David Thompson <dthomps...@worcester.edu> skribis: > This patch addresses the issue of how to ensure that Ruby executables > are able to load all of the additional Ruby libraries that they need in > order to work: with a new 'patch-executables' build phase. Instead of > using wrap-program, I instead take advantage of the wrappers that the > 'gem' command already creates for Ruby executables. There's guaranteed > to be a line in which the executable's host gem is loaded that looks > like `gem 'foo', version`. I simply insert a Ruby code snippet above it > that adds all of the necessary gems to the 'Gem.path' array.
OK. > Users of Ruby programs must still apply the $GEM_PATH suggested by 'guix > package --search-paths' in order for the gem that the executable belongs > to (the gem that they explicitly installed) to be found. I think this > is reasonable and much like how you must set the proper load paths for > Guile programs to work. Makes sense. > From 614fedc2b359f123dfdf4e31eee30e7ce47e1bd2 Mon Sep 17 00:00:00 2001 > From: David Thompson <dthomps...@worcester.edu> > Date: Sat, 7 Mar 2015 18:39:52 -0500 > Subject: [PATCH] build: ruby: Patch executables to set necessary gem load > path. > > * guix/build/ruby-build-system.scm (gem-directory): New procedure. > (install): Deduplicate gem directory code. > (patch-executables): New procedure. > (%standard-phases): Add 'patch-executables' phase. [...] > +(define* (patch-executables #:key inputs outputs #:allow-other-keys) Please add a docstring, with the rationale you gave in this message as part of the docstring or in a comment. OK to push with this change, thank you! Ludo’.