From 5a33d13de098840002f06dedf25e5a1e532a001b Mon Sep 17 00:00:00 2001
From: stirante <brzozowski.s.piotr@gmail.com>
Date: Sat, 25 Sep 2021 20:13:49 +0200
Subject: [PATCH] Send filter output through logs

---
 regolith/utils.go | 15 +++++++++++++--
 1 file changed, 13 insertions(+), 2 deletions(-)

diff --git a/regolith/utils.go b/regolith/utils.go
index 0ab3cdbc..916dabb7 100644
--- a/regolith/utils.go
+++ b/regolith/utils.go
@@ -1,8 +1,10 @@
 package regolith
 
 import (
+	"bufio"
 	"errors"
 	"fmt"
+	"io"
 	"os"
 	"os/exec"
 	"path/filepath"
@@ -32,9 +34,18 @@ func GetAbsoluteWorkingDirectory() string {
 func RunSubProcess(command string, args []string, absoluteLocation string, workingDir string) error {
 	cmd := exec.Command(command, args...)
 	cmd.Dir = workingDir
-	cmd.Stdout = os.Stdout
-	cmd.Stderr = os.Stderr
+	out, _ := cmd.StdoutPipe()
+	err, _ := cmd.StderrPipe()
+	go LogStd(out, Logger.Infof)
+	go LogStd(err, Logger.Errorf)
 	cmd.Env = append(os.Environ(), "FILTER_DIR="+absoluteLocation)
 
 	return cmd.Run()
 }
+
+func LogStd(in io.ReadCloser, logFunc func(template string, args ...interface{})) {
+	scanner := bufio.NewScanner(in)
+	for scanner.Scan() {
+		logFunc("[Filter] %s", scanner.Text())
+	}
+}