mirror of
https://github.com/correl/rebar.git
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54 lines
1.7 KiB
Text
54 lines
1.7 KiB
Text
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#!/usr/bin/env escript
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%% -*- erlang -*-
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main(Args) ->
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%% Compile all src/*.erl to ebin
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case make:files(filelib:wildcard("src/*.erl"), [{outdir, "ebin"}, {i, "include"}]) of
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up_to_date ->
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ok;
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error ->
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io:format("Failed to compile rebar files!\n"),
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halt(1)
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end,
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%% Make sure file:consult can parse the .app file
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case file:consult("ebin/rebar.app") of
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{ok, _} ->
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ok;
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{error, Reason} ->
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io:format("Invalid syntax in ebin/rebar.app: ~p\n", [Reason]),
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halt(1)
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end,
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%% Add ebin/ to our path
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true = code:add_path("ebin"),
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%% Run rebar to do proper .app validation and such
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rebar:main(["compile"] ++ Args),
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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 "rebar" file
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Script = <<"#!/usr/bin/env escript\n", ZipBin/binary>>,
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case file:write_file("rebar", Script) of
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ok ->
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ok;
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{error, WriteError} ->
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io:format("Failed to write rebar script: ~p\n", [WriteError]),
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halt(1)
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end;
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{error, ZipError} ->
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io:format("Failed to construct rebar script archive: ~p\n", [ZipError]),
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halt(1)
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end,
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%% Finally, update executable perms for our script
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[] = os:cmd("chmod u+x rebar").
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