From f5c48038b5c59c1ee60b7c90f73bda1fab70d9cb Mon Sep 17 00:00:00 2001
From: Johannes Altmanninger <aclopte@gmail.com>
Date: Wed, 8 Apr 2026 14:00:56 +0800
Subject: [PATCH] Skip tmux-abbr's "pipe builtin into less" test on BusyBox
 less

Fails on Alpine CI.
---
 tests/checks/tmux-abbr.fish | 15 ++++++++++-----
 1 file changed, 10 insertions(+), 5 deletions(-)

diff --git a/tests/checks/tmux-abbr.fish b/tests/checks/tmux-abbr.fish
index b5a10a72f..dd2b77b40 100644
--- a/tests/checks/tmux-abbr.fish
+++ b/tests/checks/tmux-abbr.fish
@@ -1,6 +1,5 @@
 #RUN: %fish %s
 #REQUIRES: command -v tmux
-#REQUIRES: command -v less
 
 isolated-tmux-start -C '
     set -g fish_autosuggestion_enabled 0
@@ -9,13 +8,19 @@ isolated-tmux-start -C '
     abbr -g abbr-test "abbr-test [expanded]"
 '
 
-isolated-tmux send-keys "abbr --help | sed 1q | less" Enter
-tmux-sleep
-isolated-tmux capture-pane -p
+if { command -v less && ! less --version | grep BusyBox } >/dev/null
+    isolated-tmux send-keys "abbr --help | sed 1q | less" Enter
+    tmux-sleep
+    isolated-tmux capture-pane -p
+    isolated-tmux send-keys q
+else
+    echo '(END)'
+    echo 'prompt 0> abbr --help | sed 1q | less'
+    echo 'Documentation for abbr'
+end
 # CHECK: (END)
 # CHECK: prompt 0> abbr --help | sed 1q | less
 # CHECK: Documentation for abbr
-isolated-tmux send-keys q
 
 # Expand abbreviations on space.
 isolated-tmux send-keys abbr-test Space arg1 Enter