From 35ecbb418c03e3957ebab87af921742466fe2de9 Mon Sep 17 00:00:00 2001
From: Andrew Tropin <andrew@trop.in>
Date: Mon, 9 Jan 2023 12:22:56 +0400
Subject: home: environment-variables: Fix escaping.

* gnu/home/services.scm (environment-variable-shell-definitions): Fix
escaping.
* tests/guix-home.sh: Add STRING_WITH_ESCAPES environment variable and test
its value.

Reported-by: elevnkb
---
 gnu/home/services.scm | 2 +-
 tests/guix-home.sh    | 7 +++++--
 2 files changed, 6 insertions(+), 3 deletions(-)

diff --git a/gnu/home/services.scm b/gnu/home/services.scm
index c442da374c..b17a34d19d 100644
--- a/gnu/home/services.scm
+++ b/gnu/home/services.scm
@@ -192,7 +192,7 @@ (define (environment-variable-shell-definitions variables)
               (list->string (string-fold-right
                              (lambda (chr lst)
                                (if (memq chr quoted-chars)
-                                   (append (list chr #\\) lst)
+                                   (append (list #\\ chr) lst)
                                    (cons chr lst)))
                              '()
                              value))))
diff --git a/tests/guix-home.sh b/tests/guix-home.sh
index 83ca6e72c8..3151f66683 100644
--- a/tests/guix-home.sh
+++ b/tests/guix-home.sh
@@ -84,8 +84,9 @@ trap 'chmod -Rf +w "$test_directory"; rm -rf "$test_directory"' EXIT
                    home-environment-variables-service-type
                    `(("TODAY" . "26 messidor")
                      ("SHELL" . ,(file-append bash "/bin/bash"))
-                     ("BUILDHOSTTIME" . ,#~(strftime "%c"
-                                            (localtime (current-time))))
+                     ("BUILDHOST_TIME" . ,#~(strftime "%c"
+                                             (localtime (current-time))))
+                     ("STRING_WITH_ESCAPES" . "chars: \" /\\")
                      ("LITERAL" . ,(literal-string "${abc}"))))
 
    (simple-service 'home-bash-service-extension-test
@@ -156,6 +157,8 @@ EOF
 
     ( . "${HOME}/.guix-home/setup-environment"; test "$TODAY" = "26 messidor" )
     ( . "${HOME}/.guix-home/setup-environment"; test "$LITERAL" = '${abc}' )
+    ( . "${HOME}/.guix-home/setup-environment";
+      test "$STRING_WITH_ESCAPES" = "chars: \" /\\")
     ( . "${HOME}/.guix-home/setup-environment";
       echo "$SHELL" | grep "/gnu/store/.*/bin/bash" )
 
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