Merge pull request #7105 from SquidDev/hotfix/fish-return

Use exit instead of return in /etc/profile.d/nix-daemon.fish

scripts/nix-profile-daemon.fish.in

@@ -1,6 +1,6 @@
 # Only execute this file once per shell.
 if test -n "$__ETC_PROFILE_NIX_SOURCED"
-  return
+  exit
 end
 
 set __ETC_PROFILE_NIX_SOURCED 1