As discussed during the RPM Developers' Meetup during DevConf.cz:
please allow %ifarch to be used inline, i.e. make it an expression or provide
an a new syntax for an expression.
The problem is that %ifarch is very verbose and requires at least 3 lines. It'd
be nice to replace this by an inline
That would be easy to implement with an expression:
```
%pytest %[isarch("s390x") ? "|| :" : ""]
```
Would that be ok or is it not short enough?
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You are receivi
Sure, that would work. Ideally the syntax/semantics of the arg would be the
same as for `%ifarch`, so that people don't introduce mistakes when moving
between the two forms.
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Well, %isarch() in all its glory is just:
`%isarch() %[ "%{_target_cpu}" == "%1" ? 1 : 0 ]`
And then:
> $ rpm --eval "%{isarch:x86_64}"
1
$ rpm --eval "%{isarch:s390}"
0
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That's `%isarch` the macro, i used `isarch()` the expression function. But we
can certainly do it with a macro.
But it needs to be able a accept multiple architectures like
`%{isarch:%x86_64}`. (And do we want `%{isarch %x86_64}` to work as well?)
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Oh, I just assumed isarch() meant a macro in there and missed some of the
subtleties suggesting otherwise. Seems to be one of those days...
I have no strong opinions on the details, but seems like a sane thing to have.
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Using a bit of lua:
```
%contains() %{lua:
for i, n in ipairs(arg) do
if i > 1 and arg[1] == arg[i] then
return 1
end
end
return 0
}
%isarch() %{contains %{quote:%_target_cpu} %*}
```
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