Skip to content

Generate rebar.lock and few other improvements. #4

New issue

Have a question about this project? Sign up for a free GitHub account to open an issue and contact its maintainers and the community.

Sign up for GitHub

By clicking “Sign up for GitHub”, you agree to our terms of service and privacy statement. We’ll occasionally send you account related emails.

Already on GitHub? Sign in to your account

Open
wants to merge 2 commits into
base: master
Choose a base branch
from
Open

Generate rebar.lock and few other improvements. #4

Changes from all commits
Commits
Show all changes
2 commits
Select commit Hold shift + click to select a range
a9869b1
Delete profiles from rebar.config.
gleber Mar 7, 2016
0806493
Generate rebar.lock from ERLANG_DEPS and */nix-support/appName.
gleber Mar 7, 2016
File filter

Filter by extension

Filter by extension
Conversations
Failed to load comments.
Loading
Jump to
Jump to file
Failed to load files.
Loading
Diff view
Diff view
64 changes: 46 additions & 18 deletions src/rebar3-nix-bootstrap
View file
Open in desktop
Original file line number Diff line number Diff line change
Expand Up @@ -29,6 +29,7 @@
, compile_ports
, erl_libs
, plugins
, build_inputs
, root
, name
, registry_snapshot}).
Expand All @@ -37,7 +38,7 @@

main(Args) ->
{ok, ArgData} = parse_args(Args),
{ok, RequiredData} = gather_required_data_from_the_environment(ArgData),
{ok, RequiredData} = gather_data_from_the_environment(ArgData),
do(RequiredData).

%% @doc
Expand All @@ -50,6 +51,7 @@ do(RequiredData) ->
ok = bootstrap_registry(RequiredData),
ok = bootstrap_configs(RequiredData),
ok = bootstrap_plugins(RequiredData),
ok = bootstrap_lock(RequiredData),
ok = bootstrap_libs(RequiredData).

%% @doc
Expand All @@ -64,7 +66,23 @@ parse_args(Args) ->
bootstrap_configs(RequiredData)->
io:format("Boostrapping app and rebar configurations~n"),
ok = if_single_app_project_update_app_src_version(RequiredData),
ok = if_compile_ports_add_pc_plugin(RequiredData).
ok = rewrite_rebar_config(RequiredData).

-spec bootstrap_lock(#data{}) -> ok.
bootstrap_lock(#data{build_inputs = Inputs}) ->
io:format("Bootstrapping rebar.lock~n"),
Paths = string:tokens(Inputs, ":"),
Versions =
lists:map(fun(Path) ->
{"/nix/store/"++_, PkgVsn} = lists:split(44, Path),
{ok, AppName} = file:read_file(filename:join(Path, "nix-support/appName")),
{PkgName, Version} = split_app_vsn(PkgVsn),
{AppName, list_to_binary(PkgName), list_to_binary(Version)}
end, Paths),
Lock = lists:map(fun({AppName, PkgName, Version}) ->
{AppName, {pkg, PkgName, Version}, 0}
end, Versions),
write_terms("rebar.lock", [Lock]).

-spec bootstrap_plugins(#data{}) -> ok.
bootstrap_plugins(#data{plugins = Plugins}) ->
Expand Down Expand Up @@ -137,9 +155,13 @@ make_symlink(Path, TargetFile) ->
%% respect OTP conventions in some cases.
-spec fixup_app_name(string()) -> string().
fixup_app_name(FileName) ->
[Name, _Version] = string:tokens(FileName, "-"),
{Name, _Version} = split_app_vsn(FileName),
Name.

split_app_vsn(AppVsn) ->
[N, V] = re:split(AppVsn, "-", [{parts, 2}, {return, list}]),
{N, V}.

-spec bootstrap_registry(#data{}) -> ok.
bootstrap_registry(#data{registry_snapshot = RegistrySnapshot}) ->
io:format("Bootstrapping Hex Registry for Rebar~n"),
Expand All @@ -164,11 +186,12 @@ make_sure_registry_snapshot_exists(RegistrySnapshot) ->
erlang:halt(1)
end.

-spec gather_required_data_from_the_environment(#data{}) -> {ok, map()}.
gather_required_data_from_the_environment(ArgData) ->
-spec gather_data_from_the_environment(#data{}) -> {ok, map()}.
gather_data_from_the_environment(ArgData) ->
{ok, ArgData#data{ version = guard_env("version")
, erl_libs = os:getenv("ERL_LIBS", [])
, plugins = os:getenv("buildPlugins", [])
, build_inputs = os:getenv("ERLANG_DEPS", "")
, root = code:root_dir()
, name = guard_env("name")
, compile_ports = nix2bool(os:getenv("compilePorts", ""))
Expand All @@ -192,26 +215,31 @@ guard_env(Name) ->
Variable
end.

write_terms(Fn, Terms) ->
Text = lists:map(fun(Term) -> io_lib:format("~tp.~n", [Term]) end,
Terms),
file:write_file(Fn, Text).

%% @doc
%% If the compile ports flag is set, rewrite the rebar config to
%% include the 'pc' plugin.
-spec if_compile_ports_add_pc_plugin(#data{}) -> ok.
if_compile_ports_add_pc_plugin(#data{compile_ports = true}) ->
ConfigTerms = update_config(read_rebar_config()),
Text = lists:map(fun(Term) -> io_lib:format("~tp.~n", [Term]) end,
ConfigTerms),
file:write_file("rebar.config", Text);
if_compile_ports_add_pc_plugin(_) ->
ok.
-spec rewrite_rebar_config(#data{}) -> ok.
rewrite_rebar_config(Data) ->
ConfigTerms0 = read_rebar_config(),
ConfigTerms1 = if_compile_ports_add_pc_plugin(Data, ConfigTerms0),
ConfigTerms2 = lists:keydelete(profiles, 1, ConfigTerms1),
write_terms("rebar.config", ConfigTerms2).

-spec update_config([term()]) -> [term()].
update_config(Config) ->
-spec if_compile_ports_add_pc_plugin(#data{}, [term()]) -> [term()].
if_compile_ports_add_pc_plugin(#data{compile_ports = true}, Config) ->
case lists:keysearch(plugins, 1, Config) of
{ok, {plugins, PluginList}} ->
lists:keystore(plugins, 1, Config, {plugins, [Config | PluginList]});
lists:keystore(plugins, 1, Config, {plugins, [pc | PluginList]});
_ ->
[{plugins, [pc]} | Config]
end.
end;
if_compile_ports_add_pc_plugin(_, Config) ->
Config.

-spec read_rebar_config() -> [term()].
read_rebar_config() ->
Expand All @@ -238,7 +266,7 @@ if_single_app_project_update_app_src_version(#data{name = Name,
update_app_src_with_version(SrcFile, Version) ->
{ok, [{application, Name, Details}]} = file:consult(SrcFile),
NewDetails = lists:keyreplace(vsn, 1, Details, {vsn, Version}),
file:write_file(SrcFile, io_lib:fwrite("~p.\n", [{application, Name, NewDetails}])).
write_terms(SrcFile, [[{application, Name, NewDetails}]]).

-spec app_src_exists(string()) -> boolean().
app_src_exists(Name) ->
Expand Down