If I'm not mistaken, there is no standard way of getting the value of just a
single arbitrary substitution variable, such as ${source:Upstream-Version}.
Consequently, countless of debian/rules and other scripts reinvent the wheel
using dpkg-parsechangelog together with slightly varying sed programs, which
sometimes give an incorrect result.
So I thought that it might be a good idea to implement a general-case
dpkg-substvars. Turns out somebody already did that - seven years ago.
However, http://bugs.debian.org/66336 was tagged wontfix, probably because it
tried to make it possible to use substitution variables in package names.
But if we forget about variable package names, wouldn't dpkg-substvars be a
good idea?
--
Magnus Holmgren holmgren@lysator.liu.se
(No Cc of list mail needed, thanks)
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