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395 Zeilen
18 KiB
395 Zeilen
18 KiB
%% -*- erlang-indent-level: 4;indent-tabs-mode: nil -*-
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%% ex: ts=4 sw=4 et
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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_prv_install_deps).
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-behaviour(provider).
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-export([init/1,
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do/1,
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format_error/1]).
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-include("rebar.hrl").
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-export([handle_deps/2,
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handle_deps/3]).
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-define(PROVIDER, install_deps).
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-define(DEPS, [app_discovery]).
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-type src_dep() :: {atom(), string(), {atom(), string(), string()}}.
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-type pkg_dep() :: {atom(), binary()} | atom().
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-type dep() :: src_dep() | pkg_dep().
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%% ===================================================================
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%% Public API
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%% ===================================================================
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-spec init(rebar_state:t()) -> {ok, rebar_state:t()}.
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init(State) ->
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State1 = rebar_state:add_provider(State, providers:create([{name, ?PROVIDER},
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{module, ?MODULE},
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{bare, true},
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{deps, ?DEPS},
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{example, undefined},
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{short_desc, "Install dependencies"},
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{desc, info("Install dependencies")},
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{opts, []}])),
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{ok, State1}.
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-spec do(rebar_state:t()) -> {ok, rebar_state:t()} | {error, string()}.
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do(State) ->
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Profile = rebar_state:current_profile(State),
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ProjectApps = rebar_state:project_apps(State),
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try
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{ok, SrcApps, State1} = case rebar_state:get(State, locks, []) of
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[] ->
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handle_deps(State, rebar_state:get(State, {deps, Profile}, []));
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Locks ->
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handle_deps(State, Locks)
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end,
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Source = ProjectApps ++ SrcApps,
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case rebar_digraph:compile_order(Source) of
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{ok, Sort} ->
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{ok, rebar_state:set(State1, deps_to_build,
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lists:dropwhile(fun rebar_app_info:valid/1, Sort -- ProjectApps))};
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{error, Error} ->
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{error, Error}
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end
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catch
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%% maybe_fetch will maybe_throw an exception to break out of some loops
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_:Reason ->
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{error, Reason}
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end.
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-spec format_error(any()) -> iolist().
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format_error(Reason) ->
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io_lib:format("~p", [Reason]).
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-spec handle_deps(rebar_state:t(), [dep()]) -> {ok, rebar_state:t()}.
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handle_deps(State, Deps) ->
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handle_deps(State, Deps, false).
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-spec handle_deps(rebar_state:t(), [dep()], boolean() | {true, binary(), integer()})
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-> {ok, rebar_state:t()} | {error, string()}.
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handle_deps(State, [], _) ->
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{ok, State};
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handle_deps(State, Deps, Update) ->
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%% Read in package index and dep graph
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{Packages, Graph} = rebar_packages:get_packages(State),
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%% Split source deps from pkg deps, needed to keep backwards compatibility
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DepsDir = rebar_utils:deps_dir(State),
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{SrcDeps, PkgDeps} = parse_deps(State, DepsDir, Deps),
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%% Fetch transitive src deps
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{State1, SrcApps, PkgDeps1, Seen} =
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update_src_deps(0, SrcDeps, PkgDeps, [], State, Update, sets:new()),
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{Solved, State2} = case PkgDeps1 of
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[] -> %% No pkg deps
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{[], State1};
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PkgDeps2 ->
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%% Find pkg deps needed
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S = case rebar_digraph:cull_deps(Graph, PkgDeps2) of
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{ok, []} ->
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throw({rebar_digraph, no_solution});
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{ok, Solution} ->
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Solution;
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[] ->
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throw({rebar_digraph, no_solution})
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end,
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update_pkg_deps(S, Packages, Update, Seen, State1)
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end,
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AllDeps = lists:ukeymerge(2
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,lists:ukeysort(2, SrcApps)
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,lists:ukeysort(2, Solved)),
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%% Sort all apps to build order
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State3 = rebar_state:all_deps(State2, AllDeps),
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{ok, SrcApps, State3}.
