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Add support for non-Erlang/OTP (raw) dependencies

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Introduce a new 'raw' option for dependency specs in rebar.config file.
For example:

{deps,
    {dependency_name, "1.0.*",
	 {git, "<...>", {branch, "master"}},
	 [raw]
    }
]}.

When this option is specified, rebar does not require the dependency to
have a standard Erlang/OTP layout which assumes presence of either
"src/dependency_name.app.src" or "ebin/dependency_name.app" files.

'raw' dependencies can still contain 'rebar.config' and even can have
the proper OTP directory layout, but they won't be compiled.

Only a subset of rebar commands will be executed on the 'raw'
subdirectories:

	get-deps, update-deps, check-deps, list-deps and delete-deps.
This commit is contained in:
Anton Lavrik 2012-10-11 00:19:32 -05:00
parent 32e67ef55e
commit 0b833391ed
3 changed files with 62 additions and 15 deletions
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2
inttest/t_custom_config/t_custom_config_rt.erl
View file

@ -20,7 +20,7 @@ run(Dir) ->
{ok, Missing} =
retest:sh_expect(Ref,
"DEBUG: Missing deps : \\[\\{dep,bad_name,"
"boo,\"\\.\",undefined\\}\\]",
"boo,\"\\.\",undefined,false\\}\\]",
[{capture, all, list}]),
retest_log:log(debug, "[CAPTURED]: ~s~n", [Captured]),
retest_log:log(debug, "[Missing]: ~s~n", [Missing]),

15
rebar.config.sample
View file

@ -138,7 +138,20 @@
{deps, [application_name,
{application_name, "1.0.*"},
{application_name, "1.0.*",
{git, "git://github.com/basho/rebar.git", {branch, "master"}}}]}.
{git, "git://github.com/basho/rebar.git", {branch, "master"}}},
%% Dependencies can be marked as 'raw'. Rebar does not require such dependencies
%% to have a standard Erlang/OTP layout which assumes the presence of either
%% "src/dependency_name.app.src" or "ebin/dependency_name.app" files.
%%
%% 'raw' dependencies can still contain 'rebar.config' and even can have the
%% proper OTP directory layout, but they won't be compiled.
%%
%% Only a subset of rebar commands will be executed on the 'raw' subdirectories:
%% get-deps, update-deps, check-deps, list-deps and delete-deps.
{application_name, "",
{git, "git://github.com/basho/rebar.git", {branch, "master"}},
[raw]}]}.
%% == Subdirectories ==

