Add apt update to CI

.github/workflows/c-cpp.yml

@@ -14,8 +14,10 @@ jobs:
     steps:
     - uses: actions/checkout@v4
     - name: configure
-      run: sudo apt install gcc build-essential grub2-common qemu-system-x86 xorriso mtools
+      run: |
+        sudo apt update
+        sudo apt install gcc build-essential grub2-common qemu-system-x86 xorriso mtools
     - name: make
       run: make
     - name: run and test
-      run: make test
+      run: make clean && make && make test

Makefile

@@ -29,6 +29,7 @@ serial.log: cis-os.iso
 
 test: serial.log
 	cat $<
+	ls
 	grep -q '\[OK\]' $< && echo "Test passed." || (echo "Test failed." && exit 1)
 
 run: cis-os.iso