$ git clone -n https://src.fedoraproject.org/rpms/perl-Test-mysqld.git /var/lib/mock/f45-build-26910-620/root/chroot_tmpdir/scmroot/perl-Test-mysqld
Cloning into '/var/lib/mock/f45-build-26910-620/root/chroot_tmpdir/scmroot/perl-Test-mysqld'...
$ git fetch origin 6929b3324c36eaa5587c1c9535e75c82e01e4cb0:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/perl-Test-mysqld
 * [new ref]         6929b3324c36eaa5587c1c9535e75c82e01e4cb0 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 6929b33 Use DBD::MariaDB for compatility with test server