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Dave Smith 2009-12-12 07:45:24 -07:00
commit 2b7971cc6b
1 changed files with 85 additions and 24 deletions
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109
src/rebar_reltool.erl
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@ -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.