task 2.8.1 panic with empty task

[marco-m]

Both these Taskfiles cause task to panic:

version: '2'

tasks:
  foo:

and (so default is not a special case)

version: '2'

tasks:
  default:

Panic is:

$ task
panic: runtime error: invalid memory address or nil pointer dereference
[signal SIGSEGV: segmentation violation code=0x1 addr=0x8 pc=0x12cf3e1]

goroutine 1 [running]:
github.com/go-task/task/v2/internal/taskfile/read.Taskfile(0x0, 0x0, 0x139e0cb, 0xc, 0xc000060460, 0x5, 0x5)
        /home/runner/work/task/task/internal/taskfile/read/taskfile.go:64 +0x5c1
github.com/go-task/task/v2.(*Executor).Setup(0xc00007c2c0, 0xc00007c2c0, 0x0)
        /home/runner/work/task/task/task.go:109 +0x89
main.main()
        /home/runner/work/task/task/cmd/task/task.go:135 +0x989

Happening with task 2.8.1 on macOS.

[andreynering]

I'm not sure why someone would write an empty task.

Seems worth fixing it though, since it'd be pretty easy.

[marco-m]

I'm not sure why someone would write an empty task.

By mistake :-)

I had a partially commented-out task, which resulted in the equivalent of the reproduction case I added in the issue.

To me, any crash, especially with a so simple input, deserves an attempt to be fixed :-)

[bharathshetty4]

I can work on this :)

[andreynering]

Fixed on d78f78b

[marco-m]

thanks!