From 98173af5222ab5e879e44ba9521dec5416ba8c60 Mon Sep 17 00:00:00 2001
From: Ludovic Courtès <ludo@gnu.org>
Date: Sat, 30 Oct 2021 16:35:06 +0200
Subject: shell: Error out when an unauthorized guix.scm/manifest.scm is found.

The previous behavior was confusing: a warning would be printed and
'guix shell' would go on starting an empty environment.

Reported by Tobias Geerinckx-Rice <me@tobias.gr>.

* guix/scripts/shell.scm (auto-detect-manifest): Change "not loading"
case from warning to error.
* tests/guix-shell.sh: Adjust accordingly.
---
 guix/scripts/shell.scm | 7 ++++---
 tests/guix-shell.sh    | 4 +++-
 2 files changed, 7 insertions(+), 4 deletions(-)

diff --git a/guix/scripts/shell.scm b/guix/scripts/shell.scm
index c7eba429d5..5749485a44 100644
--- a/guix/scripts/shell.scm
+++ b/guix/scripts/shell.scm
@@ -283,8 +283,9 @@ Return the modified OPTS."
                  ("guix.scm" (alist-cons 'load `(package ,file) opts))
                  ("manifest.scm" (alist-cons 'manifest file opts))))
              (begin
-               (warning (G_ "not loading '~a' because not authorized to do so~%")
-                        file)
+               (report-error
+                (G_ "not loading '~a' because not authorized to do so~%")
+                file)
                (display-hint (format #f (G_ "To allow automatic loading of
 @file{~a} when running @command{guix shell}, you must explicitly authorize its
 directory, like so:
@@ -295,7 +296,7 @@ echo ~a >> ~a
                                      file
                                      (dirname file)
                                      (authorized-directory-file)))
-               opts))))))
+               (exit 1)))))))
 
 
 ;;;
diff --git a/tests/guix-shell.sh b/tests/guix-shell.sh
index 95725cba2d..3bdf625189 100644
--- a/tests/guix-shell.sh
+++ b/tests/guix-shell.sh
@@ -39,7 +39,9 @@ guix shell --bootstrap --pure guile-bootstrap -- guile --version
 cat > "$tmpdir/guix.scm" <<EOF
 This is a broken guix.scm file.
 EOF
-(cd "$tmpdir"; SHELL="$(type -P true)" guix shell --bootstrap)
+! (cd "$tmpdir"; SHELL="$(type -P true)" guix shell --bootstrap 2> "stderr")
+grep "not authorized" "$tmpdir/stderr"
+rm "$tmpdir/stderr"
 
 # Authorize the directory.
 echo "$(realpath "$tmpdir")" > "$configdir/guix/shell-authorized-directories"
-- 
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