config: spread go version on linter's configurations (golangci#2913)

Author: ldez

.golangci.reference.yml

@@ -557,6 +557,7 @@ linters-settings:
   gofumpt:
     # Select the Go version to target.
     # Default: "1.15"
+    # Deprecated: use the global `run.go` instead.
     lang-version: "1.17"
 
     # Module path which contains the source code being formatted.
@@ -699,6 +700,7 @@ linters-settings:
   gosimple:
     # Select the Go version to target.
     # Default: 1.13
+    # Deprecated: use the global `run.go` instead.
     go: "1.15"
     # https://staticcheck.io/docs/options#checks
     # Default: ["*"]
@@ -1568,6 +1570,7 @@ linters-settings:
   staticcheck:
     # Select the Go version to target.
     # Default: "1.13"
+    # Deprecated: use the global `run.go` instead.
     go: "1.15"
     # https://staticcheck.io/docs/options#checks
     # Default: ["*"]
@@ -1576,6 +1579,7 @@ linters-settings:
   stylecheck:
     # Select the Go version to target.
     # Default: 1.13
+    # Deprecated: use the global `run.go` instead.
     go: "1.15"
     # https://staticcheck.io/docs/options#checks
     # Default: ["*"]

.golangci.yml

@@ -134,6 +134,14 @@ issues:
     - path: pkg/commands/run.go
       text: "SA1019: e.cfg.Run.Deadline is deprecated: Deadline exists for historical compatibility and should not be used."
 
+    - path: pkg/golinters/gofumpt.go
+      text: "SA1019: settings.LangVersion is deprecated: use the global `run.go` instead."
+    - path: pkg/golinters/staticcheck_common.go
+      text: "SA1019: settings.GoVersion is deprecated: use the global `run.go` instead."
+    - path: pkg/lint/lintersdb/manager.go
+      text: "SA1019: (.+).(GoVersion|LangVersion) is deprecated: use the global `run.go` instead."
+
+
 run:
   timeout: 5m
   go: '1.17' # TODO(ldez): we force to use an old version of Go for the CI and the tests.

pkg/config/linters_settings.go

@@ -318,9 +318,11 @@ type GoFmtSettings struct {
 }
 
 type GofumptSettings struct {
+	ModulePath string `mapstructure:"module-path"`
+	ExtraRules bool   `mapstructure:"extra-rules"`
+
+	// Deprecated: use the global `run.go` instead.
 	LangVersion string `mapstructure:"lang-version"`
-	ModulePath  string `mapstructure:"module-path"`
-	ExtraRules  bool   `mapstructure:"extra-rules"`
 }
 
 type GoHeaderSettings struct {
@@ -527,6 +529,7 @@ type RowsErrCheckSettings struct {
 }
 
 type StaticCheckSettings struct {
+	// Deprecated: use the global `run.go` instead.
 	GoVersion string `mapstructure:"go"`
 
 	Checks                  []string `mapstructure:"checks"`

pkg/golinters/staticcheck.go

@@ -9,7 +9,6 @@ import (
 
 func NewStaticcheck(settings *config.StaticCheckSettings) *goanalysis.Linter {
 	cfg := staticCheckConfig(settings)
-
 	analyzers := setupStaticCheckAnalyzers(staticcheck.Analyzers, getGoVersion(settings), cfg.Checks)
 
 	return goanalysis.NewLinter(

pkg/golinters/staticcheck_common.go

@@ -24,8 +24,7 @@ func getGoVersion(settings *config.StaticCheckSettings) string {
 		return goVersion
 	}
 
-	// TODO: uses "1.13" for backward compatibility, but in the future (v2) must be set by using build.Default.ReleaseTags like staticcheck.
-	return "1.13"
+	return "1.17"
 }
 
 func setupStaticCheckAnalyzers(src []*lint.Analyzer, goVersion string, checks []string) []*analysis.Analyzer {

pkg/lint/lintersdb/manager.go

@@ -240,6 +240,23 @@ func (m Manager) GetAllSupportedLinterConfigs() []*linter.Config {
 		if govetCfg != nil {
 			govetCfg.Go = m.cfg.Run.Go
 		}
+
+		if gofumptCfg != nil && gofumptCfg.LangVersion == "" {
+			gofumptCfg.LangVersion = m.cfg.Run.Go
+		}
+
+		if staticcheckCfg != nil && staticcheckCfg.GoVersion == "" {
+			staticcheckCfg.GoVersion = m.cfg.Run.Go
+		}
+		if gosimpleCfg != nil && gosimpleCfg.GoVersion == "" {
+			gosimpleCfg.GoVersion = m.cfg.Run.Go
+		}
+		if stylecheckCfg != nil && stylecheckCfg.GoVersion != "" {
+			stylecheckCfg.GoVersion = m.cfg.Run.Go
+		}
+		if unusedCfg != nil && unusedCfg.GoVersion == "" {
+			unusedCfg.GoVersion = m.cfg.Run.Go
+		}
 	}
 
 	const megacheckName = "megacheck"