GNU bug report logs - #54394
[PATCH core-updates 00/12] Remove old GNU utilities from early bootstrap

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From: Timothy Sample <samplet <at> ngyro.com>
To: 54394 <at> debbugs.gnu.org
Cc: Timothy Sample <samplet <at> ngyro.com>
Subject: [bug#54394] [PATCH core-updates 07/12] gnu: gash-utils-boot: Create 'echo' wrapper.
Date: Mon, 14 Mar 2022 16:57:06 -0600

* gnu/packages/commencement.scm (gash-utils-boot)[arguments]: Add a
phase that generates an external wrapper for Gash's 'echo' built-in.
---
 gnu/packages/commencement.scm | 14 +++++++++++++-
 1 file changed, 13 insertions(+), 1 deletion(-)

diff --git a/gnu/packages/commencement.scm b/gnu/packages/commencement.scm
index e63c0b3437..df91f57b59 100644
--- a/gnu/packages/commencement.scm
+++ b/gnu/packages/commencement.scm
@@ -242,7 +242,19 @@ (define gash-utils-boot
                  (copy-file (string-append gash-godir "/gash/compat.go")
                             (string-append godir "/gash/compat.go"))
                  (copy-recursively (string-append gash-godir "/gash/compat")
-                                   (string-append godir "/gash/compat")))))))))
+                                   (string-append godir "/gash/compat")))))
+           ;; We need an external echo.
+           (add-after 'install 'make-echo
+             (lambda* (#:key inputs outputs #:allow-other-keys)
+               (let* ((out (assoc-ref outputs "out"))
+                      (gash (assoc-ref inputs "gash")))
+                 (with-output-to-file (string-append out "/bin/echo")
+                   (lambda ()
+                     (display (string-append "#!" gash "/bin/gash\n"))
+                     (newline)
+                     (display "echo \"$@\"")
+                     (newline)))
+                 (chmod (string-append out "/bin/echo") #o755))))))))
     (inputs `(("gash" ,gash-boot)
               ("guile" ,%bootstrap-guile)))
     (native-inputs `(("bootar" ,bootar)))))
-- 
2.34.0

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