recreate go.sum (happens after guireleaser is released)

Signed-off-by: Jeff Carr <jcarr@wit.com>

doRelease.go

@@ -3,8 +3,10 @@ package main
 
 import (
 	"os"
+	"path/filepath"
 	"strings"
 
+	"go.wit.com/lib/gui/shell"
 	"go.wit.com/log"
 )
 
@@ -165,6 +167,12 @@ func doPublishVersion() bool {
 		log.Info("CAN NOT SELF UPDATE HERE. cmd =", cmd)
 		return false
 	}
+	homeDir, _ := os.UserHomeDir()
+	gosum := filepath.Join(homeDir, "go/src/go.wit.com/apps/guireleaser/go.sum")
+	if !shell.Exists(gosum) {
+		log.Info("go.sum must exist here")
+		release.guireleaser.status.MakeRedomod()
+	}
 	os.Unsetenv("GO111MODULE")
 	log.Info("TRYING TO SELF UPDATE HERE. cmd =", cmd)
 	err, out := release.guireleaser.status.RunCmd(cmd)