relx error while generating a release for riak_core with erlang.mk - branch th/erlang.mk

gistfile1.txt

ogma:riak_core th$ relx
===> Starting relx build process ...
===> Resolving OTP Applications from directories:
          /Users/th/gitrepos/basho/riak_core/ebin
          /Users/th/gitrepos/basho/riak_core/deps
          /Users/th/erlang/r1602_basho8/lib
          /Users/th/Library/Erlang/lib

=ERROR REPORT==== 17-Sep-2015::16:05:23 ===
Error in process <0.116.0> with exit value: {function_clause,[{rlx_app_info,parse_version,[git],[{file,"/Users/th/gitrepos/relx/_build/default/lib/relx/src/rlx_app_info.erl"},{line,197}]},{rlx_app_info,new,6,[{file,"/Users/th/gitrepos/relx/_build/default/... 

escript: exception exit: {function_clause,
                    [{rlx_app_info,parse_version,
                         [git],
                         [{file,
                              "/Users/th/gitrepos/relx/_build/default/lib/relx/src/rlx_app_info.erl"},
                          {line,197}]},
                     {rlx_app_info,new,6,
                         [{file,
                              "/Users/th/gitrepos/relx/_build/default/lib/relx/src/rlx_app_info.erl"},
                          {line,98}]},
                     {rlx_app_discovery,get_vsn,3,
                         [{file,
                              "/Users/th/gitrepos/relx/_build/default/lib/relx/src/rlx_app_discovery.erl"},
                          {line,298}]},
                     {rlx_dscv_util,discover_dir,3,
                         [{file,
                              "/Users/th/gitrepos/relx/_build/default/lib/relx/src/rlx_dscv_util.erl"},
                          {line,97}]},
                     {lists,map,2,[{file,"lists.erl"},{line,1224}]},
                     {ec_plists,'-local_runmany/3-fun-0-',3,
                         [{file,
                              "/Users/th/gitrepos/relx/_build/default/lib/erlware_commons/src/ec_plists.erl"},
                          {line,753}]}]}
  in function  ec_plists:handle_error/3 (/Users/th/gitrepos/relx/_build/default/lib/erlware_commons/src/ec_plists.erl, line 900)
  in call from ec_plists:local_runmany/3 (/Users/th/gitrepos/relx/_build/default/lib/erlware_commons/src/ec_plists.erl, line 764)
  in call from rlx_dscv_util:do/2 (/Users/th/gitrepos/relx/_build/default/lib/relx/src/rlx_dscv_util.erl, line 52)
  in call from rlx_app_discovery:resolve_app_metadata/2 (/Users/th/gitrepos/relx/_build/default/lib/relx/src/rlx_app_discovery.erl, line 103)
  in call from rlx_prv_app_discover:do/1 (/Users/th/gitrepos/relx/_build/default/lib/relx/src/rlx_prv_app_discover.erl, line 54)
  in call from relx:run_provider/2 (/Users/th/gitrepos/relx/_build/default/lib/relx/src/relx.erl, line 286)
  in call from lists:foldl/3 (lists.erl, line 1248)
  in call from relx:run_providers/1 (/Users/th/gitrepos/relx/_build/default/lib/relx/src/relx.erl, line 266)