From 79a40f82f5586f29158b55edf4e1d31a1b77569c Mon Sep 17 00:00:00 2001
From: frosty <passedgoandgot200@gmail.com>
Date: Tue, 20 Aug 2024 23:01:05 +0000
Subject: [PATCH] add some checks for whether exec cmd exits non-0 or output is
 blank

---
 lib/readers/exec.go | 5 +++++
 main.go             | 3 +++
 2 files changed, 8 insertions(+)

diff --git a/lib/readers/exec.go b/lib/readers/exec.go
index 09e1af9..d30c162 100644
--- a/lib/readers/exec.go
+++ b/lib/readers/exec.go
@@ -18,6 +18,7 @@ package readers
 
 import (
 	"bytes"
+	"errors"
 	"os/exec"
 	"strings"
 )
@@ -36,6 +37,10 @@ func readExec(command string) (interface{}, error) {
 		return ExecInfo(""), err
 	}
 
+	if cmd.ProcessState.ExitCode() != 0 {
+		return ExecInfo(""), errors.New("returned non-zero exit code")
+	}
+
 	outputLines := strings.Split(stdout.String(), "\n")
 	if len(outputLines) == 0 {
 		return ExecInfo(""), nil
diff --git a/main.go b/main.go
index 51b6d4f..e21c252 100644
--- a/main.go
+++ b/main.go
@@ -153,6 +153,9 @@ func main() {
 			mutex.Lock()
 			var combinedOutput string
 			for i, output := range moduleOutputs {
+				if output == "" {
+					continue
+				}
 				if i > 0 {
 					combinedOutput += delim
 				}