examples/cgit-commit-filter: improve quoted text handling

[public-inbox.git] / examples / cgit-commit-filter.lua

diff --git a/examples/cgit-commit-filter.lua b/examples/cgit-commit-filter.lua
index 167725348be4a94fc508a44c38b29a2ff7a171a4..9614c94441e0149374f388e7bebc0df3662078d4 100644 (file)
--- a/examples/cgit-commit-filter.lua
+++ b/examples/cgit-commit-filter.lua
@@ -1,4 +1,4 @@
--- Copyright (C) 2015-2018 all contributors <meta@public-inbox.org>
+-- Copyright (C) 2015-2021 all contributors <meta@public-inbox.org>
 -- License: GPLv2 or later <https://www.gnu.org/licenses/gpl-2.0.txt>
 -- This commit filter maps a subject line to a search URL of a public-inbox
 -- disclaimer: written by someone who does not know Lua.
@@ -32,7 +32,8 @@ function filter_close()
                        html(buffer)
                else
                        html('<a href="' .. u .. '?x=t&amp;q=')
-                       html_url_arg('"' .. buffer .. '"')
+                       s = string.gsub(buffer, '"', '""')
+                       html_url_arg('"' .. s .. '"')
                        html('"><tt>')
                        html_txt(buffer)
                        html('</tt></a>')