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#!/bin/lua
basedir = arg[0]:match('(.*)/') or '.'
if not os.execute('test -f config.lua') then
os.execute('cp '..basedir..'/config.def.lua config.lua')
end
dofile(basedir..'/ninja.lua')
config = dofile 'config.lua'
local recurse = not arg[1]
function subgen(dir)
local file = '$gendir/'..dir..'/local.ninja'
subninja(file)
table.insert(pkg.inputs.ninja, '$gendir/'..dir..'/ninja')
table.insert(pkg.inputs.index, '$outdir/'..dir..'/root.index')
table.insert(pkg.inputs.perms, '$outdir/'..dir..'/root.perms')
local cmd = string.format('test -f %s/%s/local.ninja', pkg.dir, dir)
if recurse or not os.execute(cmd) then
local oldpkg, oldout = pkg, io.output()
if pkg.dir ~= '.' then
dir = pkg.dir..'/'..dir
end
gen(dir)
pkg = oldpkg
io.output(oldout)
end
end
function gen(dir)
pkg={
name=dir:match('[^/]*$'),
dir=dir,
inputs={
perms={},
index={},
gen={
'$basedir/ninja.lua',
'$basedir/sets.lua',
'$basedir/setup.lua',
'config.lua',
},
ninja={'$gendir/local.ninja'},
fetch={},
},
perms={},
}
if not os.execute('mkdir -p '..dir) then
error('failed to create '..dir)
end
local outdir = config.builddir..'/'..dir
if not os.execute('mkdir -p '..outdir) then
error('failed to create '..outdir)
end
io.output(dir..'/local.ninja.tmp')
set('gendir', dir)
if dir ~= '.' then
set('dir', '$basedir/$gendir')
set('outdir', '$builddir/$gendir')
set('srcdir', '$dir/src')
end
load('gen.lua')
build('gen', '$gendir/local.ninja', {'|', pkg.inputs.gen})
phony('ninja', pkg.inputs.ninja)
if pkg.hdrs then
phony('headers', pkg.hdrs)
if pkg.hdrs.install then
for hdr in iterstrings(pkg.hdrs) do
if not hdr:hasprefix('$outdir/include/') then
error('header is not in $outdir/include: '..hdr)
end
file(hdr:sub(9), '644', hdr)
end
end
end
if pkg.deps then
phony('deps', pkg.deps)
end
if next(pkg.perms) then
table.sort(pkg.perms, function(s1, s2)
return s1:sub(8) < s2:sub(8)
end)
local f = io.open(outdir..'/local.perms', 'w')
table.insert(pkg.perms, '')
f:write(table.concat(pkg.perms, '\n'))
table.insert(pkg.inputs.perms, '$outdir/local.perms')
f:close()
end
if next(pkg.inputs.perms) then
build('mergeperms', '$outdir/root.perms', pkg.inputs.perms)
else
build('empty', '$outdir/root.perms')
end
if next(pkg.inputs.index) then
build('cat', '$outdir/root.index', pkg.inputs.index, {
description=' INDEX $outdir/root.index',
})
else
build('empty', '$outdir/root.index')
end
build('phony', '$dir/root', pkg.inputs.root)
io.close()
os.rename(dir..'/local.ninja.tmp', dir..'/local.ninja')
if dir == '.' then
os.execute('ln -sf local.ninja build.ninja')
end
end
gen(arg[1] or '.')
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