETTY_NAME}" != "Arch Linux" ] || [ "${ID}" != "arch" ]; then
 		if [ "${BUILDTOOL_COMPILE_NONARCH}" != "true" ]; then
@@ -241,6 +242,29 @@ function ask_debug() {
 			ask_debug
 	esac
 }
+## Ask for clone directory conflict resolution (includes check)
+function ask_clonedir_conflictresolution() {
+	if [ ! -d "${BUILDTOOL_CLONEDIR}" ]; then
+		return
+	elif [ -a "${BUILDTOOL_CLONEDIR}" ] && [ ! -d "${BUILDTOOL_CLONEDIR}" ]; then
+		echo ":: Warning: Something that isn't a directory exists at location \"${BUILDTOOL_CLONEDIR}\""
+	fi
+	read -rp ":: Warning: \"${BUILDTOOL_CLONEDIR}\" already exists. What should be done to resolve the conflict [A(bort)/r(ecompile)/f(resh)]? " BUILDTOOL_CLONEDIR_CONFLICT
+	case "${BUILDTOOL_CLONEDIR_CONFLICT}" in
+		"a"|"A"|"")
+			echo ":: Error: Conflict resolution failed."
+			exit 1
+			;;
+		"r"|"R") ;;
+		"f"|"F")
+			echo ":: Removing existing \$BUILDTOOL_CLONEDIR directory"
+			#rm -rf "${BUILDTOOL_CLONEDIR}"
+			;;
+		*)
+			echo "Invalid answer. Please answer with Y, N or I."
+			ask_debug
+	esac
+}
 ask_mold
 ask_cpupower
 ask_tmpfs
@@ -250,6 +274,7 @@ ask_cpfinalconfig
 ask_modprobeddb
 ask_subarchitecture
 ask_debug
+ask_clonedir_conflictresolution
 
 # Pre-building
 ## Install dependencies