make rpm spec more flexible to build master branch

Author: michaelwittig

aws-ec2-ssh.spec

@@ -1,7 +1,7 @@
 %define name aws-ec2-ssh
 %define version %{jenkins_version}
 %define release %{jenkins_release}%{?dist}
-
+%define archive %{jenkins_archive}
 
 Name:       %{name}
 Summary:    Manage AWS EC2 SSH access with IAM
@@ -11,7 +11,7 @@ Release:    %{release}
 Group:      System/Administration
 License:    MIT
 URL:        https://cloudonaut.io/manage-aws-ec2-ssh-access-with-iam/
-Source0:    https://github.com/widdix/aws-ec2-ssh/archive/v%{version}.tar.gz
+Source0:    https://github.com/widdix/aws-ec2-ssh/archive/%{archive}.tar.gz
 BuildRoot:  %{_tmppath}/%{name}-%{version}-%{release}-buildroot
 BuildArch:  noarch
 BuildRoot:  %{_tmppath}/%{name}-root}