On Thu, Jun 09, 2011 at 12:14:45PM +0200, 80 wrote: > Hi, > > I'm reviewing osc and osc-source_validators (osc is Opensuse Build > Service CLI, the latter a plugin to the former). > An issue arose about helpers script location: > 1) Fedora packaging guidelines suggests helpers *should go* > /usr/libexec for helpers ==> requires patching since osc search > helpers in /usr/lib > since it's not in FHS, it's almost certain that a patch won't be upstream-able > This would be the most proper location on Fedora. Note that many upstreams do take patches of this sort as long as the libexecdir is settable. libexecdir is a GNU Coding Standard directory; on Debian or other systems that disallow /usr/libexecdir, libexecdir gets set to /usr/lib. http://www.gnu.org/prep/standards/html_node/Directory-Variables.html > 2) FHS explicitely allows shell scripts in /usr/lib I don't actually see this. Could you point me to the quote and section? Additionally, the GNU Coding standards explicitly prohibit this (to be clear the GNU coding standards are not definitive for Fedora like the FHS is at this time; I'm including the quotation to show what current best practices are in this regard): """ âlibdirâ The directory for object files and libraries of object code. Do not install executables here, they probably ought to go in â$(libexecdir)â instead. """ At similar weight is the fact that some programs currently violate the GNU Coding Standard recommendation here. However, I can't think of one of those off the top of my head that is a unix-y program so those may be more workaround than paradigm setters. > 3) FHS doesn't forbid putting them in /usr/share as helpers could be > considered as "arch independent data" > <nod> > There are recent packages that choose options 2 && 3 (namely, systemd > and dracut). > According to me, guidelines doesn't enforce any of these options, and > choice is left to packager/reviewer appreciation, though you may > distinguish an order of precedence. > > So, what's the take of my fellow packagers on that particular matter ? > Preference-wise, I would say $LIBEXECDIR; settable at build time to /usr/libexec on Fedora-style distros and /usr/lib on Debian-style distros is the best method here. Since we're talking scripts (architecture independent), /usr/share may also make sense but I'm not a big fan of it. If you can find me the piece of FHS that explicitly allows shell scripts in /usr/lib I can figure out how that compares to using /usr/lib. -Toshio
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