%% -*- erlang-indent-level: 4;indent-tabs-mode: nil -*- %% ex: ts=4 sw=4 et %% ------------------------------------------------------------------- %% %% rebar: Erlang Build Tools %% %% Copyright (c) 2009 Dave Smith (dizzyd@dizzyd.com) %% %% Permission is hereby granted, free of charge, to any person obtaining a copy %% of this software and associated documentation files (the "Software"), to deal %% in the Software without restriction, including without limitation the rights %% to use, copy, modify, merge, publish, distribute, sublicense, and/or sell %% copies of the Software, and to permit persons to whom the Software is %% furnished to do so, subject to the following conditions: %% %% The above copyright notice and this permission notice shall be included in %% all copies or substantial portions of the Software. %% %% THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR %% IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, %% FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE %% AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER %% LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, %% OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN %% THE SOFTWARE. %% ------------------------------------------------------------------- -module(rebar_prv_install_deps). -behaviour(provider). -export([init/1, do/1, format_error/1]). -include("rebar.hrl"). -include_lib("providers/include/providers.hrl"). -export([handle_deps/3, handle_deps/4, handle_deps/5]). -export_type([dep/0]). -define(PROVIDER, install_deps). -define(DEPS, [app_discovery]). -type src_dep() :: {atom(), {atom(), string(), string()}} | {atom(), string(), {atom(), string(), string()}}. -type pkg_dep() :: {atom(), binary()} | atom(). -type dep() :: src_dep() | pkg_dep(). %% =================================================================== %% Public API %% =================================================================== -spec init(rebar_state:t()) -> {ok, rebar_state:t()}. init(State) -> State1 = rebar_state:add_provider(State, providers:create([{name, ?PROVIDER}, {module, ?MODULE}, {bare, true}, {deps, ?DEPS}, {example, undefined}, {short_desc, ""}, {desc, ""}, {opts, []}])), {ok, State1}. -spec do(rebar_state:t()) -> {ok, rebar_state:t()} | {error, string()}. do(State) -> try ?INFO("Verifying dependencies...", []), Profiles = rebar_state:current_profiles(State), ProjectApps = rebar_state:project_apps(State), {Apps, State1} = lists:foldl(fun deps_per_profile/2, {[], State}, lists:reverse(Profiles)), Source = ProjectApps ++ Apps, case find_cycles(Source) of {cycles, Cycles} -> ?PRV_ERROR({cycles, Cycles}); {error, Error} -> {error, Error}; {no_cycle, Sorted} -> ToCompile = cull_compile(Sorted, ProjectApps), {ok, rebar_state:deps_to_build(State1, ToCompile)} end catch %% maybe_fetch will maybe_throw an exception to break out of some loops _:{error, Reason} -> {error, Reason} end. -spec format_error(any()) -> iolist(). format_error({load_registry_fail, Dep}) -> io_lib:format("Error loading registry to resolve version of ~s. Try fixing by running 'rebar3 update'", [Dep]); format_error({bad_constraint, Name, Constraint}) -> io_lib:format("Unable