diff options
Diffstat (limited to 'src/rebar_reltool.erl')
| -rw-r--r-- | src/rebar_reltool.erl | 109 |
1 files changed, 85 insertions, 24 deletions
diff --git a/src/rebar_reltool.erl b/src/rebar_reltool.erl index e1ffbe0..a354b26 100644 --- a/src/rebar_reltool.erl +++ b/src/rebar_reltool.erl @@ -39,11 +39,11 @@ generate(Config, ReltoolFile) -> ReltoolConfig = load_config(ReltoolFile), %% Spin up reltool server and load our config into it - {ok, Server} = reltool:start_server([{sys, ReltoolConfig}]), + {ok, Server} = reltool:start_server([sys_tuple(ReltoolConfig)]), %% Do some validation of the reltool configuration; error messages out of %% reltool are still pretty cryptic - validate_rel_apps(Server, ReltoolConfig), + validate_rel_apps(Server, sys_tuple(ReltoolConfig)), %% Finally, run reltool case catch(run_reltool(Config, ReltoolConfig)) of @@ -59,7 +59,7 @@ generate(Config, ReltoolFile) -> clean(Config, ReltoolFile) -> ReltoolConfig = load_config(ReltoolFile), - TargetDir = target_dir(Config, ReltoolConfig), + TargetDir = target_dir(Config, sys_tuple(ReltoolConfig)), rebar_file_utils:rm_rf(TargetDir), rebar_file_utils:delete_each(["reltool.spec"]). @@ -69,11 +69,20 @@ clean(Config, ReltoolFile) -> %% Internal functions %% =================================================================== +sys_tuple(ReltoolConfig) -> + case lists:keysearch(sys, 1, ReltoolConfig) of + {value, {sys, Data}} -> + {sys, Data}; + false -> + ?ERROR("Failed to find {sys, ...} tuple in reltool.config.", []), + ?FAIL + end. + load_config(ReltoolFile) -> %% Load the reltool configuration from the file case file:consult(ReltoolFile) of - {ok, [{sys, ReltoolConfig}]} -> - ReltoolConfig; + {ok, Terms} -> + Terms; Other -> ?ERROR("Failed to load expected config from ~s: ~p\n", [ReltoolFile, Other]), ?FAIL @@ -85,7 +94,7 @@ load_config(ReltoolFile) -> %% first, or fall back to the release name if that's available. If neither %% is available, just use "target" %% -target_dir(Config, ReltoolConfig) -> +target_dir(Config, {sys, ReltoolConfig}) -> case rebar_config:get(Config, target_name, undefined) of undefined -> case lists:keysearch(rel, 1, ReltoolConfig) of @@ -98,7 +107,7 @@ target_dir(Config, ReltoolConfig) -> Name end. -validate_rel_apps(ReltoolServer, ReltoolConfig) -> +validate_rel_apps(ReltoolServer, {sys, ReltoolConfig}) -> case lists:keysearch(rel, 1, ReltoolConfig) of {value, {rel, _Name, _Vsn, Apps}} -> %% Identify all the apps that do NOT exist, based on what's available @@ -132,26 +141,22 @@ app_exists(AppTuple, Server) when is_tuple(AppTuple) -> run_reltool(Config, ReltoolConfig) -> - {ok, Server} = reltool:start_server([{sys, ReltoolConfig}]), + {ok, Server} = reltool:start_server([sys_tuple(ReltoolConfig)]), case reltool:get_target_spec(Server) of {ok, Spec} -> dump_spec(Spec), - TargetDir = target_dir(Config, ReltoolConfig), - case file:make_dir(TargetDir) of - ok -> - ok; - {error, eexist} -> - %% Output directory already exists; if force=1, wipe it out - case rebar_config:get_global(force, "0") of - "1" -> - rebar_file_utils:rm_rf(TargetDir), - ok = file:make_dir(TargetDir); - _ -> - ?ERROR("Release target directory ~p already exists!\n", [TargetDir]), - ?FAIL - end - end, - case reltool:eval_target_spec(Spec, code:root_dir(), TargetDir) of + TargetDir = target_dir(Config, sys_tuple(ReltoolConfig)), + mk_target_dir(TargetDir), + + %% Post process the specification with rebar directives (if any exist) + FinalSpec = case lists:keysearch(rebar, 1, ReltoolConfig) of + {value, {rebar, RebarConfig}} -> + process_rebar_specs(RebarConfig, Spec); + false -> + Spec + end, + + case reltool:eval_target_spec(FinalSpec, code:root_dir(), TargetDir) of ok -> ok; {error, Reason} -> @@ -162,6 +167,23 @@ run_reltool(Config, ReltoolConfig) -> ?ERROR("Unable to generate spec: ~s\n", [Reason]), ?FAIL end. + + +mk_target_dir(TargetDir) -> + case file:make_dir(TargetDir) of + ok -> + ok; + {error, eexist} -> + %% Output directory already exists; if force=1, wipe it out + case rebar_config:get_global(force, "0") of + "1" -> + rebar_file_utils:rm_rf(TargetDir), + ok = file:make_dir(TargetDir); + _ -> + ?ERROR("Release target directory ~p already exists!\n", [TargetDir]), + ?FAIL + end + end. dump_spec(Spec) -> @@ -173,3 +195,42 @@ dump_spec(Spec) -> ok end. +post_process_spec(ReltoolConfig, Spec) -> + case lists:keysearch(rebar, 1, ReltoolConfig) of + {value, RebarConfig} -> + process_rebar_specs(RebarConfig, Spec); + false -> + Spec + end. + +process_rebar_specs([], Spec) -> + Spec; +process_rebar_specs([{empty_dirs, Dirs} | Rest], Spec) -> + Spec2 = lists:foldl(fun(Dir, SpecAcc) -> + spec_create_dir(filename:split(Dir), SpecAcc) + end, Spec, Dirs), + process_rebar_specs(Rest, Spec2); +process_rebar_specs([ Other | Rest], Spec) -> + ?WARN("Ignoring unknown rebar spec: ~p\n", [Other]), + process_rebar_specs(Rest, Spec). + + +spec_create_dir([], Spec) -> + Spec; +spec_create_dir([Path | Rest], Spec) -> + case lists:keysearch(Path, 2, Spec) of + {value, {create_dir, Path, Subspec}} -> + %% Directory already exists; process down into + %% Note: this is not tail recursive, but unless the directory structure + %% is insanely deep, shouldn't be a problem + lists:keystore(Path, 2, Spec, {create_dir, Path, spec_create_dir(Rest, Subspec)}); + {value, Other} -> + %% Collision -- something other than create_dir is associated with this + %% portion of our path name. + ?ERROR("Collision of path name with existing tuple in spec: ~p\n", [Other]), + ?FAIL; + false -> + %% Directory doesn't yet exist + [{create_dir, Path, spec_create_dir(Rest, [])} | Spec] + end. + |