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-rw-r--r--lib/reltool/bin/reltool.escript245
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diff --git a/lib/reltool/bin/reltool.escript b/lib/reltool/bin/reltool.escript
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+#!/usr/bin/env escript
+%% -*- erlang -*-
+%%
+%% %CopyrightBegin%
+%%
+%% Copyright Ericsson AB 2009. All Rights Reserved.
+%%
+%% The contents of this file are subject to the Erlang Public License,
+%% Version 1.1, (the "License"); you may not use this file except in
+%% compliance with the License. You should have received a copy of the
+%% Erlang Public License along with this software. If not, it can be
+%% retrieved online at http://www.erlang.org/.
+%%
+%% Software distributed under the License is distributed on an "AS IS"
+%% basis, WITHOUT WARRANTY OF ANY KIND, either express or implied. See
+%% the License for the specific language governing rights and limitations
+%% under the License.
+%%
+%% %CopyrightEnd%
+
+-include_lib("reltool/src/reltool.hrl").
+
+main(Args) ->
+ process_flag(trap_exit, true),
+ try
+ Tokens = scan_args(Args, [], []),
+ {Options, Actions} = parse_args(Tokens, []),
+ case invoke(Options, Actions) of
+ ok ->
+ erlang:halt(0);
+ {error, ReasonString} ->
+ fatal_error(ReasonString, 2)
+ end
+ catch
+ throw:usage ->
+ usage(),
+ erlang:halt(1);
+ exit:Reason ->
+ String = lists:flatten(io_lib:format("EXIT: ~p", [Reason])),
+ fatal_error(String, 3)
+ end.
+
+usage() ->
+ Usage =
+ [
+ "[Config] [--window]",
+ "[Config] --create_config [-defaults] [-derived] [ConfigFile]",
+ "[Config] --create_rel RelName [RelFile]",
+ "[Config] --create_script RelName [ScriptFile]",
+ "[Config] --create_target TargetDir",
+ "[Config] --create_target_spec [SpecFile]",
+ "[Config] --eval_target_spec Spec TargetDir RootDir"
+ ],
+ Script = script_name(),
+ String = lists:flatten([[Script, " ", U, "\n"] || U <- Usage]),
+ io:format("Erlang/OTP release management tool\n\n"
+ "~s\nConfig = ConfigFile | '{sys, [sys()]}'\n"
+ "Spec = SpecFile | '{spec, [target_spec()}']\n\n"
+ "See User's guide and Reference manual for more info.\n",
+ [String]).
+
+invoke(Options, Actions) ->
+ case Actions of
+ [] ->
+ invoke(Options, [["--window"]]);
+ [["--window"]] ->
+ start_window(Options);
+ [["--create_config" | OptArgs]] ->
+ DefArg = "-defaults",
+ DerivArg = "-derived",
+ InclDef = lists:member(DefArg, OptArgs),
+ InclDeriv = lists:member(DerivArg, OptArgs),
+ case reltool:get_config(Options, InclDef, InclDeriv) of
+ {ok, Config} ->
+ String = pretty("config", Config),
+ case OptArgs -- [DefArg, DerivArg] of
+ [] ->
+ format("~s", [String]);
+ [ConfigFile] ->
+ write_file(ConfigFile, String);
+ _ ->
+ throw(usage)
+ end;
+ {error, Reason} ->
+ {error, Reason}
+ end;
+ [["--create_rel", RelName | OptArgs]] ->
+ case reltool:get_rel(Options, RelName) of
+ {ok, Rel} ->
+ String = pretty("rel", Rel),
+ case OptArgs of
+ [] ->
+ format("~s", [String]);
+ [RelFile] ->
+ write_file(RelFile, String);
+ _ ->
+ throw(usage)
+ end;
+ {error, Reason} ->
+ {error, Reason}
+ end;
+ [["--create_script", RelName | OptArgs]] ->
+ case reltool:get_script(Options, RelName) of
+ {ok, Script} ->
+ String = pretty("script", Script),
+ case OptArgs of
+ [] ->
+ format("~s", [String]);
+ [ScriptFile] ->
+ write_file(ScriptFile, String);
+ _ ->
+ throw(usage)
+ end;
+ {error, Reason} ->
+ {error, Reason}
+ end;
+ [["--create_target", TargetDir]] ->
+ reltool:create_target(Options, TargetDir);
+ [["--create_target_spec" | OptArgs]] ->
+ case reltool:get_target_spec(Options) of
+ {ok, Script} ->
+ String = pretty("target_spec", Script),
+ case OptArgs of
+ [] ->
+ format("~s", [String]);
+ [SpecFile] ->
+ write_file(SpecFile, String);
+ _ ->
+ throw(usage)
+ end;
+ {error, Reason} ->
+ {error, Reason}
+ end;
+ [["--eval_target_spec", TargetSpec, TargetDir, RootDir]] ->
+ try
+ {ok, Tokens, _} = erl_scan:string(TargetSpec ++ ". "),
+ {ok, {spec, Spec}} = erl_parse:parse_term(Tokens),
+ reltool:eval_target_spec(Spec, TargetDir, RootDir)
+ catch
+ error:{badmatch, _} ->
+ case file:consult(TargetSpec) of
+ {ok, Spec2} ->
+ reltool:eval_target_spec(Spec2, TargetDir, RootDir);
+ {error, Reason} ->
+ Text = file:format_error(Reason),
+ {error, TargetSpec ++ ": " ++ Text}
+ end
+ end;
+ _ ->
+ throw(usage)
+ end.
