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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"
}
-- = <<
-- ? ??
-- < +=
-- > =+
function resolvers.load_tree(tree)
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.collapse_path(tree)
local newtree = file.join(newroot,texos)
local newpath = file.join(newtree,"bin")
if not lfs.isdir(newtree) then
logs.simple("no '%s' under tree %s",texos,tree)
os.exit()
end
if not lfs.isdir(newpath) then
logs.simple("no '%s/bin' under tree %s",texos,tree)
os.exit()
end
local texmfos = newtree
environment.texroot = newroot
environment.texos = texos
environment.texmfos = texmfos
setenv('SELFAUTOPARENT', newroot)
setenv('SELFAUTODIR', newtree)
setenv('SELFAUTOLOC', newpath)
setenv('TEXROOT', newroot)
setenv('TEXOS', texos)
setenv('TEXMFOS', texmfos)
setenv('TEXROOT', newroot)
setenv('TEXMFCNF', resolvers.luacnfspec)
setenv("PATH", newpath .. io.pathseparator .. getenv("PATH"))
logs.simple("changing from root '%s' to '%s'",oldroot,newroot)
logs.simple("prepending '%s' to binary path",newpath)
logs.simple()
end
end
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