From 1ba61c4ba5ee28bb84f04c6fbbbf57f91766b5c6 Mon Sep 17 00:00:00 2001
From: takase1121 <20792268+takase1121@users.noreply.github.com>
Date: Thu, 21 Oct 2021 13:29:38 +0800
Subject: fix skipping output if fc-match exits early

---
 plugins/fontconfig.lua | 18 +++++++++---------
 1 file changed, 9 insertions(+), 9 deletions(-)

diff --git a/plugins/fontconfig.lua b/plugins/fontconfig.lua
index 9702422..657e364 100644
--- a/plugins/fontconfig.lua
+++ b/plugins/fontconfig.lua
@@ -32,18 +32,18 @@ local function resolve_font(spec)
   })
   local prev
   local lines = {}
-  while proc:running() do
+  while true do
     coroutine.yield(scan_rate)
     local buf = proc:read_stdout()
-    if type(buf) == "string" then
-      local last_line_start = 1
-      for line, ln in string.gmatch(buf, "([^\n]-)\n()") do
-        last_line_start = ln
-        if prev then line = prev .. line end
-        table.insert(lines, line)
-      end
-      prev = last_line_start < #buf and string.sub(buf, last_line_start)
+    if not buf then break end
+
+    local last_line_start = 1
+    for line, ln in string.gmatch(buf, "([^\n]-)\n()") do
+      last_line_start = ln
+      if prev then line = prev .. line end
+      table.insert(lines, line)
     end
+    prev = last_line_start < #buf and string.sub(buf, last_line_start)
   end
   if prev then table.insert(lines, prev) end
 
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