to parse version for package ~s: ~s", [Name, Constraint]); format_error({parse_dep, Dep}) -> io_lib:format("Failed parsing dep ~p", [Dep]); format_error({not_rebar_package, Package, Version}) -> io_lib:format("Package not buildable with rebar3: ~s-~s", [Package, Version]); format_error({missing_package, Package, Version}) -> io_lib:format("Package not found in registry: ~s-~s", [Package, Version]); format_error({cycles, Cycles}) -> Prints = [["applications: ", [io_lib:format("~s ", [Dep]) || Dep <- Cycle], "depend on each other~n"] || Cycle <- Cycles], ["Dependency cycle(s) detected:~n", Prints]; format_error(Reason) -> io_lib:format("~p", [Reason]). -spec handle_deps(atom(), rebar_state:t(), list()) -> {ok, [rebar_app_info:t()], rebar_state:t()} | {error, string()}. handle_deps(Profile, State, Deps) -> handle_deps(Profile, State, Deps, false, []). -spec handle_deps(atom(), rebar_state:t(), list(), list() | boolean()) -> {ok, [rebar_app_info:t()], rebar_state:t()} | {error, string()}. handle_deps(Profile, State, Deps, Upgrade) when is_boolean(Upgrade) -> handle_deps(Profile, State, Deps, Upgrade, []); handle_deps(Profile, State, Deps, Locks) when is_list(Locks) -> Upgrade = rebar_state:get(State, upgrade, false), handle_deps(Profile, State, Deps, Upgrade, Locks). -spec handle_deps(atom(), rebar_state:t(), list(), boolean() | {true, binary(), integer()}, list()) -> {ok, [rebar_app_info:t()], rebar_state:t()} | {error, string()}. handle_deps(_Profile, State, [], _, _) -> {ok, [], State}; handle_deps(Profile, State0, Deps, Upgrade, Locks) -> %% Split source deps from pkg deps, needed to keep backwards compatibility DepsDir = profile_dep_dir(State0, Profile), {SrcDeps, PkgDeps} = parse_deps(DepsDir, Deps, State0, Locks, 0), %% Fetch transitive src deps {State1, SrcApps, PkgDeps1, Seen} = update_src_deps(Profile, 0, SrcDeps, PkgDeps, [] ,State0, Upgrade, sets:new(), Locks), {Solved, State4} = case PkgDeps1 of [] -> {[], State1}; _ -> %% Read in package index and dep graph {Packages, Graph} = rebar_state:packages(State1), Registry = rebar_packages:registry(State1), State2 = rebar_state:packages(rebar_state:registry(State1, Registry) ,{Packages, Graph}), update_pkg_deps(Profile, Packages, PkgDeps1 ,Graph, Upgrade, Seen, State2, Locks) end, AllDeps = lists:ukeymerge(2 ,lists:ukeysort(2, SrcApps) ,lists:ukeysort(2, Solved)), State5 = rebar_state:update_all_deps(State4, AllDeps), CodePaths = [rebar_app_info:ebin_dir(A) || A <- AllDeps], State6 = rebar_state:update_code_paths(State5, all_deps, CodePaths), {ok, AllDeps, State6}. %% =================================================================== %% Internal functions %% =================================================================== deps_per_profile(Profile, {Apps, State}) -> Locks = rebar_state:get(State, {locks, Profile}, []), ProfileDeps = rebar_state:get(State, {deps, Profile}, []), {ok, NewApps, NewState} = handle_deps(Profile, State, ProfileDeps, Locks), {NewApps++Apps, NewState}. find_cycles(Apps) -> case rebar_digraph:compile_order(Apps) of {error, {cycles, Cycles}} -> {cycles, Cycles}; {error, Error} -> {error, Error}; {ok, Sorted} -> {no_cycle, Sorted} end. cull_compile(TopSortedDeps, ProjectApps) -> lists:dropwhile(fun not_needs_compile/1, TopSortedDeps -- ProjectApps). update_pkg_deps(Profile, Packages, PkgDeps, Graph, Upgrade, Seen, State, Locks) -> case PkgDeps of [] -> %% No pkg deps {[], State}; PkgDeps -> %% Find pkg deps needed S = case rebar_digraph:cull_deps(Graph, PkgDeps) of {ok, [], _} -> throw({rebar_digraph, no_solution}); {ok, Solution, []} -> Solution; {ok, Solution, Discarded} -> [warn_skip_pkg(Pkg, State) || Pkg <- Discarded, not(pkg_locked(Pkg, Locks))], Solution end, update_pkg_deps(Profile, S, Packages, Upgrade, Seen, State, Locks) end. pkg_locked({Name, _}, Locks) -> false =/= lists:keyfind(Name, 1, Locks). update_pkg_deps(Profile, Pkgs, Packages, Upgrade, Seen, State, _Locks) -> %% Create app_info record for each pkg dep DepsDir = profile_dep_dir(State, Profile), {Solved, _, State1} = lists:foldl(fun(Pkg, {Acc, SeenAcc, StateAcc}) -> handle_pkg_dep(Profile, Pkg, Packages, Upgrade, DepsDir, Acc, SeenAcc, StateAcc) end, {[], Seen, State}, Pkgs), {Solved, State1}. handle_pkg_dep(Profile, Pkg, Packages, Upgrade, DepsDir, Fetched, Seen, State) -> AppInfo = package_to_app(DepsDir, Packages, Pkg, State), Level = rebar_app_info:dep_level(AppInfo), {NewSeen, NewState} = maybe_lock(Profile, AppInfo, Seen, State, Level), {_, AppInfo1} = maybe_fetch(AppInfo, Profile, Upgrade, Seen, NewState), {[AppInfo1 | Fetched], NewSeen, NewState}. maybe_lock(Profile, AppInfo, Seen, State, Level) -> case rebar_app_info:is_checkout(AppInfo) of false -> case Profile of default -> Name = rebar_app_info:name(AppInfo), case sets:is_element(Name, Seen) of false -> Locks = rebar_state:lock(State), case lists:any(fun(App) -> rebar_app_info:name(App) =:= Name end, Locks) of true -> {sets:add_element(Name, Seen), State}; false -> {sets:add_element(Name, Seen), rebar_state:lock(State, rebar_app_info:dep_level(AppInfo, Level))} end; true -> {Seen, State} end; _ -> {Seen, State} end; true -> {Seen, State} end. package_to_app(DepsDir, Packages, {Name, Vsn, Level}, State) -> case dict:find({Name, Vsn}, Packages) of error -> case rebar_packages:check_registry(Name, Vsn, State) of true -> throw(?PRV_ERROR({not_rebar_package, Name, Vsn})); false -> throw(?PRV_ERROR({missing_package, Name, Vsn})) end; {ok, P} -> PkgDeps = [{PkgName, PkgVsn} || {PkgName,PkgVsn} <- proplists:get_value(<<"deps">>, P, [])], {ok, AppInfo} = rebar_app_info:new(Name, Vsn), AppInfo1 = rebar_app_info:deps(AppInfo, PkgDeps), AppInfo2 = rebar_app_info:dir(AppInfo1, filename:join([DepsDir, Name])), AppInfo3 = rebar_app_info:dep_level(AppInfo2, Level), rebar_app_info:source(AppInfo3, {pkg, Name, Vsn}) end. -spec update_src_deps(atom(), non_neg_integer(), list(), list(), list(), rebar_state:t(), boolean(), sets:set(binary()), list()) -> {rebar_state:t(), list(), list(), sets:set(binary())}. update_src_deps(Profile, Level, SrcDeps, PkgDeps, SrcApps, State, Upgrade, Seen, Locks) -> case lists:foldl( fun(AppInfo, {SrcDepsAcc, PkgDepsAcc, SrcAppsAcc, StateAcc, SeenAcc, LocksAcc}) -> update_src_dep(AppInfo, Profile, Level, SrcDepsAcc, PkgDepsAcc, SrcAppsAcc, StateAcc, Upgrade, SeenAcc, Locks, LocksAcc) end, {[], PkgDeps, SrcApps, State, Seen, Locks}, rebar_utils:sort_deps(SrcDeps)) of {[], NewPkgDeps, NewSrcApps, State1, Seen1, _NewLocks} -> {State1, NewSrcApps, NewPkgDeps, Seen1}; {NewSrcDeps, NewPkgDeps, NewSrcApps, State1, Seen1, NewLocks} -> update_src_deps(Profile, Level+1, NewSrcDeps, NewPkgDeps, NewSrcApps, State1, Upgrade, Seen1, NewLocks) end. update_src_dep(AppInfo, Profile, Level, SrcDeps, PkgDeps, SrcApps, State, Upgrade, Seen, BaseLocks, Locks) -> %% If not seen, add to list of locks to write out Name = rebar_app_info:name(AppInfo), case sets:is_element(Name, Seen) of true -> update_seen_src_dep(AppInfo, Profile, Level, SrcDeps, PkgDeps, SrcApps, State, Upgrade, Seen, BaseLocks, Locks); false -> update_unseen_src_dep(AppInfo, Profile, Level, SrcDeps, PkgDeps, SrcApps, State, Upgrade, Seen, Locks) end. profile_dep_dir(State, Profile) -> case Profile of default -> filename:join([rebar_dir:profile_dir(State, [default]), rebar_state:get(State, deps_dir, ?DEFAULT_DEPS_DIR)]); _ -> rebar_dir:deps_dir(State) end. update_seen_src_dep(AppInfo, Profile, Level, SrcDeps, PkgDeps, SrcApps, State, Upgrade, Seen, BaseLocks, Locks) -> Name = rebar_app_info:name(AppInfo), %% If seen from lock file or user requested an upgrade %% don't print warning about skipping case lists:keymember(Name, 1, BaseLocks) of false when Upgrade -> ok; false when not Upgrade -> warn_skip_deps(AppInfo, State); true -> ok end, %% scan for app children here if upgrading case Upgrade of false -> {SrcDeps, PkgDeps, SrcApps, State, Seen, Locks}; true -> {NewSrcDeps, NewPkgDeps, NewSrcApps, NewState, NewLocks} = handle_dep(AppInfo, Profile, SrcDeps, PkgDeps, SrcApps, Level, State, Locks), {NewSrcDeps, NewPkgDeps, NewSrcApps, NewState, Seen, NewLocks} end. update_unseen_src_dep(AppInfo, Profile, Level, SrcDeps, PkgDeps, SrcApps, State, Upgrade, Seen, Locks) -> {NewSeen, State1} = maybe_lock(Profile, AppInfo, Seen, State, Level), {NewSrcDeps, NewPkgDeps, NewSrcApps, State2, NewLocks} = case Upgrade of true -> handle_upgrade(AppInfo, Profile, SrcDeps, PkgDeps, SrcApps, Level, State1, Locks); _ -> {_, AppInfo1} = maybe_fetch(AppInfo, Profile, false, Seen, State1), handle_dep(AppInfo1, Profile, SrcDeps, PkgDeps, SrcApps, Level, State1, Locks) end, {NewSrcDeps, NewPkgDeps, NewSrcApps, State2, NewSeen, NewLocks}. handle_upgrade(AppInfo, Profile, SrcDeps, PkgDeps, SrcApps, Level, State, Locks) -> Name = rebar_app_info:name(AppInfo), case lists:keyfind(Name, 1, Locks) of false -> case maybe_fetch(AppInfo, Profile, true, sets:new(), State) of {true, AppInfo1} -> handle_dep(AppInfo1, Profile, SrcDeps, PkgDeps, SrcApps, Level, State, Locks); {false, AppInfo1} -> {[AppInfo1|SrcDeps], PkgDeps, SrcApps, State, Locks} end; _StillLocked -> {[AppInfo|SrcDeps], PkgDeps, SrcApps, State, Locks} end. handle_dep(AppInfo, Profile, SrcDeps, PkgDeps, SrcApps, Level, State, Locks) -> DepsDir = profile_dep_dir(State, Profile), {AppInfo1, NewSrcDeps, NewPkgDeps, NewLocks, State1} = handle_dep(State, DepsDir, AppInfo, Locks, Level), AppInfo2 = rebar_app_info:dep_level(AppInfo1, Level), {NewSrcDeps ++ SrcDeps ,NewPkgDeps++PkgDeps ,[AppInfo2 | SrcApps] ,State1 ,NewLocks}. -spec handle_dep(rebar_state:t(), file:filename_all(), rebar_app_info:t(), list(), integer()) -> {rebar_app_info:t(), [rebar_app_info:t()], [pkg_dep()], [integer()]}. handle_dep(State, DepsDir, AppInfo, Locks, Level) -> Profiles = rebar_state:current_profiles(State), Name = rebar_app_info:name(AppInfo), C = rebar_config:consult(rebar_app_info:dir(AppInfo)), S = rebar_app_info:state(AppInfo), S1 = rebar_state:new(S, C, rebar_app_info:dir(AppInfo)), S2 = rebar_state:apply_profiles(S1, Profiles), S3 = rebar_state:apply_overrides(S2, Name), AppInfo1 = rebar_app_info:state(AppInfo, S3), %% Dep may have plugins to install. Find and install here. State1 = rebar_plugins:handle_plugins(rebar_state:get(S3, plugins, []), State), Deps = rebar_state:get(S3, deps, []), %% Upgrade lock level to be the level the dep will have in this dep tree NewLocks = [{DepName, Source, LockLevel+Level} || {DepName, Source, LockLevel} <- rebar_state:get(S3, {locks, default}, [])], AppInfo2 = rebar_app_info:deps(AppInfo1, rebar_state:deps_names(Deps)), {SrcDeps, PkgDeps} = parse_deps(DepsDir, Deps, S3, Locks, Level+1), {AppInfo2, SrcDeps, PkgDeps, Locks++NewLocks, State1}. -spec maybe_fetch(rebar_app_info:t(), atom(), boolean(), sets:set(binary()), rebar_state:t()) -> {boolean(), rebar_app_info:t()}. maybe_fetch(AppInfo, Profile, Upgrade, Seen, State) -> AppDir = ec_cnv:to_list(rebar_app_info:dir(AppInfo)), %% Don't fetch dep if it exists in the _checkouts dir case rebar_app_info:is_checkout(AppInfo) of true -> {false, AppInfo}; false -> case rebar_app_discover:find_app(AppDir, all) of false -> case already_in_default(AppInfo, State) of false -> case fetch_app(AppInfo, AppDir, State) of true -> maybe_symlink_default(State, Profile, AppDir, AppInfo), {true, update_app_info(AppInfo)}; Other -> {Other, AppInfo} end; {true, FoundApp} -> %% Preserve the state we created with overrides AppState = rebar_app_info:state(AppInfo), FoundApp1 = rebar_app_info:state(FoundApp, AppState), symlink_dep(rebar_app_info:dir(FoundApp1), AppDir), {true, FoundApp1} end; {true, AppInfo1} -> %% Preserve the state we created with overrides AppState = rebar_app_info:state(AppInfo), AppInfo2 = rebar_app_info:state(AppInfo1, AppState), maybe_symlink_default(State, Profile, AppDir, AppInfo2), case sets:is_element(rebar_app_info:name(AppInfo), Seen) of true -> {false, AppInfo2}; false -> {maybe_upgrade(AppInfo, AppDir, Upgrade, State), AppInfo2} end end end. already_in_default(AppInfo, State) -> Name = ec_cnv:to_list(rebar_app_info:name(AppInfo)), DefaultAppDir = filename:join([rebar_state:get(State, base_dir, []), "default", "lib", Name]), rebar_app_discover:find_app(DefaultAppDir, all). needs_symlinking(State, Profile) -> case {rebar_state:current_profiles(State), Profile} of {[default], default} -> %% file will be in default already -- this is the only run we have false; {_, default} -> %% file fetched to default, needs to be linked to the current %% run's directory. true; _ -> %% File fetched to the right directory already false end. maybe_symlink_default(State, Profile, AppDir, AppInfo) -> case needs_symlinking(State, Profile) of