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-rw-r--r--src/rebar_prv_upgrade.erl38
1 files changed, 28 insertions, 10 deletions
diff --git a/src/rebar_prv_upgrade.erl b/src/rebar_prv_upgrade.erl
index 5ee2be6..1cae5aa 100644
--- a/src/rebar_prv_upgrade.erl
+++ b/src/rebar_prv_upgrade.erl
@@ -29,11 +29,14 @@ init(State) ->
{module, ?MODULE},
{bare, false},
{deps, ?DEPS},
- {example, "rebar upgrade cowboy[,ranch]"},
- {short_desc, "Upgrade dependency."},
- {desc, ""},
+ {example, "rebar3 upgrade [cowboy[,ranch]]"},
+ {short_desc, "Upgrade dependencies."},
+ {desc, "Upgrade project dependecies. Mentioning no application "
+ "will upgrade all dependencies. To upgrade specific dependencies, "
+ "their names can be listed in the command."},
{opts, [
- {package, undefined, undefined, string, "Packages to upgrade."}
+ {package, undefined, undefined, string,
+ "List of packages to upgrade. If not specified, all dependencies are upgraded."}
]}])),
{ok, State1}.
@@ -42,11 +45,11 @@ do(State) ->
{Args, _} = rebar_state:command_parsed_args(State),
Locks = rebar_state:get(State, {locks, default}, []),
Deps = rebar_state:get(State, deps),
- Names = parse_names(ec_cnv:to_binary(proplists:get_value(package, Args)), Locks),
+ Names = parse_names(ec_cnv:to_binary(proplists:get_value(package, Args, <<"">>)), Locks),
case prepare_locks(Names, Deps, Locks, []) of
{error, Reason} ->
{error, Reason};
- {Locks0, _Unlocks0} -> % unlocks may be useful for deletions
+ {Locks0, _Unlocks0} ->
Deps0 = top_level_deps(Deps, Locks),
State1 = rebar_state:set(State, {deps, default}, Deps0),
State2 = rebar_state:set(State1, {locks, default}, Locks0),
@@ -54,6 +57,10 @@ do(State) ->
Res = rebar_prv_install_deps:do(State3),
case Res of
{ok, State4} ->
+ info_useless(
+ [element(1,Lock) || Lock <- Locks],
+ [rebar_app_info:name(App) || App <- rebar_state:lock(State4)]
+ ),
rebar_prv_lock:do(State4);
_ ->
Res
@@ -61,6 +68,12 @@ do(State) ->
end.
-spec format_error(any()) -> iolist().
+format_error({unknown_dependency, Name}) ->
+ io_lib:format("Dependency ~ts not found", [Name]);
+format_error({transitive_dependency, Name}) ->
+ io_lib:format("Dependency ~ts is transient and cannot be safely upgraded. "
+ "Promote it to your top-level rebar.config file to upgrade it.",
+ [Name]);
format_error(Reason) ->
io_lib:format("~p", [Reason]).
@@ -82,7 +95,7 @@ prepare_locks([Name|Names], Deps, Locks, Unlocks) ->
AtomName = binary_to_atom(Name, utf8),
case lists:keyfind(AtomName, 1, Deps) of
false ->
- {error, {unknown_dependency, Name}};
+ {error, {?MODULE, {unknown_dependency, Name}}};
Dep ->
Source = case Dep of
{_, Src} -> Src;
@@ -90,15 +103,14 @@ prepare_locks([Name|Names], Deps, Locks, Unlocks) ->
end,
{NewLocks, NewUnlocks} = unlock_higher_than(0, Locks -- [Lock]),
prepare_locks(Names,
- %deps_like_locks(Deps, [{Name,Source,0} | NewLocks]),
Deps,
NewLocks,
[{Name, Source, 0} | NewUnlocks ++ Unlocks])
end;
{_, _, Level} when Level > 0 ->
- {error, {transitive_dependency,Name}};
+ {error, {?MODULE, {transitive_dependency,Name}}};
false ->
- {error, {unknown_dependency,Name}}
+ {error, {?MODULE, {unknown_dependency,Name}}}
end.
top_level_deps(Deps, Locks) ->
@@ -113,3 +125,9 @@ unlock_higher_than(Level, [App = {_,_,AppLevel} | Apps], Locks, Unlocks) ->
AppLevel =< Level -> unlock_higher_than(Level, Apps, [App | Locks], Unlocks)
end.
+info_useless(Old, New) ->
+ [?INFO("App ~ts is no longer needed and can be deleted.", [Name])
+ || Name <- Old,
+ not lists:member(Name, New)],
+ ok.
+