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+# Bootstrap templates.
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+bs_appsrc = "{application, $(PROJECT), [" \
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+ " {description, \"\"}," \
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+ " {vsn, \"0.1.0\"}," \
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+ " {modules, []}," \
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+ " {registered, []}," \
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+ " {applications, [" \
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+ " kernel," \
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+ " stdlib" \
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+ " ]}," \
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+ " {mod, {$(PROJECT)_app, []}}," \
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+ " {env, []}" \
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+ "]}."
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+bs_appsrc_lib = "{application, $(PROJECT), [" \
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+ " {description, \"\"}," \
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+ " {vsn, \"0.1.0\"}," \
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+ " {modules, []}," \
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+ " {registered, []}," \
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+ " {applications, [" \
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+ " kernel," \
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+ " stdlib" \
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+ " ]}" \
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+ "]}."
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+bs_Makefile = "PROJECT = $(PROJECT)" \
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+ "include erlang.mk"
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+bs_app = "-module($(PROJECT)_app)." \
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+ "-behaviour(application)." \
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+ "" \
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+ "-export([start/2])." \
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+ "-export([stop/1])." \
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+ "" \
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+ "start(_Type, _Args) ->" \
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+ " $(PROJECT)_sup:start_link()." \
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+ "" \
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+ "stop(_State) ->" \
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+ " ok."
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+bs_relx_config = "{release, {$(PROJECT)_release, \"1\"}, [$(PROJECT)]}." \
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+ "{extended_start_script, true}." \
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+ "{sys_config, \"rel/sys.config\"}." \
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+ "{vm_args, \"rel/vm.args\"}."
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+bs_sys_config = "[" \
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+ "]."
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+bs_vm_args = "-name $(PROJECT)@127.0.0.1" \
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+ "-setcookie $(PROJECT)" \
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+ "-heart"
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+# Normal templates.
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+tpl_supervisor = "-module($(n))." \
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+ "-behaviour(supervisor)." \
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+ "" \
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+ "-export([start_link/0])." \
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+ "-export([init/1])." \
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+ "" \
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+ "start_link() ->" \
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+ " supervisor:start_link({local, ?MODULE}, ?MODULE, [])." \
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+ "" \
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+ "init([]) ->" \
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+ " Procs = []," \
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+ " {ok, {{one_for_one, 1, 5}, Procs}}."
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+tpl_gen_server = "-module($(n))." \
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+ "-behaviour(gen_server)." \
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+ "" \
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+ "%% API." \
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+ "-export([start_link/0])." \
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+ "" \
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+ "%% gen_server." \
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+ "-export([init/1])." \
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+ "-export([handle_call/3])." \
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+ "-export([handle_cast/2])." \
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+ "-export([handle_info/2])." \
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+ "-export([terminate/2])." \
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+ "-export([code_change/3])." \
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+ "" \
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+ "-record(state, {" \
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+ "})." \
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+ "" \
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+ "%% API." \
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+ "" \
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+ "-spec start_link() -> {ok, pid()}." \
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+ "start_link() ->" \
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+ " gen_server:start_link(?MODULE, [], [])." \
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+ "" \
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+ "%% gen_server." \
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+ "" \
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+ "init([]) ->" \
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+ " {ok, \#state{}}." \
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+ "" \
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+ "handle_call(_Request, _From, State) ->" \
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+ " {reply, ignored, State}." \
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+ "" \
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+ "handle_cast(_Msg, State) ->" \
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+ " {noreply, State}." \
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+ "" \
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+ "handle_info(_Info, State) ->" \
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+ " {noreply, State}." \
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+ "" \
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+ "terminate(_Reason, _State) ->" \
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+ " ok." \
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+ "" \
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+ "code_change(_OldVsn, State, _Extra) ->" \
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+ " {ok, State}."
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+tpl_cowboy_http = "-module($(n))." \
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+ "-behaviour(cowboy_http_handler)." \
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+ "" \
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+ "-export([init/3])." \
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+ "-export([handle/2])." \
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+ "-export([terminate/3])." \
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+ "" \
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+ "-record(state, {" \
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+ "})." \
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+ "" \
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+ "init(_, Req, _Opts) ->" \
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+ " {ok, Req, \#state{}}." \
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+ "" \
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+ "handle(Req, State=\#state{}) ->" \
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+ " {ok, Req2} = cowboy_req:reply(200, Req)," \
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+ " {ok, Req2, State}." \
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+ "" \
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+ "terminate(_Reason, _Req, _State) ->" \
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+ " ok."
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+tpl_cowboy_loop = "-module($(n))." \
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+ "-behaviour(cowboy_loop_handler)." \
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+ "" \
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+ "-export([init/3])." \
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+ "-export([info/3])." \
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+ "-export([terminate/3])." \
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+ "" \
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+ "-record(state, {" \
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+ "})." \
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+ "" \
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+ "init(_, Req, _Opts) ->" \
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+ " {loop, Req, \#state{}, 5000, hibernate}." \
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+ "" \
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+ "info(_Info, Req, State) ->" \
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+ " {loop, Req, State, hibernate}." \
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+ "" \
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+ "terminate(_Reason, _Req, _State) ->" \
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+ " ok."
