mirror of
https://github.com/correl/rebar.git
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64 lines
2.7 KiB
Erlang
64 lines
2.7 KiB
Erlang
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%% -------------------------------------------------------------------
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%%
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%% rebar: Erlang Build Tools
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%%
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%% Copyright (c) 2009 Dave Smith (dizzyd@dizzyd.com)
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%%
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%% Permission is hereby granted, free of charge, to any person obtaining a copy
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%% of this software and associated documentation files (the "Software"), to deal
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%% in the Software without restriction, including without limitation the rights
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%% to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
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%% copies of the Software, and to permit persons to whom the Software is
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%% furnished to do so, subject to the following conditions:
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%%
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%% The above copyright notice and this permission notice shall be included in
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%% all copies or substantial portions of the Software.
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%%
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%% THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
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%% IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
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%% FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
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%% AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
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%% LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
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%% OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
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%% THE SOFTWARE.
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%% -------------------------------------------------------------------
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-module(rebar_escripter).
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-export([escriptize/2]).
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-include("rebar.hrl").
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%% ===================================================================
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%% Public API
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%% ===================================================================
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escriptize(Config, AppFile) ->
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%% Extract the application name from the archive -- this will be be what
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%% we call the output script
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{ok, AppName, _AppData} = rebar_app_utils:load_app_file(AppFile),
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%% Construct the archive of everything in ebin/ dir -- put it on the
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%% top-level of the zip file so that code loading works properly.
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Files = filelib:wildcard("*", "ebin"),
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case zip:create("mem", Files, [{cwd, "ebin"}, memory]) of
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{ok, {"mem", ZipBin}} ->
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%% Archive was successfully created. Prefix that binary with our
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%% header and write to our escript file
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Script = <<"#!/usr/bin/env escript\n", ZipBin/binary>>,
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case file:write_file(AppName, Script) of
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ok ->
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ok;
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{error, WriteError} ->
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?ERROR("Failed to write ~p script: ~p\n", [AppName, WriteError]),
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?FAIL
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end;
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{error, ZipError} ->
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?ERROR("Failed to construct ~p escript: ~p\n", [AppName, ZipError]),
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?FAIL
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end,
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%% Finally, update executable perms for our script
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[] = os:cmd(?FMT("chmod u+x ~p", [AppName])),
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ok.
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