From 6104b423682d6e23f968eff641b89c23cc3d4aa6 Mon Sep 17 00:00:00 2001
From: Andrey Nering <andrey.nering@gmail.com>
Date: Sun, 26 Feb 2017 21:23:38 -0300
Subject: [PATCH] Better error message on task run error

---
 task.go | 11 ++++++++++-
 1 file changed, 10 insertions(+), 1 deletion(-)

diff --git a/task.go b/task.go
index 1a56ed65..9033ce8b 100644
--- a/task.go
+++ b/task.go
@@ -34,6 +34,15 @@ func (err *TaskNotFoundError) Error() string {
 	return fmt.Sprintf(`Task "%s" not found`, err.taskName)
 }
 
+type TaskRunError struct {
+	taskName string
+	err      error
+}
+
+func (err *TaskRunError) Error() string {
+	return fmt.Sprintf(`Failed to run task "%s": %v`, err.taskName, err.err)
+}
+
 func main() {
 	log.SetFlags(0)
 
@@ -76,7 +85,7 @@ func RunTask(name string) error {
 		cmd.Stdout = os.Stdout
 		cmd.Stderr = os.Stderr
 		if err := cmd.Run(); err != nil {
-			return err
+			return &TaskRunError{name, err}
 		}
 	}
 	return nil