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Update golangci-lint for go 1.20 #241

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Update golangci-lint for go 1.20 #241

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marckhouzam
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@marckhouzam marckhouzam commented Apr 30, 2023 •
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This PR is on top of #243 because CI was failing

What this PR does / why we need it

This PR update golangci-lint to version 1.52.2 for it to work with go 1.20

Note that "allow-leading-space" is no longer supported as mentioned in golangci/golangci-lint#3063 (comment)

The PR fixes or disables (appropriately) new warnings that are now reported.

This has been done in the sister repo: vmware-tanzu/tanzu-plugin-runtime#56

Which issue(s) this PR fixes

Fixes #240

Describe testing done for PR

Ran make go-lint with the new version of golangci-lint using both go 1.19 and go 1.20, which are the only two versions we support for the tanzu-cli repo.

$ rm hack/tools/bin/golangci-lint
$ asdf shell golang 1.19.4 ;go version;make go-lint
go version go1.19.4 darwin/arm64
make -C /Users/kmarc/git/tanzu-cli/hack/tools golangci-lint
mkdir -p bin
GOBIN=/Users/kmarc/git/tanzu-cli/hack/tools/bin go install github.com/golangci/golangci-lint/cmd/[email protected]
/Users/kmarc/git/tanzu-cli/hack/tools/bin/golangci-lint run --timeout=10m || exit 1
WARN [runner] The linter 'varcheck' is deprecated (since v1.49.0) due to: The owner seems to have abandoned the linter. Replaced by unused.
WARN [runner] The linter 'deadcode' is deprecated (since v1.49.0) due to: The owner seems to have abandoned the linter. Replaced by unused.
WARN [runner] The linter 'structcheck' is deprecated (since v1.49.0) due to: The owner seems to have abandoned the linter. Replaced by unused.
WARN [linters_context] structcheck is disabled because of generics. You can track the evolution of the generics support by following the https://github.com/golangci/golangci-lint/issues/2649.
# Prevent use of deprecated ioutils module
$

$ asdf shell golang 1.20.3;go version;make go-lint
go version go1.20.3 darwin/arm64
make -C /Users/kmarc/git/tanzu-cli/hack/tools golangci-lint
make[1]: Nothing to be done for `golangci-lint'.
/Users/kmarc/git/tanzu-cli/hack/tools/bin/golangci-lint run --timeout=10m || exit 1
WARN [runner] The linter 'structcheck' is deprecated (since v1.49.0) due to: The owner seems to have abandoned the linter. Replaced by unused.
WARN [runner] The linter 'deadcode' is deprecated (since v1.49.0) due to: The owner seems to have abandoned the linter. Replaced by unused.
WARN [runner] The linter 'varcheck' is deprecated (since v1.49.0) due to: The owner seems to have abandoned the linter. Replaced by unused.
WARN [linters_context] structcheck is disabled because of generics. You can track the evolution of the generics support by following the https://github.com/golangci/golangci-lint/issues/2649.
# Prevent use of deprecated ioutils module
$

Release note

Additional information

Special notes for your reviewer

This change was prompted that the makefiles generated for a new plugin project was also using golangci-lint v1.49.0 which would cause plugin projects not fail linting if they wanted to use go 1.20.

@marckhouzam marckhouzam requested a review from a team as a code owner April 30, 2023 21:05
@marckhouzam marckhouzam force-pushed the feat/updateGolangci branch 2 times, most recently from 902cb47 to fa2c943 Compare April 30, 2023 21:26
@marckhouzam
Update golangci-lint for go 1.20
a28c67f 
Fixes vmware-tanzu#240

Note that "allow-leading-space" is no longer supported as mentioned in
golangci/golangci-lint#3063 (comment)

Fix new warnings that are now reported.

Signed-off-by: Marc Khouzam <[email protected]>
@marckhouzam marckhouzam marked this pull request as draft May 1, 2023 13:24
@marckhouzam
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I'm having a lot of error from revive, which will require more time.
Originally I had disabled a single error type from revive and thought everything was fine, but it turns out that revive was turned off completely. When trying to fix that, golangci-lint crashes. I'll get back to this when I have more time.

The problematic configuration is:

linters-settings:
  revive:
    # As soon as a config is provides, all rules are disabled
    # This enable-all-rules setting should turn them back on
    # But it crashes golangci-lint 1.52.2 (I tried it with go 1.20.3)
    enable-all-rules: true
    rules:
      - name: unused-parameter
        disabled: true

@marckhouzam
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This has been done in another PR

@marckhouzam marckhouzam closed this Oct 8, 2023
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golangci-lint fails with go 1.20
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@marckhouzam @vmwclabot