Merge pull request #505 from tsloughter/plugins_provider

plugins provider

11 files changed, 470 insertions, 196 deletions

diff --git a/src/rebar.app.src b/src/rebar.app.src
index e9f0677..6d081a2 100644
--- a/src/rebar.app.src
+++ b/src/rebar.app.src
@@ -44,6 +44,8 @@
                      rebar_prv_lock,
                      rebar_prv_new,
                      rebar_prv_packages,
+                     rebar_prv_plugins,
+                     rebar_prv_plugins_upgrade,
                      rebar_prv_release,
                      rebar_prv_report,
                      rebar_prv_shell,
diff --git a/src/rebar3.erl b/src/rebar3.erl
index e324687..5c0559f 100644
--- a/src/rebar3.erl
+++ b/src/rebar3.erl
@@ -95,12 +95,12 @@ run_aux(State, RawArgs) ->
     %% Process each command, resetting any state between each one
     BaseDir = rebar_state:get(State, base_dir, ?DEFAULT_BASE_DIR),
     State3 = rebar_state:set(State2, base_dir,
-                            filename:join(filename:absname(rebar_state:dir(State2)), BaseDir)),
+                             filename:join(filename:absname(rebar_state:dir(State2)), BaseDir)),
 
     {ok, Providers} = application:get_env(rebar, providers),
     %% Providers can modify profiles stored in opts, so set default after initializing providers
     State4 = rebar_state:create_logic_providers(Providers, State3),
-    State5 = rebar_plugins:install(State4),
+    State5 = rebar_plugins:project_apps_install(State4),
     State6 = rebar_state:default(State5, rebar_state:opts(State5)),
 
     {Task, Args} = parse_args(RawArgs),
@@ -133,13 +133,14 @@ init_config() ->
 
                     %% We don't want to worry about global plugin install state effecting later
                     %% usage. So we throw away the global profile state used for plugin install.
-                    GlobalConfigThrowAway = rebar_state:current_profiles(GlobalConfig, ["global"]),
+                    GlobalConfigThrowAway = rebar_state:current_profiles(GlobalConfig, [global]),
                     GlobalState = rebar_plugins:handle_plugins(global,
                                                  rebar_state:get(GlobalConfigThrowAway, plugins, []),
                                                  GlobalConfigThrowAway),
                     GlobalPlugins = rebar_state:providers(GlobalState),
                     GlobalConfig2 = rebar_state:set(GlobalConfig, plugins, []),
-                    rebar_state:providers(rebar_state:new(GlobalConfig2, Config1), GlobalPlugins);
+                    GlobalConfig3 = rebar_state:set(GlobalConfig2, {plugins, global}, rebar_state:get(GlobalConfigThrowAway, plugins, [])),
+                    rebar_state:providers(rebar_state:new(GlobalConfig3, Config1), GlobalPlugins);
                 false ->
                     rebar_state:new(Config1)
             end,
diff --git a/src/rebar_dir.erl b/src/rebar_dir.erl
index cb643ab..e226633 100644
--- a/src/rebar_dir.erl
+++ b/src/rebar_dir.erl
@@ -35,6 +35,7 @@ base_dir(State) ->
 profile_dir(State, Profiles) ->
     {BaseDir, ProfilesStrings} = case [ec_cnv:to_list(P) || P <- Profiles] of
         ["global" | _] -> {?MODULE:global_cache_dir(State), [""]};
+        ["bootstrap", "default"] -> {rebar_state:get(State, base_dir, ?DEFAULT_BASE_DIR), ["default"]};
         ["default"] -> {rebar_state:get(State, base_dir, ?DEFAULT_BASE_DIR), ["default"]};
         %% drop `default` from the profile dir if it's implicit and reverse order
         %%  of profiles to match order passed to `as`
@@ -43,7 +44,6 @@ profile_dir(State, Profiles) ->
     ProfilesDir = string:join(ProfilesStrings, "+"),
     filename:join(BaseDir, ProfilesDir).
 
-
 -spec deps_dir(rebar_state:t()) -> file:filename_all().
 deps_dir(State) ->
     filename:join(base_dir(State), rebar_state:get(State, deps_dir, ?DEFAULT_DEPS_DIR)).
diff --git a/src/rebar_plugins.erl b/src/rebar_plugins.erl
index 88cb8b8..a267b9d 100644
--- a/src/rebar_plugins.erl
+++ b/src/rebar_plugins.erl
@@ -3,7 +3,10 @@
 
 -module(rebar_plugins).
 
--export([install/1, handle_plugins/2, handle_plugins/3]).
+-export([project_apps_install/1
+        ,install/1
+        ,handle_plugins/3
+        ,handle_plugins/4]).
 
 -include("rebar.hrl").
 
@@ -11,26 +14,35 @@
 %% Public API
 %% ===================================================================
 
--spec install(rebar_state:t()) -> rebar_state:t().
-install(State) ->
-    Plugins = rebar_state:get(State, plugins, []),
-
+-spec project_apps_install(rebar_state:t()) -> rebar_state:t().
+project_apps_install(State) ->
+    Profiles = rebar_state:current_profiles(State),
     ProjectApps = rebar_state:project_apps(State),
 
-    OtherPlugins = lists:flatmap(fun(App) ->
-                                         AppDir = rebar_app_info:dir(App),
-                                         C = rebar_config:consult(AppDir),
-                                         S = rebar_state:new(rebar_state:new(), C, AppDir),
-                                         rebar_state:get(S, plugins, [])
-                                 end, ProjectApps),
-
-    handle_plugins(Plugins++OtherPlugins, State).
+    lists:foldl(fun(Profile, StateAcc) ->
+                        Plugins = rebar_state:get(State, {plugins, Profile}, []),
+                        handle_plugins(Profile, Plugins, StateAcc),
+                        lists:foldl(fun(App, StateAcc1) ->
+                                              AppDir = rebar_app_info:dir(App),
+                                              C = rebar_config:consult(AppDir),
+                                              S = rebar_state:new(rebar_state:new(), C, AppDir),
+                                              Plugins2 = rebar_state:get(S, {plugins, Profile}, []),
+                                              handle_plugins(Profile, Plugins2, StateAcc1)
+                                      end, StateAcc, ProjectApps)
+                end, State, Profiles).
 
