2011-01-31 16:43:31 +00:00
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%% -*- erlang-indent-level: 4;indent-tabs-mode: nil -*-
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2009-12-31 18:42:53 +00:00
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%% ex: ts=4 sw=4 et
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2009-11-25 22:23:42 +00:00
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%% -------------------------------------------------------------------
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%%
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%% rebar: Erlang Build Tools
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%%
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%% Copyright (c) 2009 Dave Smith (dizzyd@dizzyd.com)
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%%
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%% Permission is hereby granted, free of charge, to any person obtaining a copy
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%% of this software and associated documentation files (the "Software"), to deal
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%% in the Software without restriction, including without limitation the rights
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%% to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
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%% copies of the Software, and to permit persons to whom the Software is
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%% furnished to do so, subject to the following conditions:
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%%
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%% The above copyright notice and this permission notice shall be included in
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%% all copies or substantial portions of the Software.
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%%
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%% THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
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%% IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
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%% FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
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%% AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
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%% LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
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%% OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
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%% THE SOFTWARE.
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%% -------------------------------------------------------------------
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-module(rebar_app_utils).
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2009-11-29 23:44:30 +00:00
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-export([is_app_dir/0, is_app_dir/1,
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2010-05-07 18:01:48 +00:00
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is_app_src/1,
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app_src_to_app/1,
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2010-04-28 14:44:06 +00:00
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app_name/1,
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app_applications/1,
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app_vsn/1]).
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-export([load_app_file/1]). % TEMPORARY
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2009-11-29 23:44:30 +00:00
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-include("rebar.hrl").
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%% ===================================================================
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%% Public API
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%% ===================================================================
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2009-11-25 22:23:42 +00:00
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is_app_dir() ->
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2010-06-19 16:53:54 +00:00
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is_app_dir(rebar_utils:get_cwd()).
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2009-11-25 22:23:42 +00:00
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is_app_dir(Dir) ->
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2011-07-24 20:36:03 +00:00
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SrcDir = filename:join([Dir, "src"]),
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AppSrc = filename:join([SrcDir, "*.app.src"]),
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2010-05-07 18:01:48 +00:00
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case filelib:wildcard(AppSrc) of
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[AppSrcFile] ->
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{true, AppSrcFile};
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2011-07-24 20:36:03 +00:00
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[] ->
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EbinDir = filename:join([Dir, "ebin"]),
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App = filename:join([EbinDir, "*.app"]),
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2010-05-07 18:01:48 +00:00
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case filelib:wildcard(App) of
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[AppFile] ->
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{true, AppFile};
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2011-07-24 20:36:03 +00:00
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[] ->
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false;
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2010-05-07 18:01:48 +00:00
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_ ->
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2011-07-24 20:36:03 +00:00
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?ERROR("More than one .app file in ~s~n", [EbinDir]),
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2010-05-07 18:01:48 +00:00
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false
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2011-07-24 20:36:03 +00:00
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end;
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_ ->
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?ERROR("More than one .app.src file in ~s~n", [SrcDir]),
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false
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2009-11-25 22:23:42 +00:00
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end.
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2009-11-29 23:44:30 +00:00
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2010-05-07 18:01:48 +00:00
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is_app_src(Filename) ->
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%% If removing the extension .app.src yields a shorter name,
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%% this is an .app.src file.
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2010-10-25 22:38:51 +00:00
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Filename =/= filename:rootname(Filename, ".app.src").
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2010-05-07 18:01:48 +00:00
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app_src_to_app(Filename) ->
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filename:join("ebin", filename:basename(Filename, ".app.src") ++ ".app").
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2010-04-28 14:44:06 +00:00
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app_name(AppFile) ->
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case load_app_file(AppFile) of
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{ok, AppName, _} ->
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AppName;
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{error, Reason} ->
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?ABORT("Failed to extract name from ~s: ~p\n",
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[AppFile, Reason])
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end.
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app_applications(AppFile) ->
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case load_app_file(AppFile) of
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{ok, _, AppInfo} ->
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2011-01-07 11:40:02 +00:00
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get_value(applications, AppInfo, AppFile);
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2010-04-28 14:44:06 +00:00
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{error, Reason} ->
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?ABORT("Failed to extract applications from ~s: ~p\n",
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[AppFile, Reason])
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end.
