[Rpm-maint] [rpm-software-management/rpm] Reimplement pythondeps.sh as parametric macro generators (#1153)

[Panu Matilainen]

@pmatilai commented on this pull request.



> @@ -1,4 +1,28 @@
-%__python_provides	%{_rpmconfigdir}/pythondeps.sh --provides
-%__python_requires	%{_rpmconfigdir}/pythondeps.sh --requires
+%__python_provides() %{lua:
+    -- Match buildroot/payload paths of the form
+    --    /PATH/OF/BUILDROOT/usr/bin/pythonMAJOR.MINOR
+    -- generating a line of the form
+    --    python(abi) = MAJOR.MINOR
+    -- (Don't match against -config tools e.g. /usr/bin/python2.6-config)
+    local path = rpm.expand('%1')
+    if path:match('/usr/bin/python%d+%.%d+$') then

As a matter of fact, there is. It's not for sissies either as there are not command history or even line editing available, but there is: `rpm --eval "%{lua:rpm.interactive()}"`

I personally find running `rpm --eval %{lua:...whatever...}` from the shell less painful.

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