--spec handle_plugins([rebar_prv_install_deps:dep()], rebar_state:t()) -> rebar_state:t().
-handle_plugins(Plugins, State) ->
-    handle_plugins(default, Plugins, State).
+-spec install(rebar_state:t()) -> rebar_state:t().
+install(State) ->
+    Profiles = rebar_state:current_profiles(State),
+    lists:foldl(fun(Profile, StateAcc) ->
+                        Plugins = rebar_state:get(State, {plugins, Profile}, []),
+                        handle_plugins(Profile, Plugins, StateAcc)
+                end, State, Profiles).
 
 handle_plugins(Profile, Plugins, State) ->
+    handle_plugins(Profile, Plugins, State, false).
+
+handle_plugins(Profile, Plugins, State, Upgrade) ->
     %% Set deps dir to plugins dir so apps are installed there
     Locks = rebar_state:lock(State),
     DepsDir = rebar_state:get(State, deps_dir, ?DEFAULT_DEPS_DIR),
@@ -39,7 +51,7 @@ handle_plugins(Profile, Plugins, State) ->
     %% Install each plugin individually so if one fails to install it doesn't effect the others
     {PluginProviders, State2} =
         lists:foldl(fun(Plugin, {PluginAcc, StateAcc}) ->
-                            {NewPlugins, NewState} = handle_plugin(Profile, Plugin, StateAcc),
+                            {NewPlugins, NewState} = handle_plugin(Profile, Plugin, StateAcc, Upgrade),
                             {PluginAcc++NewPlugins, NewState}
                       end, {[], State1}, Plugins),
 
@@ -49,9 +61,9 @@ handle_plugins(Profile, Plugins, State) ->
 
     rebar_state:create_logic_providers(PluginProviders, State4).
 
-handle_plugin(Profile, Plugin, State) ->
+handle_plugin(Profile, Plugin, State, Upgrade) ->
     try
-        {ok, Apps, State2} = rebar_prv_install_deps:handle_deps(Profile, State, [Plugin]),
+        {ok, Apps, State2} = rebar_prv_install_deps:handle_deps(Profile, State, [Plugin], Upgrade),
         {no_cycle, Sorted} = rebar_prv_install_deps:find_cycles(Apps),
         ToBuild = rebar_prv_install_deps:cull_compile(Sorted, []),
 
diff --git a/src/rebar_prv_as.erl b/src/rebar_prv_as.erl
index d8f19d4..ead7b01 100644
--- a/src/rebar_prv_as.erl
+++ b/src/rebar_prv_as.erl
@@ -38,13 +38,14 @@ do(State) ->
             {error, "At least one profile must be specified when using `as`"};
         _  ->
             State1 = rebar_state:apply_profiles(State, [list_to_atom(X) || X <- Profiles]),
+            State2 = rebar_plugins:project_apps_install(State1),
             {FirstTask, FirstTaskArgs} = hd(Tasks),
             FirstTaskAtom = list_to_atom(FirstTask),
-            case rebar_core:process_namespace(State1, FirstTaskAtom) of
-                {ok, State2, NewTask} ->
+            case rebar_core:process_namespace(State2, FirstTaskAtom) of
+                {ok, State3, NewTask} ->
                     rebar_prv_do:do_tasks(
                         [{atom_to_list(NewTask),FirstTaskArgs}|tl(Tasks)],
-                        State2
+                        State3
                     );
                 {error, Reason} ->
                     {error, Reason}
diff --git a/src/rebar_prv_install_deps.erl b/src/rebar_prv_install_deps.erl
index 61bbb62..806293b 100644
--- a/src/rebar_prv_install_deps.erl
+++ b/src/rebar_prv_install_deps.erl
@@ -234,22 +234,26 @@ handle_pkg_dep(Profile, Pkg, Packages, Upgrade, DepsDir, Fetched, Seen, Locks, S
     BaseDir = rebar_state:get(State, base_dir, []),
     S1 = rebar_state:new(rebar_state:set(rebar_state:new(), base_dir, BaseDir),
                         C, rebar_app_info:dir(AppInfo1)),
-    S2 = rebar_state:apply_profiles(S1, Profiles),
-    S3 = rebar_state:apply_overrides(S2, Name),
-    AppInfo2 = rebar_app_info:state(AppInfo1, S3),
+    S2 = rebar_state:apply_overrides(S1, Name),
+
+    Plugins = rebar_state:get(S2, plugins, []),
+    S3 = rebar_state:set(S2, {plugins, Profile}, Plugins),
+
+    S4 = rebar_state:apply_profiles(S3, Profiles),
+    AppInfo2 = rebar_app_info:state(AppInfo1, S4),
 
     %% Dep may have plugins to install. Find and install here.
-    S4 = rebar_plugins:handle_plugins(rebar_state:get(S3, plugins, []), S3),
-    AppInfo3 = rebar_app_info:state(AppInfo2, S4),
+    S5 = rebar_plugins:install(S4),
+    AppInfo3 = rebar_app_info:state(AppInfo2, S5),
 
