Handle few validation errors (#12)

* Handle few validation errors

* Add 2 more error cases

src/rebar3_grisp_io_api.erl

@@ -140,8 +140,9 @@ validate_update(RState, Token, Device) ->
         {ok, 204, _, _} ->
             ok;
         {ok, 400, _, ClientRef} ->
-            {ok, _RespBody} = hackney:body(ClientRef),
-            error(unknown_request);
+            {ok, RespBody} = hackney:body(ClientRef),
+            #{<<"error">> := Error} = jsx:decode(RespBody),
+            throw({error, Error});
         {ok, 401, _, _} ->
             throw(wrong_credentials);
         {ok, 403, _, _} ->

src/rebar3_grisp_io_validate.erl

@@ -55,6 +55,16 @@ do(RState) ->
 
         {ok, RState}
     catch
+        throw:{error, <<"no_process">>} ->
+            abort("Error: no deployment process is running.");
+        throw:{error, <<"disconnected">>} ->
+            abort("Error: the device is not connected to GRiSP.io");
+        throw:{error, <<"validate_from_unbooted">>} ->
+            abort("Error: device needs to be rebooted.");
+        throw:{error, <<"wait_device">>} ->
+            abort("Error: deployment waiting for device");
+        throw:{error, <<"download">>} ->
+            abort("Error: the device is still downloading the updated");
         throw:no_device_serial_number ->
             abort("Error: The serial number of the target device is missing." ++
                   " Specify it with -d or --device");
@@ -87,6 +97,6 @@ try_get_device_serial(RState) ->
     case rebar_state:command_args(RState) of
         [] ->
             throw(no_device_serial_number);
-        [Serial | _] ->
+        [Serial | _] ->
             Serial
     end.