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email-gravatar.lua « filters - git.zx2c4.com/cgit.git - Unnamed repository; edit this file 'description' to name the repository.
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-- This script may be used with the email-filter or repo.email-filter settings in cgitrc.
-- It adds gravatar icons to author names. It is designed to be used with the lua:
-- prefix in filters. It is much faster than the corresponding python script.
--
-- Requirements:
-- 	luacrypto >= 0.3
-- 	<http://mkottman.github.io/luacrypto/>
--

require("crypto")

function filter_open(email, page)
	buffer = ""
	md5 = crypto.digest("md5", email:sub(2, -2):lower())
end

function filter_close()
	html("<img src='//www.gravatar.com/avatar/" .. md5 .. "?s=13&d=retro' style='height:10pt;width:10pt'> " .. buffer)
end

function filter_write(str)
	buffer = buffer .. str
end