From e3112d5a4fd5bfe1164fa90c8740ad63a027a5b1 Mon Sep 17 00:00:00 2001
From: Liam Staskawicz <lstask@gmail.com>
Date: Sun, 23 Dec 2012 17:51:49 -0800
Subject: [PATCH] migrate: validate that given migrations don't have ID 0

---
 migrate.go | 8 +++++++-
 1 file changed, 7 insertions(+), 1 deletion(-)

diff --git a/migrate.go b/migrate.go
index 4f1abbe..7a2a624 100644
--- a/migrate.go
+++ b/migrate.go
@@ -189,7 +189,13 @@ func numericComponent(name string) (int, error) {
 	if idx < 0 {
 		return 0, errors.New("no separator found")
 	}
-	return strconv.Atoi(base[:idx])
+
+	n, e := strconv.Atoi(base[:idx])
+	if e == nil && n == 0 {
+		return 0, errors.New("0 is not a valid migration ID")
+	}
+
+	return n, e
 }
 
 // retrieve the current version for this DB.