+
+start_window(Options) ->
+ case reltool:start_link(Options) of
+ {ok, WinPid} ->
+ receive
+ {'EXIT', WinPid, shutdown} ->
+ ok;
+ {'EXIT', WinPid, normal} ->
+ ok;
+ {'EXIT', WinPid, Reason} ->
+ exit(Reason)
+ end;
+ {error, Reason} ->
+ {error, Reason}
+ end.
+
+%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
+%% Helpers
+%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
+
+script_name() ->
+ filename:basename(escript:script_name(), ".escript").
+
+fatal_error(String, Code) ->
+ io:format(standard_error, "~s: ~s\n", [script_name(), String]),
+ erlang:halt(Code).
+
+write_file(File, IoList) ->
+ case file:write_file(File, IoList) of
+ ok ->
+ ok;
+ {error, Reason} ->
+ {error, file:format_error(Reason)}
+ end.
+
+format(Format, Args) ->
+ io:format(Format, Args),
+ %% Wait a while for the I/O to be processed
+ timer:sleep(timer:seconds(1)).
+
+pretty(Tag, Term) ->
+ lists:flatten(io_lib:format("%% ~s generated at ~w ~w\n~p.\n\n",
+ [Tag, date(), time(), Term])).
+
+scan_args([H | T], Single, Multi) ->
+ case H of
+ "--" ++ _ when Single =:= [] ->
+ scan_args(T, [H], Multi);
+ "--" ++ _ ->
+ scan_args(T, [H], [lists:reverse(Single) | Multi]);
+ _ ->
+ scan_args(T, [H | Single], Multi)
+ end;
+scan_args([], [], Multi) ->
+ lists:reverse(Multi);
+scan_args([], Single, Multi) ->
+ lists:reverse([lists:reverse(Single) | Multi]).
+
+parse_args([H | T] = Args, Options) ->
+ case H of
+ ["--wx_debug" | Levels] ->
+ Dbg =
+ fun(L) ->
+ case catch list_to_integer(L) of
+ {'EXIT', _} ->
+ case catch list_to_atom(L) of
+ {'EXIT', _} ->
+ exit("Illegal wx debug level: " ++ L);
+ Atom ->
+ Atom
+ end;
+ Int ->
+ Int
+ end
+ end,
+ Levels2 = lists:map(Dbg, Levels),
+ parse_args(T, [{wx_debug, Levels2} | Options]);
+ ["--" ++ _ | _] ->
+ %% No more options
+ {lists:reverse(Options), Args};
+ [Config] ->
+ try
+ {ok, Tokens, _} = erl_scan:string(Config ++ ". "),
+ {ok, {sys, _} = Sys} = erl_parse:parse_term(Tokens),
+ parse_args(T, [{config, Sys} | Options])
+ catch
+ error:{badmatch, _} ->
+ parse_args(T, [{config, Config} | Options]);
+ X:Y ->
+ io:format("\n\n~p\n\n", [{X, Y}])
+ end
+ end;
+parse_args([], Options) ->
+ {lists:reverse(Options), []}.