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if not modules then modules = { } end modules ['data-tmf'] = {
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 resolvers = resolvers
local report_tds = logs.reporter("resolvers","tds")
-- = <<
-- ? ??
-- < +=
-- > =+
function resolvers.load_tree(tree,resolve)
if type(tree) == "string" and tree ~= "" then
local getenv, setenv = resolvers.getenv, resolvers.setenv
-- later might listen to the raw osenv var as well
local texos = "texmf-" .. os.platform
local oldroot = environment.texroot
local newroot = file.collapsepath(tree)
local newtree = file.join(newroot,texos)
local newpath = file.join(newtree,"bin")
if not lfs.isdir(newtree) then
report_tds("no %a under tree %a",texos,tree)
os.exit()
end
if not lfs.isdir(newpath) then
report_tds("no '%s/bin' under tree %a",texos,tree)
os.exit()
end
local texmfos = newtree
environment.texroot = newroot
environment.texos = texos
environment.texmfos = texmfos
-- Beware, we need to obey the relocatable autoparent so we
-- set TEXMFCNF to its raw value. This is somewhat tricky when
-- we run a mkii job from within. Therefore, in mtxrun, there
-- is a resolve applied when we're in mkii/kpse mode or when
-- --resolve is passed to mtxrun. Maybe we should also set the
-- local AUTOPARENT etc. although these are alwasy set new.
if resolve then
-- resolvers.luacnfspec = resolvers.joinpath(resolvers.resolve(resolvers.expandedpathfromlist(resolvers.splitpath(resolvers.luacnfspec))))
resolvers.luacnfspec = resolvers.resolve(resolvers.luacnfspec)
end
setenv('SELFAUTOPARENT', newroot)
setenv('SELFAUTODIR', newtree)
setenv('SELFAUTOLOC', newpath)
setenv('TEXROOT', newroot)
setenv('TEXOS', texos)
setenv('TEXMFOS', texmfos)
setenv('TEXMFCNF', resolvers.luacnfspec,true) -- already resolved
setenv('PATH', newpath .. io.pathseparator .. getenv('PATH'))
report_tds("changing from root %a to %a",oldroot,newroot)
report_tds("prepending %a to PATH",newpath)
report_tds("setting TEXMFCNF to %a",resolvers.luacnfspec)
report_tds()
end
end
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