[Rpm-maint] [rpm-software-management/rpm] add support for %{shrink:}, derived from rpm5.org (#234)

proyvind notifications at github.com
Sun Jun 11 06:34:42 UTC 2017


There's no %{trim:} nor %{strip:}.. ;)
But beyond just trimming/stripping, it shrinks it all the way down minimal size.
Where there's a common practice of ending macro defintions with '\n %{nil}', the parsed output of will become completely unfeasiable for use with scripts etc. that won't handle newline at at all kinds of unexpected places.

Ie. see [532a383a4bc19daee7ac96ce44947bfa12b0ad7c](https://github.com/rpm-software-management/rpm/pull/122/commits/532a383a4bc19daee7ac96ce44947bfa12b0ad7c), where without being able to shrink down the expanded macros, there would've been several newlines in place breaking use of parallel.


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