On Fri, 3 Jul 2020 11:09:47 -0700
PGNet Dev <pgnet.dev@xxxxxxxxx> wrote:
> on F32,
>
> date +FORMAT,
> date +%Y%m%d_%H%M%S
>
> returns
> 20200703_105351
>
>
>
> as expected.
>
> in an rpm .spec, if I define
>
> %define _build_timestamp %( date +%Y%m%d_%H%M%S )
>
> and _use_ %{_build_timestamp) _anywhere_ else in the spec, at exec of
> any of rpmbuild/mock build/@COPR etc, it appears as
>
> '20200703_105351OURCE'
>
> ?????
>
> Simply changing the define to
>
> %define _build_timestamp %( date +%Y%m%d_%H%M%S | head -c 15 )
>
> 'fixes' the problem, and use of %{_build_timestamp) correctly returns
>
> '20200703_105351'
>
>
>
> Is this a bug in rpmbuild or date? Or a problem in my usage?
Remember that '%' introduces a macro expansion, so if that's not what
you want, you should escape the '%' as '%%':
%define _build_timestamp %( date +%%Y%%m%%d_%%H%%M%%S )
Paul.
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