shell: Fix '--export-manifest' for cached profiles and when '-p' is used.

Fixes <https://issues.guix.gnu.org/55521>.

* guix/scripts/shell.scm (export-manifest): When computing 'manifest',
honor the 'profile key.
* tests/guix-shell-export-manifest.sh: Add test.

1 files changed, 11 insertions, 0 deletions

diff --git a/tests/guix-shell-export-manifest.sh b/tests/guix-shell-export-manifest.sh
index 05429955b9a..6c42c40f3bf 100644
--- a/tests/guix-shell-export-manifest.sh
+++ b/tests/guix-shell-export-manifest.sh
@@ -46,6 +46,17 @@ cat "$manifest.second"
 
 cmp "$manifest" "$manifest.second"
 
+# Manifest for a profile.
+guix shell --bootstrap guile-bootstrap -r "$tmpdir/profile" -- \
+     guile --version
+test -x "$tmpdir/profile/bin/guile"
+guix shell -p "$tmpdir/profile" --export-manifest > "$manifest.second"
+guix shell --export-manifest guile-bootstrap > "$manifest"
+cat "$manifest.second"
+cmp "$manifest" "$manifest.second"
+
+rm "$tmpdir/profile"
+
 # Combining manifests.
 guix shell --export-manifest -m "$manifest" gash gash-utils \
      > "$manifest.second"