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app_vsn(AppFile) ->
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case load_app_file(AppFile) of
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{ok, _, AppInfo} ->
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2011-03-29 19:10:52 +00:00
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AppDir = filename:dirname(filename:dirname(AppFile)),
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vcs_vsn(get_value(vsn, AppInfo, AppFile), AppDir);
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2010-04-28 14:44:06 +00:00
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{error, Reason} ->
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?ABORT("Failed to extract vsn from ~s: ~p\n",
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[AppFile, Reason])
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end.
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%% ===================================================================
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%% Internal functions
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%% ===================================================================
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2009-11-29 23:44:30 +00:00
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load_app_file(Filename) ->
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2010-10-25 22:38:51 +00:00
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AppFile = {app_file, Filename},
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case erlang:get(AppFile) of
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2010-04-28 19:02:51 +00:00
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undefined ->
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case file:consult(Filename) of
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{ok, [{application, AppName, AppData}]} ->
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2010-10-25 22:38:51 +00:00
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erlang:put(AppFile, {AppName, AppData}),
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2010-04-28 19:02:51 +00:00
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{ok, AppName, AppData};
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2010-10-25 22:38:51 +00:00
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{error, _} = Error ->
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Error;
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2010-04-28 19:02:51 +00:00
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Other ->
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{error, {unexpected_terms, Other}}
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end;
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{AppName, AppData} ->
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{ok, AppName, AppData}
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2009-11-29 23:44:30 +00:00
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end.
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2011-01-07 11:40:02 +00:00
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get_value(Key, AppInfo, AppFile) ->
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case proplists:get_value(Key, AppInfo) of
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undefined ->
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?ABORT("Failed to get app value '~p' from '~s'~n", [Key, AppFile]);
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Value ->
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Value
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end.
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2011-02-16 22:47:23 +00:00
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2011-03-29 19:10:52 +00:00
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vcs_vsn(Vcs, Dir) ->
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2011-02-18 09:59:57 +00:00
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case vcs_vsn_cmd(Vcs) of
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{unknown, VsnString} ->
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2011-04-10 22:01:23 +00:00
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?DEBUG("vcs_vsn: Unknown VCS atom in vsn field: ~p\n", [Vcs]),
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2011-02-18 09:59:57 +00:00
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VsnString;
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Cmd ->
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2011-04-10 22:01:23 +00:00
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%% If there is a valid VCS directory in the application directory,
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%% use that version info
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Extension = lists:concat([".", Vcs]),
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case filelib:is_dir(filename:join(Dir, Extension)) of
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true ->
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?DEBUG("vcs_vsn: Primary vcs used for ~s\n", [Dir]),
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vcs_vsn_invoke(Cmd, Dir);
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false ->
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%% No VCS directory found for the app. Depending on source
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%% tree structure, there may be one higher up, but that can
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%% yield unexpected results when used with deps. So, we
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%% fallback to searching for a priv/vsn.Vcs file.
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case file:read_file(filename:join([Dir, "priv", "vsn" ++ Extension])) of
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{ok, VsnBin} ->
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?DEBUG("vcs_vsn: Read ~s from priv/vsn.~p\n", [VsnBin, Vcs]),
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string:strip(binary_to_list(VsnBin), right, $\n);
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{error, enoent} ->
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?DEBUG("vcs_vsn: Fallback to vcs for ~s\n", [Dir]),
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vcs_vsn_invoke(Cmd, Dir)
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end
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end
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2011-02-18 09:59:57 +00:00
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end.
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2011-02-16 22:47:23 +00:00
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2011-08-13 20:53:28 +00:00
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vcs_vsn_cmd(git) -> "git describe --always --tags `git log -n 1 --pretty=format:%h .`";
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2011-02-18 09:59:57 +00:00
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vcs_vsn_cmd(hg) -> "hg identify -i";
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2011-02-16 22:47:23 +00:00
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vcs_vsn_cmd(bzr) -> "bzr revno";
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2011-02-18 09:59:57 +00:00
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vcs_vsn_cmd(svn) -> "svnversion";
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vcs_vsn_cmd(Version) -> {unknown, Version}.
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2011-04-10 22:01:23 +00:00
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vcs_vsn_invoke(Cmd, Dir) ->
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{ok, VsnString} = rebar_utils:sh(Cmd, [{cd, Dir}, {use_stdout, false}]),
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string:strip(VsnString, right, $\n).
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