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| author | Tuncer Ayaz <tuncer.ayaz@gmail.com> | 2012-02-02 22:50:32 +0100 |
|---|---|---|
| committer | Tuncer Ayaz <tuncer.ayaz@gmail.com> | 2012-02-02 22:54:40 +0100 |
| commit | a176db6937e62cbae43086a729bf47c76214cbd6 (patch) | |
| tree | a847462c8225c2b343d0282c6d3aa2730e1e6b6d | |
| parent | fe1652e13718889b3e561aea5f688ab58a696774 (diff) | |
Fix Dialyzer (race condition) warning
| -rw-r--r-- | src/rebar_utils.erl | 9 |
1 files changed, 5 insertions, 4 deletions
diff --git a/src/rebar_utils.erl b/src/rebar_utils.erl index afb8c00..113dd21 100644 --- a/src/rebar_utils.erl +++ b/src/rebar_utils.erl @@ -190,10 +190,11 @@ expand_env_variable(InStr, VarName, RawVarValue) -> vcs_vsn(Vcs, Dir) -> Key = {Vcs, Dir}, - case ets:lookup(rebar_vsn_cache, Key) of - [{Key, VsnString}] -> - VsnString; - [] -> + try ets:lookup_element(rebar_vsn_cache, Key, 2) of + VsnString -> + VsnString + catch + error:badarg -> VsnString = vcs_vsn_1(Vcs, Dir), ets:insert(rebar_vsn_cache, {Key, VsnString}), VsnString |