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%% ===================================================================
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%% Internal functions
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%% ===================================================================
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update_pkg_deps(Pkgs, Packages, Update, Seen, State) ->
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%% Create app_info record for each pkg dep
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DepsDir = rebar_utils:deps_dir(State),
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{Solved, _, State1}
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= lists:foldl(fun(Pkg, {Acc, SeenAcc, StateAcc}) ->
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AppInfo = package_to_app(DepsDir
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,Packages
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,Pkg),
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{SeenAcc1, StateAcc1} = maybe_lock(AppInfo, SeenAcc, StateAcc),
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case maybe_fetch(StateAcc1, AppInfo, Update, SeenAcc) of
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true ->
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{[AppInfo | Acc], SeenAcc1, StateAcc1};
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false ->
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{Acc, SeenAcc1, StateAcc1}
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end
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end, {[], Seen, State}, Pkgs),
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{Solved, State1}.
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maybe_lock(AppInfo, Seen, State) ->
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Name = rebar_app_info:name(AppInfo),
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case sets:is_element(Name, Seen) of
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false ->
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{sets:add_element(Name, Seen),
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rebar_state:lock(State, AppInfo)};
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true ->
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{sets:add_element(Name, Seen), State}
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end.
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package_to_app(DepsDir, Packages, {Name, Vsn}) ->
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case dict:find({Name, Vsn}, Packages) of
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error ->
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{error, missing_package};
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{ok, P} ->
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PkgDeps = proplists:get_value(<<"deps">>, P, []),
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Link = proplists:get_value(<<"link">>, P, ""),
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{ok, AppInfo} = rebar_app_info:new(Name, Vsn),
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AppInfo1 = rebar_app_info:deps(AppInfo, PkgDeps),
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AppInfo2 = rebar_app_info:dir(AppInfo1, rebar_utils:deps_dir(DepsDir, Name)),
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rebar_app_info:source(AppInfo2, {pkg, Name, Vsn, Link})
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end.
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-spec update_src_deps(integer(), list(), list(), list(), rebar_state:t(), boolean(), sets:set(binary())) ->
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{rebar_state:t(), [binary()]}.
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update_src_deps(Level, SrcDeps, PkgDeps, SrcApps, State, Update, Seen) ->
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case lists:foldl(fun(AppInfo, {SrcDepsAcc, PkgDepsAcc, SrcAppsAcc, StateAcc, SeenAcc}) ->
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%% If not seen, add to list of locks to write out
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{SeenAcc1, StateAcc1} = maybe_lock(AppInfo, SeenAcc, StateAcc),
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{SrcDepsAcc1, PkgDepsAcc1, SrcAppsAcc1, StateAcc2} =
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case Update of
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{true, UpdateName, UpdateLevel} ->
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handle_update(AppInfo
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,UpdateName
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,UpdateLevel
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,SrcDepsAcc
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,PkgDepsAcc
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,SrcAppsAcc
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,Level
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,StateAcc1);
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_ ->
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maybe_fetch(StateAcc, AppInfo, false, SeenAcc),
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handle_dep(AppInfo
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,SrcDepsAcc
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,PkgDepsAcc
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,SrcAppsAcc
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,Level
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,StateAcc1)
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end,
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{SrcDepsAcc1, PkgDepsAcc1, SrcAppsAcc1, StateAcc2, SeenAcc1}
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end, {[], PkgDeps, SrcApps, State, Seen}, SrcDeps) of
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{[], NewPkgDeps, NewSrcApps, State1, Seen1} ->
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{State1, NewSrcApps, NewPkgDeps, Seen1};
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{NewSrcDeps, NewPkgDeps, NewSrcApps, State1, Seen1} ->
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update_src_deps(Level+1, NewSrcDeps, NewPkgDeps, NewSrcApps, State1, Update, Seen1)
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end.
