From c6ba80fe1f8994a431d7c7a2a021864e66e4e59b Mon Sep 17 00:00:00 2001
From: Christian Cunningham <cc@localhost>
Date: Tue, 5 Apr 2022 16:57:13 -0700
Subject: Error if no disk is specified This way, disks won't be unmounted
 errenously

---
 Common.mk | 6 +++++-
 1 file changed, 5 insertions(+), 1 deletion(-)

diff --git a/Common.mk b/Common.mk
index 44dd68c..160aef9 100644
--- a/Common.mk
+++ b/Common.mk
@@ -26,7 +26,6 @@ BSP ?= 2
 GDEBUG ?= 0
 DEBUG ?= 0
 SILENT ?= 0
-DISK ?= /dev/sdc1
 
 CROSS = arm-none-eabi
 CC = ${CROSS}-gcc
@@ -149,7 +148,12 @@ test: clean build/kernel.elf
 	@tput setaf 6 2> /dev/null || true; echo Running Tests; tput sgr0 2> /dev/null || true
 	@./tests/run.sh
 
+ifndef $(DISK)
+copy:
+	@tput setaf 1 2> /dev/null || true; echo ERROR: No disk specified!; tput sgr0 2> /dev/null || true
+else
 copy: clean build/kernel7.img
 	sudo mount $(DISK) /mnt/sd0
 	sudo cp build/kernel7.img /mnt/sd0
 	sudo umount /mnt/sd0
+endif
\ No newline at end of file
-- 
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