#Golangci lint goland code

By default this tool runs with -s option to check for code simplification Gofmt: Gofmt checks whether code was gofmt-ed. Gocyclo: Computes and checks the cyclomatic complexity of functions Goconst: Finds repeated strings that could be replaced by a constant Unconvert: Remove unnecessary type conversions Дupl: Tool for code clone detection Interfacer: Linter that suggests narrower interface types Gas: Inspects source code for security problems Gofmt reformats Go source code, whereas golint prints out style mistakes Typecheck: Like the front-end of a Go compiler, parses and type-checks Go code ДЄnd the following linters are disabled by default: $ golangci-lint help linters Ineffassign: Detects when assignments to existing variables are not used Дeadcode: Finds unused code Varcheck: Finds unused global variables and constants Structcheck: Finds an unused struct fields Gosimple: Linter for Go source code that specializes in simplifying a code Unused: Checks Go code for unused constants, variables, functions and types Staticcheck: Staticcheck is a go vet on steroids, applying a ton of static analysis checks These unchecked errors can be critical bugs in some cases Govet: Vet examines Go source code and reports suspicious constructs, such as Printf calls whose arguments do not align with the format string Д®rrcheck: Errcheck is a program for checking for unchecked errors in go programs. By default the following linters are enabled: $ golangci-lint help linters GolangCI-Lint can be used with zero configuration. dir3/file1.goДirectories are NOT analyzed recursively. You can choose which directories and files to analyze: golangci-lint run dir1 dir2/. It's an equivalent of executing: golangci-lint run. To run golangci-lint execute: golangci-lint run

#Golangci lint goland install

You can also install it on OSX using brew: brew install golangci/tap/golangci-lint go get -u /golangci/golangci-lint/cmd/golangci-lint Only install like this for your local development environment. It's a not recommended for your CI pipeline. But please always check for newly found issues and

#Golangci lint goland update

Periodically update version of golangci-lint: the project is under active developmentДЄnd is constantly being improved. Version from the releases page): # binary will be $GOPATH/bin/golangci-lintД¬url -sfL | bash -s -b $GOPATH/bin vX.Y.Z The recommended way to install golangci-lint (replace vX.Y.Z with the latest Releases are available on the releases page. It's highly recommended to install a fixed version of golangci-lint. Use -enable-all and a new linter is added or even without -enable-all: when one upstream linter With golangci-lint this can happen if you It's important to have reproducible CI:Дon't start to fail all builds at the same time.

Most installations are done for CI (travis, circleci etc).

Short 1.5 min video demo of analyzing beego. Sponsored by : SaaS service for running linters on Github pull requests. GolangCI-Lint has integrations with VS Code, GNU Emacs, Sublime Text.

It's easy to integrate and use, has nice output and has a minimum number of false positives. It's fast: on average 5 times faster than gometalinter.