Add fspec output

2 files changed, 50 insertions, 6 deletions

diff --git a/ninja.lua b/ninja.lua
index c77de768..34c21682 100644
--- a/ninja.lua
+++ b/ninja.lua
@@ -434,14 +434,20 @@ function file(path, mode, src)
 	if pkg.gendir:hasprefix('pkg/') and not fs(pkg.name, path) then
 		return
 	end
+	mode = ('%04o'):format(tonumber(mode, 8))
+	pkg.fspec[path] = {
+		type='reg',
+		mode=mode,
+		source=src:gsub('^%$(%w+)', pkg, 1),
+	}
+	table.insert(pkg.inputs.fspec.implicit, src)
 	local out = '$builddir/root.hash/'..path
-	mode = tonumber(mode, 8)
-	local perm = string.format('10%04o %s', mode, path)
+	local perm = ('10%s %s'):format(mode, path)
 	build('githash', out, {src, '|', '$basedir/scripts/hash.sh', '||', '$builddir/root.stamp'}, {
 		args=perm,
 	})
 	table.insert(pkg.inputs.index, out)
-	if mode ~= 420 and mode ~= 493 then -- 0644 and 0755
+	if mode ~= '0644' and mode ~= '0755' then
 		table.insert(pkg.perms, perm)
 	end
 end
@@ -450,14 +456,23 @@ function dir(path, mode)
 	if pkg.gendir:hasprefix('pkg/') and not fs(pkg.name, path) then
 		return
 	end
-	mode = tonumber(mode, 8)
-	table.insert(pkg.perms, string.format('04%04o %s', mode, path))
+	mode = ('%04o'):format(tonumber(mode, 8))
+	pkg.fspec[path] = {
+		type='dir',
+		mode=mode,
+	}
+	table.insert(pkg.perms, ('04%s %s'):format(mode, path))
 end
 
 function sym(path, target)
 	if pkg.gendir:hasprefix('pkg/') and not fs(pkg.name, path) then
 		return
 	end
+	pkg.fspec[path] = {
+		type='sym',
+		mode='0777',
+		target=target,
+	}
 	local out = '$builddir/root.hash/'..path
 	build('githash', out, {'|', '$basedir/scripts/hash.sh', '||', '$builddir/root.stamp'}, {
 		args=string.format('120000 %s %s', path, target),
diff --git a/setup.lua b/setup.lua
index f24f2fc7..7779bc59 100755
--- a/setup.lua
+++ b/setup.lua
@@ -29,6 +29,7 @@ function subgen(dir)
 	table.insert(pkg.inputs.ninja, '$gendir/'..dir..'/ninja')
 	table.insert(pkg.inputs.index, '$outdir/'..dir..'/root.index')
 	table.insert(pkg.inputs.perms, '$outdir/'..dir..'/root.perms')
+	table.insert(pkg.inputs.fspec, '$outdir/'..dir..'/root.fspec')
 	local cmd = string.format('test -f %s/%s/local.ninja', pkg.gendir, dir)
 	if recurse or not os.execute(cmd) then
 		local oldpkg, oldout = pkg, io.output()
@@ -42,12 +43,18 @@ function subgen(dir)
 end
 
 function gen(gendir)
+	local dir = basedir..'/'..gendir
+	local outdir = config.builddir..'/'..gendir
 	pkg={
 		name=gendir:match('[^/]*$'),
+		dir=dir,
 		gendir=gendir,
+		srcdir=dir..'/src',
+		outdir=outdir,
 		inputs={
 			perms={},
 			index={},
+			fspec={implicit={}},
 			gen={
 				'$basedir/ninja.lua',
 				'$basedir/sets.lua',
@@ -58,9 +65,9 @@ function gen(gendir)
 			fetch={},
 		},
 		perms={},
+		fspec={},
 	}
 	assert(os.execute('mkdir -p '..gendir))
-	local outdir = config.builddir..'/'..gendir
 	assert(os.execute('mkdir -p '..outdir))
 	io.output(gendir..'/local.ninja.tmp')
 	set('gendir', gendir)
@@ -99,6 +106,18 @@ function gen(gendir)
 		table.insert(pkg.inputs.perms, '$outdir/local.perms')
 		f:close()
 	end
+	if next(pkg.fspec) then
+		local f = assert(io.open(outdir..'/local.fspec', 'w'))
+		for _, path in ipairs(table.keys(pkg.fspec)) do
+			f:write(('/%s\n'):format(path))
+			for k, v in pairs(pkg.fspec[path]) do
+				f:write(('%s=%s\n'):format(k, v))
+			end
+			f:write('\n')
+		end
+		f:close()
+		table.insert(pkg.inputs.fspec, '$outdir/local.fspec')
+	end
 	if next(pkg.inputs.perms) then
 		build('mergeperms', '$outdir/root.perms', pkg.inputs.perms)
 	else
@@ -111,6 +130,16 @@ function gen(gendir)
 	else
 		build('empty', '$outdir/root.index')
 	end
+	if next(pkg.inputs.fspec) then
+		if next(pkg.inputs.fspec.implicit) then
+			table.insert(pkg.inputs.fspec, {'|', pkg.inputs.fspec.implicit})
+		end
+		build('cat', '$outdir/root.fspec', pkg.inputs.fspec, {
+			description = '	FSPEC	$outdir/root.fspec',
+		})
+	else
+		build('empty', '$outdir/root.fspec')
+	end
 	build('phony', '$dir/root', pkg.inputs.root)
 	io.close()
 	os.rename(gendir..'/local.ninja.tmp', gendir..'/local.ninja')