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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,78 @@ | ||
| package golinters | ||
|
|
||
| import ( | ||
| "bytes" | ||
| "fmt" | ||
| "go/token" | ||
| "io/ioutil" | ||
| "strings" | ||
| "sync" | ||
|
|
||
| "golang.org/x/tools/go/analysis" | ||
| "mvdan.cc/gofumpt/format" | ||
|
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| "github.com/golangci/golangci-lint/pkg/golinters/goanalysis" | ||
| "github.com/golangci/golangci-lint/pkg/lint/linter" | ||
| "github.com/golangci/golangci-lint/pkg/result" | ||
| ) | ||
|
|
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| const gofumptName = "gofumpt" | ||
|
|
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| func NewGofumpt() *goanalysis.Linter { | ||
| var mu sync.Mutex | ||
| var resIssues []goanalysis.Issue | ||
|
|
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| analyzer := &analysis.Analyzer{ | ||
| Name: gofumptName, | ||
| Doc: goanalysis.TheOnlyanalyzerDoc, | ||
| } | ||
| return goanalysis.NewLinter( | ||
| gofumptName, | ||
| "Gofumpt checks whether code was gofumpt-ed.", | ||
| []*analysis.Analyzer{analyzer}, | ||
| nil, | ||
| ).WithContextSetter(func(lintCtx *linter.Context) { | ||
| analyzer.Run = func(pass *analysis.Pass) (interface{}, error) { | ||
| var fileNames []string | ||
| for _, f := range pass.Files { | ||
| pos := pass.Fset.PositionFor(f.Pos(), false) | ||
| fileNames = append(fileNames, pos.Filename) | ||
| } | ||
|
|
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| var issues []goanalysis.Issue | ||
|
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| for _, f := range fileNames { | ||
| input, err := ioutil.ReadFile(f) | ||
| if err != nil { | ||
| return nil, fmt.Errorf("unable to open file %s: %w", f, err) | ||
| } | ||
| output, err := format.Source(input, "") | ||
| if err != nil { | ||
| return nil, fmt.Errorf("error while running gofumpt: %w", err) | ||
| } | ||
| if !bytes.Equal(input, output) { | ||
| issues = append(issues, goanalysis.NewIssue(&result.Issue{ | ||
| FromLinter: gofumptName, | ||
| Text: "File is not `gofumpt`-ed", | ||
| Pos: token.Position{ | ||
| Filename: f, | ||
| Line: strings.Count(string(input), "\n"), | ||
| }, | ||
| }, pass)) | ||
| } | ||
| } | ||
|
|
||
| if len(issues) == 0 { | ||
| return nil, nil | ||
| } | ||
|
|
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| mu.Lock() | ||
| resIssues = append(resIssues, issues...) | ||
| mu.Unlock() | ||
|
|
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| return nil, nil | ||
| } | ||
| }).WithIssuesReporter(func(*linter.Context) []goanalysis.Issue { | ||
| return resIssues | ||
| }).WithLoadMode(goanalysis.LoadModeSyntax) | ||
| } |
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,11 @@ | ||
| //args: -Egofumpt | ||
| package testdata | ||
|
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| import "fmt" | ||
|
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| func GofumptNewLine() { | ||
|
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| fmt.Println("foo") | ||
| } | ||
|
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| // ERROR "File is not `gofumpt`-ed" |