     {[AppInfo3 | Fetched], NewSeen, NewState}.
 
 maybe_lock(Profile, AppInfo, Seen, State, Level) ->
+    Name = rebar_app_info:name(AppInfo),
     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),
@@ -264,10 +268,10 @@ maybe_lock(Profile, AppInfo, Seen, State, Level) ->
                             {Seen, State}
                     end;
                 _ ->
-                    {Seen, State}
+                    {sets:add_element(Name, Seen), State}
             end;
         true ->
-            {Seen, State}
+            {sets:add_element(Name, Seen), State}
     end.
 
 package_to_app(DepsDir, Packages, {Name, Vsn, Level}, IsLock, State) ->
@@ -367,7 +371,6 @@ handle_upgrade(AppInfo, Profile, SrcDeps, PkgDeps, SrcApps, Level, State, Locks)
                 {true, AppInfo1} ->
                     handle_dep(AppInfo1, Profile, SrcDeps, PkgDeps, SrcApps,
                                Level, State, Locks);
-
                 {false, AppInfo1} ->
                     {[AppInfo1|SrcDeps], PkgDeps, SrcApps, State, Locks}
             end;
@@ -378,7 +381,7 @@ handle_upgrade(AppInfo, Profile, SrcDeps, PkgDeps, SrcApps, Level, State, Locks)
 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),
+        handle_dep(State, Profile, DepsDir, AppInfo, Locks, Level),
     AppInfo2 = rebar_app_info:dep_level(AppInfo1, Level),
     {NewSrcDeps ++ SrcDeps
     ,NewPkgDeps++PkgDeps
@@ -386,9 +389,9 @@ handle_dep(AppInfo, Profile, SrcDeps, PkgDeps, SrcApps, Level, State, Locks) ->
     ,State1
     ,NewLocks}.
 
--spec handle_dep(rebar_state:t(), file:filename_all(), rebar_app_info:t(), list(), integer()) ->
+-spec handle_dep(rebar_state:t(), atom(), 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) ->
+handle_dep(State, Profile, DepsDir, AppInfo, Locks, Level) ->
     Profiles = rebar_state:current_profiles(State),
     Name = rebar_app_info:name(AppInfo),
 
@@ -396,20 +399,24 @@ handle_dep(State, DepsDir, AppInfo, Locks, Level) ->
 
     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),
+    S2 = rebar_state:apply_overrides(S1, Name),
+
+    Plugins = rebar_state:get(S2, plugins, []),
+    S3 = rebar_state:set(S2, {plugins, Profile}, Plugins),
+
+    S4 = rebar_state:apply_profiles(S3, Profiles),
+    AppInfo1 = rebar_app_info:state(AppInfo, S4),
 
     %% Dep may have plugins to install. Find and install here.
-    S4 = rebar_plugins:handle_plugins(rebar_state:get(S3, plugins, []), S3),
-    AppInfo2 = rebar_app_info:state(AppInfo1, S4),
+    S5 = rebar_plugins:install(S4),
+    AppInfo2 = rebar_app_info:state(AppInfo1, S5),
 
     %% Upgrade lock level to be the level the dep will have in this dep tree
-    Deps = rebar_state:get(S4, deps, []),
+    Deps = rebar_state:get(S5, deps, []),
     NewLocks = [{DepName, Source, LockLevel+Level} ||
-                   {DepName, Source, LockLevel} <- rebar_state:get(S4, {locks, default}, [])],
+                   {DepName, Source, LockLevel} <- rebar_state:get(S5, {locks, default}, [])],
     AppInfo3 = rebar_app_info:deps(AppInfo2, rebar_state:deps_names(Deps)),
-    {SrcDeps, PkgDeps} = parse_deps(DepsDir, Deps, S4, Locks, Level+1),
+    {SrcDeps, PkgDeps} = parse_deps(DepsDir, Deps, S5, Locks, Level+1),
     {AppInfo3, SrcDeps, PkgDeps, Locks++NewLocks, State}.
 
