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authorFred Hebert <mononcqc@ferd.ca>2014-07-17 16:02:39 -0400
committerFred Hebert <mononcqc@ferd.ca>2014-07-17 16:02:39 -0400
commit17546788c038ef4767218b86844b115a2379ed30 (patch)
treeefff75f017a1b2bde736304a468a00efd5c4ebb4 /src
parent1e7c7426c81ba954e7f22198c2164b1dad55306d (diff)
parent9b060f2de9d92d0245edf440b08b0a8eb6b52251 (diff)
Merge pull request #327 from tuncer/fix-326
Adapt arch string to versioning scheme changes (>= 17.x)
Diffstat (limited to 'src')
-rw-r--r--src/rebar_utils.erl83
1 files changed, 67 insertions, 16 deletions
diff --git a/src/rebar_utils.erl b/src/rebar_utils.erl
index fa35fed..2a14503 100644
--- a/src/rebar_utils.erl
+++ b/src/rebar_utils.erl
@@ -32,31 +32,43 @@
wordsize/0,
sh/2,
sh_send/3,
- find_files/2, find_files/3,
+ find_files/2,
+ find_files/3,
now_str/0,
ensure_dir/1,
- beam_to_mod/2, beams/1,
+ beam_to_mod/2,
+ beams/1,
erl_to_mod/1,
- abort/0, abort/2,
+ abort/0,
+ abort/2,
escript_foldl/3,
find_executable/1,
prop_check/3,
expand_code_path/0,
expand_env_variable/3,
vcs_vsn/3,
- deprecated/3, deprecated/4,
- get_deprecated_global/4, get_deprecated_global/5,
- get_experimental_global/3, get_experimental_local/3,
- get_deprecated_list/4, get_deprecated_list/5,
- get_deprecated_local/4, get_deprecated_local/5,
+ deprecated/3,
+ deprecated/4,
+ get_deprecated_global/4,
+ get_deprecated_global/5,
+ get_experimental_global/3,
+ get_experimental_local/3,
+ get_deprecated_list/4,
+ get_deprecated_list/5,
+ get_deprecated_local/4,
+ get_deprecated_local/5,
delayed_halt/1,
erl_opts/1,
src_dirs/1,
ebin_dir/0,
base_dir/1,
- processing_base_dir/1, processing_base_dir/2,
+ processing_base_dir/1,
+ processing_base_dir/2,
patch_env/2]).
+%% for internal use only
+-export([otp_release/0]).
+
-include("rebar.hrl").
%% ====================================================================
@@ -77,7 +89,7 @@ is_arch(ArchRegex) ->
get_arch() ->
Words = wordsize(),
- erlang:system_info(otp_release) ++ "-"
+ otp_release() ++ "-"
++ erlang:system_info(system_architecture) ++ "-" ++ Words.
wordsize() ->
@@ -90,7 +102,8 @@ wordsize() ->
end.
sh_send(Command0, String, Options0) ->
- ?INFO("sh_send info:\n\tcwd: ~p\n\tcmd: ~s < ~s\n", [get_cwd(), Command0, String]),
+ ?INFO("sh_send info:\n\tcwd: ~p\n\tcmd: ~s < ~s\n",
+ [get_cwd(), Command0, String]),
?DEBUG("\topts: ~p\n", [Options0]),
DefaultOptions = [use_stdout, abort_on_error],
@@ -339,12 +352,14 @@ processing_base_dir(Config, Dir) ->
AbsDir = filename:absname(Dir),
AbsDir =:= base_dir(Config).
-%% @doc Returns the list of environment variables including 'REBAR' which points to the
-%% rebar executable used to execute the currently running command. The environment is
-%% not modified if rebar was invoked programmatically.
--spec patch_env(rebar_config:config(), [{string(), string()}]) -> [{string(), string()}].
+%% @doc Returns the list of environment variables including 'REBAR' which
+%% points to the rebar executable used to execute the currently running
+%% command. The environment is not modified if rebar was invoked
+%% programmatically.
+-spec patch_env(rebar_config:config(), [{string(), string()}])
+ -> [{string(), string()}].
patch_env(Config, []) ->
- % if we reached an empty list the env did not contain the REBAR variable
+ %% If we reached an empty list, the env did not contain the REBAR variable.
case rebar_config:get_xconf(Config, escript, "") of
"" -> % rebar was invoked programmatically
[];
@@ -360,6 +375,42 @@ patch_env(Config, [E | Rest]) ->
%% Internal functions
%% ====================================================================
+otp_release() ->
+ otp_release1(erlang:system_info(otp_release)).
+
+%% If OTP <= R16, otp_release is already what we want.
+otp_release1([$R,N|_]=Rel) when is_integer(N) ->
+ Rel;
+%% If OTP >= 17.x, erlang:system_info(otp_release) returns just the
+%% major version number, we have to read the full version from
+%% a file. See http://www.erlang.org/doc/system_principles/versions.html
+%% Read vsn strinf from the 'OTP_VERSION' file and return as list without
+%% the "\n".
+otp_release1(Rel) ->
+ File = filename:join([code:root_dir(), "releases", Rel, "OTP_VERSION"]),
+ {ok, Vsn} = file:read_file(File),
+
+ %% NOTE: It's fine to rely on the binary module here because we
+ %% can be sure that it's available when the otp_release string
+ %% does not begin with $R.
+ Size = byte_size(Vsn),
+ %% The shortest vsn string consists of at least two digits
+ %% followed by "\n". Therefore, it's safe to assume Size >= 3.
+ case binary:part(Vsn, {Size, -3}) of
+ <<"**\n">> ->
+ %% The OTP documentation mentions that a system patched
+ %% using the otp_patch_apply tool available to licensed
+ %% customers will leave a '**' suffix in the version as a
+ %% flag saying the system consists of application versions
+ %% from multiple OTP versions. We ignore this flag and
+ %% drop the suffix, given for all intents and purposes, we
+ %% cannot obtain relevant information from it as far as
+ %% tooling is concerned.
+ binary:bin_to_list(Vsn, {0, Size - 3});
+ _ ->
+ binary:bin_to_list(Vsn, {0, Size - 1})
+ end.
+
get_deprecated_3(Get, Config, OldOpt, NewOpt, Default, When) ->
case Get(Config, NewOpt, Default) of
Default ->