don't always sync if not needed

.gitignore

@@ -0,0 +1,2 @@
+# Store the commit used for the latest sync
+.latest

Makefile

@@ -34,6 +34,17 @@ TERMUX    = $(firstword $(shell type termux-info &> /dev/null && echo 1))
 ADMIN_WIN = $(shell touch $(PF) 2> /dev/null; echo $$?)
 
 
+# Check for latest version
+LATEST_FILE    = .latest
+HAS_CHANGES    = $(shell git status -s)
+CURRENT_COMMIT = $(shell git rev-parse HEAD)
+LATEST_COMMIT  = $(shell cat $(LATEST_FILE))
+
+
+# Special targets
+.ONESHELL:
+
+
 all: full-sync
 
 
@@ -283,6 +294,15 @@ ifneq (1, $(filter 1, $(ARCH) $(WSL) $(TERMUX)))
 	@echo "❌ Unsupported platform"
 else
 
+# Check if repo is updated locally or has been updated from remote
+ifeq ($(strip $(HAS_CHANGES)),)
+ifeq ($(CURRENT_COMMIT),$(LATEST_COMMIT))
+	@echo "✅ Nothing to update!"
+	@exit
+endif
+endif
+
+
 # Call target of compatible with all supported platforms
 	@$(MAKE) sync-dotconfig
 	@echo "⌛ .config directory synced!"
@@ -326,5 +346,6 @@ else ifeq ($(TERMUX), 1)
 endif
 
 # END
+	@echo $(CURRENT_COMMIT) > $(LATEST_FILE)
 	@echo "🎉 Sync complete!"
 endif