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Adding rudimentary support for creating empty dirs in reltool target
This commit is contained in:
Dave Smith
parent
9e618f79c5
commit
3685c4fd4e
1 changed files with 85 additions and 24 deletions
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@ -39,11 +39,11 @@ generate(Config, ReltoolFile) ->
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ReltoolConfig = load_config(ReltoolFile),
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%% Spin up reltool server and load our config into it
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{ok, Server} = reltool:start_server([{sys, ReltoolConfig}]),
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{ok, Server} = reltool:start_server([sys_tuple(ReltoolConfig)]),
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%% Do some validation of the reltool configuration; error messages out of
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%% reltool are still pretty cryptic
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validate_rel_apps(Server, ReltoolConfig),
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validate_rel_apps(Server, sys_tuple(ReltoolConfig)),
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%% Finally, run reltool
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case catch(run_reltool(Config, ReltoolConfig)) of
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@ -59,7 +59,7 @@ generate(Config, ReltoolFile) ->
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clean(Config, ReltoolFile) ->
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ReltoolConfig = load_config(ReltoolFile),
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TargetDir = target_dir(Config, ReltoolConfig),
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TargetDir = target_dir(Config, sys_tuple(ReltoolConfig)),
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rebar_file_utils:rm_rf(TargetDir),
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rebar_file_utils:delete_each(["reltool.spec"]).
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@ -69,11 +69,20 @@ clean(Config, ReltoolFile) ->
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%% Internal functions
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%% ===================================================================
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sys_tuple(ReltoolConfig) ->
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case lists:keysearch(sys, 1, ReltoolConfig) of
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{value, {sys, Data}} ->
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{sys, Data};
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false ->
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?ERROR("Failed to find {sys, ...} tuple in reltool.config.", []),
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?FAIL
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end.
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load_config(ReltoolFile) ->
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%% Load the reltool configuration from the file
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case file:consult(ReltoolFile) of
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{ok, [{sys, ReltoolConfig}]} ->
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ReltoolConfig;
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{ok, Terms} ->
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Terms;
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Other ->
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?ERROR("Failed to load expected config from ~s: ~p\n", [ReltoolFile, Other]),
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?FAIL
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@ -85,7 +94,7 @@ load_config(ReltoolFile) ->
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%% first, or fall back to the release name if that's available. If neither
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%% is available, just use "target"
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%%
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target_dir(Config, ReltoolConfig) ->
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target_dir(Config, {sys, ReltoolConfig}) ->
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case rebar_config:get(Config, target_name, undefined) of
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undefined ->
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case lists:keysearch(rel, 1, ReltoolConfig) of
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@ -98,7 +107,7 @@ target_dir(Config, ReltoolConfig) ->
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Name
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end.
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validate_rel_apps(ReltoolServer, ReltoolConfig) ->
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validate_rel_apps(ReltoolServer, {sys, ReltoolConfig}) ->
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case lists:keysearch(rel, 1, ReltoolConfig) of
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{value, {rel, _Name, _Vsn, Apps}} ->
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%% Identify all the apps that do NOT exist, based on what's available
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@ -132,26 +141,22 @@ app_exists(AppTuple, Server) when is_tuple(AppTuple) ->
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run_reltool(Config, ReltoolConfig) ->
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{ok, Server} = reltool:start_server([{sys, ReltoolConfig}]),
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{ok, Server} = reltool:start_server([sys_tuple(ReltoolConfig)]),
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case reltool:get_target_spec(Server) of
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{ok, Spec} ->
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dump_spec(Spec),
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TargetDir = target_dir(Config, ReltoolConfig),
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case file:make_dir(TargetDir) of
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ok ->
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ok;
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{error, eexist} ->
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%% Output directory already exists; if force=1, wipe it out
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case rebar_config:get_global(force, "0") of
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"1" ->
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rebar_file_utils:rm_rf(TargetDir),
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ok = file:make_dir(TargetDir);
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_ ->
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?ERROR("Release target directory ~p already exists!\n", [TargetDir]),
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?FAIL
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end
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end,
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case reltool:eval_target_spec(Spec, code:root_dir(), TargetDir) of
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TargetDir = target_dir(Config, sys_tuple(ReltoolConfig)),
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mk_target_dir(TargetDir),
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%% Post process the specification with rebar directives (if any exist)
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FinalSpec = case lists:keysearch(rebar, 1, ReltoolConfig) of
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{value, {rebar, RebarConfig}} ->
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process_rebar_specs(RebarConfig, Spec);
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false ->
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Spec
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end,
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case reltool:eval_target_spec(FinalSpec, code:root_dir(), TargetDir) of
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ok ->
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ok;
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{error, Reason} ->
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@ -162,6 +167,23 @@ run_reltool(Config, ReltoolConfig) ->
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?ERROR("Unable to generate spec: ~s\n", [Reason]),
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?FAIL
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end.
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mk_target_dir(TargetDir) ->
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case file:make_dir(TargetDir) of
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ok ->
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ok;
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{error, eexist} ->
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%% Output directory already exists; if force=1, wipe it out
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case rebar_config:get_global(force, "0") of
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"1" ->
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rebar_file_utils:rm_rf(TargetDir),
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ok = file:make_dir(TargetDir);
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_ ->
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?ERROR("Release target directory ~p already exists!\n", [TargetDir]),
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?FAIL
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end
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end.
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dump_spec(Spec) ->
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@ -173,3 +195,42 @@ dump_spec(Spec) ->
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ok
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end.
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post_process_spec(ReltoolConfig, Spec) ->
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case lists:keysearch(rebar, 1, ReltoolConfig) of
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{value, RebarConfig} ->
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process_rebar_specs(RebarConfig, Spec);
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false ->
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Spec
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end.
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process_rebar_specs([], Spec) ->
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Spec;
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process_rebar_specs([{empty_dirs, Dirs} | Rest], Spec) ->
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Spec2 = lists:foldl(fun(Dir, SpecAcc) ->
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spec_create_dir(filename:split(Dir), SpecAcc)
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end, Spec, Dirs),
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process_rebar_specs(Rest, Spec2);
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process_rebar_specs([ Other | Rest], Spec) ->
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?WARN("Ignoring unknown rebar spec: ~p\n", [Other]),
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process_rebar_specs(Rest, Spec).
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spec_create_dir([], Spec) ->
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Spec;
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spec_create_dir([Path | Rest], Spec) ->
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case lists:keysearch(Path, 2, Spec) of
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{value, {create_dir, Path, Subspec}} ->
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%% Directory already exists; process down into
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%% Note: this is not tail recursive, but unless the directory structure
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%% is insanely deep, shouldn't be a problem
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lists:keystore(Path, 2, Spec, {create_dir, Path, spec_create_dir(Rest, Subspec)});
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{value, Other} ->
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%% Collision -- something other than create_dir is associated with this
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%% portion of our path name.
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?ERROR("Collision of path name with existing tuple in spec: ~p\n", [Other]),
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?FAIL;
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false ->
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%% Directory doesn't yet exist
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[{create_dir, Path, spec_create_dir(Rest, [])} | Spec]
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end.
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