improved dep handling and add package list task

1 files changed, 23 insertions, 0 deletions

diff --git a/src/rebar_packages.erl b/src/rebar_packages.erl
new file mode 100644
index 0000000..103d3a3
--- /dev/null
+++ b/src/rebar_packages.erl
@@ -0,0 +1,23 @@
+-module(rebar_packages).
+
+-export([get_packages/1]).
+
+-include("rebar.hrl").
+
+-spec get_packages(rebar_state:t()) -> {list(), rlx_depsolver:t()}.
+get_packages(State) ->
+    RebarDir = rebar_state:get(State, global_rebar_dir, filename:join(os:getenv("HOME"), ".rebar")),
+    PackagesFile = filename:join(RebarDir, "packages"),
+    case ec_file:exists(PackagesFile) of
+        true ->
+            try
+                {ok, Binary} = file:read_file(PackagesFile),
+                binary_to_term(Binary)
+            catch
+                _:_ ->
+                    ?ERROR("Bad packages index, try to fix with `rebar update`~n", []),
+                    {[], rlx_depsolver:new()}
+            end;
+        false ->
+            {[], rlx_depsolver:new()}
+    end.