feat: colorful console output

Author: zh-h

lib/runner.go

@@ -97,24 +97,16 @@ func (r *runner) Exited() bool {
 
 func (r *runner) runBin() error {
 	r.command = exec.Command(r.bin, r.args...)
-	stdout, err := r.command.StdoutPipe()
-	if err != nil {
-		return err
-	}
-	stderr, err := r.command.StderrPipe()
-	if err != nil {
-		return err
-	}
+	r.command.Stdout = r.writer // Eascaped ansi color code output
+	r.command.Stderr = r.writer
 
-	err = r.command.Start()
+	err := r.command.Start()
 	if err != nil {
 		return err
 	}
 
 	r.starttime = time.Now()
 
-	go io.Copy(r.writer, stdout)
-	go io.Copy(r.writer, stderr)
 	go r.command.Wait()
 
 	return nil

lib/runner_test.go

@@ -85,8 +85,8 @@ func Test_Runner_SetWriter(t *testing.T) {
 	expect(t, err, nil)
 
 	if runtime.GOOS == "windows" {
-		expect(t, buff.String(), "Hello world\r\n")
+		expect(t, buff.String(), "\\x1B[01;94mHello world\\x1B[0m\r\n")
 	} else {
-		expect(t, buff.String(), "Hello world\n")
+		expect(t, buff.String(), "\\x1B[01;94mHello world\\x1B[0m\n")
 	}
 }

lib/test_fixtures/writing_output

@@ -1,3 +1,3 @@
 #!/usr/bin/env bash
 sleep 0.05
-echo "Hello world"
+echo -e "\x1B[01;94mHello world\x1B[0m"

lib/test_fixtures/writing_output.bat

@@ -1 +1 @@
-@echo Hello world
+@echo \x1B[01;94mHello world\x1B[0m