bug#45017: asdf-build-system packages have priority over user ones

[Guillaume Le Vaillant <glv@posteo.net>]

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Pierre Neidhardt <mail@ambrevar.xyz> skribis:

> Alternately, we could simply move the patch from
> user-source-registry-directory to system-source-registry-directory; same
> for the output translation.

What do you think of the attached patch? Does it work for you?

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From cb8d52ec606bb8984622f6b117346b4772bf0d16 Mon Sep 17 00:00:00 2001
From: Guillaume Le Vaillant <glv@posteo.net>
Date: Thu, 3 Dec 2020 14:52:02 +0100
Subject: [PATCH] gnu: cl-asdf: Improve priorities of configuration file
 search.

* gnu/packages/patches/cl-asdf-config-directories.patch: New file.
* gnu/local.mk (dist_PATCH_DATA): Add it.
* gnu/packages/lisp.scm (cl-asdf)[native-inputs]: Add it.
  [arguments]: Apply the new patch.
---
 gnu/local.mk                                  |  1 +
 gnu/packages/lisp.scm                         | 28 +++++----------
 .../patches/cl-asdf-config-directories.patch  | 36 +++++++++++++++++++
 3 files changed, 45 insertions(+), 20 deletions(-)
 create mode 100644 gnu/packages/patches/cl-asdf-config-directories.patch

diff --git a/gnu/local.mk b/gnu/local.mk
index 28ad119846..f838ebe1fa 100644
--- a/gnu/local.mk
+++ b/gnu/local.mk
@@ -868,6 +868,7 @@ dist_patch_DATA =						\
   %D%/packages/patches/cdrtools-3.01-mkisofs-isoinfo.patch 	\
   %D%/packages/patches/ceph-disable-cpu-optimizations.patch	\
   %D%/packages/patches/chmlib-inttypes.patch			\
+  %D%/packages/patches/cl-asdf-config-directories.patch		\
   %D%/packages/patches/clamav-config-llvm-libs.patch		\
   %D%/packages/patches/clamav-system-tomsfastmath.patch		\
   %D%/packages/patches/clang-3.5-libc-search-path.patch		\
diff --git a/gnu/packages/lisp.scm b/gnu/packages/lisp.scm
index e4c963070e..0038cb0dca 100644
--- a/gnu/packages/lisp.scm
+++ b/gnu/packages/lisp.scm
@@ -90,6 +90,9 @@
        (sha256
         (base32 "1hpx30f6yrak15nw992k7x3pn75ahvjs04n4f134k68mhgs62km2"))))
     (build-system trivial-build-system)
+    (native-inputs
+     `(("config-patch" ,@(search-patches "cl-asdf-config-directories.patch"))
+       ("patch" ,patch)))
     (arguments
      `(#:modules ((guix build utils)
                   (guix build lisp-utils))
@@ -101,28 +104,13 @@
                 (asdf-install (string-append out %source-install-prefix
                                              "/source/asdf/"))
                 (src-asdf (string-append (assoc-ref %build-inputs "source")))
-                (dst-asdf (string-append asdf-install "asdf.lisp")))
+                (dst-asdf (string-append asdf-install "asdf.lisp"))
+                (patch (string-append (assoc-ref %build-inputs "patch")
+                                      "/bin/patch"))
+                (config-patch (assoc-ref %build-inputs "config-patch")))
            (mkdir-p asdf-install)
            (copy-file src-asdf dst-asdf)
-           ;; Patch ASDF to make it read the configuration files in all
-           ;; the direcories listed in '$XDG_CONFIG_DIRS' instead of just
-           ;; the first.
-           (substitute* dst-asdf
-             (("\\(xdg-config-pathname \\*source-registry-directory\\* direction\\)")
-              "`(:source-registry
-                 ,@(loop
-                      for dir in (xdg-config-dirs
-                                  \"common-lisp/source-registry.conf.d/\")
-                      collect `(:include ,dir))
-                 :inherit-configuration)")
-             (("\\(xdg-config-pathname \\*output-translations-directory\\* direction\\)")
-              "`(:output-translations
-                 ,@(loop
-                      for dir in (xdg-config-dirs
-                                  \"common-lisp/asdf-output-translations.conf.d/\")
-                      collect `(:include ,dir))
-                 :inherit-configuration)")))
-         #t)))
+           (invoke patch "-p1" "-i" config-patch dst-asdf)))))
     (home-page "https://common-lisp.net/project/asdf/")
     (synopsis "Another System Definition Facility")
     (description
diff --git a/gnu/packages/patches/cl-asdf-config-directories.patch b/gnu/packages/patches/cl-asdf-config-directories.patch
new file mode 100644
index 0000000000..04ec67c9a0
--- /dev/null
+++ b/gnu/packages/patches/cl-asdf-config-directories.patch
@@ -0,0 +1,36 @@
+Search for ASDF configuration files first in user directories, and then in
+Guix profiles.
+
+diff -ru a/asdf-3.3.4.lisp b/asdf-3.3.4.lisp
+--- a/asdf-3.3.4.lisp	2020-02-14 20:16:22.000000000 +0100
++++ b/asdf-3.3.4.lisp	2020-12-03 13:57:54.843428936 +0100
+@@ -12537,8 +12537,12 @@
+   (defun user-output-translations-directory-pathname (&key (direction :input))
+     (xdg-config-pathname *output-translations-directory* direction))
+   (defun system-output-translations-directory-pathname (&key (direction :input))
+-    (find-preferred-file (system-config-pathnames *output-translations-directory*)
+-                         :direction direction))
++    `(:output-translations
++      ,@(loop :for dir :in (filter-pathname-set
++                            (xdg-config-dirs
++                             "common-lisp/asdf-output-translations.conf.d/"))
++              :collect `(:include ,dir))
++      :inherit-configuration))
+   (defun environment-output-translations ()
+     (getenv "ASDF_OUTPUT_TRANSLATIONS"))
+ 
+@@ -12923,8 +12927,12 @@
+   (defun user-source-registry-directory (&key (direction :input))
+     (xdg-config-pathname *source-registry-directory* direction))
+   (defun system-source-registry-directory (&key (direction :input))
+-    (find-preferred-file (system-config-pathnames *source-registry-directory*)
+-                         :direction direction))
++    `(:source-registry
++      ,@(loop :for dir :in (filter-pathname-set
++                            (xdg-config-dirs
++                             "common-lisp/source-registry.conf.d/"))
++              :collect `(:include ,dir))
++      :inherit-configuration))
+   (defun environment-source-registry ()
+     (getenv "CL_SOURCE_REGISTRY"))
+ 
-- 
2.29.2


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