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Refactoring core logic in preparation for dependency mgmt; breaking out sub_dir determination into dedicated module
This commit is contained in:
Dave Smith
parent
ef67a3da3e
commit
2f64f0e6b2
3 changed files with 100 additions and 35 deletions
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@ -3,9 +3,10 @@
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{vsn, "2"},
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{modules, [ rebar,
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rebar_app_utils,
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rebar_config,
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rebar_config,
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rebar_core,
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rebar_ct,
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rebar_deps,
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rebar_erlc_compiler,
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rebar_escripter,
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rebar_eunit,
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@ -19,6 +20,7 @@
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rebar_port_compiler,
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rebar_rel_utils,
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rebar_reltool,
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rebar_subdirs,
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rebar_utils ]},
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{registered, []},
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{applications, [kernel,
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@ -28,18 +30,29 @@
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%% Default log level
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{log_level, error},
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%% Processing modules
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%% any_dir processing modules
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{any_dir_modules, [
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rebar_subdirs,
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rebar_deps
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]},
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%% Dir specific processing modules
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{modules, [
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{app_dir, [ rebar_protobuffs_compiler,
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rebar_erlc_compiler,
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rebar_lfe_compiler,
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rebar_erlydtl_compiler,
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rebar_port_compiler,
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rebar_otp_app,
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rebar_ct,
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rebar_eunit,
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rebar_escripter]},
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{rel_dir, [ rebar_reltool ]}
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{app_dir, [
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rebar_protobuffs_compiler,
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rebar_erlc_compiler,
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rebar_lfe_compiler,
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rebar_erlydtl_compiler,
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rebar_port_compiler,
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rebar_otp_app,
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rebar_ct,
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rebar_eunit,
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rebar_escripter
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]},
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{rel_dir, [
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rebar_reltool
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]}
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]}
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]}
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]}.
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@ -30,6 +30,7 @@
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-include("rebar.hrl").
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-ifndef(BUILD_TIME).
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-define(BUILD_TIME, "undefined").
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-endif.
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@ -92,35 +93,33 @@ filter_flags([Item | Rest], Commands) ->
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process_dir(Dir, ParentConfig, Commands) ->
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ok = file:set_cwd(Dir),
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Config = rebar_config:new(ParentConfig),
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%% Save the current code path and then update it with
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%% lib_dirs. Children inherit parents code path, but we
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%% also want to ensure that we restore everything to pristine
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%% condition after processing this child
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CurrentCodePath = update_code_path(Config),
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%% If there are any subdirs specified, process those first...
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case rebar_config:get(Config, sub_dirs, []) of
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[] ->
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ok;
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Subdirs ->
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%% Edge case: config is inherited, EXCEPT for sub_dir directives -- filter those out
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FilteredConfig = rebar_config:delete(Config, sub_dirs),
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[process_dir(filename:join(Dir, Subdir), FilteredConfig, Commands) ||
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Subdir <- Subdirs],
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ok = file:set_cwd(Dir)
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end,
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%% Get the list of processing modules and check each one against
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%% CWD to see if it's a fit -- if it is, use that set of modules
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%% to process this dir.
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{ok, AvailModuleSets} = application:get_env(rebar, modules),
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case choose_module_set(AvailModuleSets, Dir) of
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{ok, Modules, ModuleSetFile} ->
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apply_commands(Commands, Modules, Config, ModuleSetFile);
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none ->
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ok
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end,
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{DirModules, ModuleSetFile} = choose_module_set(AvailModuleSets, Dir),
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%% Get the list of modules for "any dir". This is a catch-all list of modules
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%% that are processed in addion to modules associated with this directory
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%5 type. These any_dir modules are processed FIRST.
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{ok, AnyDirModules} = application:get_env(rebar, any_dir_modules),
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Modules = AnyDirModules ++ DirModules,
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%% Give the modules a chance to tweak config and indicate if there
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%% are any other dirs that might need processing first.
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{UpdatedConfig, Dirs} = acc_modules(select_modules(Modules, preprocess, []),
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preprocess, Config, ModuleSetFile, []),
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[process_dir(D, UpdatedConfig, Commands) || D <- Dirs],
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%% Finally, process the current working directory
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apply_commands(Commands, Modules, UpdatedConfig, ModuleSetFile),
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%% Once we're all done processing, reset the code path to whatever
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%% the parent initialized it to
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@ -128,15 +127,15 @@ process_dir(Dir, ParentConfig, Commands) ->
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ok.
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%%
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%% Give a list of module sets from rebar.app and a directory, find
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%% Given a list of module sets from rebar.app and a directory, find
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%% the appropriate subset of modules for this directory
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%%
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choose_module_set([], _Dir) ->
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none;
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{[], undefined};
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choose_module_set([{Fn, Modules} | Rest], Dir) ->
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case ?MODULE:Fn(Dir) of
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{true, File} ->
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{ok, Modules, File};
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{Modules, File};
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false ->
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choose_module_set(Rest, Dir)
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end.
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@ -228,4 +227,13 @@ run_modules([Module | Rest], Command, Config, File) ->
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{error, Reason}
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end.
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acc_modules([], _Command, Config, _File, Acc) ->
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{Config, Acc};
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acc_modules([Module | Rest], Command, Config, File, Acc) ->
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case Module:Command(Config, File) of
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{ok, NewConfig, Result} when is_list(Result) ->
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List = Result;
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{ok, NewConfig, Result} ->
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List = [Result]
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end,
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acc_modules(Rest, Command, NewConfig, File, List ++ Acc).
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44
src/rebar_subdirs.erl
Normal file
44
src/rebar_subdirs.erl
Normal file
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@ -0,0 +1,44 @@
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%% -------------------------------------------------------------------
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%%
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%% rebar: Erlang Build Tools
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%%
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%% Copyright (c) 2009 Dave Smith (dizzyd@dizzyd.com)
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%%
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%% Permission is hereby granted, free of charge, to any person obtaining a copy
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%% of this software and associated documentation files (the "Software"), to deal
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%% in the Software without restriction, including without limitation the rights
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%% to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
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%% copies of the Software, and to permit persons to whom the Software is
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%% furnished to do so, subject to the following conditions:
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%%
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%% The above copyright notice and this permission notice shall be included in
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%% all copies or substantial portions of the Software.
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%%
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%% THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
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%% IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
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%% FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
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%% AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
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%% LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
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%% OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
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%% THE SOFTWARE.
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%% -------------------------------------------------------------------
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-module(rebar_subdirs).
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-include("rebar.hrl").
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-export([preprocess/2]).
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%% ===================================================================
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%% Public API
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%% ===================================================================
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preprocess(Config, _) ->
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%% Get the list of subdirs specified in the config (if any).
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Cwd = rebar_utils:get_cwd(),
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Subdirs = [filename:join(Cwd, Dir) || Dir <- rebar_config:get(Config, sub_dirs, [])],
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%% Filter out the subdirs from the config so that processing in the
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%% subdirs doesn't try to reprocess
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Config2 = rebar_config:delete(Config, sub_dirs),
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{ok, Config2, Subdirs}.
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