fish: Add git_py_files

Signed-off-by: Nathan Chancellor <[email protected]>

fish/functions/git_py_files.fish

@@ -0,0 +1,14 @@
+#!/usr/bin/env fish
+# SPDX-License-Identifier: MIT
+# Copyright (C) 2024 Nathan Chancellor
+
+function git_py_files -d "Get Python files checked into current repository for linting"
+    # Get list of files, specifically excluding this one, as it is a false
+    # positive due to the command used :) We pass through realpath and uniq
+    # to handle files that may be symlinked multiple times like korg_tc,
+    # which can make linting annoying otherwise
+    set files (git ls-files | grep -Fv (status function).fish | xargs realpath | uniq | string replace "$PWD/" '')
+
+    # Sort after ripgrep because sorting within ripgrep reduces parallelism
+    rg -l '#!/usr/bin/env python' $files | sort
+end