From b500e7182d3278cbbe3ba3cb5c83ba985554aff7 Mon Sep 17 00:00:00 2001
From: David Thompson <dthompson2@worcester.edu>
Date: Sat, 29 Aug 2015 21:55:12 -0400
Subject: [PATCH] build: ruby: Avoid long build directory names.
Having the hash of the source gem in the source directory file name proved to
be problematic when running the test suite for the 'pg' gem that creates
UNIX-domain sockets in the source directory and exceeded the 108 character
limit on GNU/Linux systems.
* guix/build/ruby-build-system.scm (unpack): Rename unpacked gem directory to
"gem".
---
guix/build/ruby-build-system.scm | 16 ++++++++++------
1 file changed, 10 insertions(+), 6 deletions(-)
diff --git a/guix/build/ruby-build-system.scm b/guix/build/ruby-build-system.scm
index 90fab92f6ac..4184ccc9ac9 100644
--- a/guix/build/ruby-build-system.scm
+++ b/guix/build/ruby-build-system.scm
@@ -44,12 +44,16 @@ (define (first-matching-file pattern)
(define* (unpack #:key source #:allow-other-keys)
"Unpack the gem SOURCE and enter the resulting directory."
(and (zero? (system* "gem" "unpack" source))
- (begin
- ;; The unpacked gem directory is named the same as the archive, sans
- ;; the ".gem" extension.
- (chdir (match:substring (string-match "^(.*)\\.gem$"
- (basename source))
- 1))
+ ;; The unpacked gem directory is named the same as the archive, sans
+ ;; the ".gem" extension. It is renamed to simply "gem" in an effort to
+ ;; keep file names shorter to avoid UNIX-domain socket file names and
+ ;; shebangs that exceed the system's fixed maximum length when running
+ ;; test suites.
+ (let ((dir (match:substring (string-match "^(.*)\\.gem$"
+ (basename source))
+ 1)))
+ (rename-file dir "gem")
+ (chdir "gem")
#t)))
(define* (build #:key source #:allow-other-keys)
--
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