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-- acf model for displaying logfiles recusivly 
module (..., package.seeall)

require("fs")
require("format")
-- no initializer in model - use controller.init for that

-- ###############################################################
-- Private functions
local function querycmd ( cmdline )
	local cmd = io.popen( cmdline )
	local cmd_result = cmd:read("*a") or "unknown"
	cmd:close()
	return cmd_result
end

-- ###############################################################
-- Public functions

get = function (self)
	local svnurl = "svn://svn.alpinelinux.org/acf/"
	return querycmd("/usr/bin/svn list -v " .. svnurl )
end

update = function (self)
	local svnurl = "svn://svn.alpinelinux.org/acf/"
	local updates = {}
	local cmdresult = {}
	updates.svnurl = svnurl
	for list in string.gmatch((querycmd("/usr/bin/svn list " .. svnurl )), "%S+") do
		local updateresult = ""
		if (list == "core/") then
			updateresult = querycmd("/usr/bin/svn up /usr/share/acf/ 2>&1")
		elseif ( fs.is_dir("/usr/share/acf/app/" .. list)) then
			updateresult = querycmd("/usr/bin/svn up /usr/share/acf/app/" .. list .. " 2>&1")
		elseif (list ~= "sandbox/") then
			updateresult = querycmd("/usr/bin/svn co " .. svnurl .. list .."trunk/ /usr/share/acf/app/" .. list .. " 2>&1")
		end
		-- Hide projects without updates
		if (string.match(updateresult, "^At revision.*")) then updateresult = "" end
		table.insert(cmdresult, {name=list, updates=updateresult})
	end
	updates.cmdresult = cmdresult
	return updates
end

diffs = function (self)
	local svnurl = "svn://svn.alpinelinux.org/acf/"
	local updates = {}
	local cmdresult = {}
	updates.svnurl = svnurl
	table.insert(cmdresult, {name="INFORMATION", updates="<p class=attention>Important information.</p><p>In the following output all html-brackets < and > are replaced to [ and ].<BR>This is to be able to display the diffs in text (perhibit the browser to display the diff as graphics).</p>"})
	for list in string.gmatch((querycmd("/usr/bin/svn list " .. svnurl )), "%S+") do
		local updateresult = ""
		if (list == "core/") then
			updateresult = querycmd("/usr/bin/svn -rHEAD diff /usr/share/acf/ 2>&1")
		elseif ( fs.is_dir("/usr/share/acf/app/" .. list)) then
			updateresult = querycmd("/usr/bin/svn -rHEAD diff /usr/share/acf/app/" .. list .. " 2>&1")
		end
		updateresult = format.search_replace({updateresult},"<","[")
		updateresult = format.search_replace(updateresult,">","]")
		updateresult = table.concat(updateresult, "\n")
		table.insert(cmdresult, {name=list, updates=updateresult})
	end
	updates.cmdresult = cmdresult
	return updates
end

status = function (self)
	local svnurl = "svn://svn.alpinelinux.org/acf/"
	local updates = {}
	local cmdresult = {}
	updates.svnurl = svnurl
	for list in string.gmatch((querycmd("/usr/bin/svn list " .. svnurl )), "%S+") do
		local updateresult = ""
		if (list == "core/") then
			updateresult = querycmd("/usr/bin/svn st -u /usr/share/acf/ 2>&1")
		elseif ( fs.is_dir("/usr/share/acf/app/" .. list)) then
			updateresult = querycmd("/usr/bin/svn st -u /usr/share/acf/app/" .. list .. " 2>&1")
		end
		-- Hide projects without diffs
		if (string.match(updateresult, "^Status against revision.*")) then updateresult = "" end
		table.insert(cmdresult, {name=list, updates=updateresult})
	end
	updates.cmdresult = cmdresult
	return updates
end