portability fixes for some tests
Apparently the ls on OS X 10.3.9 exits with success even if the file
given on the command line doesn't exist
%% no changes
%% no changes
%% uncompressed contents in repo
this is a test
%% uncompress our working dir copy
this is a test
1 files updated, 0 files merged, 0 files removed, 0 files unresolved
%% uncompress our new working dir copy
this is a test