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build: ruby: Remove cached gem after install. 

The .gem file stored in GEM_HOME after install is both redundant and an
archive that stores timestamped files which makes builds
non-deterministic, so delete it after 'gem install'.

* guix/build/ruby-build-system.scm (install): Remove cached gem after
  install.
This commit is contained in:
Ben Woodcroft 2015-12-30 10:27:33 +10:00 committed by Ricardo Wurmus
parent a243e12aba
commit 7266848ace
1 changed files with 12 additions and 7 deletions
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19
guix/build/ruby-build-system.scm
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@ -1,6 +1,7 @@
;;; GNU Guix --- Functional package management for GNU ;;; GNU Guix --- Functional package management for GNU
;;; Copyright © 2015 David Thompson <davet@gnu.org> ;;; Copyright © 2015 David Thompson <davet@gnu.org>
;;; Copyright © 2015 Pjotr Prins <pjotr.public01@thebird.nl> ;;; Copyright © 2015 Pjotr Prins <pjotr.public01@thebird.nl>
;;; Copyright © 2015 Ben Woodcroft <donttrustben@gmail.com>
;;; ;;;
;;; This file is part of GNU Guix. ;;; This file is part of GNU Guix.
;;; ;;;
@ -115,15 +116,19 @@ GEM-FLAGS are passed to the 'gem' invokation, if present."
(assoc-ref inputs "ruby")) (assoc-ref inputs "ruby"))
1)) 1))
(out (assoc-ref outputs "out")) (out (assoc-ref outputs "out"))
(gem-home (string-append out "/lib/ruby/gems/" ruby-version ".0"))) (gem-home (string-append out "/lib/ruby/gems/" ruby-version ".0"))
(gem-name (first-matching-file "\\.gem$")))
(setenv "GEM_HOME" gem-home) (setenv "GEM_HOME" gem-home)
(mkdir-p gem-home) (mkdir-p gem-home)
(zero? (apply system* "gem" "install" (first-matching-file "\\.gem$") (and (apply system* "gem" "install" gem-name
"--local" "--ignore-dependencies" "--local" "--ignore-dependencies"
;; Executables should go into /bin, not /lib/ruby/gems. ;; Executables should go into /bin, not /lib/ruby/gems.
"--bindir" (string-append out "/bin") "--bindir" (string-append out "/bin")
gem-flags)))) gem-flags)
;; Remove the cached gem file as this is unnecessary and contains
;; timestamped files rendering builds not reproducible.
(begin (delete-file (string-append gem-home "/cache/" gem-name))
#t))))
(define %standard-phases (define %standard-phases
(modify-phases gnu:%standard-phases (modify-phases gnu:%standard-phases