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Diffstat (limited to 'src')
-rw-r--r-- | src/rebar_escripter.erl | 63 |
1 files changed, 63 insertions, 0 deletions
diff --git a/src/rebar_escripter.erl b/src/rebar_escripter.erl new file mode 100644 index 0000000..b18b436 --- /dev/null +++ b/src/rebar_escripter.erl @@ -0,0 +1,63 @@ +%% ------------------------------------------------------------------- +%% +%% rebar: Erlang Build Tools +%% +%% Copyright (c) 2009 Dave Smith (dizzyd@dizzyd.com) +%% +%% Permission is hereby granted, free of charge, to any person obtaining a copy +%% of this software and associated documentation files (the "Software"), to deal +%% in the Software without restriction, including without limitation the rights +%% to use, copy, modify, merge, publish, distribute, sublicense, and/or sell +%% copies of the Software, and to permit persons to whom the Software is +%% furnished to do so, subject to the following conditions: +%% +%% The above copyright notice and this permission notice shall be included in +%% all copies or substantial portions of the Software. +%% +%% THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR +%% IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, +%% FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE +%% AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER +%% LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, +%% OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN +%% THE SOFTWARE. +%% ------------------------------------------------------------------- +-module(rebar_escripter). + +-export([escriptize/2]). + +-include("rebar.hrl"). + +%% =================================================================== +%% Public API +%% =================================================================== + +escriptize(Config, AppFile) -> + %% Extract the application name from the archive -- this will be be what + %% we call the output script + {ok, AppName, _AppData} = rebar_app_utils:load_app_file(AppFile), + + %% Construct the archive of everything in ebin/ dir -- put it on the + %% top-level of the zip file so that code loading works properly. + Files = filelib:wildcard("*", "ebin"), + case zip:create("mem", Files, [{cwd, "ebin"}, memory]) of + {ok, {"mem", ZipBin}} -> + %% Archive was successfully created. Prefix that binary with our + %% header and write to our escript file + Script = <<"#!/usr/bin/env escript\n", ZipBin/binary>>, + case file:write_file(AppName, Script) of + ok -> + ok; + {error, WriteError} -> + ?ERROR("Failed to write ~p script: ~p\n", [AppName, WriteError]), + ?FAIL + end; + {error, ZipError} -> + ?ERROR("Failed to construct ~p escript: ~p\n", [AppName, ZipError]), + ?FAIL + end, + + %% Finally, update executable perms for our script + [] = os:cmd(?FMT("chmod u+x ~p", [AppName])), + ok. + |