 -spec maybe_fetch(rebar_app_info:t(), atom(), boolean(),
diff --git a/src/rebar_prv_plugins.erl b/src/rebar_prv_plugins.erl
new file mode 100644
index 0000000..328958e
--- /dev/null
+++ b/src/rebar_prv_plugins.erl
@@ -0,0 +1,67 @@
+-module(rebar_prv_plugins).
+
+-behaviour(provider).
+
+-export([init/1,
+         do/1,
+         format_error/1]).
+
+-include("rebar.hrl").
+-include_lib("providers/include/providers.hrl").
+
+-define(PROVIDER, list).
+-define(NAMESPACE, plugins).
+-define(DEPS, []).
+
+-spec init(rebar_state:t()) -> {ok, rebar_state:t()}.
+init(State) ->
+    State1 = rebar_state:add_provider(
+            State,
+            providers:create([
+                    {name, ?PROVIDER},
+                    {module, ?MODULE},
+                    {namespace, ?NAMESPACE},
+                    {bare, true},
+                    {deps, ?DEPS},
+                    {example, "rebar3 plugins list"},
+                    {short_desc, "List local and global plugins for this project"},
+                    {desc, "List local and global plugins for this project"},
+                    {opts, []}])),
+    {ok, State1}.
+
+-spec do(rebar_state:t()) -> {ok, rebar_state:t()} | {error, string()}.
+do(State) ->
+    GlobalConfigFile = rebar_dir:global_config(),
+    GlobalConfig = rebar_state:new(rebar_config:consult_file(GlobalConfigFile)),
+    GlobalPlugins = rebar_state:get(GlobalConfig, plugins, []),
+    GlobalPluginsDir = filename:join(rebar_dir:global_cache_dir(State), "plugins"),
+    display_plugins("Global plugins", GlobalPluginsDir, GlobalPlugins),
+
+    Plugins = rebar_state:get(State, plugins, []),
+    PluginsDir =rebar_dir:plugins_dir(State),
+    display_plugins("Local plugins", PluginsDir, Plugins),
+    {ok, State}.
+
+-spec format_error(any()) -> iolist().
+format_error(Reason) ->
+    io_lib:format("~p", [Reason]).
+
+display_plugins(_Header, _Dir, []) ->
+    ok;
+display_plugins(Header, Dir, Plugins) ->
+    ?CONSOLE("--- ~s ---", [Header]),
+    display_plugins(Dir, Plugins),
+    ?CONSOLE("", []).
+
+display_plugins(Dir, Plugins) ->
+    lists:foreach(fun(Plugin) ->
+                          Name = if is_atom(Plugin) -> Plugin;
+                                    is_tuple(Plugin) -> element(1, Plugin)
+                                 end,
+                          case rebar_app_info:discover(filename:join(Dir, Name)) of
+                              {ok, _App} ->
+                                  ?CONSOLE("~s", [Name]);
+                              not_found ->
+                                  ?DEBUG("Unable to find plugin ~s", [Name])
+                          end
+                  end, Plugins).
diff --git a/src/rebar_prv_plugins_upgrade.erl b/src/rebar_prv_plugins_upgrade.erl
new file mode 100644
index 0000000..fbd8365
--- /dev/null
+++ b/src/rebar_prv_plugins_upgrade.erl
@@ -0,0 +1,96 @@
+-module(rebar_prv_plugins_upgrade).
+
+-behaviour(provider).
+
+-export([init/1,
+         do/1,
+         format_error/1]).
+
+-include("rebar.hrl").
+-include_lib("providers/include/providers.hrl").
+
+-define(PROVIDER, upgrade).
+-define(NAMESPACE, plugins).
+-define(DEPS, []).
+
+-spec init(rebar_state:t()) -> {ok, rebar_state:t()}.
+init(State) ->
+    State1 = rebar_state:add_provider(
+            State,
+            providers:create([
+                    {name, ?PROVIDER},
+                    {module, ?MODULE},
+                    {namespace, ?NAMESPACE},
+                    {bare, true},
+                    {deps, ?DEPS},
+                    {example, "rebar3 plugins upgrade <plugin>"},
+                    {short_desc, "Uprade plugins"},
+                    {desc, "List or upgrade plugins"},
+                    {opts, [{plugin, undefined, undefined, string,
+                             "Plugin to upgrade"}]}])),
+    {ok, State1}.
+
+-spec do(rebar_state:t()) -> {ok, rebar_state:t()} | {error, string()}.
+do(State) ->
+    {Args, _} = rebar_state:command_parsed_args(State),
+    Plugin = proplists:get_value(plugin, Args, <<"">>),
+    upgrade(Plugin, State).
+
+-spec format_error(any()) -> iolist().
+format_error({not_found, Plugin}) ->
+    io_lib:format("Plugin to upgrade not found: ~s", [Plugin]);
+format_error(Reason) ->
+    io_lib:format("~p", [Reason]).
+
+upgrade(Plugin, State) ->
+    Profiles = rebar_state:current_profiles(State),
+    Dep = ec_lists:search(fun(Profile) ->
+                                  Plugins = rebar_state:get(State, {plugins, Profile}, []),
+                                  case find(list_to_atom(Plugin), Plugins) of
+                                      false ->
+                                          not_found;
+                                      P ->
+                                          {ok, P}
+                                  end
+                          end, Profiles),
+
+    case Dep of
+        not_found ->
+            ?PRV_ERROR({not_found, Plugin});
+        {ok, P, Profile} ->
+            State1 = rebar_state:set(State, deps_dir, ?DEFAULT_PLUGINS_DIR),
+            {ok, Apps, _State2} = rebar_prv_install_deps:handle_deps(Profile
+                                                                    ,State1
+                                                                    ,[P]
+                                                                    ,true),
+
+            {no_cycle, Sorted} = rebar_prv_install_deps:find_cycles(Apps),
+            ToBuild = rebar_prv_install_deps:cull_compile(Sorted, []),
+
+            %% Add already built plugin deps to the code path
+            CodePaths = [rebar_app_info:ebin_dir(A) || A <- Apps -- ToBuild],
+            code:add_pathsa(CodePaths),
+
+            %% Build plugin and its deps
+            [build_plugin(AppInfo, Apps, State) || AppInfo <- ToBuild],
+            {ok, State}
+    end.
+
+find(_Plugin, []) ->
+    false;
+find(Plugin, [Plugin | _Plugins]) ->
+    Plugin;
+find(Plugin, [Plugin1 | Plugins]) when is_tuple(Plugin1) ->
+    case element(1, Plugin1) =:= Plugin of
+        true ->
+            Plugin1;
+        false ->
+            find(Plugin, Plugins)
+    end.
+
+build_plugin(AppInfo, Apps, State) ->
+    Providers = rebar_state:providers(State),
+    AppDir = rebar_app_info:dir(AppInfo),
+    C = rebar_config:consult(AppDir),
+    S = rebar_state:new(rebar_state:all_deps(rebar_state:new(), Apps), C, AppDir),
+    rebar_prv_compile:compile(S, Providers, AppInfo).
diff --git a/src/rebar_state.erl b/src/rebar_state.erl
index 7c61db2..8125026 100644
--- a/src/rebar_state.erl
+++ b/src/rebar_state.erl
@@ -82,7 +82,8 @@ new() ->
 new(Config) when is_list(Config) ->
     BaseState = base_state(),
     Deps = proplists:get_value(deps, Config, []),
-    Terms = [{{deps, default}, Deps} | Config],
+    Plugins = proplists:get_value(plugins, Config, []),
+    Terms = [{{deps, default}, Deps}, {{plugins, default}, Plugins} | Config],
     true = rebar_config:verify_config_format(Terms),
     Opts = dict:from_list(Terms),
     BaseState#state_t { dir = rebar_dir:get_cwd(),
@@ -95,7 +96,8 @@ new(Profile, Config) when is_atom(Profile)
     BaseState = base_state(),
     Deps = proplists:get_value(deps, Config, []),
 
