Re: [PATCH] network: detect conflicting route even if it is the final entry

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On 09/15/2014 11:34 AM, Laine Stump wrote:
> This is a folloup to commit 5f719596, which checks for a route
> conflicting with the standard libvirt default network subnet
> (192.168.122.0/24). It turns out that the output of "ip route show"
> doesn't have a trailing newline,

Well, 'ip' outputs the trailing newline, but $() strips it.

> so there would be no match if the
> route we were looking for was the final line of output. This can be
> solved by adding ${nl} to the end of the output (just as we were
> already doing at the beginning of the output).
> ---
>  libvirt.spec.in | 2 +-
>  1 file changed, 1 insertion(+), 1 deletion(-)
> 

ACK, and sorry for missing it the first time

> diff --git a/libvirt.spec.in b/libvirt.spec.in
> index c2e2be4..bec3a50 100644
> --- a/libvirt.spec.in
> +++ b/libvirt.spec.in
> @@ -1737,7 +1737,7 @@ if test $1 -eq 1 && test ! -f %{_sysconfdir}/libvirt/qemu/networks/default.xml ;
>      sub=${orig_sub}
>      nl='
>  '
> -    routes="${nl}$(ip route show | cut -d' ' -f1)"
> +    routes="${nl}$(ip route show | cut -d' ' -f1)${nl}"
>      case ${routes} in
>        *"${nl}192.168.${orig_sub}.0/24${nl}"*)
>          # there was a match, so we need to look for an unused subnet
> 

-- 
Eric Blake   eblake redhat com    +1-919-301-3266
Libvirt virtualization library http://libvirt.org

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