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| author | Ben Woodcroft <donttrustben@gmail.com> | 2016-08-10 12:23:59 +1000 |
|---|---|---|
| committer | Ben Woodcroft <donttrustben@gmail.com> | 2016-08-30 10:31:48 +1000 |
| commit | edf0a458469574280557420509a0ff2d886bcdf3 (patch) | |
| tree | ae42755e5cbcd879c729206c973e0ce567a90bb0 | |
| parent | ed5940b6172bbdf5b4787183b19623219f6c7347 (diff) | |
| download | patches-edf0a458469574280557420509a0ff2d886bcdf3.tar patches-edf0a458469574280557420509a0ff2d886bcdf3.tar.gz | |
guix: ruby-build-system: Build compiled gems reproducibly.
* guix/build/ruby-build-system.scm (log-file-deletion): New procedure.
(install): Remove files containing non-reproducible elements. Print when each
file is deleted.
| -rw-r--r-- | guix/build/ruby-build-system.scm | 38 |
1 files changed, 32 insertions, 6 deletions
diff --git a/guix/build/ruby-build-system.scm b/guix/build/ruby-build-system.scm index 79ac380cb8..95793f77b8 100644 --- a/guix/build/ruby-build-system.scm +++ b/guix/build/ruby-build-system.scm @@ -120,18 +120,44 @@ GEM-FLAGS are passed to the 'gem' invokation, if present." 1)) (out (assoc-ref outputs "out")) (gem-home (string-append out "/lib/ruby/gems/" ruby-version ".0")) - (gem-name (first-matching-file "\\.gem$"))) + (gem-file (first-matching-file "\\.gem$")) + (gem-file-basename (basename gem-file)) + (gem-name (substring gem-file-basename + 0 + (- (string-length gem-file-basename) 4))) + (gem-directory (string-append gem-home "/gems/" gem-name))) (setenv "GEM_HOME" gem-home) (mkdir-p gem-home) - (and (apply system* "gem" "install" gem-name + (and (apply system* "gem" "install" gem-file "--local" "--ignore-dependencies" ;; Executables should go into /bin, not /lib/ruby/gems. "--bindir" (string-append out "/bin") 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)))) + (begin + ;; Remove the cached gem file as this is unnecessary and contains + ;; timestamped files rendering builds not reproducible. + (let ((cached-gem (string-append gem-home "/cache/" gem-file))) + (log-file-deletion cached-gem) + (delete-file cached-gem)) + ;; For gems with native extensions, several Makefile-related files + ;; are created that contain timestamps or other elements making + ;; them not reproducible. They are unnecessary so we remove them. + (if (file-exists? (string-append gem-directory "/ext")) + (begin + (for-each (lambda (file) + (log-file-deletion file) + (delete-file file)) + (append + (find-files (string-append gem-home "/doc") + "page-Makefile.ri") + (find-files (string-append gem-home "/extensions") + "gem_make.out") + (find-files (string-append gem-directory "/ext") + "Makefile"))))) + #t)))) + +(define (log-file-deletion file) + (display (string-append "deleting '" file "' for reproducibility\n"))) (define %standard-phases (modify-phases gnu:%standard-phases |