diff options
Diffstat (limited to 'src/rebar_app_utils.erl')
| -rw-r--r-- | src/rebar_app_utils.erl | 28 |
1 files changed, 26 insertions, 2 deletions
diff --git a/src/rebar_app_utils.erl b/src/rebar_app_utils.erl index 911f436..7e6cbd9 100644 --- a/src/rebar_app_utils.erl +++ b/src/rebar_app_utils.erl @@ -129,10 +129,30 @@ get_value(Key, AppInfo, AppFile) -> vcs_vsn(Vcs, Dir) -> case vcs_vsn_cmd(Vcs) of {unknown, VsnString} -> + ?DEBUG("vcs_vsn: Unknown VCS atom in vsn field: ~p\n", [Vcs]), VsnString; Cmd -> - {ok, VsnString} = rebar_utils:sh(Cmd, [{cd, Dir}, {use_stdout, false}]), - string:strip(VsnString, right, $\n) + %% If there is a valid VCS directory in the application directory, + %% 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. 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(svn) -> "svnversion"; 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). |