From 0a3af49856f062879b0284ff055e564f1eef8b0c Mon Sep 17 00:00:00 2001
From: Joe Wilner <jwilner@ns1.com>
Date: Thu, 9 Jul 2020 21:35:28 -0400
Subject: [PATCH 1/2] Add ability to specify path prefix in output.

---
 pkg/commands/run.go  | 12 ++++++++++++
 pkg/config/config.go |  9 +++++----
 2 files changed, 17 insertions(+), 4 deletions(-)

diff --git a/pkg/commands/run.go b/pkg/commands/run.go
index e4887d587a50..a3b9757f2804 100644
--- a/pkg/commands/run.go
+++ b/pkg/commands/run.go
@@ -6,6 +6,7 @@ import (
 	"io/ioutil"
 	"log"
 	"os"
+	"path"
 	"runtime"
 	"strings"
 	"time"
@@ -81,6 +82,7 @@ func initFlagSet(fs *pflag.FlagSet, cfg *config.Config, m *lintersdb.Manager, is
 	fs.BoolVar(&oc.PrintLinterName, "print-linter-name", true, wh("Print linter name in issue line"))
 	fs.BoolVar(&oc.UniqByLine, "uniq-by-line", true, wh("Make issues output unique by line"))
 	fs.BoolVar(&oc.PrintWelcomeMessage, "print-welcome", false, wh("Print welcome message"))
+	fs.StringVar(&oc.PathPrefix, "path-prefix", "", wh("Path prefix to add to output"))
 	hideFlag("print-welcome") // no longer used
 
 	// Run config
@@ -377,6 +379,8 @@ func (e *Executor) runAndPrint(ctx context.Context, args []string) error {
 
 	e.setExitCodeIfIssuesFound(issues)
 
+	e.postProcess(issues)
+
 	if err = p.Print(ctx, issues); err != nil {
 		return fmt.Errorf("can't print %d issues: %s", len(issues), err)
 	}
@@ -413,6 +417,14 @@ func (e *Executor) createPrinter() (printers.Printer, error) {
 	return p, nil
 }
 
+func (e *Executor) postProcess(issues []result.Issue) {
+	if e.cfg.Output.PathPrefix != "" {
+		for i := range issues {
+			issues[i].Pos.Filename = path.Join(e.cfg.Output.PathPrefix, issues[i].FilePath())
+		}
+	}
+}
+
 func (e *Executor) executeRun(_ *cobra.Command, args []string) {
 	needTrackResources := e.cfg.Run.IsVerbose || e.cfg.Run.PrintResourcesUsage
 	trackResourcesEndCh := make(chan struct{})
diff --git a/pkg/config/config.go b/pkg/config/config.go
index 3afd40406b08..5717bb669d3f 100644
--- a/pkg/config/config.go
+++ b/pkg/config/config.go
@@ -516,10 +516,11 @@ type Config struct {
 	Output struct {
 		Format              string
 		Color               string
-		PrintIssuedLine     bool `mapstructure:"print-issued-lines"`
-		PrintLinterName     bool `mapstructure:"print-linter-name"`
-		UniqByLine          bool `mapstructure:"uniq-by-line"`
-		PrintWelcomeMessage bool `mapstructure:"print-welcome"`
+		PrintIssuedLine     bool   `mapstructure:"print-issued-lines"`
+		PrintLinterName     bool   `mapstructure:"print-linter-name"`
+		UniqByLine          bool   `mapstructure:"uniq-by-line"`
+		PrintWelcomeMessage bool   `mapstructure:"print-welcome"`
+		PathPrefix          string `mapstructure:"path-prefix"`
 	}
 
 	LintersSettings LintersSettings `mapstructure:"linters-settings"`

From 5648db39aae99ddcd337909a091292daf6ec6683 Mon Sep 17 00:00:00 2001
From: Joe Wilner <jwilner@ns1.com>
Date: Thu, 9 Jul 2020 21:39:01 -0400
Subject: [PATCH 2/2] Update docs

---
 .golangci.example.yml | 3 +++
 1 file changed, 3 insertions(+)

diff --git a/.golangci.example.yml b/.golangci.example.yml
index 28e2715d897f..be5b865cf21e 100644
--- a/.golangci.example.yml
+++ b/.golangci.example.yml
@@ -72,6 +72,9 @@ output:
   # make issues output unique by line, default is true
   uniq-by-line: true
 
+  # add a prefix to the output file references; default is no prefix
+  path-prefix: ""
+
 
 # all available settings of specific linters
 linters-settings: