From fb1bfeb8f5bcbf3b66036041c6d953fd34777314 Mon Sep 17 00:00:00 2001
From: Cory Bennett <cbennett@netflix.com>
Date: Fri, 1 Sep 2017 23:30:59 -0700
Subject: [PATCH] use jiracli.Error object to disambiguate between kingpin
 errors and cli errors

---
 cmd/jira/main.go | 15 ++++++++++-----
 jiracli/error.go | 13 +++++++++++++
 2 files changed, 23 insertions(+), 5 deletions(-)
 create mode 100644 jiracli/error.go

diff --git a/cmd/jira/main.go b/cmd/jira/main.go
index a11e5fa..47e4062 100644
--- a/cmd/jira/main.go
+++ b/cmd/jira/main.go
@@ -329,11 +329,16 @@ func main() {
 		}
 	}
 	if _, err := app.Parse(os.Args[1:]); err != nil {
-		ctx, _ := app.ParseContext(os.Args[1:])
-		if ctx != nil {
-			app.UsageForContext(ctx)
+		if _, ok := err.(*jiracli.Error); ok {
+			log.Errorf("%s", err)
+			panic(jiracli.Exit{Code: 1})
+		} else {
+			ctx, _ := app.ParseContext(os.Args[1:])
+			if ctx != nil {
+				app.UsageForContext(ctx)
+			}
+			log.Errorf("Invalid Usage: %s", err)
+			panic(jiracli.Exit{Code: 1})
 		}
-		log.Errorf("Invalid Usage: %s", err)
-		panic(jiracli.Exit{Code: 1})
 	}
 }
diff --git a/jiracli/error.go b/jiracli/error.go
new file mode 100644
index 0000000..74dd1eb
--- /dev/null
+++ b/jiracli/error.go
@@ -0,0 +1,13 @@
+package jiracli
+
+import "github.com/pkg/errors"
+
+type Error struct {
+	error
+}
+
+func cliError(cause error) error {
+	return &Error{
+		errors.WithStack(cause),
+	}
+}