From 53af2354cc990d23908709ba3b439de5c196023f Mon Sep 17 00:00:00 2001
From: Fred Hebert <mononcqc@ferd.ca>
Date: Fri, 20 Apr 2018 19:27:46 -0400
Subject: Fix various Dialyzer warnings

Some still remain from erl_type calls from Dialyzer, but most of them
are handled.

Decided to just ignore rebar_alias since playing with the type specs of
abstract code format is just a nightmare and hard to do cross-versions I
guess.
---
 src/rebar_app_info.erl       | 2 +-
 src/rebar_hg_resource.erl    | 2 +-
 src/rebar_prv_escriptize.erl | 4 +---
 src/rebar_prv_unlock.erl     | 8 ++------
 4 files changed, 5 insertions(+), 11 deletions(-)

(limited to 'src')

diff --git a/src/rebar_app_info.erl b/src/rebar_app_info.erl
index de497d5..88d6335 100644
--- a/src/rebar_app_info.erl
+++ b/src/rebar_app_info.erl
@@ -301,7 +301,7 @@ app_file(#app_info_t{app_file=AppFile}) ->
     AppFile.
 
 %% @doc sets the .app file for an app.
--spec app_file(t(), file:filename_all()) -> t().
+-spec app_file(t(), file:filename_all() | undefined) -> t().
 app_file(AppInfo=#app_info_t{}, AppFile) ->
     AppInfo#app_info_t{app_file=AppFile}.
 
diff --git a/src/rebar_hg_resource.erl b/src/rebar_hg_resource.erl
index 6d25783..abcca88 100644
--- a/src/rebar_hg_resource.erl
+++ b/src/rebar_hg_resource.erl
@@ -137,7 +137,7 @@ get_branch_ref(Dir, Branch) ->
         rebar_utils:sh("hg -R \"" ++ rebar_utils:escape_double_quotes(Dir) ++
                        "\" log --template \"{node}\n\" --rev " ++ rebar_utils:escape_chars(Branch),
                        [{use_stdout, false}, {debug_abort_on_error, AbortMsg}]),
-    rebar_string:strip(BranchRefString, both, "\n").
+    rebar_string:trim(BranchRefString, both, "\n").
 
 
 maybe_warn_local_url(Url) ->
diff --git a/src/rebar_prv_escriptize.erl b/src/rebar_prv_escriptize.erl
index 3d6e708..4d767fd 100644
--- a/src/rebar_prv_escriptize.erl
+++ b/src/rebar_prv_escriptize.erl
@@ -267,9 +267,7 @@ rm_newline(String) ->
     [C || C <- String, C =/= $\n].
 
 write_windows_script(Target) ->
-    CmdPath = if is_binary(Target) -> <<Target/binary, ".cmd">>;
-                 is_list(Target) -> Target ++ ".cmd"
-              end,
+    CmdPath = Target ++ ".cmd",
     CmdScript=
         "@echo off\r\n"
         "setlocal\r\n"
diff --git a/src/rebar_prv_unlock.erl b/src/rebar_prv_unlock.erl
index 8480991..6fe8bd8 100644
--- a/src/rebar_prv_unlock.erl
+++ b/src/rebar_prv_unlock.erl
@@ -48,12 +48,8 @@ do(State) ->
             ?PRV_ERROR({file,Reason});
         {ok, _} ->
             Locks = rebar_config:consult_lock_file(LockFile),
-            case handle_unlocks(State, Locks, LockFile) of
-                {ok, NewLocks} ->
-                    {ok, rebar_state:set(State, {locks, default}, NewLocks)};
-                {error, Reason} ->
-                    ?PRV_ERROR({file,Reason})
-            end
+            {ok, NewLocks} = handle_unlocks(State, Locks, LockFile),
+            {ok, rebar_state:set(State, {locks, default}, NewLocks)}
     end.
 
 -spec format_error(any()) -> iolist().
-- 
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