Cache doesn't work with Go 1.14

[barrettj12]

Description:
When I use this action with Go 1.14 and the cache enabled, it fails with

Error: Could not get cache folder paths.

Action version:
v3

Platform:

• Ubuntu
• macOS
• Windows

Runner type:

• Hosted
• Self-hosted

Tools version:

Go 1.14

Repro steps:
Run the following step:

      uses: actions/setup-go@v3
      with:
        go-version: 1.14
        cache: true

See sample test run here:
https://github.com/canonical/pebble/actions/runs/3681163227/jobs/6227686103

[dmitry-shibanov]

Hello @barrettj12. Thank you for your report. We'll investigate the issue.

[e-korolevskii]

Hello @barrettj12

I think the problem is that we use the GOMODCACHE and GOCACHE variables to implement the cache function. But in go 1.14, the GOMODCACHE variable is missing.

[barrettj12]

Yeah, seems for Go <= 1.14, the default should be $GOPATH/pkg/mod.

[e-korolevskii]

Hello @barrettj12

Thanks for your report! It's fixed now! The changes will be available in the next release.
I am closing this issue for now!