%{? { macro_name } : true : false }
%{? { macro_name } : true }
%{?! { macro_name } : false : true }
%{?! { macro_name } : false }
More detailed description of the notation:
* Between the first chars "%{?" resp. "%{!?" or "%{?! there can not be a space.
* On the other hand around {condition} and :, there can but not need to be a
space.
* In {condition}, there can be a space before or after macro_name.
So e.g. the following conditions are similar (from rpm point of view):
%{?{macro}:true:false}
%{? { macro } : true : false }
You can view, comment on, or merge this pull request online at:
https://github.com/rpm-software-management/rpm/pull/746
-- Commit Summary --
* Make chkexist variable in macro.c more general
* Create a separate variable for storing parts of a macro
* Support triple operator for conditional shortcut
-- File Changes --
M rpmio/macro.c (187)
M tests/rpmmacro.at (30)
-- Patch Links --
https://github.com/rpm-software-management/rpm/pull/746.patch
https://github.com/rpm-software-management/rpm/pull/746.diff
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