From f2836dff3bd1455e54c7fb88f77881cf942b191f Mon Sep 17 00:00:00 2001
From: Adrian Kummerlaender
Date: Wed, 6 Jun 2018 18:00:16 +0200
Subject: Show NIX_SHELL_NAME in fish prompt when applicable

---
 conf/fish.nix | 6 +++++-
 1 file changed, 5 insertions(+), 1 deletion(-)

diff --git a/conf/fish.nix b/conf/fish.nix
index 0ea7348..6a654f5 100644
--- a/conf/fish.nix
+++ b/conf/fish.nix
@@ -45,7 +45,11 @@
         echo -n -s 'λ ' "$__fish_prompt_cwd" (prompt_pwd) "$__fish_prompt_normal"
 
         if test $IN_NIX_SHELL
-          echo -n -s ' (nix-shell)'
+          if test $NIX_SHELL_NAME
+            echo -n -s ' (' $NIX_SHELL_NAME ')'
+          else
+            echo -n -s ' (nix-shell)'
+          end
         end
 
         if test $last_status -gt 0
-- 
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