Use vendored dependencies in RHEL builds

The upstream release tarballs include the vendored dependencies. In
Fedora builds, %goprep will remove them and still use dynamic
buildrequires, but RHEL does not package those and needs to use the
vendoring.

.gitignore

@@ -1 +1,2 @@
 /yggdrasil-worker-package-manager-0.2.0.tar.gz
+/yggdrasil-worker-package-manager-0.2.0.tar.xz

sources

@@ -1 +1 @@
-SHA512 (yggdrasil-worker-package-manager-0.2.0.tar.gz) = da1e015bcecca9d870eb1bf3cb37ed41a8bf02d7de3baf9b91c4fccdf27ea95681700bbb37828770479cce5b193b84335ab4a031e2552d6f9ecdc5596c45c5ab
+SHA512 (yggdrasil-worker-package-manager-0.2.0.tar.xz) = 67e6a7152cf105f8a5593cb47e86be46419291f580fb98a9407bb82b67046288884cb5cf28b55ef0224bfb5f5ce63c636b9bb5f7b7da93828501f0a3af5219eb

yggdrasil-worker-package-manager.spec

@@ -23,7 +23,7 @@ Summary:        Package manager worker for yggdrasil
 
 License:        GPL-3.0-only
 URL:            %{gourl}
-Source:         %{gosource}
+Source:         %{url}/releases/download/%{version}/%{name}-%{version}.tar.xz
 
 BuildRequires:  systemd-rpm-macros
 BuildRequires:  meson
@@ -34,11 +34,13 @@ BuildRequires:  pkgconfig(dbus-1)
 %gopkg
 
 %prep
-%goprep
+%goprep %{?rhel:-k}
 %autopatch -p1
 
+%if %{undefined rhel}
 %generate_buildrequires
 %go_generate_buildrequires
+%endif
 
 %build
 %undefine _auto_set_build_flags
@@ -58,6 +60,9 @@ export %gomodulesmode
 
 %files
 %license LICENSE
+%if %{defined rhel}
+%license vendor/modules.txt
+%endif
 %doc README.md
 %{_libexecdir}/*
 %config(noreplace) %{_sysconfdir}/%{name}