On 10/27/2017 05:31 PM, R P Herrold wrote:
On Fri, 27 Oct 2017, Vít Ondruch wrote:
https://fedoraproject.org/wiki/Packaging:Guidelines
interesting to re-read
I noticed in the Scripts languages section the ** absence **
of /bin/sh (and not 'bash' with its 'bashisms'), and lua
Each should probably be present for completeness ... it may
finally provoke the lua hooks in rpm to become used, and os
useful
It's often necessary to use Lua for scriptlets which run reliably
because RPM lacks delayed script execution. In contrast, dpkg unpacks
dependencies and then runs the postinst scripts, so the mere binaries
can be assumed installed, the package just has not been configured.
This avoids many dependency loops (but of course not all of them). In
the RPM land, we can only use statically linked binaries or Lua in such
cases.
I have extensively used install-time scripting with Lua for packages in
the toolchain space (glibc and tzdata in particular; not all of this is
in Fedora). However, this use is controversial because some RPM
lookalikes do not implement Lua scriptlets.
Furthermore, changes in this area (such as replacing Lua with other
mechanisms such as shell scripts) are difficult to test properly because
differences in RPM or the repository contents could cause dependency
loops be broken at different points.
Thanks,
Florian
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