-    Terms = [{{deps, default}, Deps} | Config],
+    Plugins = proplists:get_value(plugins, Config, []),
+    Terms = [{{deps, default}, Deps}, {{plugins, default}, Plugins} | Config],
     true = rebar_config:verify_config_format(Terms),
     Opts = dict:from_list(Terms),
     BaseState#state_t { dir = rebar_dir:get_cwd(),
@@ -112,18 +114,19 @@ new(ParentState, Config, Dir) ->
     Opts = ParentState#state_t.opts,
     LocalOpts = case rebar_config:consult_lock_file(filename:join(Dir, ?LOCK_FILE)) of
                     [D] ->
-                    %% We want the top level deps only from the lock file.
-                    %% This ensures deterministic overrides for configs.
-                    Deps = [X || X <- D, element(3, X) =:= 0],
-
-                    Terms = [{{locks, default}, D}, {{deps, default}, Deps} | Config],
-                    true = rebar_config:verify_config_format(Terms),
-                    dict:from_list(Terms);
+                        %% We want the top level deps only from the lock file.
+                        %% This ensures deterministic overrides for configs.
+                        Deps = [X || X <- D, element(3, X) =:= 0],
+                        Plugins = proplists:get_value(plugins, Config, []),
+                        Terms = [{{locks, default}, D}, {{deps, default}, Deps}, {{plugins, default}, Plugins} | Config],
+                        true = rebar_config:verify_config_format(Terms),
+                        dict:from_list(Terms);
                     _ ->
-                    D = proplists:get_value(deps, Config, []),
-                    Terms = [{{deps, default}, D} | Config],
-                    true = rebar_config:verify_config_format(Terms),
-                    dict:from_list(Terms)
+                        D = proplists:get_value(deps, Config, []),
+                        Plugins = proplists:get_value(plugins, Config, []),
+                        Terms = [{{deps, default}, D}, {{plugins, default}, Plugins} | Config],
+                        true = rebar_config:verify_config_format(Terms),
+                        dict:from_list(Terms)
                 end,
 
     NewOpts = merge_opts(LocalOpts, Opts),
@@ -257,14 +260,17 @@ apply_overrides(State=#state_t{overrides=Overrides}, AppName) ->
                                  StateAcc
                          end, State1, Overrides),
 
-    lists:foldl(fun({add, N, O}, StateAcc) when N =:= Name ->
+    State3 = lists:foldl(fun({add, N, O}, StateAcc) when N =:= Name ->
                         lists:foldl(fun({Key, Value}, StateAcc1) ->
                                             OldValue = rebar_state:get(StateAcc1, Key, []),
                                             rebar_state:set(StateAcc1, Key, Value++OldValue)
                                     end, StateAcc, O);
                    (_, StateAcc) ->
                         StateAcc
-                end, State2, Overrides).
+                end, State2, Overrides),
+
+    Opts = opts(State3),
+    State3#state_t{default=Opts}.
 
 add_to_profile(State, Profile, KVs) when is_atom(Profile), is_list(KVs) ->
     Profiles = rebar_state:get(State, profiles, []),
@@ -280,6 +286,7 @@ apply_profiles(State, [default]) ->
 apply_profiles(State=#state_t{default = Defaults, current_profiles=CurrentProfiles}, Profiles) ->
     AppliedProfiles = deduplicate(CurrentProfiles ++ Profiles),
     ConfigProfiles = rebar_state:get(State, profiles, []),
+
     NewOpts =
         lists:foldl(fun(default, OptsAcc) ->
                             OptsAcc;
@@ -303,11 +310,18 @@ do_deduplicate([Head | Rest], Acc) ->
 merge_opts(Profile, NewOpts, OldOpts) ->
     Opts = merge_opts(NewOpts, OldOpts),
 
-    case dict:find(deps, NewOpts) of
+    Opts2 = case dict:find(plugins, NewOpts) of
         {ok, Value} ->
-            dict:store({deps, Profile}, Value, Opts);
+            dict:store({plugins, Profile}, Value, Opts);
         error ->
             Opts
+    end,
+
+    case dict:find(deps, NewOpts) of
+        {ok, Value2} ->
+            dict:store({deps, Profile}, Value2, Opts2);
+        error ->
+            Opts2
     end.
 
 merge_opts(NewOpts, OldOpts) ->
@@ -315,6 +329,10 @@ merge_opts(NewOpts, OldOpts) ->
                        NewValue;
                   ({deps, _}, NewValue, _OldValue) ->
                        NewValue;
+                  (plugins, NewValue, _OldValue) ->
+                       NewValue;
+                  ({plugins, _}, NewValue, _OldValue) ->
+                       NewValue;
                   (profiles, NewValue, OldValue) ->
                        dict:to_list(merge_opts(dict:from_list(NewValue), dict:from_list(OldValue)));
                   (_Key, NewValue, OldValue) when is_list(NewValue) ->
diff --git a/test/rebar_compile_SUITE.erl b/test/rebar_compile_SUITE.erl
index 7025eef..7e72404 100644
--- a/test/rebar_compile_SUITE.erl
+++ b/test/rebar_compile_SUITE.erl
@@ -18,9 +18,6 @@
          deps_in_path/1,
          delete_beam_if_source_deleted/1,
          checkout_priority/1,
-         compile_plugins/1,
-         compile_global_plugins/1,
-         complex_plugins/1,
          highest_version_of_pkg_dep/1,
          parse_transform_test/1]).
 
