mirror of
https://github.com/correl/rebar.git
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af305f2425
If you invoke 'make debug', then bootstrap executes rebar:main/1 with the extra argument "debug" and rebar treats that as a command. There is no such command. Without this patch you will see the following on bootstrap: Command 'debug' not understood or not applicable
119 lines
3.8 KiB
Erlang
Executable file
119 lines
3.8 KiB
Erlang
Executable file
#!/usr/bin/env escript
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%% -*- mode: erlang;erlang-indent-level: 4;indent-tabs-mode: nil -*-
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%% ex: ft=erlang ts=4 sw=4 et
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main(Args) ->
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%% Get a string repr of build time
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Built = build_time(),
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%% Get a string repr of first matching VCS changeset
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VcsInfo = vcs_info([{hg, ".hg", "hg identify -i", "hg status"},
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{git, ".git", "git describe --always --tags",
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"git status -s"}]),
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%% Check for force=1 flag to force a rebuild
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case lists:member("force=1", Args) of
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true ->
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rm("ebin/*.beam");
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false ->
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rm("ebin/rebar.beam")
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end,
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%% Add check for debug flag
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DebugFlag = case lists:member("debug", Args) of
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true -> debug_info;
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false -> undefined
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end,
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%% Extract the system info of the version of OTP we use to compile rebar
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OtpInfo = string:strip(erlang:system_info(otp_release), both, $\n),
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%% Compile all src/*.erl to ebin
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case make:files(filelib:wildcard("src/*.erl"),
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[{outdir, "ebin"}, {i, "include"},
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DebugFlag,
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{d, 'BUILD_TIME', Built},
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{d, 'VCS_INFO', VcsInfo},
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{d, 'OTP_INFO', OtpInfo}]) 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 compile to do proper .app validation etc.
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%% and rebar escriptize to create the rebar script
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RebarArgs = Args -- ["debug"], %% Avoid trying to run 'debug' command
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rebar:main(["compile", "escriptize"] ++ RebarArgs),
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%% Finally, update executable perms for our script on *nix,
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%% or write out script files on win32.
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case os:type() of
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{unix,_} ->
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[] = os:cmd("chmod u+x rebar"),
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ok;
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{win32,_} ->
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write_windows_scripts(),
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ok;
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_ ->
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ok
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end,
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%% Add a helpful message
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io:format("Congratulations! You now have a self-contained script called"
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" \"rebar\" in\n"
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"your current working directory. "
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"Place this script anywhere in your path\n"
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"and you can use rebar to build OTP-compliant apps.\n").
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rm(Path) ->
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NativePath = filename:nativename(Path),
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Cmd = case os:type() of
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{unix,_} -> "rm -f ";
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{win32,_} -> "del /q "
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end,
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[] = os:cmd(Cmd ++ NativePath),
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ok.
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build_time() ->
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{{Y, M, D}, {H, Min, S}} = calendar:now_to_universal_time(now()),
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lists:flatten(io_lib:format("~4..0w~2..0w~2..0w_~2..0w~2..0w~2..0w",
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[Y, M, D, H, Min, S])).
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vcs_info([]) ->
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"No VCS info available.";
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vcs_info([{Id, Dir, VsnCmd, StatusCmd} | Rest]) ->
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case filelib:is_dir(Dir) of
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true ->
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Vsn = string:strip(os:cmd(VsnCmd), both, $\n),
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Status = case string:strip(os:cmd(StatusCmd), both, $\n) of
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[] ->
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"";
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_ ->
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"-dirty"
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end,
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lists:concat([Id, " ", Vsn, Status]);
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false ->
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vcs_info(Rest)
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end.
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write_windows_scripts() ->
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CmdScript=
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"@echo off\r\n"
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"setlocal\r\n"
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"set rebarscript=%~f0\r\n"
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"escript.exe \"%rebarscript:.cmd=%\" %*\r\n",
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ok = file:write_file("rebar.cmd", CmdScript).
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