$ git clone -n https://src.fedoraproject.org/rpms/qt-mobility.git /var/lib/mock/f41-build-1032123-18543/root/chroot_tmpdir/scmroot/qt-mobility
Cloning into '/var/lib/mock/f41-build-1032123-18543/root/chroot_tmpdir/scmroot/qt-mobility'...
$ git fetch origin 1cae6cfe15ccf29696e6c6d27afc17e4f42eca3a:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/qt-mobility
 * [new ref]         1cae6cfe15ccf29696e6c6d27afc17e4f42eca3a -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 1cae6cf Eliminate use of obsolete %patchN syntax (#2283636)