mirror of
https://github.com/correl/rebar.git
synced 2024-12-24 11:50:52 +00:00
Move command line handling funs into rebar.erl
This commit is contained in:
Tuncer Ayaz
parent
a3615a4b82
commit
d1ff83a898
2 changed files with 187 additions and 173 deletions
185
src/rebar.erl
185
src/rebar.erl
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@ -26,7 +26,16 @@
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%% -------------------------------------------------------------------
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-module(rebar).
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-export([main/1]).
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-export([main/1,
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help/0,
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parse_args/1,
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version/0]).
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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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main(Args) ->
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case catch(rebar_core:run(Args)) of
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@ -39,3 +48,177 @@ main(Args) ->
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io:format("Uncaught error in rebar_core: ~p\n", [Error]),
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halt(1)
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end.
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%%
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%% print help/usage string
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%%
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help() ->
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OptSpecList = option_spec_list(),
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getopt:usage(OptSpecList, "rebar",
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"[var=value,...] <command,...>",
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[{"var=value", "rebar global variables (e.g. force=1)"},
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{"command", "Command to run (e.g. compile)"}]).
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%%
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%% Parse command line arguments using getopt and also filtering out any
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%% key=value pairs. What's left is the list of commands to run
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%%
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parse_args(Args) ->
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%% Parse getopt options
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OptSpecList = option_spec_list(),
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case getopt:parse(OptSpecList, Args) of
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{ok, {Options, NonOptArgs}} ->
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%% Check options and maybe halt execution
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ok = show_info_maybe_halt(Options, NonOptArgs),
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%% Set global variables based on getopt options
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set_global_flag(Options, verbose),
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set_global_flag(Options, force),
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DefJobs = rebar_config:get_jobs(),
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case proplists:get_value(jobs, Options, DefJobs) of
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DefJobs ->
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ok;
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Jobs ->
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rebar_config:set_global(jobs, Jobs)
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end,
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%% Set the rebar config to use
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case proplists:get_value(config, Options) of
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undefined -> ok;
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Conf -> rebar_config:set_global(config, Conf)
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end,
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%% Filter all the flags (i.e. strings of form key=value) from the
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%% command line arguments. What's left will be the commands to run.
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filter_flags(NonOptArgs, []);
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{error, {Reason, Data}} ->
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?ERROR("Error: ~s ~p~n~n", [Reason, Data]),
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rebar:help(),
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halt(1)
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end.
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%%
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%% show version information and halt
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%%
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version() ->
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{ok, Vsn} = application:get_key(rebar, vsn),
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?CONSOLE("rebar version: ~s date: ~s vcs: ~s\n", [Vsn, ?BUILD_TIME, ?VCS_INFO]).
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%% ====================================================================
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%% Internal functions
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%% ====================================================================
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%%
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%% set global flag based on getopt option boolean value
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%%
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set_global_flag(Options, Flag) ->
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Value = case proplists:get_bool(Flag, Options) of
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true ->
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"1";
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false ->
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"0"
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end,
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rebar_config:set_global(Flag, Value).
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%%
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%% show info and maybe halt execution
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%%
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show_info_maybe_halt(Opts, NonOptArgs) ->
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false = show_info_maybe_halt(help, Opts, fun help/0),
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false = show_info_maybe_halt(commands, Opts, fun commands/0),
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false = show_info_maybe_halt(version, Opts, fun version/0),
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case NonOptArgs of
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[] ->
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?CONSOLE("No command to run specified!~n",[]),
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help(),
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halt(1);
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_ ->
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ok
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end.
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show_info_maybe_halt(O, Opts, F) ->
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case proplists:get_bool(O, Opts) of
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true ->
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F(),
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halt(0);
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false ->
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false
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end.
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%%
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%% print known commands
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%%
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commands() ->
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S = <<"
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dialyze Analyze with Dialyzer
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build-plt Build Dialyzer PLT
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check-plt Check Dialyzer PLT
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clean Clean
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compile Compile sources
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create template= [var=foo,...] Create skel based on template and vars
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create-app [appid=myapp] Create simple app skel
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create-node [nodeid=mynode] Create simple node skel
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list-templates List available templates
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doc Generate Erlang program documentation
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check-deps Display to be fetched dependencies
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get-deps Fetch dependencies
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update-deps Update fetched dependencies
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delete-deps Delete fetched dependencies
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generate [dump_spec=0/1] Build release with reltool
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eunit [suite=foo] Run eunit [test/foo_tests.erl] tests
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ct [suite=] [case=] Run common_test suites in ./test
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xref Run cross reference analysis
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help Show the program options
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version Show version information
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">>,
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io:put_chars(S),
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%% workaround to delay exit until all output is written
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timer:sleep(300).
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%%
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%% options accepted via getopt
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%%
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option_spec_list() ->
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Jobs = rebar_config:get_jobs(),
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JobsHelp = io_lib:format(
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"Number of concurrent workers a command may use. Default: ~B",
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[Jobs]),
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[
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%% {Name, ShortOpt, LongOpt, ArgSpec, HelpMsg}
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{help, $h, "help", undefined, "Show the program options"},
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{commands, $c, "commands", undefined, "Show available commands"},
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{verbose, $v, "verbose", undefined, "Be verbose about what gets done"},
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{version, $V, "version", undefined, "Show version information"},
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{force, $f, "force", undefined, "Force"},
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{jobs, $j, "jobs", integer, JobsHelp},
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{config, $C, "config", string, "Rebar config file to use"}
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].
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%%
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%% Seperate all commands (single-words) from flags (key=value) and store
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%% values into the rebar_config global storage.
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%%
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filter_flags([], Commands) ->
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lists:reverse(Commands);
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filter_flags([Item | Rest], Commands) ->
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case string:tokens(Item, "=") of
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[Command] ->
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filter_flags(Rest, [Command | Commands]);
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[KeyStr, Value] ->
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Key = list_to_atom(KeyStr),
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rebar_config:set_global(Key, Value),
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filter_flags(Rest, Commands);
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Other ->
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?CONSOLE("Ignoring command line argument: ~p\n", [Other]),
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filter_flags(Rest, Commands)
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end.
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@ -47,12 +47,12 @@
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%% ===================================================================
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run(["help"]) ->
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help(),
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rebar:help(),
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ok;
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run(["version"]) ->
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%% Load application spec and display vsn and build time info
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ok = application:load(rebar),
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version(),
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rebar:version(),
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ok;
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run(RawArgs) ->
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%% Pre-load the rebar app so that we get default configuration
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@ -60,7 +60,7 @@ run(RawArgs) ->
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%% Parse out command line arguments -- what's left is a list of commands to
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%% run
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Commands = parse_args(RawArgs),
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Commands = rebar:parse_args(RawArgs),
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%% Make sure crypto is running
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ok = crypto:start(),
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@ -110,175 +110,6 @@ skip_dirs() ->
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%% Internal functions
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%% ===================================================================
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%%
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%% Parse command line arguments using getopt and also filtering out any
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%% key=value pairs. What's left is the list of commands to run
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%%
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parse_args(Args) ->
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%% Parse getopt options
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OptSpecList = option_spec_list(),
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case getopt:parse(OptSpecList, Args) of
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{ok, {Options, NonOptArgs}} ->
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%% Check options and maybe halt execution
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ok = show_info_maybe_halt(Options, NonOptArgs),
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%% Set global variables based on getopt options
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set_global_flag(Options, verbose),
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set_global_flag(Options, force),
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DefJobs = rebar_config:get_jobs(),
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case proplists:get_value(jobs, Options, DefJobs) of
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DefJobs ->
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ok;
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Jobs ->
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rebar_config:set_global(jobs, Jobs)
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end,
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%% Set the rebar config to use
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case proplists:get_value(config, Options) of
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undefined -> ok;
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Conf -> rebar_config:set_global(config, Conf)
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end,
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%% Filter all the flags (i.e. strings of form key=value) from the
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%% command line arguments. What's left will be the commands to run.
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filter_flags(NonOptArgs, []);
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{error, {Reason, Data}} ->
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?ERROR("Error: ~s ~p~n~n", [Reason, Data]),
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help(),
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halt(1)
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end.
