From 153367b0ea6fce05022661d8aca15459234e572d Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?Samuel=20Gr=C3=A4fenstein?= <git@samuelgrf.com>
Date: Sat, 11 Jul 2020 17:56:57 +0200
Subject: [PATCH] oh-my-zsh: undefine functions that don't work on Nix

Both functions expect oh-my-zsh to be in ~/.oh-my-zsh and try to
modify the directory. This doesn't work, since it is in the
Nix store.
---
 pkgs/shells/zsh/oh-my-zsh/default.nix | 11 +++++++++++
 1 file changed, 11 insertions(+)

diff --git a/pkgs/shells/zsh/oh-my-zsh/default.nix b/pkgs/shells/zsh/oh-my-zsh/default.nix
index 3539021ae3d1..c979fd7ecca2 100644
--- a/pkgs/shells/zsh/oh-my-zsh/default.nix
+++ b/pkgs/shells/zsh/oh-my-zsh/default.nix
@@ -35,6 +35,17 @@ stdenv.mkDerivation rec {
          -e 's/\# \(DISABLE_AUTO_UPDATE="true"\)/\1/' \
    $template
 
+  chmod +w oh-my-zsh.sh
+
+  # Both functions expect oh-my-zsh to be in ~/.oh-my-zsh and try to
+  # modify the directory.
+  cat >> oh-my-zsh.sh <<- EOF
+
+  # Undefine functions that don't work on Nix.
+  unfunction uninstall_oh_my_zsh
+  unfunction upgrade_oh_my_zsh
+  EOF
+
   # Look for .zsh_variables, .zsh_aliases, and .zsh_funcs, and source
   # them, if found.
   cat >> $template <<- EOF