From e811891d69ab74c3defb2b40f2ec29fd2a420b67 Mon Sep 17 00:00:00 2001
From: Kai Chen <kaichen120@gmail.com>
Date: Wed, 8 Jul 2020 11:02:46 -0700
Subject: [PATCH] Support files in autocomplete

---
 src/click/shell_completion.py | 5 +++++
 src/click/types.py            | 3 +++
 2 files changed, 8 insertions(+)

diff --git a/src/click/shell_completion.py b/src/click/shell_completion.py
index 158e253ba..0db803ae3 100644
--- a/src/click/shell_completion.py
+++ b/src/click/shell_completion.py
@@ -26,6 +26,11 @@
         IFS=',' read type value <<< "$completion"
         if [[ $type == 'path' ]]; then
             COMPREPLY=($(compgen -d -S / -- $value ))
+        elif [[ $type == 'file' ]]; then
+            IFS=$'\n'
+            FILES=( $(compgen -W "$(ls -p | grep -v /)" -- $value))
+            IFS=' '
+            COMPREPLY=( "${FILES[@]// /\\ }" )
         elif [[ $type == 'none' ]]; then
             COMPREPLY+=("$value ")
         fi
diff --git a/src/click/types.py b/src/click/types.py
index 10fb46e6b..c51127500 100644
--- a/src/click/types.py
+++ b/src/click/types.py
@@ -504,6 +504,9 @@ def convert(self, value, param, ctx):
                 ctx,
             )
 
+    def shell_complete(self, ctx, all_args, incomplete):
+        return [["file", incomplete, None]]
+
 
 class Path(ParamType):
     """The path type is similar to the :class:`File` type but it performs