$ git clone -n https://src.fedoraproject.org/rpms/qt5-qtmultimedia.git /var/lib/mock/f41-build-812277-147773/root/chroot_tmpdir/scmroot/qt5-qtmultimedia
Cloning into '/var/lib/mock/f41-build-812277-147773/root/chroot_tmpdir/scmroot/qt5-qtmultimedia'...
$ git fetch origin 3360fe0335a58e5f7b651c0b928fc679d1f193d7:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/qt5-qtmultimedia
 * [new ref]         3360fe0335a58e5f7b651c0b928fc679d1f193d7 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 3360fe0 Use autosetup to automatically apply all patches