From 1b7244f3c83be9779e2c3da3b619ad5a74c2e9ad Mon Sep 17 00:00:00 2001
From: "Pablo S. Blum de Aguiar" <scorphus@gmail.com>
Date: Mon, 27 Aug 2018 00:51:30 +0200
Subject: [PATCH] Completion for fish

---
 docs/index.rst    | 10 ++++++++++
 kitty/complete.py | 23 +++++++++++++++++++++++
 2 files changed, 33 insertions(+)

diff --git a/docs/index.rst b/docs/index.rst
index 330474a57..e7f8f787e 100644
--- a/docs/index.rst
+++ b/docs/index.rst
@@ -371,6 +371,16 @@ Add the following to your :file:`~/.bashrc`
    source <(kitty + complete setup bash)
 
 
+fish
+~~~~~~~~
+
+Add the following to your :file:`~/.config/fish/config.fish`
+
+.. code-block:: sh
+
+   kitty + complete setup fish | source
+
+
 zsh
 ~~~~~~~~~
 
diff --git a/kitty/complete.py b/kitty/complete.py
index 4700a0590..1e6d8349c 100644
--- a/kitty/complete.py
+++ b/kitty/complete.py
@@ -56,6 +56,14 @@ kitty_completions() {
 }
 
 complete -o nospace -F kitty_completions kitty
+''',
+    'fish': '''
+function __kitty_completions
+    # Send all words up to the one before the cursor
+    commandline -cop | kitty +complete fish
+end
+
+complete -f -c kitty -a "(__kitty_completions)"
 ''',
 }
 
@@ -86,6 +94,11 @@ def bash_input_parser(data):
     return words, new_word
 
 
+@input_parser
+def fish_input_parser(data):
+    return data.rstrip().splitlines(), True
+
+
 @output_serializer
 def zsh_output_serializer(ans):
     lines = []
@@ -117,6 +130,16 @@ def bash_output_serializer(ans):
 # }}}
 
 
+@output_serializer
+def fish_output_serializer(ans):
+    lines = []
+    for matches in ans.match_groups.values():
+        for word in matches:
+            lines.append(shlex.quote(word))
+    # debug('\n'.join(lines))
+    return '\n'.join(lines)
+
+
 def completions_for_first_word(ans, prefix, entry_points, namespaced_entry_points):
     cmds = ['@' + c for c in cmap]
     ans.match_groups['Entry points'] = {