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%%
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%% set global flag based on getopt option boolean value
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%%
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set_global_flag(Options, Flag) ->
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Value = case proplists:get_bool(Flag, Options) of
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true ->
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"1";
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false ->
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"0"
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end,
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rebar_config:set_global(Flag, Value).
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%%
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%% show info and maybe halt execution
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%%
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show_info_maybe_halt(Opts, NonOptArgs) ->
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false = show_info_maybe_halt(help, Opts, fun help/0),
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false = show_info_maybe_halt(commands, Opts, fun commands/0),
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false = show_info_maybe_halt(version, Opts, fun version/0),
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case NonOptArgs of
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[] ->
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?CONSOLE("No command to run specified!~n",[]),
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help(),
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halt(1);
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_ ->
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ok
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end.
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show_info_maybe_halt(O, Opts, F) ->
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case proplists:get_bool(O, Opts) of
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true ->
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F(),
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halt(0);
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false ->
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false
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end.
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%%
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%% print help/usage string
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%%
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help() ->
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OptSpecList = option_spec_list(),
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getopt:usage(OptSpecList, "rebar",
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"[var=value,...] <command,...>",
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[{"var=value", "rebar global variables (e.g. force=1)"},
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{"command", "Command to run (e.g. compile)"}]).
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%%
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%% print known commands
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%%
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commands() ->
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S = <<"
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dialyze Analyze with Dialyzer
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build-plt Build Dialyzer PLT
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check-plt Check Dialyzer PLT
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clean Clean
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compile Compile sources
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create template= [var=foo,...] Create skel based on template and vars
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create-app [appid=myapp] Create simple app skel
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create-node [nodeid=mynode] Create simple node skel
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list-templates List available templates
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doc Generate Erlang program documentation
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check-deps Display to be fetched dependencies
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get-deps Fetch dependencies
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update-deps Update fetched dependencies
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delete-deps Delete fetched dependencies
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generate [dump_spec=0/1] Build release with reltool
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eunit [suite=foo] Run eunit [test/foo_tests.erl] tests
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ct [suite=] [case=] Run common_test suites in ./test
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xref Run cross reference analysis
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help Show the program options
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version Show version information
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">>,
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io:put_chars(S),
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%% workaround to delay exit until all output is written
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timer:sleep(300).
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%%
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%% show version information and halt
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%%
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version() ->
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{ok, Vsn} = application:get_key(rebar, vsn),
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?CONSOLE("rebar version: ~s date: ~s vcs: ~s\n", [Vsn, ?BUILD_TIME, ?VCS_INFO]).
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%%
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%% options accepted via getopt
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%%
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option_spec_list() ->
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Jobs = rebar_config:get_jobs(),
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JobsHelp = io_lib:format(
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"Number of concurrent workers a command may use. Default: ~B",
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[Jobs]),
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[
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%% {Name, ShortOpt, LongOpt, ArgSpec, HelpMsg}
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{help, $h, "help", undefined, "Show the program options"},
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{commands, $c, "commands", undefined, "Show available commands"},
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{verbose, $v, "verbose", undefined, "Be verbose about what gets done"},
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{version, $V, "version", undefined, "Show version information"},
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{force, $f, "force", undefined, "Force"},
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{jobs, $j, "jobs", integer, JobsHelp},
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{config, $C, "config", string, "Rebar config file to use"}
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].
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%%
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%% Seperate all commands (single-words) from flags (key=value) and store
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%% values into the rebar_config global storage.
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%%
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filter_flags([], Commands) ->
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lists:reverse(Commands);
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filter_flags([Item | Rest], Commands) ->
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case string:tokens(Item, "=") of
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[Command] ->
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filter_flags(Rest, [Command | Commands]);
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[KeyStr, Value] ->
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Key = list_to_atom(KeyStr),
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rebar_config:set_global(Key, Value),
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filter_flags(Rest, Commands);
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Other ->
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?CONSOLE("Ignoring command line argument: ~p\n", [Other]),
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filter_flags(Rest, Commands)
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end.
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process_commands([]) ->
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case erlang:get(operations) of
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0 ->
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