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-rw-r--r--src/rebar_upgrade.erl22
1 files changed, 16 insertions, 6 deletions
diff --git a/src/rebar_upgrade.erl b/src/rebar_upgrade.erl
index d18603c..1441c5a 100644
--- a/src/rebar_upgrade.erl
+++ b/src/rebar_upgrade.erl
@@ -184,13 +184,23 @@ boot_files(TargetDir, Ver, Name) ->
filename:join([TargetDir, "releases", Ver, "start_clean.boot"]),
filename:join([".", ?TMP, "releases", Ver, "start_clean.boot"])),
- {ok, _} = file:copy(
- filename:join([TargetDir, "releases", Ver, "sys.config"]),
- filename:join([".", ?TMP, "releases", Ver, "sys.config"])),
+ SysConfig = filename:join([TargetDir, "releases", Ver, "sys.config"]),
+ case filelib:is_regular(SysConfig) of
+ true ->
+ {ok, _} = file:copy(
+ SysConfig,
+ filename:join([".", ?TMP, "releases", Ver, "sys.config"]));
+ false -> ok
+ end,
- {ok, _} = file:copy(
- filename:join([TargetDir, "releases", Ver, "vm.args"]),
- filename:join([".", ?TMP, "releases", Ver, "vm.args"])).
+ VmArgs = filename:join([TargetDir, "releases", Ver, "vm.args"]),
+ case filelib:is_regular(VmArgs) of
+ true ->
+ {ok, _} = file:copy(
+ VmArgs,
+ filename:join([".", ?TMP, "releases", Ver, "vm.args"]));
+ false -> {ok, 0}
+ end.
make_tar(NameVer, NewVer, NewName) ->
Filename = NameVer ++ ".tar.gz",