Why doesn't linting in Github Actions work when it does locally?

Question

I'm building a Go project, and i'm using Github actions on every checkin.

The project is here: https://github.com/filecoin-project/bacalhau

When I run the project locally, it runs fine - eg:

❯ golangci-lint run
❯

But when I do the same command in Github Actions, I get warnings like I haven't vendored in the modules correctly (guessing).

  Error: undeclared name: `libp2p` (typecheck)
  Error: undeclared name: `libp2p` (typecheck)
  Error: undeclared name: `libp2p` (typecheck)
  Error: "github.com/libp2p/go-libp2p" imported but not used (typecheck)
  
  Error: issues found

Even when I remove the linting, I get similar problems (it doesn't build properly - eg https://github.com/filecoin-project/bacalhau/runs/5313987141?check_suite_focus=true

The ONE time I logged in myself, via ssh, and executed the build manually (eg go build ) it failed with the same error, but this was solveable by just doing go mod vendor , go mod tidy inline. HOWEVER, this shouldn't be necessary, right? Because I've checked in a vendor directory?

What am I missing? Thanks!

Answer 1

I solved this by blowing away everything in my /vendor dir, and.gitignoring it. This forced GitHub actions to redownload everything. Not sure if this was the most efficient solution, but worked for me!