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+tpl_cowboy_rest = "-module($(n))." \
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+ "" \
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+ "-export([init/3])." \
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+ "-export([content_types_provided/2])." \
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+ "-export([get_html/2])." \
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+ "" \
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+ "init(_, _Req, _Opts) ->" \
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+ " {upgrade, protocol, cowboy_rest}." \
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+ "" \
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+ "content_types_provided(Req, State) ->" \
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+ " {[{{<<\"text\">>, <<\"html\">>, '_'}, get_html}], Req, State}." \
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+ "" \
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+ "get_html(Req, State) ->" \
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+ " {<<\"<html><body>This is REST!</body></html>\">>, Req, State}."
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+tpl_cowboy_ws = "-module($(n))." \
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+ "-behaviour(cowboy_websocket_handler)." \
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+ "" \
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+ "-export([init/3])." \
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+ "-export([websocket_init/3])." \
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+ "-export([websocket_handle/3])." \
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+ "-export([websocket_info/3])." \
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+ "-export([websocket_terminate/3])." \
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+ "" \
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+ "-record(state, {" \
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+ "})." \
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+ "" \
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+ "init(_, _, _) ->" \
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+ " {upgrade, protocol, cowboy_websocket}." \
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+ "" \
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+ "websocket_init(_, Req, _Opts) ->" \
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+ " Req2 = cowboy_req:compact(Req)," \
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+ " {ok, Req2, \#state{}}." \
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+ "" \
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+ "websocket_handle({text, Data}, Req, State) ->" \
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+ " {reply, {text, Data}, Req, State};" \
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+ "websocket_handle({binary, Data}, Req, State) ->" \
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+ " {reply, {binary, Data}, Req, State};" \
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+ "websocket_handle(_Frame, Req, State) ->" \
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+ " {ok, Req, State}." \
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+ "" \
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+ "websocket_info(_Info, Req, State) ->" \
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+ " {ok, Req, State}." \
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+ "" \
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+ "websocket_terminate(_Reason, _Req, _State) ->" \
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+ " ok."
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+tpl_ranch_protocol = "-module($(n))." \
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+ "-behaviour(ranch_protocol)." \
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+ "" \
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+ "-export([start_link/4])." \
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+ "-export([init/4])." \
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+ "" \
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+ "-type opts() :: []." \
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+ "-export_type([opts/0])." \
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+ "" \
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+ "-record(state, {" \
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+ " socket :: inet:socket()," \
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+ " transport :: module()" \
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+ "})." \
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+ "" \
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+ "start_link(Ref, Socket, Transport, Opts) ->" \
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+ " Pid = spawn_link(?MODULE, init, [Ref, Socket, Transport, Opts])," \
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+ " {ok, Pid}." \
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+ "" \
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+ "-spec init(ranch:ref(), inet:socket(), module(), opts()) -> ok." \
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+ "init(Ref, Socket, Transport, _Opts) ->" \
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+ " ok = ranch:accept_ack(Ref)," \
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+ " loop(\#state{socket=Socket, transport=Transport})." \
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+ "" \
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+ "loop(State) ->" \
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+ " loop(State)."
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+
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+bootstrap:
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+ifneq ($(wildcard src/),)
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+ $(error Error: src/ directory already exists)
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+endif
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+ @printf "%s\n" $(bs_Makefile) > Makefile
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+ @mkdir src/
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+ @printf "%s\n" $(bs_appsrc) > src/$(PROJECT).app.src
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+ @printf "%s\n" $(bs_app) > src/$(PROJECT)_app.erl
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+ $(eval n := $(PROJECT)_sup)
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+ @printf "%s\n" $(tpl_supervisor) > src/$(PROJECT)_sup.erl
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+
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+bootstrap-lib:
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+ifneq ($(wildcard src/),)
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+ $(error Error: src/ directory already exists)
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+endif
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+ @printf "%s\n" $(bs_Makefile) > Makefile
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+ @mkdir src/
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+ @printf "%s\n" $(bs_appsrc_lib) > src/$(PROJECT).app.src
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+
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+bootstrap-rel:
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+ifneq ($(wildcard relx.config),)
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+ $(error Error: relx.config already exists)
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+endif
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+ifneq ($(wildcard rel/),)
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+ $(error Error: rel/ directory already exists)
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+endif
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+ @printf "%s\n" $(bs_relx_config) > relx.config
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+ @mkdir rel/
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+ @printf "%s\n" $(bs_sys_config) > rel/sys.config
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+ @printf "%s\n" $(bs_vm_args) > rel/vm.args
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+
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+new:
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+ifeq ($(wildcard src/),)
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+ $(error Error: src/ directory does not exist)
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+endif
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+ifndef t
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+ $(error Usage: make new t=TEMPLATE n=NAME)
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+endif
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+ifndef tpl_$(t)
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+ $(error Unknown template)
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+endif
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+ifndef n
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+ $(error Usage: make new t=TEMPLATE n=NAME)
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+endif
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+ @printf "%s\n" $(tpl_$(t)) > src/$(n).erl
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+
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+list-templates:
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+ @echo Available templates: $(sort $(patsubst tpl_%,%,$(filter tpl_%,$(.VARIABLES))))
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Loïc Hoguin