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if not modules then modules = { } end modules ['data-aux'] = {
version = 1.001,
comment = "companion to luat-lib.mkiv",
author = "Hans Hagen, PRAGMA-ADE, Hasselt NL",
copyright = "PRAGMA ADE / ConTeXt Development Team",
license = "see context related readme files"
}
local find = string.find
local type, next = type, next
local trace_locating = false trackers.register("resolvers.locating", function(v) trace_locating = v end)
local resolvers = resolvers
local report_scripts = logs.reporter("resolvers","scripts")
function resolvers.updatescript(oldname,newname) -- oldname -> own.name, not per se a suffix
-- local scriptpath = "scripts/context/lua"
local scriptpath = "context/lua"
newname = file.addsuffix(newname,"lua")
local oldscript = resolvers.cleanpath(oldname)
if trace_locating then
report_scripts("to be replaced old script %a", oldscript)
end
local newscripts = resolvers.findfiles(newname) or { }
if #newscripts == 0 then
if trace_locating then
report_scripts("unable to locate new script")
end
else
for i=1,#newscripts do
local newscript = resolvers.cleanpath(newscripts[i])
if trace_locating then
report_scripts("checking new script %a", newscript)
end
if oldscript == newscript then
if trace_locating then
report_scripts("old and new script are the same")
end
elseif not find(newscript,scriptpath,1,true) then
if trace_locating then
report_scripts("new script should come from %a",scriptpath)
end
elseif not (find(oldscript,file.removesuffix(newname).."$") or find(oldscript,newname.."$")) then
if trace_locating then
report_scripts("invalid new script name")
end
else
local newdata = io.loaddata(newscript)
if newdata then
if trace_locating then
report_scripts("old script content replaced by new content")
end
io.savedata(oldscript,newdata)
break
elseif trace_locating then
report_scripts("unable to load new script")
end
end
end
end
end
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