@@ -49,8 +46,7 @@ all() ->
      build_all_srcdirs, recompile_when_hrl_changes,
      recompile_when_opts_change, dont_recompile_when_opts_dont_change,
      dont_recompile_yrl_or_xrl, delete_beam_if_source_deleted,
-     deps_in_path, checkout_priority, compile_plugins, compile_global_plugins,
-     complex_plugins, highest_version_of_pkg_dep, parse_transform_test].
+     deps_in_path, checkout_priority, highest_version_of_pkg_dep, parse_transform_test].
 
 build_basic_app(Config) ->
     AppDir = ?config(apps, Config),
@@ -399,133 +395,6 @@ checkout_priority(Config) ->
     ?assertEqual(Vsn2, proplists:get_value(vsn, DepProps)),
     ?assertEqual(Vsn2, proplists:get_value(vsn, PkgProps)).
 
-%% Tests that compiling a project installs and compiles the plugins of deps
-compile_plugins(Config) ->
-    AppDir = ?config(apps, Config),
-
-    Name = rebar_test_utils:create_random_name("app1_"),
-    Vsn = rebar_test_utils:create_random_vsn(),
-    rebar_test_utils:create_app(AppDir, Name, Vsn, [kernel, stdlib]),
-
-    DepName = rebar_test_utils:create_random_name("dep1_"),
-    PluginName = rebar_test_utils:create_random_name("plugin1_"),
-
-    Plugins = rebar_test_utils:expand_deps(git, [{PluginName, Vsn, []}]),
-    mock_git_resource:mock([{deps, rebar_test_utils:flat_deps(Plugins)}]),
-
-    mock_pkg_resource:mock([{pkgdeps, [{{list_to_binary(DepName), list_to_binary(Vsn)}, []}]},
-                            {config, [{plugins, [
-                                                {list_to_atom(PluginName),
-                                                 {git, "http://site.com/user/"++PluginName++".git",
-                                                 {tag, Vsn}}}]}]}]),
-
-    RConfFile =
-        rebar_test_utils:create_config(AppDir,
-                                      [{deps, [
-                                              list_to_atom(DepName)
-                                              ]}]),
-    {ok, RConf} = file:consult(RConfFile),
-
-    %% Build with deps.
-    rebar_test_utils:run_and_check(
-        Config, RConf, ["compile"],
-        {ok, [{app, Name}, {plugin, PluginName}, {dep, DepName}]}
-    ).
-
-%% Tests that compiling a project installs and compiles the global plugins
-compile_global_plugins(Config) ->
-    AppDir = ?config(apps, Config),
-    GlobalDir = filename:join(AppDir, "global"),
-    GlobalConfigDir = filename:join([GlobalDir, ".config", "rebar3"]),
-    GlobalConfig = filename:join([GlobalDir, ".config", "rebar3", "rebar.config"]),
-
-    meck:new(rebar_dir, [passthrough]),
-    meck:expect(rebar_dir, global_config, fun() -> GlobalConfig end),
-    meck:expect(rebar_dir, global_cache_dir, fun(_) -> GlobalDir end),
-
-    Name = rebar_test_utils:create_random_name("app1_"),
-    Vsn = rebar_test_utils:create_random_vsn(),
-    Vsn2 = rebar_test_utils:create_random_vsn(),
-    rebar_test_utils:create_app(AppDir, Name, Vsn, [kernel, stdlib]),
-
-    DepName = rebar_test_utils:create_random_name("dep1_"),
-    PluginName = rebar_test_utils:create_random_name("plugin1_"),
-
-    mock_git_resource:mock([{deps, [{list_to_atom(PluginName), Vsn},
-                                    {list_to_atom(PluginName), Vsn2},
-                                    {{iolist_to_binary(DepName), iolist_to_binary(Vsn)}, []}]}]),
-
-
-    rebar_test_utils:create_config(GlobalConfigDir,
-                                   [{plugins, [
-                                              {list_to_atom(PluginName), {git, "http://site.com/user/"++PluginName++".git", {tag, Vsn}}}
-                                              ]}]),
-    RConfFile =
-        rebar_test_utils:create_config(AppDir,
-                                       [{deps, [
-                                               {list_to_atom(DepName), {git, "http://site.com/user/"++DepName++".git", {tag, Vsn}}}
-                                               ]},
-                                       {plugins, [
-                                                 {list_to_atom(PluginName), {git, "http://site.com/user/"++PluginName++".git", {tag, Vsn2}}}
-                                                 ]}]),
-    {ok, RConf} = file:consult(RConfFile),
-
-    %% Runs global plugin install
-    rebar3:init_config(),
-
-    %% Build with deps.
-    rebar_test_utils:run_and_check(
-        Config, RConf, ["compile"],
-        {ok, [{app, Name},
-             {global_plugin, PluginName, Vsn},
-             {plugin, PluginName, Vsn2},
-             {dep, DepName}]}
-     ),
-
-    meck:unload(rebar_dir).
-
-%% Tests installing of plugin with transitive deps
-complex_plugins(Config) ->
-    AppDir = ?config(apps, Config),
-
-    meck:new(rebar_dir, [passthrough]),
-
-    Name = rebar_test_utils:create_random_name("app1_"),
-    Vsn = rebar_test_utils:create_random_vsn(),
-    Vsn2 = rebar_test_utils:create_random_vsn(),
-    rebar_test_utils:create_app(AppDir, Name, Vsn, [kernel, stdlib]),
-
-    DepName = rebar_test_utils:create_random_name("dep1_"),
-    DepName2 = rebar_test_utils:create_random_name("dep2_"),
-    DepName3 = rebar_test_utils:create_random_name("dep3_"),
-    PluginName = rebar_test_utils:create_random_name("plugin1_"),
-
-    Deps = rebar_test_utils:expand_deps(git, [{PluginName, Vsn2, [{DepName2, Vsn,
-                                                                  [{DepName3, Vsn, []}]}]}
-                                             ,{DepName, Vsn, []}]),
-    mock_git_resource:mock([{deps, rebar_test_utils:flat_deps(Deps)}]),
-
-    RConfFile =
-        rebar_test_utils:create_config(AppDir,
-                                       [{deps, [
-                                               {list_to_atom(DepName), {git, "http://site.com/user/"++DepName++".git", {tag, Vsn}}}
-                                               ]},
-                                       {plugins, [
-                                                 {list_to_atom(PluginName), {git, "http://site.com/user/"++PluginName++".git", {tag, Vsn2}}}
-                                                 ]}]),
-    {ok, RConf} = file:consult(RConfFile),
-
-    %% Build with deps.
-    rebar_test_utils:run_and_check(
-        Config, RConf, ["compile"],
-        {ok, [{app, Name},
-              {plugin, PluginName, Vsn2},
-              {plugin, DepName2},
-              {plugin, DepName3},
-              {dep, DepName}]}
-     ),
-
-    meck:unload(rebar_dir).
 
