10 files changed, 132 insertions, 16 deletions
diff --git a/src/arg.lua b/src/arg.lua
index de19c77..ea71955 100644
--- a/src/arg.lua
+++ b/src/arg.lua
@@ -3,13 +3,15 @@ local function help(opts)
 
 	io.write(Path:new(arg[0]):name())
 	io.write(" ")
+	io.write(arg[1])
+	io.write(" ")
 
 	for _, v in ipairs(opts) do
 		if v.kind == nil then
-			io.write("[" .. v.name .. "] ")
+			io.write("<" .. v.name .. "> ")
 		end
 	end
-	io.write("\n")
+	io.write("[options...]\n")
 
 	local max_width = 0
 
@@ -65,7 +67,8 @@ return function (opts)
 		end
 	end
 
-	for _, value in ipairs(arg) do
+	for index = 2, #arg do
+		local value = arg[index]
 		local key = nil
 		if current_flag == nil then
 			local flag = value:flag_name()
diff --git a/src/blueprint b/src/blueprint
index 871105d..4e73887 100755
--- a/src/blueprint
+++ b/src/blueprint
@@ -12,17 +12,23 @@ setup_package()
 require('extensions')
 require('lib')
 
-local args = require('arg') {
-	strict = false,
-	{ name = "target" },
-	{ name = "template", description = "some description", kind = "property", required = true },
+local commands = {
+	c = require('create'), create = require('create'),
+	l = require('list'), list = require('list'),
+	i = require('install'), install = require('install'),
+	r = require('remove'), remove = require('remove'),
 }
 
-local template = loadfile('./example/build.lua', nil, Env.Sandbox {
-	Template = Template
-})
+local command = commands[arg[1]]
+if command then
+	command()
+else
+	print([[blueprint <command> [options...]
 
-local builder = Builder:from_template('./example/build.lua')
-
-local instance = builder:build(args)
-instance:save_to(args.target)
+commands:
+  create  -- new directory structure from template
+  list    -- show all installed templates
+  install -- install template from URL or file
+  remove  -- remove installed template
+]])
+end
diff --git a/src/create.lua b/src/create.lua
new file mode 100644
index 0000000..19ba7e8
--- /dev/null
+++ b/src/create.lua
@@ -0,0 +1,23 @@
+return function()
+	local args = require('arg') {
+		strict = false,
+		{ name = "target" },
+		{
+			name = "template",
+			description = "template name or path to build.lua",
+			kind = "property",
+			required = true,
+		},
+	}
+
+	local path = manager.get(args.template) or Path:new(args.template)
+
+	if not path:exists() then
+		error('template does not exist.')
+	end
+
+	local builder = Builder:from_template(path)
+
+	local instance = builder:build(args)
+	instance:save_to(args.target)
+end
diff --git a/src/install.lua b/src/install.lua
new file mode 100644
index 0000000..46b1d7f
--- /dev/null
+++ b/src/install.lua
@@ -0,0 +1,14 @@
+return function()
+	local args = require('arg') {
+		strict = true,
+		{ name = "path" },
+		{
+			name = "name",
+			description = "template name (default: name of the directory)",
+			kind = "property",
+			required = false,
+		}
+	}
+
+	manager.install(Path:new(args.path), args.name)
+end
diff --git a/src/lib/builder.lua b/src/lib/builder.lua
index 7390257..34c3c8c 100644
--- a/src/lib/builder.lua
+++ b/src/lib/builder.lua
@@ -3,13 +3,13 @@ Builder = {}
 function Builder:from_template(path)
 	local builder = {
 		template = loadfile(
-			path,
+			tostring(path),
 			nil,
 			Env.Sandbox {
 				Template = Template
 			}
 		)(),
-		source = Path:new(path),
+		source = path,
 	}
 
 	builder.source_directory = builder.source:parent()
diff --git a/src/lib/init.lua b/src/lib/init.lua
index 2db3367..d87921c 100644
--- a/src/lib/init.lua
+++ b/src/lib/init.lua
@@ -3,3 +3,4 @@ require('lib.env')
 require('lib.template')
 require('lib.builder')
 require('lib.instance')
+require('lib.manager')
diff --git a/src/lib/manager.lua b/src/lib/manager.lua
new file mode 100644
index 0000000..4ad2051
--- /dev/null
+++ b/src/lib/manager.lua
@@ -0,0 +1,40 @@
+manager = {}
+
+manager.base_path = Path:new(os.getenv('HOME')) / '.local/share/blueprint'
+manager.install_path = manager.base_path / 'templates'
+
+manager.base_path:make_directory { create_parents = true }
+manager.install_path:make_directory { create_parents = true }
+
+function manager.list()
+	return manager.install_path:entries()
+end
+
+function manager.install(path, name)
+	if not (path / 'build.lua'):exists() then
+		error('build.lua does not exist.')
+	end
+
+	local target = (manager.install_path / (name or path:name()))
+
+	if target:exists() then
+		error('template already installed.')
+	end
+
+	path:copy_to(target)
+end
+
+function manager.remove(name)
+	if name == nil or not (manager.install_path / name):exists() then
+		error('template does not exist.')
+	end
+
+	(manager.install_path / name):remove { recursive = true, force = true }
+end
+
+function manager.get(name)
+	if (manager.install_path / name):exists() then
+		return manager.install_path / name / 'build.lua'
+	end
+	return nil
+end
diff --git a/src/lib/path.lua b/src/lib/path.lua
index f99585b..a0be1e5 100644
--- a/src/lib/path.lua
+++ b/src/lib/path.lua
@@ -112,6 +112,20 @@ function Path:make_directory(opts)
 	pipe:close()
 end
 
+function Path:copy_to(target)
+	local pipe = io.popen('cp -r ' .. tostring(self) .. ' ' .. tostring(target))
+	pipe:close()
+end
+
+function Path:remove(opts)
+	local pipe = io.popen('rm ' ..
+		(opts.recursive and '-r ' or ' ') ..
+		(opts.force and '-f ' or ' ') ..
+		tostring(self)
+	)
+	pipe:close()
+end
+
 return {
 	tests = {
 		function()
diff --git a/src/list.lua b/src/list.lua
new file mode 100644
index 0000000..d4dd1de
--- /dev/null
+++ b/src/list.lua
@@ -0,0 +1,7 @@
+return function()
+	io.write('Templates:\n')
+
+	for template in manager.list() do
+		io.write('  ' .. template:name() .. '\n')
+	end
+end
diff --git a/src/remove.lua b/src/remove.lua
new file mode 100644
index 0000000..3877324
--- /dev/null
+++ b/src/remove.lua
@@ -0,0 +1,8 @@
+return function()
+	local args = require('arg') {
+		strict = true,
+		{ name = "template" },
+	}
+
+	manager.remove(args.template)
+end