60
src/rebar_deps.erl
View file

@ -42,7 +42,8 @@
-record(dep, { dir,
app,
vsn_regex,
source }).
source,
is_raw }). %% is_raw = true means non-Erlang/OTP dependency
%% ===================================================================
%% Public API
@ -78,8 +79,12 @@ preprocess(Config, _) ->
Config3
end,
%% Filtering out 'raw' dependencies so that no commands other than
%% deps-related can be executed on their directories.
NonRawAvailableDeps = [D || D <- AvailableDeps, not D#dep.is_raw],
%% Return all the available dep directories for process
{ok, NewConfig, dep_dirs(AvailableDeps)}.
{ok, NewConfig, dep_dirs(NonRawAvailableDeps)}.
postprocess(Config, _) ->
case rebar_config:get_xconf(Config, ?MODULE, undefined) of
@ -90,8 +95,9 @@ postprocess(Config, _) ->
{ok, NewConfig, Dirs}
end.
compile(Config, AppFile) ->
'check-deps'(Config, AppFile).
compile(Config, _) ->
{Config1, _AvailDeps} = do_check_deps(Config),
{ok, Config1}.
%% set REBAR_DEPS_DIR and ERL_LIBS environment variables
setup_env(Config) ->
@ -111,13 +117,14 @@ setup_env(Config) ->
end,
[{"REBAR_DEPS_DIR", DepsDir}, ERL_LIBS].
'check-deps'(Config, _) ->
%% common function used by 'check-deps' and 'compile'
do_check_deps(Config) ->
%% Get the list of immediate (i.e. non-transitive) deps that are missing
Deps = rebar_config:get_local(Config, deps, []),
case find_deps(Config, find, Deps) of
{Config1, {_, []}} ->
{Config1, {AvailDeps, []}} ->
%% No missing deps
{ok, Config1};
{Config1, AvailDeps};
{_Config1, {_, MissingDeps}} ->
lists:foreach(fun (#dep{app=App, vsn_regex=Vsn, source=Src}) ->
?CONSOLE("Dependency not available: "
@ -126,6 +133,10 @@ setup_env(Config) ->
?FAIL
end.
'check-deps'(Config, _) ->
{Config1, AvailDeps} = do_check_deps(Config),
{ok, save_dep_dirs(Config1, AvailDeps)}.
'get-deps'(Config, _) ->
%% Determine what deps are available and missing
Deps = rebar_config:get_local(Config, deps, []),
@ -171,7 +182,7 @@ setup_env(Config) ->
case find_deps(Config, find, Deps) of
{Config1, {AvailDeps, []}} ->
lists:foreach(fun(Dep) -> print_source(Dep) end, AvailDeps),
{ok, Config1};
{ok, save_dep_dirs(Config1, AvailDeps)};
{_, MissingDeps} ->
?ABORT("Missing dependencies: ~p\n", [MissingDeps])
end.
@ -221,7 +232,7 @@ update_deps_code_path(Config, []) ->
update_deps_code_path(Config, [Dep | Rest]) ->
Config2 =
case is_app_available(Config, Dep#dep.app,
Dep#dep.vsn_regex, Dep#dep.dir) of
Dep#dep.vsn_regex, Dep#dep.dir, Dep#dep.is_raw) of
{Config1, {true, _}} ->
Dir = filename:join(Dep#dep.dir, "ebin"),
ok = filelib:ensure_dir(filename:join(Dir, "dummy")),
@ -247,9 +258,14 @@ find_deps(Config, Mode, [App | Rest], Acc) when is_atom(App) ->
find_deps(Config, Mode, [{App, VsnRegex} | Rest], Acc) when is_atom(App) ->
find_deps(Config, Mode, [{App, VsnRegex, undefined} | Rest], Acc);
find_deps(Config, Mode, [{App, VsnRegex, Source} | Rest], Acc) ->
find_deps(Config, Mode, [{App, VsnRegex, Source, []} | Rest], Acc);
find_deps(Config, Mode, [{App, VsnRegex, Source, Opts} | Rest], Acc) when is_list(Opts) ->
Dep = #dep { app = App,
vsn_regex = VsnRegex,
source = Source },
source = Source,
%% dependency is considered raw (i.e. non-Erlang/OTP) when
%% 'raw' option is present
is_raw = proplists:get_value(raw, Opts, false) },
{Config1, {Availability, FoundDir}} = find_dep(Config, Dep),
find_deps(Config1, Mode, Rest,
acc_deps(Mode, Availability, Dep, FoundDir, Acc));
@ -284,7 +300,8 @@ find_dep_in_dir(Config, _Dep, {false, Dir}) ->
find_dep_in_dir(Config, Dep, {true, Dir}) ->
App = Dep#dep.app,
VsnRegex = Dep#dep.vsn_regex,
case is_app_available(Config, App, VsnRegex, Dir) of
IsRaw = Dep#dep.is_raw,
case is_app_available(Config, App, VsnRegex, Dir, IsRaw) of
{Config1, {true, _AppFile}} -> {Config1, {avail, Dir}};
{Config1, {false, _}} -> {Config1, {missing, Dir}}
end.
@ -309,7 +326,11 @@ require_source_engine(Source) ->
true = source_engine_avail(Source),
ok.
is_app_available(Config, App, VsnRegex, Path) ->
%% IsRaw = false means regular Erlang/OTP dependency
%%
%% IsRaw = true means non-Erlang/OTP dependency, e.g. the one that does not
%% have a proper .app file
is_app_available(Config, App, VsnRegex, Path, _IsRaw = false) ->
?DEBUG("is_app_available, looking for App ~p with Path ~p~n", [App, Path]),
case rebar_app_utils:is_app_dir(Path) of
{true, AppFile} ->
@ -340,6 +361,19 @@ is_app_available(Config, App, VsnRegex, Path) ->
?WARN("Expected ~s to be an app dir (containing ebin/*.app), "
"but no .app found.\n", [Path]),
{Config, {false, {missing_app_file, Path}}}
end;
is_app_available(Config, App, _VsnRegex, Path, _IsRaw = true) ->
?DEBUG("is_app_available, looking for Raw Depencency ~p with Path ~p~n", [App, Path]),
case filelib:is_dir(Path) of
true ->
%% TODO: look for version string in <Path>/VERSION file? Not clear
%% how to detect git/svn/hg/{cmd, ...} settings that can be passed
%% to rebar_utils:vcs_vsn/2 to obtain version dynamically
{Config, {true, Path}};
false ->
?WARN("Expected ~s to be a raw dependency directory, "
"but no directory found.\n", [Path]),
{Config, {false, {missing_raw_dependency_directory, Path}}}
end.
use_source(Config, Dep) ->
@ -353,7 +387,7 @@ use_source(Config, Dep, Count) ->
true ->
%% Already downloaded -- verify the versioning matches the regex
case is_app_available(Config, Dep#dep.app,
Dep#dep.vsn_regex, Dep#dep.dir) of
Dep#dep.vsn_regex, Dep#dep.dir, Dep#dep.is_raw) of
{Config1, {true, _}} ->
Dir = filename:join(Dep#dep.dir, "ebin"),
ok = filelib:ensure_dir(filename:join(Dir, "dummy")),