 highest_version_of_pkg_dep(Config) ->
     AppDir = ?config(apps, Config),
diff --git a/test/rebar_plugins_SUITE.erl b/test/rebar_plugins_SUITE.erl
new file mode 100644
index 0000000..adfeafe
--- /dev/null
+++ b/test/rebar_plugins_SUITE.erl
@@ -0,0 +1,201 @@
+-module(rebar_plugins_SUITE).
+
+-export([suite/0,
+         init_per_suite/1,
+         end_per_suite/1,
+         init_per_testcase/2,
+         end_per_testcase/2,
+         all/0,
+         compile_plugins/1,
+         compile_global_plugins/1,
+         complex_plugins/1,
+         upgrade/1]).
+
+-include_lib("common_test/include/ct.hrl").
+-include_lib("eunit/include/eunit.hrl").
+-include_lib("kernel/include/file.hrl").
+
+suite() ->
+    [].
+
+init_per_suite(Config) ->
+    Config.
+
+end_per_suite(_Config) ->
+    ok.
+
+init_per_testcase(_, Config) ->
+    rebar_test_utils:init_rebar_state(Config).
+
+end_per_testcase(_, _Config) ->
+    catch meck:unload().
+
+all() ->
+    [compile_plugins, compile_global_plugins, complex_plugins, upgrade].
+
+%% Tests that compiling a project installs and compiles the plugins of deps
+compile_plugins(Config) ->
+    AppDir = ?config(apps, Config),
+
+    Name = rebar_test_utils:create_random_name("app1_"),
+    Vsn = rebar_test_utils:create_random_vsn(),
+    rebar_test_utils:create_app(AppDir, Name, Vsn, [kernel, stdlib]),
+
+    DepName = rebar_test_utils:create_random_name("dep1_"),
+    PluginName = rebar_test_utils:create_random_name("plugin1_"),
+
+    Plugins = rebar_test_utils:expand_deps(git, [{PluginName, Vsn, []}]),
+    mock_git_resource:mock([{deps, rebar_test_utils:flat_deps(Plugins)}]),
+
+    mock_pkg_resource:mock([{pkgdeps, [{{list_to_binary(DepName), list_to_binary(Vsn)}, []}]},
+                            {config, [{plugins, [
+                                                {list_to_atom(PluginName),
+                                                 {git, "http://site.com/user/"++PluginName++".git",
+                                                 {tag, Vsn}}}]}]}]),
+
+    RConfFile =
+        rebar_test_utils:create_config(AppDir,
+                                      [{deps, [
+                                              list_to_atom(DepName)
+                                              ]}]),
+    {ok, RConf} = file:consult(RConfFile),
+
+    %% Build with deps.
+    rebar_test_utils:run_and_check(
+        Config, RConf, ["compile"],
+        {ok, [{app, Name}, {plugin, PluginName}, {dep, DepName}]}
+    ).
+
+%% Tests that compiling a project installs and compiles the global plugins
+compile_global_plugins(Config) ->
+    AppDir = ?config(apps, Config),
+    GlobalDir = filename:join(AppDir, "global"),
+    GlobalConfigDir = filename:join([GlobalDir, ".config", "rebar3"]),
+    GlobalConfig = filename:join([GlobalDir, ".config", "rebar3", "rebar.config"]),
+
+    meck:new(rebar_dir, [passthrough]),
+    meck:expect(rebar_dir, global_config, fun() -> GlobalConfig end),
+    meck:expect(rebar_dir, global_cache_dir, fun(_) -> GlobalDir end),
+
+    Name = rebar_test_utils:create_random_name("app1_"),
+    Vsn = rebar_test_utils:create_random_vsn(),
+    Vsn2 = rebar_test_utils:create_random_vsn(),
+    rebar_test_utils:create_app(AppDir, Name, Vsn, [kernel, stdlib]),
+
+    DepName = rebar_test_utils:create_random_name("dep1_"),
+    PluginName = rebar_test_utils:create_random_name("plugin1_"),
+
+    mock_git_resource:mock([{deps, [{list_to_atom(PluginName), Vsn},
+                                    {list_to_atom(PluginName), Vsn2},
+                                    {{iolist_to_binary(DepName), iolist_to_binary(Vsn)}, []}]}]),
+
+
+    rebar_test_utils:create_config(GlobalConfigDir,
+                                   [{plugins, [
+                                              {list_to_atom(PluginName), {git, "http://site.com/user/"++PluginName++".git", {tag, Vsn}}}
+                                              ]}]),
+    RConfFile =
+        rebar_test_utils:create_config(AppDir,
+                                       [{deps, [