true -> SymDir = filename:join([rebar_dir:deps_dir(State), rebar_app_info:name(AppInfo)]), symlink_dep(AppDir, SymDir), true; false -> false end. symlink_dep(From, To) -> ?INFO("Linking ~s to ~s", [From, To]), filelib:ensure_dir(To), rebar_file_utils:symlink_or_copy(From, To). -spec parse_deps(binary(), list(), rebar_state:t(), list(), integer()) -> {[rebar_app_info:t()], [pkg_dep()]}. parse_deps(DepsDir, Deps, State, Locks, Level) -> lists:foldl(fun(Dep, Acc) -> Name = case Dep of Dep when is_tuple(Dep) -> element(1, Dep); Dep -> Dep end, case lists:keyfind(ec_cnv:to_binary(Name), 1, Locks) of false -> parse_dep(Dep, Acc, DepsDir, State); LockedDep -> LockedLevel = element(3, LockedDep), case LockedLevel > Level of true -> parse_dep(Dep, Acc, DepsDir, State); false -> parse_dep(LockedDep, Acc, DepsDir, State) end end end, {[], []}, Deps). parse_dep({Name, Vsn}, {SrcDepsAcc, PkgDepsAcc}, DepsDir, State) when is_list(Vsn) -> CheckoutsDir = ec_cnv:to_list(rebar_dir:checkouts_dir(State, Name)), case rebar_app_info:discover(CheckoutsDir) of {ok, _App} -> Dep = new_dep(DepsDir, Name, [], [], State), {[Dep | SrcDepsAcc], PkgDepsAcc}; not_found -> {SrcDepsAcc, [parse_goal(ec_cnv:to_binary(Name) ,ec_cnv:to_binary(Vsn)) | PkgDepsAcc]} end; parse_dep(Name, {SrcDepsAcc, PkgDepsAcc}, DepsDir, State) when is_atom(Name) -> {PkgName, PkgVsn} = get_package(ec_cnv:to_binary(Name), State), CheckoutsDir = ec_cnv:to_list(rebar_dir:checkouts_dir(State, Name)), case rebar_app_info:discover(CheckoutsDir) of {ok, _App} -> Dep = new_dep(DepsDir, Name, [], [], State), {[Dep | SrcDepsAcc], PkgDepsAcc}; not_found -> {SrcDepsAcc, [{PkgName, PkgVsn} | PkgDepsAcc]} end; parse_dep({Name, Source}, {SrcDepsAcc, PkgDepsAcc}, DepsDir, State) when is_tuple(Source) -> Dep = new_dep(DepsDir, Name, [], Source, State), {[Dep | SrcDepsAcc], PkgDepsAcc}; parse_dep({Name, Source}, {SrcDepsAcc, PkgDepsAcc}, DepsDir, State) when is_tuple(Source) -> Dep = new_dep(DepsDir, Name, [], Source, State), {[Dep | SrcDepsAcc], PkgDepsAcc}; parse_dep({Name, _Vsn, Source}, {SrcDepsAcc, PkgDepsAcc}, DepsDir, State) when is_tuple(Source) -> Dep = new_dep(DepsDir, Name, [], Source, State), {[Dep | SrcDepsAcc], PkgDepsAcc}; parse_dep({Name, _Vsn, Source, Opts}, {SrcDepsAcc, PkgDepsAcc}, DepsDir, State) when is_tuple(Source) -> ?WARN("Dependency option list ~p in ~p is not supported and will be ignored", [Opts, Name]), Dep = new_dep(DepsDir, Name, [], Source, State), {[Dep | SrcDepsAcc], PkgDepsAcc}; parse_dep({_Name, {pkg, Name, Vsn}, Level}, {SrcDepsAcc, PkgDepsAcc}, DepsDir, State) when is_integer(Level) -> CheckoutsDir = ec_cnv:to_list(rebar_dir:checkouts_dir(State, Name)), case rebar_app_info:discover(CheckoutsDir) of {ok, _App} -> Dep = new_dep(DepsDir, Name, [], [], State), {[Dep | SrcDepsAcc], PkgDepsAcc}; not_found -> {SrcDepsAcc, [{Name, Vsn} | PkgDepsAcc]} end; parse_dep({Name, Source, Level}, {SrcDepsAcc, PkgDepsAcc}, DepsDir, State) when is_tuple(Source) , is_integer(Level) -> Dep = new_dep(DepsDir, Name, [], Source, State), {[Dep | SrcDepsAcc], PkgDepsAcc}; parse_dep(Dep, _, _, _) -> throw(?PRV_ERROR({parse_dep, Dep})). new_dep(DepsDir, Name, Vsn, Source, State) -> CheckoutsDir = ec_cnv:to_list(rebar_dir:checkouts_dir(State, Name)), {ok, Dep} = case rebar_app_info:discover(CheckoutsDir) of {ok, App} -> {ok, rebar_app_info:is_checkout(App, true)}; not_found -> Dir = ec_cnv:to_list(filename:join(DepsDir, Name)), case rebar_app_info:discover(Dir) of {ok, App} -> {ok, App}; not_found -> rebar_app_info:new(Name, Vsn, ec_cnv:to_list(filename:join(DepsDir, Name))) end end, C = rebar_config:consult(rebar_app_info:dir(Dep)), S = rebar_state:new(rebar_state:new(), C, rebar_app_info:dir(Dep)), Overrides = rebar_state:get(State, overrides, []), ParentOverrides = rebar_state:overrides(State), Dep1 = rebar_app_info:state(Dep, rebar_state:overrides(S, ParentOverrides++Overrides)), rebar_app_info:source(Dep1, Source). fetch_app(AppInfo, AppDir, State) -> ?INFO("Fetching ~s (~p)", [rebar_app_info:name(AppInfo), rebar_app_info:source(AppInfo)]), Source = rebar_app_info:source(AppInfo), case rebar_fetch:download_source(AppDir, Source, State) of true -> true; Error -> throw(Error) end. update_app_info(AppInfo) -> AppDetails = rebar_app_info:app_details(AppInfo), Applications = proplists:get_value(applications, AppDetails, []), IncludedApplications = proplists:get_value(included_applications, AppDetails, []), AppInfo1 = rebar_app_info:applications( rebar_app_info:app_details(AppInfo, AppDetails), IncludedApplications++Applications), rebar_app_info:valid(AppInfo1, false). maybe_upgrade(AppInfo, AppDir, Upgrade, State) -> Source = rebar_app_info:source(AppInfo), case rebar_fetch:needs_update(AppDir, Source, State) of true -> ?INFO("Upgrading ~s", [rebar_app_info:name(AppInfo)]), case rebar_fetch:download_source(AppDir, Source, State) of true -> true; Error -> throw(Error) end; false -> case Upgrade of true -> ?INFO("No upgrade needed for ~s", [rebar_app_info:name(AppInfo)]), false; false -> false end end. -spec parse_goal(binary(), binary()) -> pkg_dep(). parse_goal(Name, Constraint) -> case re:run(Constraint, "([^\\d]*)(\\d.*)", [{capture, [1,2], binary}]) of {match, [<<>>, Vsn]} -> {Name, Vsn}; {match, [Op, Vsn]} -> {Name, Vsn, binary_to_atom(Op, utf8)}; nomatch -> throw(?PRV_ERROR({bad_constraint, Name, Constraint})) end. warn_skip_deps(AppInfo, State) -> Msg = "Skipping ~s (from ~p) as an app of the same name " "has already been fetched", Args = [rebar_app_info:name(AppInfo), rebar_app_info:source(AppInfo)], case rebar_state:get(State, deps_error_on_conflict, false) of false -> ?WARN(Msg, Args); true -> ?ERROR(Msg, Args), ?FAIL end. warn_skip_pkg({Name, Source}, State) -> Msg = "Skipping ~s (version ~s from package index) as an app of the same " "name has already been fetched", Args = [Name, Source], case rebar_state:get(State, deps_error_on_conflict, false) of false -> ?WARN(Msg, Args); true -> ?ERROR(Msg, Args), ?FAIL end. not_needs_compile(App) -> not(rebar_app_info:is_checkout(App)) andalso rebar_app_info:valid(App). get_package(Dep, State) -> case rebar_state:registry(State) of {ok, T} -> {ok, HighestDepVsn} = rebar_packages:find_highest_matching(Dep, "0", T), {Dep, HighestDepVsn}; error -> throw(?PRV_ERROR({load_registry_fail, Dep})) end.