What version of Turborepo are you using?

1.2.2

What package manager are you using / does the bug impact?

Yarn v1

What operating system are you using?

Linux

Describe the Bug

I change a source file in one of the apps
I commit the change
I run
turbo run build --filter=[HEAD^1]
I always get
Tasks: 0 successful, 0 total

Expected Behavior

Build the app that contains the file changed in the last commit

To Reproduce

change a source file in one of the apps
commit the change
run
turbo run build --filter=[HEAD^1]