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handle_update(AppInfo, UpdateName, UpdateLevel, SrcDeps, PkgDeps, SrcApps, Level, State) ->
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Name = rebar_app_info:name(AppInfo),
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Locks = rebar_state:get(State, locks, []),
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{_, _, _, DepLevel} = lists:keyfind(Name, 1, Locks),
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case UpdateLevel < DepLevel
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orelse Name =:= UpdateName of
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true ->
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case maybe_fetch(State, AppInfo, true, []) of
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true ->
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handle_dep(AppInfo
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,SrcDeps
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,PkgDeps
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,SrcApps
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,Level
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,State);
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false ->
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{SrcDeps, PkgDeps, SrcApps, State}
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end;
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false ->
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{SrcDeps, PkgDeps, SrcApps, State}
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end.
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handle_dep(AppInfo, SrcDeps, PkgDeps, SrcApps, Level, State) ->
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DepsDir = rebar_utils:deps_dir(State),
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{AppInfo1, NewSrcDeps, NewPkgDeps} =
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handle_dep(State, DepsDir, AppInfo),
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AppInfo2 = rebar_app_info:dep_level(AppInfo1, Level),
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{NewSrcDeps ++ SrcDeps
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,NewPkgDeps++PkgDeps
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,[AppInfo2 | SrcApps]
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,State}.
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-spec handle_dep(rebar_state:t(), file:filename_all(), rebar_app_info:t()) ->
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{rebar_app_info:t(), [rebar_app_info:t()], [pkg_dep()]}.
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handle_dep(State, DepsDir, AppInfo) ->
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Profile = rebar_state:current_profile(State),
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C = rebar_config:consult(rebar_app_info:dir(AppInfo)),
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S = rebar_state:new(rebar_state:new(), C, rebar_app_info:dir(AppInfo)),
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S1 = rebar_state:apply_profile(S, Profile),
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Deps = case Profile of
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default ->
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rebar_state:get(S1, {deps, Profile}, []);
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_ ->
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rebar_state:get(S1, {deps, default}, []) ++
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rebar_state:get(S1, {deps, Profile}, [])
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end,
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AppInfo1 = rebar_app_info:deps(AppInfo, rebar_state:deps_names(Deps)),
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{SrcDeps, PkgDeps} = parse_deps(State, DepsDir, Deps),
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{AppInfo1, SrcDeps, PkgDeps}.
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-spec maybe_fetch(rebar_state:t(), rebar_app_info:t(), boolean() | {true, binary(), integer()},
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sets:set(binary())) -> boolean().
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maybe_fetch(State, AppInfo, Update, Seen) ->
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AppDir = ec_cnv:to_list(rebar_app_info:dir(AppInfo)),
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DefaultProfileDeps = rebar_utils:default_profile_deps(State),
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Apps = rebar_app_discover:find_apps(["_checkouts", DefaultProfileDeps], all),
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case rebar_app_utils:find(rebar_app_info:name(AppInfo), Apps) of
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{ok, _} ->
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%% Don't fetch dep if it exists in the _checkouts dir
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false;
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error ->
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Exists = case rebar_app_utils:is_app_dir(filename:absname(AppDir)++"-*") of
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{true, _} ->
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true;
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_ ->
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case rebar_app_utils:is_app_dir(filename:absname(AppDir)) of
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{true, _} ->
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true;
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_ ->
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false
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end
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end,
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case not Exists orelse Update of
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true ->
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?INFO("Fetching ~s", [rebar_app_info:name(AppInfo)]),
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Source = rebar_app_info:source(AppInfo),
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case rebar_fetch:download_source(AppDir, Source) of
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{error, Reason} ->
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throw(Reason);
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Result ->
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Result
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end;
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_ ->
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case sets:is_element(rebar_app_info:name(AppInfo), Seen) of
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true ->
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false;
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false ->
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Source = rebar_app_info:source(AppInfo),
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case rebar_fetch:needs_update(AppDir, Source) of
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true ->
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?INFO("Updating ~s", [rebar_app_info:name(AppInfo)]),
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case rebar_fetch:download_source(AppDir, Source) of
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{error, Reason} ->
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throw(Reason);
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Result ->
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Result
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end;
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false ->
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false
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end
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end
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end
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end.
