Drop the highlighter's stale guard and dead branch

cgit runs as a CGI, so no interpreter outlives its request, and the
lexers load once per process. The loop below already wrote nothing for
an empty blob.

1 file changed, 2 insertions, 11 deletions

diff --git a/custom/extensions/syntax-highlight.lua b/custom/extensions/syntax-highlight.luaindex 544fce1..fdc4fa0 100644--- a/custom/extensions/syntax-highlight.lua+++ b/custom/extensions/syntax-highlight.lua@@ -135,11 +135,7 @@ local function load_scintillua() 	if not dir then 		return nil 	end-	-- cgit keeps this interpreter alive across requests, so package.path is-	-- only extended when the directory is not already on it.-	if not string.find(package.path, dir, 1, true) then-		package.path = dir .. "/?.lua;" .. package.path-	end+	package.path = dir .. "/?.lua;" .. package.path 	local ok, mod = pcall(require, "lexer") 	-- A real Scintillua exposes load(), so anything else on the path that 	-- happens to be called lexer is rejected rather than used.@@ -243,13 +239,8 @@ function filter_close() 			end 		end 	end-	local n = #text-	if n == 0 then-		html("")-		return 0-	end 	local pos = 1-	while pos <= n do+	while pos <= #text do 		html(escape(string.sub(text, pos, pos + slice_bytes - 1))) 		pos = pos + slice_bytes 	end
diff --git a/custom/extensions/syntax-highlight.lua b/custom/extensions/syntax-highlight.lua
index 544fce1..fdc4fa0 100644
--- a/custom/extensions/syntax-highlight.lua
+++ b/custom/extensions/syntax-highlight.lua
@@ -135,11 +135,7 @@ local function load_scintillua()
 	if not dir then
 		return nil
 	end
-	-- cgit keeps this interpreter alive across requests, so package.path is
-	-- only extended when the directory is not already on it.
-	if not string.find(package.path, dir, 1, true) then
-		package.path = dir .. "/?.lua;" .. package.path
-	end
+	package.path = dir .. "/?.lua;" .. package.path
 	local ok, mod = pcall(require, "lexer")
 	-- A real Scintillua exposes load(), so anything else on the path that
 	-- happens to be called lexer is rejected rather than used.
@@ -243,13 +239,8 @@ function filter_close()
 			end
 		end
 	end
-	local n = #text
-	if n == 0 then
-		html("")
-		return 0
-	end
 	local pos = 1
-	while pos <= n do
+	while pos <= #text do
 		html(escape(string.sub(text, pos, pos + slice_bytes - 1)))
 		pos = pos + slice_bytes
 	end