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-rwxr-xr-xbootstrap159
1 files changed, 132 insertions, 27 deletions
diff --git a/bootstrap b/bootstrap
index 9799647..1a3999b 100755
--- a/bootstrap
+++ b/bootstrap
@@ -2,6 +2,7 @@
%% -*- mode: erlang;erlang-indent-level: 4;indent-tabs-mode: nil -*-
%% ex: ft=erlang ts=4 sw=4 et
+
main(_Args) ->
%% Fetch and build deps required to build rebar3
BaseDeps = [{providers, []}
@@ -26,7 +27,7 @@ main(_Args) ->
{ok, State} = rebar3:run(["compile"]),
reset_env(),
os:putenv("REBAR_PROFILE", ""),
- %% Build erlydtl files (a hook on compile in the default profile) and escript file
+
DepsPaths = rebar_state:code_paths(State, all_deps),
code:add_pathsa(DepsPaths),
@@ -105,23 +106,124 @@ compile_file(File, Opts) ->
bootstrap_rebar3() ->
filelib:ensure_dir("_build/default/lib/rebar/ebin/dummy.beam"),
code:add_path("_build/default/lib/rebar/ebin/"),
- file:make_symlink(filename:absname("src"), filename:absname("_build/default/lib/rebar/src")),
+ ok = symlink_or_copy(filename:absname("src"),
+ filename:absname("_build/default/lib/rebar/src")),
Sources = ["src/rebar_resource.erl" | filelib:wildcard("src/*.erl")],
[compile_file(X, [{outdir, "_build/default/lib/rebar/ebin/"}
,return | additional_defines()]) || X <- Sources],
code:add_patha(filename:absname("_build/default/lib/rebar/ebin")).
+%%rebar.hrl
+-define(FMT(Str, Args), lists:flatten(io_lib:format(Str, Args))).
+%%/rebar.hrl
+%%rebar_file_utils
+symlink_or_copy(Source, Target) ->
+ Link = case os:type() of
+ {win32, _} ->
+ Source;
+ _ ->
+ make_relative_path(Source, Target)
+ end,
+ case file:make_symlink(Link, Target) of
+ ok ->
+ ok;
+ {error, eexist} ->
+ ok;
+ {error, _} ->
+ cp_r([Source], Target)
+ end.
+
+make_relative_path(Source, Target) ->
+ do_make_relative_path(filename:split(Source), filename:split(Target)).
+
+do_make_relative_path([H|T1], [H|T2]) ->
+ do_make_relative_path(T1, T2);
+do_make_relative_path(Source, Target) ->
+ Base = lists:duplicate(max(length(Target) - 1, 0), ".."),
+ filename:join(Base ++ Source).
+
+cp_r([], _Dest) ->
+ ok;
+cp_r(Sources, Dest) ->
+ case os:type() of
+ {unix, _} ->
+ EscSources = [escape_path(Src) || Src <- Sources],
+ SourceStr = string:join(EscSources, " "),
+ os:cmd(?FMT("cp -R ~s \"~s\"", [SourceStr, Dest])),
+ ok;
+ {win32, _} ->
+ lists:foreach(fun(Src) -> ok = cp_r_win32(Src,Dest) end, Sources),
+ ok
+ end.
+
+xcopy_win32(Source,Dest)->
+ R = os:cmd(?FMT("xcopy \"~s\" \"~s\" /q /y /e 2> nul",
+ [filename:nativename(Source), filename:nativename(Dest)])),
+ case length(R) > 0 of
+ %% when xcopy fails, stdout is empty and and error message is printed
+ %% to stderr (which is redirected to nul)
+ true -> ok;
+ false ->
+ {error, lists:flatten(
+ io_lib:format("Failed to xcopy from ~s to ~s~n",
+ [Source, Dest]))}
+ end.
+
+cp_r_win32({true, SourceDir}, {true, DestDir}) ->
+ %% from directory to directory
+ SourceBase = filename:basename(SourceDir),
+ ok = case file:make_dir(filename:join(DestDir, SourceBase)) of
+ {error, eexist} -> ok;
+ Other -> Other
+ end,
+ ok = xcopy_win32(SourceDir, filename:join(DestDir, SourceBase));
+cp_r_win32({false, Source} = S,{true, DestDir}) ->
+ %% from file to directory
+ cp_r_win32(S, {false, filename:join(DestDir, filename:basename(Source))});
+cp_r_win32({false, Source},{false, Dest}) ->
+ %% from file to file
+ {ok,_} = file:copy(Source, Dest),
+ ok;
+cp_r_win32({true, SourceDir}, {false, DestDir}) ->
+ case filelib:is_regular(DestDir) of
+ true ->
+ %% From directory to file? This shouldn't happen
+ {error, lists:flatten(
+ io_lib:format("Cannot copy dir (~p) to file (~p)\n",
+ [SourceDir, DestDir]))};
+ false ->
+ %% Specifying a target directory that doesn't currently exist.
+ %% So let's attempt to create this directory
+ case filelib:ensure_dir(filename:join(DestDir, "dummy")) of
+ ok ->
+ ok = xcopy_win32(SourceDir, DestDir);
+ {error, Reason} ->
+ {error, lists:flatten(
+ io_lib:format("Unable to create dir ~p: ~p\n",
+ [DestDir, Reason]))}
+ end
+ end;
+cp_r_win32(Source,Dest) ->
+ Dst = {filelib:is_dir(Dest), Dest},
+ lists:foreach(fun(Src) ->
+ ok = cp_r_win32({filelib:is_dir(Src), Src}, Dst)
+ end, filelib:wildcard(Source)),
+ ok.
+
+escape_path(Str) ->
+ re:replace(Str, "([ ()?])", "\\\\&", [global, {return, list}]).
+%%/rebar_file_utils
+
setup_env() ->
- %% We don't need or want erlydtl or relx providers loaded yet
+ %% We don't need or want relx providers loaded yet
application:load(rebar),
{ok, Providers} = application:get_env(rebar, providers),
- Providers1 = Providers -- [rebar_prv_erlydtl_compiler,
- rebar_prv_release,
+ Providers1 = Providers -- [rebar_prv_release,
rebar_prv_tar],
application:set_env(rebar, providers, Providers1).
reset_env() ->
- %% Reset the env so we get all providers and can build erlydtl files
+ %% Reset the env so we get all providers
application:unset_env(rebar, providers),
application:unload(rebar),
application:load(rebar).
@@ -196,25 +298,28 @@ otp_release1([$R,N|_]=Rel) when is_integer(N) ->
%% the "\n".
otp_release1(Rel) ->
File = filename:join([code:root_dir(), "releases", Rel, "OTP_VERSION"]),
- {ok, Vsn} = file:read_file(File),
-
- %% 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})
+ case file:read_file(File) of
+ {error, _} ->
+ Rel;
+ {ok, Vsn} ->
+ %% 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
end.