From 2af32bbcfe1ac7dcecf40dfb7d7f8ca747308755 Mon Sep 17 00:00:00 2001
From: Daiderd Jordan <daiderd@gmail.com>
Date: Mon, 12 Dec 2016 23:01:07 +0100
Subject: add shell options for zsh

---
 modules/programs/zsh.nix | 84 +++++++++++++++++++++++++++++++++++++++++++++++-
 1 file changed, 83 insertions(+), 1 deletion(-)

(limited to 'modules/programs')

diff --git a/modules/programs/zsh.nix b/modules/programs/zsh.nix
index ff39d4b..608f5d6 100644
--- a/modules/programs/zsh.nix
+++ b/modules/programs/zsh.nix
@@ -6,6 +6,15 @@ let
 
   cfg = config.programs.zsh;
 
+  zsh = pkgs.runCommand pkgs.zsh.name
+    { buildInputs = [ pkgs.makeWrapper ]; }
+    ''
+      source $stdenv/setup
+
+      mkdir -p $out/bin
+      makeWrapper ${pkgs.zsh}/bin/zsh $out/bin/zsh
+    '';
+
 in
 
 {
@@ -21,17 +30,90 @@ in
 
     programs.zsh.shell = mkOption {
       type = types.path;
-      default = "${pkgs.zsh}/bin/zsh";
+      default = "${zsh}/bin/zsh";
       description = ''
         Zsh shell to use.
       '';
     };
 
+    programs.zsh.shellInit = mkOption {
+      default = "";
+      description = ''
+        Shell script code called during zsh shell initialisation.
+      '';
+      type = types.lines;
+    };
+
+    programs.zsh.loginShellInit = mkOption {
+      default = "";
+      description = ''
+        Shell script code called during zsh login shell initialisation.
+      '';
+      type = types.lines;
+    };
+
+    programs.zsh.interactiveShellInit = mkOption {
+      default = "";
+      description = ''
+        Shell script code called during interactive zsh shell initialisation.
+      '';
+      type = types.lines;
+    };
+
   };
 
   config = mkIf cfg.enable {
 
     environment.variables.SHELL = "${cfg.shell}";
 
+    environment.etc."zshenv".text = ''
+      # /etc/zshenv: DO NOT EDIT -- this file has been generated automatically.
+      # This file is read for all shells.
+
+      # Only execute this file once per shell.
+      # But don't clobber the environment of interactive non-login children!
+      if [ -n "$__ETC_ZSHENV_SOURCED" ]; then return; fi
+      export __ETC_ZSHENV_SOURCED=1
+
+      ${cfg.shellInit}
+
+      # Read system-wide modifications.
+      if test -f /etc/zshenv.local; then
+        . /etc/zshenv.local
+      fi
+    '';
+
+    environment.etc."zprofile".text = ''
+      # /etc/zprofile: DO NOT EDIT -- this file has been generated automatically.
+      # This file is read for login shells.
+
+      # Only execute this file once per shell.
+      if [ -n "$__ETC_ZPROFILE_SOURCED" ]; then return; fi
+      __ETC_ZPROFILE_SOURCED=1
+
+      ${cfg.loginShellInit}
+
+      # Read system-wide modifications.
+      if test -f /etc/zprofile.local; then
+        . /etc/zprofile.local
+      fi
+    '';
+
+    environment.etc."zshrc".text = ''
+      # /etc/zshrc: DO NOT EDIT -- this file has been generated automatically.
+      # This file is read for interactive shells.
+
+      # Only execute this file once per shell.
+      if [ -n "$__ETC_ZSHRC_SOURCED" -o -n "$NOSYSZSHRC" ]; then return; fi
+      __ETC_ZSHRC_SOURCED=1
+
+      ${cfg.interactiveShellInit}
+
+      # Read system-wide modifications.
+      if test -f /etc/zshrc.local; then
+        . /etc/zshrc.local
+      fi
+    '';
+
   };
 }
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