GNU bug report logs - #53643
[PATCH] Gnu: Elixir: Use previous method for detecting sh

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From: John Hamelink <me <at> johnhame.link>
To: 53643 <at> debbugs.gnu.org
Subject: [bug#53643] [PATCH] Gnu: Elixir: Use previous method for detecting sh
Date: Sun, 30 Jan 2022 21:15:17 +0000

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gnu/packages/elixir.scm (elixir)[arguments]: Keep G-expressions, but use
========================================================================

WHICH instead of SEARCH-INPUT-FILES.

Signed-off-by: John Hamelink <me <at> johnhame.link>
---
 gnu/packages/elixir.scm | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

Hi there,

While following a tutorial, I found myself struggling to build
elixir. After discussing on #guix, and looking on the build server for
clues, it seems that the SEARCH-INPUT-FILE change in 3da297997d ("gnu:
elixir: Use G-expressions.")  was the culprit. Within the
G-expression, I reverted to the use of WHICH for the "sh" binary,
while leaving the others as they are.

I do not understand the differences between these two functions or why
SEARCH-INPUT-FILE is preferential, so there may be additional caveats I'm not
aware of that SEARCH-INPUT-FILE addresses.

Thanks
John

diff --git a/gnu/packages/elixir.scm b/gnu/packages/elixir.scm
index 3fb74a56a5..5df50902ce 100644
--- a/gnu/packages/elixir.scm
+++ b/gnu/packages/elixir.scm
@@ -68,7 +68,7 @@ (define-public elixir
               (substitute* '("lib/mix/lib/mix/release.ex"
                              "lib/mix/lib/mix/tasks/release.init.ex")
                 (("#!/bin/sh")
- (string-append "#!" (search-input-file inputs "sh"))))
+ (string-append "#!" (which "sh"))))
  (substitute* "bin/elixir"
    (("^ERTS_BIN=$")
     (string-append
-- 
2.35.1

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