Re: [PATCH 03/10] t1450: make hash size independent

> On Sun, Jun 9, 2019 at 6:44 PM brian m. carlson
> <sandals@crustytoothpaste.net> wrote:
> > Replace several hard-coded full and partial object IDs with variables or
> > computed values.  Create junk data to stuff inside an invalid tree that
> > can be either 20 or 32 bytes long.  Compute a binary all-zeros object ID
> > instead of hard-coding a 20-byte length.
> > [...]
> > Signed-off-by: brian m. carlson <sandals@crustytoothpaste.net>
> > ---
> > diff --git a/t/t1450-fsck.sh b/t/t1450-fsck.sh
> > @@ -9,6 +9,7 @@ test_description='git fsck random collection of tests
> >  test_expect_success setup '
> > +       test_oid_init &&
> >         git config gc.auto 0 &&
> >         git config i18n.commitencoding ISO-8859-1 &&
> >         test_commit A fileA one &&
> > @@ -16,7 +17,8 @@ test_expect_success setup '
> >         git checkout HEAD^0 &&
> >         test_commit B fileB two &&
> >         git tag -d A B &&
> > -       git reflog expire --expire=now --all
> > +       git reflog expire --expire=now --all &&
> > +       test_oid_init
> >  '
> 
> Why does this function call test_oid_init() twice?