$ git clone -n https://src.fedoraproject.org/rpms/perl-Object-InsideOut.git /var/lib/mock/f45-build-25432-611/root/chroot_tmpdir/scmroot/perl-Object-InsideOut
Cloning into '/var/lib/mock/f45-build-25432-611/root/chroot_tmpdir/scmroot/perl-Object-InsideOut'...
$ git fetch origin 454bb279afe8dbc17c277857a762dcd2c2e6ed89:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/perl-Object-InsideOut
 * [new ref]         454bb279afe8dbc17c277857a762dcd2c2e6ed89 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 454bb27 Perl 5.44 re-rebuild of bootstrapped packages