On 03/16/2011 05:54 AM, Jiri Denemark wrote:
> ---
> If anyone knows how to make rpm to evaluate %(...) immediately and not
> at every appearance of rhel/fedora, that would be really cool.
It looks like %{lua: expression} is the trick to do an immediate
evaluation; my problem is that I don't know the appropriate lua
expression to replace your sed script.
http://www.rpm.org/wiki/PackagerDocs/RpmLua
> +++ b/libvirt.spec.in
> @@ -1,5 +1,11 @@
> # -*- rpm-spec -*-
>
> +# if neither fedora nor rhel was defined, try to guess them from %{dist}
> +%if !0%{?rhel} && !0%{?fedora}
> +%define rhel %(echo "%{?dist}" | sed -ne 's/^\\.el\\([0-9]\\+\\).*/\\1/p')
> +%define fedora %(echo "%{?dist}" | sed -ne 's/^\\.fc\\?\\([0-9]\\+\\).*/\\1/p')
> +%endif
This looks reasonable as is, but like you said, it would be nicer to
compute it once.
--
Eric Blake eblake@xxxxxxxxxx +1-801-349-2682
Libvirt virtualization library http://libvirt.org
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