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-spec parse_deps(rebar_state:t(), binary(), [dep()]) -> {[rebar_app_info:t()], [pkg_dep()]}.
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parse_deps(State, DepsDir, Deps) ->
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lists:foldl(fun({Name, Vsn}, {SrcDepsAcc, PkgDepsAcc}) ->
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{SrcDepsAcc, [parse_goal(ec_cnv:to_binary(Name)
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,ec_cnv:to_binary(Vsn)) | PkgDepsAcc]};
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(Name, {SrcDepsAcc, PkgDepsAcc}) when is_atom(Name) ->
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{SrcDepsAcc, [ec_cnv:to_binary(Name) | PkgDepsAcc]};
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({Name, Vsn, Source}, {SrcDepsAcc, PkgDepsAcc}) when is_tuple (Source) ->
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Dep = new_dep(State, DepsDir, Name, Vsn, Source),
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{[Dep | SrcDepsAcc], PkgDepsAcc};
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({Name, Vsn, Source, _Level}, {SrcDepsAcc, PkgDepsAcc}) when is_tuple (Source) ->
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Dep = new_dep(State, DepsDir, Name, Vsn, Source),
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{[Dep | SrcDepsAcc], PkgDepsAcc}
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end, {[], []}, Deps).
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new_dep(State, DepsDir, Name, Vsn, Source) ->
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Dirs = [ec_cnv:to_list(filename:join(rebar_utils:default_profile_deps(State), Name)),
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ec_cnv:to_list(filename:join(DepsDir, Name))],
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{ok, Dep} = case ec_lists:search(fun(Dir) ->
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rebar_app_info:discover(Dir)
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end, Dirs) of
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{ok, App, _} ->
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{ok, App};
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not_found ->
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rebar_app_info:new(Name, Vsn, ec_cnv:to_list(filename:join(DepsDir, Name)))
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end,
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rebar_app_info:source(Dep, Source).
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-spec parse_goal(binary(), binary()) -> pkg_dep().
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parse_goal(Name, Constraint) ->
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case re:run(Constraint, "([^\\d]*)(\\d.*)", [{capture, [1,2], binary}]) of
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{match, [<<>>, Vsn]} ->
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{Name, Vsn};
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{match, [Op, Vsn]} ->
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{Name, Vsn, binary_to_atom(Op, utf8)};
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nomatch ->
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fail
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end.
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info(Description) ->
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io_lib:format("~s.~n"
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"~n"
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"Valid rebar.config options:~n"
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" ~p~n"
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" ~p~n",
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[
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Description,
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{deps_dir, "deps"},
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{deps,
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[app_name,
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{rebar, "1.0.*"},
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{rebar, ".*",
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{git, "git://github.com/rebar/rebar.git"}},
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{rebar, ".*",
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{git, "git://github.com/rebar/rebar.git", "Rev"}},
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{rebar, "1.0.*",
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{git, "git://github.com/rebar/rebar.git", {branch, "master"}}},
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{rebar, "1.0.0",
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{git, "git://github.com/rebar/rebar.git", {tag, "1.0.0"}}},
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{rebar, "",
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{git, "git://github.com/rebar/rebar.git", {branch, "master"}},
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[raw]},
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{app_name, ".*", {hg, "https://www.example.org/url"}},
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{app_name, ".*", {rsync, "Url"}},
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{app_name, ".*", {svn, "https://www.example.org/url"}},
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{app_name, ".*", {svn, "svn://svn.example.org/url"}},
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{app_name, ".*", {bzr, "https://www.example.org/url", "Rev"}},
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{app_name, ".*", {fossil, "https://www.example.org/url"}},
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{app_name, ".*", {fossil, "https://www.example.org/url", "Vsn"}},
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{app_name, ".*", {p4, "//depot/subdir/app_dir"}}]}
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]).
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