+                                               {list_to_atom(DepName), {git, "http://site.com/user/"++DepName++".git", {tag, Vsn}}}
+                                               ]},
+                                       {plugins, [
+                                                 {list_to_atom(PluginName), {git, "http://site.com/user/"++PluginName++".git", {tag, Vsn2}}}
+                                                 ]}]),
+    {ok, RConf} = file:consult(RConfFile),
+
+    %% Runs global plugin install
+    rebar3:init_config(),
+
+    %% Build with deps.
+    rebar_test_utils:run_and_check(
+        Config, RConf, ["compile"],
+        {ok, [{app, Name},
+             {global_plugin, PluginName, Vsn},
+             {plugin, PluginName, Vsn2},
+             {dep, DepName}]}
+     ),
+
+    meck:unload(rebar_dir).
+
+%% Tests installing of plugin with transitive deps
+complex_plugins(Config) ->
+    AppDir = ?config(apps, Config),
+
+    meck:new(rebar_dir, [passthrough]),
+
+    Name = rebar_test_utils:create_random_name("app1_"),
+    Vsn = rebar_test_utils:create_random_vsn(),
+    Vsn2 = rebar_test_utils:create_random_vsn(),
+    rebar_test_utils:create_app(AppDir, Name, Vsn, [kernel, stdlib]),
+
+    DepName = rebar_test_utils:create_random_name("dep1_"),
+    DepName2 = rebar_test_utils:create_random_name("dep2_"),
+    DepName3 = rebar_test_utils:create_random_name("dep3_"),
+    PluginName = rebar_test_utils:create_random_name("plugin1_"),
+
+    Deps = rebar_test_utils:expand_deps(git, [{PluginName, Vsn2, [{DepName2, Vsn,
+                                                                  [{DepName3, Vsn, []}]}]}
+                                             ,{DepName, Vsn, []}]),
+    mock_git_resource:mock([{deps, rebar_test_utils:flat_deps(Deps)}]),
+
+    RConfFile =
+        rebar_test_utils:create_config(AppDir,
+                                       [{deps, [
+                                               {list_to_atom(DepName), {git, "http://site.com/user/"++DepName++".git", {tag, Vsn}}}
+                                               ]},
+                                       {plugins, [
+                                                 {list_to_atom(PluginName), {git, "http://site.com/user/"++PluginName++".git", {tag, Vsn2}}}
+                                                 ]}]),
+    {ok, RConf} = file:consult(RConfFile),
+
+    %% Build with deps.
+    rebar_test_utils:run_and_check(
+        Config, RConf, ["compile"],
+        {ok, [{app, Name},
+              {plugin, PluginName, Vsn2},
+              {plugin, DepName2},
+              {plugin, DepName3},
+              {dep, DepName}]}
+     ),
+
+    meck:unload(rebar_dir).
+
+upgrade(Config) ->
+    AppDir = ?config(apps, Config),
+
+    Name = rebar_test_utils:create_random_name("app1_"),
+    Vsn = rebar_test_utils:create_random_vsn(),
+    rebar_test_utils:create_app(AppDir, Name, Vsn, [kernel, stdlib]),
+
+    PkgName = rebar_test_utils:create_random_name("pkg1_"),
+    mock_git_resource:mock([]),
+    mock_pkg_resource:mock([
+        {pkgdeps, [{{iolist_to_binary(PkgName), <<"0.1.0">>}, []},
+                   {{iolist_to_binary(PkgName), <<"0.0.1">>}, []},
+                   {{iolist_to_binary(PkgName), <<"0.1.1">>}, []}]}
+    ]),
+
+    RConfFile = rebar_test_utils:create_config(AppDir, [{plugins, [list_to_atom(PkgName)]}]),
+    {ok, RConf} = file:consult(RConfFile),
+
+    %% Build with deps.
+    rebar_test_utils:run_and_check(
+        Config, RConf, ["compile"],
+        {ok, [{app, Name}, {plugin, PkgName, <<"0.1.1">>}]}
+     ),
+
+    catch mock_pkg_resource:unmock(),
+    mock_pkg_resource:mock([
+        {pkgdeps, [{{iolist_to_binary(PkgName), <<"0.1.0">>}, []},
+                   {{iolist_to_binary(PkgName), <<"0.0.1">>}, []},
+                   {{iolist_to_binary(PkgName), <<"0.1.3">>}, []},
+                   {{iolist_to_binary(PkgName), <<"0.1.1">>}, []}]},
+        {upgrade, [PkgName]}
+    ]),
+
+    %% Build with deps.
+    rebar_test_utils:run_and_check(
+        Config, RConf, ["plugins", "upgrade", PkgName],
+        {ok, [{app, Name}, {plugin, PkgName, <<"0.1.3">>}]}
+     ).