-- Copyright (C) 2015-2020 all contributors
-- License: GPLv2 or later
-- This commit filter maps a subject line to a search URL of a public-inbox
-- disclaimer: written by someone who does not know Lua.
--
-- This requires cgit linked with Lua
-- Usage (in your cgitrc(5) config file):
--
-- commit-filter=lua:/path/to/this/script.lua
--
-- Example site: https://80x24.org/public-inbox.git/
local urls = {}
urls['public-inbox.git'] = 'https://public-inbox.org/meta/'
-- additional URLs here...
-- TODO we should be able to auto-generate this based on "coderepo"
-- directives in the public-inbox config file; but keep in mind
-- the mapping is M:N between inboxes and coderepos
function filter_open(...)
lineno = 0
buffer = ""
end
function filter_close()
-- cgit opens and closes this filter for the commit subject
-- and body separately, and we only generate the link based
-- on the commit subject:
if lineno == 1 and string.find(buffer, "\n") == nil then
u = urls[os.getenv('CGIT_REPO_URL')]
if u == nil then
html(buffer)
else
html('')
html_txt(buffer)
html('')
end
else
-- pass the body-through as-is
-- TODO: optionally use WwwHighlight for linkification like
-- cgit-wwwhighlight-filter.lua
html(buffer)
end
return 0
end
function filter_write(str)
lineno = lineno + 1
buffer = buffer .. str
end