From b6c5de4fb2b16147e285af54416f9494028b1274 Mon Sep 17 00:00:00 2001
From: Andy Kluger <AndyKluger@gmail.com>
Date: Tue, 19 Nov 2024 18:40:40 -0500
Subject: [PATCH] Add gat highlighting backend (optional)

---
 NEWS.rst        | 1 +
 doc/src/deps.md | 1 +
 zpy.plugin.zsh  | 5 ++++-
 3 files changed, 6 insertions(+), 1 deletion(-)

diff --git a/NEWS.rst b/NEWS.rst
index 10cb3cf..0ad119f 100644
--- a/NEWS.rst
+++ b/NEWS.rst
@@ -10,6 +10,7 @@ Changed
 
 - Use reverse-list layout for fzf/skim instead of reverse
 - pypc: don't add '.' to any dependency list
+- Add optional syntax highlighter backend: gat
 
 0.3.11
 ======
diff --git a/doc/src/deps.md b/doc/src/deps.md
index bcd11ed..99ee163 100644
--- a/doc/src/deps.md
+++ b/doc/src/deps.md
@@ -55,6 +55,7 @@ with optional additions for more colorful output, alternative json parsers, and
     - [uv](https://github.com/astral-sh/uv/)
       -- for faster performance, leaner venvs, and more operational feedback
     - [highlight](https://repology.org/project/highlight/versions)
+      *or* [gat](https://github.com/koki-develop/gat/)
       *or* [bat](https://repology.org/project/bat/versions)
       *or* [rich-cli](https://github.com/Textualize/rich-cli)
       -- for pretty syntax highlighting; rich-cli adds fancy tables
diff --git a/zpy.plugin.zsh b/zpy.plugin.zsh
index 3861567..8ef7a39 100644
--- a/zpy.plugin.zsh
+++ b/zpy.plugin.zsh
@@ -108,13 +108,16 @@ ZPY_PROCS=${${$(nproc 2>/dev/null):-$(sysctl -n hw.logicalcpu 2>/dev/null)}:-4}
         # the first of the next. This is true of at least highlight 3.58.
 
         # The method below bypasses both issues consistently
-        # across all known versions of highlight, and still outperforms bat:
+        # across all known versions of highlight, and still outperforms the rest:
         local content=$(<&0)
         if [[ $content ]] {
             local themes=(aiseered blacknblue bluegreen ekvoli navy)
             HIGHLIGHT_OPTIONS=${HIGHLIGHT_OPTIONS:-"-s $themes[RANDOM % $#themes + 1]"} \
             highlight -O truecolor --stdout --force -S $1 <<<$content
         }
+    } elif (( $+commands[gat] )) {  # recommended themes: base16-snazzy, doom-one, gruvbox, onedark, vulcan
+        GAT_THEME=${GAT_THEME:-doom-one} \
+        gat --force-color -l $1
     } elif (( $+commands[bat] )) {  # recommended themes: ansi, zenburn
         BAT_THEME=${BAT_THEME:-ansi} \
         bat --color always --paging never -p -l $1