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Add support for priv/<vcs.vsn> as fallback for version info

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This commit is contained in:
Dave Smith 2011-04-10 16:01:23 -06:00
parent c4907b6297
commit 4dc2414d89
1 changed files with 26 additions and 2 deletions
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28
src/rebar_app_utils.erl
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@ -129,10 +129,30 @@ get_value(Key, AppInfo, AppFile) ->
vcs_vsn(Vcs, Dir) -> vcs_vsn(Vcs, Dir) ->
case vcs_vsn_cmd(Vcs) of case vcs_vsn_cmd(Vcs) of
{unknown, VsnString} -> {unknown, VsnString} ->
?DEBUG("vcs_vsn: Unknown VCS atom in vsn field: ~p\n", [Vcs]),
VsnString; VsnString;
Cmd -> Cmd ->
{ok, VsnString} = rebar_utils:sh(Cmd, [{cd, Dir}, {use_stdout, false}]), %% If there is a valid VCS directory in the application directory,
string:strip(VsnString, right, $\n) %% use that version info
Extension = lists:concat([".", Vcs]),
case filelib:is_dir(filename:join(Dir, Extension)) of
true ->
?DEBUG("vcs_vsn: Primary vcs used for ~s\n", [Dir]),
vcs_vsn_invoke(Cmd, Dir);
false ->
%% No VCS directory found for the app. Depending on source
%% tree structure, there may be one higher up, but that can
%% yield unexpected results when used with deps. So, we
%% fallback to searching for a priv/vsn.Vcs file.
case file:read_file(filename:join([Dir, "priv", "vsn" ++ Extension])) of
{ok, VsnBin} ->
?DEBUG("vcs_vsn: Read ~s from priv/vsn.~p\n", [VsnBin, Vcs]),
string:strip(binary_to_list(VsnBin), right, $\n);
{error, enoent} ->
?DEBUG("vcs_vsn: Fallback to vcs for ~s\n", [Dir]),
vcs_vsn_invoke(Cmd, Dir)
end
end
end. end.
vcs_vsn_cmd(git) -> "git describe --always --tags"; vcs_vsn_cmd(git) -> "git describe --always --tags";
@ -140,3 +160,7 @@ vcs_vsn_cmd(hg) -> "hg identify -i";
vcs_vsn_cmd(bzr) -> "bzr revno"; vcs_vsn_cmd(bzr) -> "bzr revno";
vcs_vsn_cmd(svn) -> "svnversion"; vcs_vsn_cmd(svn) -> "svnversion";
vcs_vsn_cmd(Version) -> {unknown, Version}. vcs_vsn_cmd(Version) -> {unknown, Version}.
vcs_vsn_invoke(Cmd, Dir) ->
{ok, VsnString} = rebar_utils:sh(Cmd, [{cd, Dir}, {use_stdout, false}]),
string:strip(VsnString, right, $\n).