From 4eb69b044ffab5197dfbf0f5d40e7cdb3d75e222 Mon Sep 17 00:00:00 2001
From: Philipp Dargel <chisui.pd@gmail.com>
Date: Thu, 31 Mar 2022 19:58:59 +0200
Subject: [PATCH] #30: warn if bash is not installed

---
 nix-shell.plugin.zsh | 9 +++++++++
 1 file changed, 9 insertions(+)

diff --git a/nix-shell.plugin.zsh b/nix-shell.plugin.zsh
index 1c400be..f8a6c4e 100644
--- a/nix-shell.plugin.zsh
+++ b/nix-shell.plugin.zsh
@@ -1,6 +1,15 @@
 
 NIX_SHELL_PLUGIN_DIR=${0:a:h}
 
+which bash > /dev/null 2>&1
+if [ "$?" -ne "0" ]; then
+  echo
+  echo "  WARNING: bash is not installed."
+  echo "  for zsh-nix-shell to work bash has to be in PATH"
+  echo
+fi
+
+
 # extracts packages argument from args and passes them in $NIX_SHELL_PACKAGES variable.
 function nix-shell() {
   local -a ARGS; ARGS=("$@")