Shell script to backup, restore and destroy Noita saves

2 files changed, 76 insertions, 0 deletions

diff --git a/Makefile b/Makefile
new file mode 100644
index 0000000..5e08a1e
--- /dev/null
+++ b/Makefile
@@ -0,0 +1,19 @@
+DESTDIR=
+PREFIX=/usr/local
+PREFIX_EXEC=$(PREFIX)
+BINDIR=$(PREFIX_EXEC)/bin
+
+all:
+	@echo Nothing to do
+
+install:
+	install -m755 -DT noita-backup $(DESTDIR)$(BINDIR)/backup-noita
+	ln -fsr $(DESTDIR)$(BINDIR)/backup-noita $(DESTDIR)$(BINDIR)/destroy-noita
+	ln -fsr $(DESTDIR)$(BINDIR)/backup-noita $(DESTDIR)$(BINDIR)/restore-noita
+
+uninstall:
+	rm -f $(DESTDIR)$(BINDIR)/backup-noita
+	rm -f $(DESTDIR)$(BINDIR)/destroy-noita
+	rm -f $(DESTDIR)$(BINDIR)/restore-noita
+
+.PHONY: all install uninstall
diff --git a/noita-backup b/noita-backup
new file mode 100755
index 0000000..9489de7
--- /dev/null
+++ b/noita-backup
@@ -0,0 +1,57 @@
+#!/bin/sh
+XDG_DATA_HOME="${XDG_DATA_HOME:-$HOME/.local/share}"
+for datadir in "$XDG_DATA_HOME" /usr/local/share /usr/share; do
+	NOITA_BACKUP_ICON="$datadir/icons/noita.png"
+	if [ -e "$NOITA_BACKUP_ICON" ]; then
+		break  # Contains value even if not found
+	fi
+done
+COMPAT_DRIVE_C="$XDG_DATA_HOME/Steam/steamapps/compatdata/881100/pfx/drive_c"
+NOITA_SAVE_DIR="$COMPAT_DRIVE_C/users/steamuser/AppData/LocalLow/Nolla_Games_Noita"
+NOITA_BACKUP_DIR="${XDG_CACHE_HOME:-$HOME/.cache}/noita-backup"
+
+notify() {
+	notify-send -i "$NOITA_BACKUP_ICON" "Noita Backup" "$@"
+}
+
+stamp() {
+	date +%Y-%m-%d-%H-%m-%S
+}
+
+backup() {
+	id=$(notify -p "Creating a backup...")
+	filename="save00.bak.$(stamp)"
+	if mkdir -p "$NOITA_BACKUP_DIR" && cp -r "$NOITA_SAVE_DIR/save00" "$NOITA_BACKUP_DIR/$filename"; then
+		notify -r $id "Saved as $filename"
+	else
+		notify -r $id "Could not backup the save"
+	fi
+}
+
+restore() {
+	latest="$(find "$NOITA_BACKUP_DIR" -name 'save00.bak.*' | sort -r | head -n1)"
+	if [ -z "$latest" ]; then
+		notify "No backups to restore from"
+		return
+	fi
+	filename=$(basename "$latest")
+	save="$NOITA_SAVE_DIR/save00"
+	restored="$NOITA_BACKUP_DIR/save00.restored.$(stamp)"
+	id=$(notify -p "Restoring $filename...")
+	if mv "$save" "$restored" && cp -r "$latest" "$save"; then
+		notify -r $id "Restored save from $filename"
+	else
+		notify -r $id "Could not restore save"
+	fi
+}
+
+destroy() {
+	rm -rf "$NOITA_BACKUP_DIR"
+	notify "Removed all saves"
+}
+
+case "$0" in
+	*backup-noita) backup;;
+	*restore-noita) restore;;
+	*destroy-noita) destroy;;
+esac