From eea310b2418e30280ae5fd9dac54ffe7f3c5dafa Mon Sep 17 00:00:00 2001
From: regnat <rg@regnat.ovh>
Date: Fri, 9 Oct 2020 09:41:55 +0200
Subject: [PATCH] Add a zsh completion script

Based on @clhodapp's suggestion in https://github.com/spwhitt/nix-zsh-completions/issues/32#issuecomment-705315356 and adapted to use the description of the completions
---
 misc/zsh/completion.zsh | 21 +++++++++++++++++++++
 1 file changed, 21 insertions(+)
 create mode 100644 misc/zsh/completion.zsh

diff --git a/misc/zsh/completion.zsh b/misc/zsh/completion.zsh
new file mode 100644
index 000000000..d4df6447e
--- /dev/null
+++ b/misc/zsh/completion.zsh
@@ -0,0 +1,21 @@
+function _nix() {
+  local ifs_bk="$IFS"
+  local input=("${(Q)words[@]}")
+  IFS=$'\n'
+  local res=($(NIX_GET_COMPLETIONS=$((CURRENT - 1)) "$input[@]"))
+  IFS="$ifs_bk"
+  local tpe="${${res[1]}%%>	*}"
+  local -a suggestions
+  declare -a suggestions
+  for suggestion in ${res:1}; do
+    # FIXME: This doesn't work properly if the suggestion word contains a `:`
+    # itself
+    suggestions+="${suggestion/	/:}"
+  done
+  if [[ "$tpe" == filenames ]]; then
+    compadd -f
+  fi
+  _describe 'nix' suggestions
+}
+
+compdef _nix nix