Implement auto-fixing for gofmt,goimports,misspell

Also, add more identifier marking patterns.

pkg/result/processors/max_per_file_from_linter.go

@@ -1,6 +1,7 @@
 package processors
 
 import (
+	"github.com/golangci/golangci-lint/pkg/config"
 	"github.com/golangci/golangci-lint/pkg/result"
 )
 
@@ -8,14 +9,26 @@ type linterToCountMap map[string]int
 type fileToLinterToCountMap map[string]linterToCountMap
 
 type MaxPerFileFromLinter struct {
-	flc fileToLinterToCountMap
+	flc                        fileToLinterToCountMap
+	maxPerFileFromLinterConfig map[string]int
 }
 
 var _ Processor = &MaxPerFileFromLinter{}
 
-func NewMaxPerFileFromLinter() *MaxPerFileFromLinter {
+func NewMaxPerFileFromLinter(cfg *config.Config) *MaxPerFileFromLinter {
+	maxPerFileFromLinterConfig := map[string]int{
+		"typecheck": 3,
+	}
+	if !cfg.Issues.NeedFix {
+		// if we don't fix we do this limiting to not annoy user;
+		// otherwise we need to fix all issues in the file at once
+		maxPerFileFromLinterConfig["gofmt"] = 1
+		maxPerFileFromLinterConfig["goimports"] = 1
+	}
+
 	return &MaxPerFileFromLinter{
-		flc: fileToLinterToCountMap{},
+		flc:                        fileToLinterToCountMap{}, //nolint:goimports,gofmt
+		maxPerFileFromLinterConfig: maxPerFileFromLinterConfig,
 	}
 }
 
@@ -23,15 +36,9 @@ func (p MaxPerFileFromLinter) Name() string {
 	return "max_per_file_from_linter"
 }
 
-var maxPerFileFromLinterConfig = map[string]int{
-	"gofmt":     1,
-	"goimports": 1,
-	"typecheck": 3,
-}
-
 func (p *MaxPerFileFromLinter) Process(issues []result.Issue) ([]result.Issue, error) {
 	return filterIssues(issues, func(i *result.Issue) bool {
-		limit := maxPerFileFromLinterConfig[i.FromLinter]
+		limit := p.maxPerFileFromLinterConfig[i.FromLinter]
 		if limit == 0 {
 			return true
 		}