From 2b3f48d9ee2b5fefe3d4eac7ab3acebe96d4e4cd Mon Sep 17 00:00:00 2001
From: Fabian Homborg <FHomborg@gmail.com>
Date: Fri, 3 May 2019 19:15:25 +0200
Subject: [PATCH] build_tools/style.fish: Use black as python formatter

(Also renames the silly "$f_files" to "$fish_files")
---
 build_tools/style.fish | 27 ++++++++++++++++++++++-----
 1 file changed, 22 insertions(+), 5 deletions(-)

diff --git a/build_tools/style.fish b/build_tools/style.fish
index 71b113d6c..b3ae670ea 100755
--- a/build_tools/style.fish
+++ b/build_tools/style.fish
@@ -5,7 +5,8 @@
 #
 set git_clang_format no
 set c_files
-set f_files
+set fish_files
+set python_files
 set all no
 
 if test "$argv[1]" = "--all"
@@ -30,7 +31,8 @@ if test $all = yes
     # For now we don't restyle all fish scripts other than completion scripts. That's because people
     # really like to vertically align the elements of the `complete` command and fish_indent
     # currently does not honor that whitespace.
-    set f_files (printf '%s\n' share/***.fish | grep -v /completions/)
+    set fish_files (printf '%s\n' share/***.fish | grep -v /completions/)
+    set python_files **.py
 else
     # We haven't been asked to reformat all the source. If there are uncommitted changes reformat
     # those using `git clang-format`. Else reformat the files in the most recent commit.
@@ -49,7 +51,8 @@ else
         test -f $file; and set c_files $c_files $file
     end
     # Extract just the fish files.
-    set f_files (string match -r '^.*\.fish$' -- $files)
+    set fish_files (string match -r '^.*\.fish$' -- $files)
+    set python_files (string match -r '^.*\.py$' -- $files)
 end
 
 # Run the C++ reformatter if we have any C++ files.
@@ -90,7 +93,7 @@ if set -q c_files[1]
 end
 
 # Run the fish reformatter if we have any fish files.
-if set -q f_files[1]
+if set -q fish_files[1]
     if not type -q fish_indent
         make fish_indent
         set PATH . $PATH
@@ -99,7 +102,7 @@ if set -q f_files[1]
     echo ========================================
     echo Running fish_indent
     echo ========================================
-    for file in $f_files
+    for file in $fish_files
         cp $file $file.new # preserves mode bits
         fish_indent <$file >$file.new
         if cmp --quiet $file $file.new
@@ -110,3 +113,17 @@ if set -q f_files[1]
         end
     end
 end
+
+if set -q python_files[1]
+    if not type -q black
+        echo
+        echo Please install "`black`" to style python
+        echo
+    else
+        echo
+        echo ========================================
+        echo Running black
+        echo ========================================
+        black $python_files
+    end
+end