Fix #209: support goimports.local-prefix option for goimports

Author: jirfag

.golangci.example.yml

@@ -68,6 +68,10 @@ linters-settings:
   gofmt:
     # simplify code: gofmt with `-s` option, true by default
     simplify: true
+  goimports:
+    # put imports beginning with prefix after 3rd-party packages;
+    # it's a comma-separated list of prefixes
+    local-prefixes: github.com/org/project
   gocyclo:
     # minimal code complexity to report, 30 by default (but we recommend 10-20)
     min-complexity: 10

.golangci.yml

@@ -22,6 +22,8 @@ linters-settings:
     locale: US
   lll:
     line-length: 140
+  goimports:
+    local-prefixes: github.com/golangci/golangci-lint
 
 linters:
   enable-all: true

README.md

@@ -518,6 +518,10 @@ linters-settings:
   gofmt:
     # simplify code: gofmt with `-s` option, true by default
     simplify: true
+  goimports:
+    # put imports beginning with prefix after 3rd-party packages;
+    # it's a comma-separated list of prefixes
+    local-prefixes: github.com/org/project
   gocyclo:
     # minimal code complexity to report, 30 by default (but we recommend 10-20)
     min-complexity: 10
@@ -655,6 +659,8 @@ linters-settings:
     locale: US
   lll:
     line-length: 140
+  goimports:
+    local-prefixes: github.com/golangci/golangci-lint
 
 linters:
   enable-all: true

pkg/commands/executor.go

@@ -1,14 +1,15 @@
 package commands
 
 import (
+	"github.com/spf13/cobra"
+	"github.com/spf13/pflag"
+
 	"github.com/golangci/golangci-lint/pkg/config"
 	"github.com/golangci/golangci-lint/pkg/goutil"
 	"github.com/golangci/golangci-lint/pkg/lint"
 	"github.com/golangci/golangci-lint/pkg/lint/lintersdb"
 	"github.com/golangci/golangci-lint/pkg/logutils"
 	"github.com/golangci/golangci-lint/pkg/report"
-	"github.com/spf13/cobra"
-	"github.com/spf13/pflag"
 )
 
 type Executor struct {

pkg/commands/help.go

@@ -6,9 +6,10 @@ import (
 	"strings"
 
 	"github.com/fatih/color"
+	"github.com/spf13/cobra"
+
 	"github.com/golangci/golangci-lint/pkg/lint/linter"
 	"github.com/golangci/golangci-lint/pkg/logutils"
-	"github.com/spf13/cobra"
 )
 
 func (e *Executor) initHelp() {

pkg/commands/linters.go

@@ -5,8 +5,9 @@ import (
 	"os"
 
 	"github.com/fatih/color"
-	"github.com/golangci/golangci-lint/pkg/lint/linter"
 	"github.com/spf13/cobra"
+
+	"github.com/golangci/golangci-lint/pkg/lint/linter"
 )
 
 func (e *Executor) initLinters() {

pkg/commands/root.go

@@ -6,10 +6,11 @@ import (
 	"runtime"
 	"runtime/pprof"
 
-	"github.com/golangci/golangci-lint/pkg/config"
-	"github.com/golangci/golangci-lint/pkg/logutils"
 	"github.com/spf13/cobra"
 	"github.com/spf13/pflag"
+
+	"github.com/golangci/golangci-lint/pkg/config"
+	"github.com/golangci/golangci-lint/pkg/logutils"
 )
 
 func (e *Executor) persistentPreRun(cmd *cobra.Command, args []string) {

pkg/commands/run.go

@@ -11,16 +11,17 @@ import (
 	"time"
 
 	"github.com/fatih/color"
+	"github.com/pkg/errors"
+	"github.com/spf13/cobra"
+	"github.com/spf13/pflag"
+
 	"github.com/golangci/golangci-lint/pkg/config"
 	"github.com/golangci/golangci-lint/pkg/exitcodes"
 	"github.com/golangci/golangci-lint/pkg/lint"
 	"github.com/golangci/golangci-lint/pkg/lint/lintersdb"
 	"github.com/golangci/golangci-lint/pkg/logutils"
 	"github.com/golangci/golangci-lint/pkg/printers"
 	"github.com/golangci/golangci-lint/pkg/result"
-	"github.com/pkg/errors"
-	"github.com/spf13/cobra"
-	"github.com/spf13/pflag"
 )
 
 func getDefaultExcludeHelp() string {

pkg/config/config.go

@@ -127,6 +127,9 @@ type LintersSettings struct {
 	Gofmt struct {
 		Simplify bool
 	}
+	Goimports struct {
+		LocalPrefixes string `mapstructure:"local-prefixes"`
+	}
 	Gocyclo struct {
 		MinComplexity int `mapstructure:"min-complexity"`
 	}

pkg/config/reader.go

@@ -7,9 +7,10 @@ import (
 	"path/filepath"
 	"strings"
 
+	"github.com/spf13/viper"
+
 	"github.com/golangci/golangci-lint/pkg/fsutils"
 	"github.com/golangci/golangci-lint/pkg/logutils"
-	"github.com/spf13/viper"
 )
 
 type FileReader struct {