bug#25304: Libtool’s ltmain.sh still contains a /gnu/store shebang

["Miguel Ángel Arruga Vivas" <rosen644835@gmail.com>]

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Hi,

I was looking through the lists because I have a patch that does exactly
what you describe here.  I guess this goes to core updates, so this
version is on top of it.  WDYT?

Happy hacking!
Miguel

ludo@gnu.org (Ludovic Courtès) writes:
> Hi,
>
> Commit 98341757c8c45fca8d2b53f9972f5c6a32cf2c95, which was meant to fix
> this bug¹, actually failed to do so:
>
> $ head -1 $(./pre-inst-env guix build libtool)/share/libtool/build-aux/ltmain.sh
> #!/gnu/store/k7029k5va68lkapbzcycdzj7m5bjb4b8-bash-4.4.12/bin/sh
> $ git describe
> v0.12.0-3136-g7312c62d3
>
> I think the problem is that we’re patching ltmain.in when we should
> really be patching the final file, after the ‘patch-shebangs’ phase.
>
> Ludo’.
>
> ¹ <http://bugs.gnu.org/25304>


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From 145273418d3131bcf3b73d416d19f641645cf3f8 Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?Miguel=20=C3=81ngel=20Arruga=20Vivas?=
 <rosen644835@gmail.com>
Date: Fri, 13 Nov 2020 15:24:46 +0100
Subject: [PATCH] gnu: libtool: Restore shebangs on all libtoolize files.

* gnu/packages/autotools.scm (libtool)[restore-build-aux-shebang]: New
phase after install.
[restore-ltmain-shebang]: Remove phase, it is now performed by the phase
restore-build-aux-shebang.
---
 gnu/packages/autotools.scm | 18 +++++++++++++-----
 1 file changed, 13 insertions(+), 5 deletions(-)

diff --git a/gnu/packages/autotools.scm b/gnu/packages/autotools.scm
index 96f2925180..c9e1c9bcf1 100644
--- a/gnu/packages/autotools.scm
+++ b/gnu/packages/autotools.scm
@@ -444,11 +444,19 @@ Makefile, simplifying the entire process for the developer.")
                (("/bin/sh")
                 (string-append bash "/bin/sh")))
              #t)))
-         (add-after 'patch-source-shebangs 'restore-ltmain-shebang
-           (lambda* (#:key inputs #:allow-other-keys)
-             (substitute* "build-aux/ltmain.in"
-               (("^#!.*/bin/sh$") "#!/bin/sh"))
-             #t)))))
+         ;; These files may be copied into source trees by libtoolize,
+         ;; therefore they must not point to store file names that would be
+         ;; leaked with tarballs generated by make dist.
+         (add-after 'install 'restore-build-aux-shebang
+           (lambda* (#:key outputs #:allow-other-keys)
+             (let* ((out (assoc-ref outputs "out"))
+                    (dir (string-append out "/share/libtool/build-aux")))
+               (for-each (lambda (file)
+                           (format #t "restoring shebang on `~a'~%" file)
+                           (substitute* file
+                             (("^#!.*/bin/sh") "#!/bin/sh")))
+                         (find-files dir ".*"))
+               #t))))))
 
     (synopsis "Generic shared library support tools")
     (description
-- 
2.29.2


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