command: surface errors to caller

runreveal · Jun 17, 2024 · a890fc3 · a890fc3
1 parent 2bd5e1c
commit a890fc3
Showing 1 changed file with 15 additions and 2 deletions.
diff --git a/internal/sources/command/command.go b/internal/sources/command/command.go
@@ -98,7 +98,8 @@ func (s *Command) recvLoop(ctx context.Context) error {
 			slog.Error(fmt.Sprintf("Error getting stdout pipe: %s", err))
 			return err
 		}
-		_, err = cmd.StderrPipe()
+
+		stderr, err := cmd.StderrPipe()
 		if err != nil {
 			slog.Error(fmt.Sprintf("Error getting stderr pipe: %s", err))
 			return err
@@ -110,6 +111,18 @@ func (s *Command) recvLoop(ctx context.Context) error {
 			return err
 		}
 
+		go func() {
+			errScan := bufio.NewScanner(stderr)
+			for errScan.Scan() {
+				ll := errScan.Text()
+				slog.Error(fmt.Sprintf("command: %s", ll))
+			}
+
+			if err := errScan.Err(); err != nil {
+				slog.Error(fmt.Sprintf("scanning err: %+v", err))
+			}
+		}()
+
 		scanner := bufio.NewScanner(stdout)
 		for scanner.Scan() {
 			line := scanner.Bytes()
@@ -134,7 +147,7 @@ func (s *Command) recvLoop(ctx context.Context) error {
 		}
 
 		if err := scanner.Err(); err != nil {
-			slog.Info(fmt.Sprintf("scanning err: %+v", err))
+			slog.Error(fmt.Sprintf("scanning err: %+v", err))
 			return err
 		}
 		err = cmd.Wait()