fix: improve Taskfile

Taskfile.yml

@@ -8,29 +8,43 @@ tasks:
     requires:
       vars: [CONFIG, TARGET]
 
+  # coreboot example
+
   build:coreboot:
     desc: Build coreboot hello world example
     cmds:
       - task: build-template
         vars:
           CONFIG: coreboot-example.json
           TARGET: coreboot-example
+    status:
+      - test -d output-coreboot-example
+
+  # coreboot with LinuxBoot example
 
   build:coreboot-linuxboot:
     desc: Build coreboot with linux and uroot
+    deps:
+      - task: build:linux-with-uroot
     cmds:
       - task: build-template
         vars:
           CONFIG: coreboot-linuxboot-example.json
           TARGET: coreboot-example-with-linuxboot
+    status:
+      - test -d output-linuxboot-coreboot
 
   build:linux-with-uroot:
     desc: Build linux with uroot
+    deps:
+      - task: build:uroot
     cmds:
       - task: build-template
         vars:
           CONFIG: coreboot-linuxboot-example.json
           TARGET: linux-example-with-uroot
+    status:
+      - test -d output-linuxboot-linux
 
   build:uroot:
     desc: Build uroot
@@ -39,6 +53,8 @@ tasks:
         vars:
           CONFIG: coreboot-linuxboot-example.json
           TARGET: uroot-example
+    status:
+      - test -d output-linuxboot-uroot
 
   qemu:run-coreboot:
     cmds: