Chapril/xmpp.chapril.org-ejabberd
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Allow include of simple dependencies (EJAB-1737)(#391)

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Either contributed module include dependencies this way
  deps/
    dep1/
      src/
      include/
    dep1/
      src/
      include/

Or includes rebar.config or rebar.config.script:
In this case, only git is supported (if git command available)
and ext_mod checkout code in deps directory.

In both case, only basic built procedure is supported. ext_mod
does not do more than bare compilation like this:
erlc -I include src/*erl
This commit is contained in:
Christophe Romain 2015-07-22 10:48:44 +02:00
parent 311fedaa12
commit 9aa2d92d90
1 changed files with 74 additions and 3 deletions
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77
src/ext_mod.erl
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@ -445,9 +445,14 @@ compile_and_install(Module, Spec) ->
true ->
{ok, Dir} = file:get_cwd(),
file:set_cwd(SrcDir),
Result = case compile(Module, Spec, LibDir) of
ok -> install(Module, Spec, LibDir);
Error -> Error
Result = case compile_deps(Module, Spec, LibDir) of
ok ->
case compile(Module, Spec, LibDir) of
ok -> install(Module, Spec, LibDir);
Error -> Error
end;
Error ->
Error
end,
file:set_cwd(Dir),
Result;
@ -459,6 +464,35 @@ compile_and_install(Module, Spec) ->
end
end.
compile_deps(_Module, _Spec, DestDir) ->
case filelib:is_dir("deps") of
true -> ok;
false -> fetch_rebar_deps()
end,
Ebin = filename:join(DestDir, "ebin"),
filelib:ensure_dir(filename:join(Ebin, ".")),
Result = lists:foldl(fun(Dep, Acc) ->
Inc = filename:join(Dep, "include"),
Src = filename:join(Dep, "src"),
Options = [{outdir, Ebin}, {i, Inc}],
[file:copy(App, Ebin) || App <- filelib:wildcard(Src++"/*.app")],
Acc++[case compile:file(File, Options) of
{ok, _} -> ok;
{ok, _, _} -> ok;
{ok, _, _, _} -> ok;
error -> {error, {compilation_failed, File}};
Error -> Error
end
|| File <- filelib:wildcard(Src++"/*.erl")]
end, [], filelib:wildcard("deps/*")),
case lists:dropwhile(
fun(ok) -> true;
(_) -> false
end, Result) of
[] -> ok;
[Error|_] -> Error
end.
compile(_Module, _Spec, DestDir) ->
Ebin = filename:join(DestDir, "ebin"),
filelib:ensure_dir(filename:join(Ebin, ".")),
@ -470,6 +504,7 @@ compile(_Module, _Spec, DestDir) ->
Options = [{outdir, Ebin}, {i, "include"}, {i, EjabInc},
verbose, report_errors, report_warnings]
++ Logger ++ ExtLib,
[file:copy(App, Ebin) || App <- filelib:wildcard("src/*.app")],
Result = [case compile:file(File, Options) of
{ok, _} -> ok;
{ok, _, _} -> ok;
@ -504,6 +539,42 @@ install(Module, Spec, DestDir) ->
Error -> Error
end.
%% -- minimalist rebar spec parser, only support git
fetch_rebar_deps() ->
case rebar_deps("rebar.config")++rebar_deps("rebar.config.script") of
[] ->
ok;
Deps ->
filelib:ensure_dir(filename:join("deps", ".")),
lists:foreach(fun({_App, Cmd}) ->
os:cmd("cd deps; "++Cmd++"; cd ..")
end, Deps)
end.
rebar_deps(Script) ->
case file:script(Script) of
{ok, Config} when is_list(Config) ->
[rebar_dep(Dep) || Dep <- proplists:get_value(deps, Config, [])];
{ok, {deps, Deps}} ->
[rebar_dep(Dep) || Dep <- Deps];
_ ->
[]
end.
rebar_dep({App, _, {git, Url}}) ->
{App, "git clone "++Url++" "++filename:basename(App)};
rebar_dep({App, _, {git, Url, {branch, Ref}}}) ->
{App, "git clone -n "++Url++" "++filename:basename(App)++
"; (cd "++filename:basename(App)++
"; git checkout -q origin/"++Ref++")"};
rebar_dep({App, _, {git, Url, {tag, Ref}}}) ->
{App, "git clone -n "++Url++" "++filename:basename(App)++
"; (cd "++filename:basename(App)++
"; git checkout -q "++Ref++")"};
rebar_dep({App, _, {git, Url, Ref}}) ->
{App, "git clone -n "++Url++" "++filename:basename(App)++
"; (cd "++filename:basename(App)++
"; git checkout -q "++Ref++")"}.
%% -- YAML spec parser
consult(File) ->