$ git clone -n https://src.fedoraproject.org/rpms/qqc2-breeze-style.git /var/lib/mock/f41-build-859029-168524/root/chroot_tmpdir/scmroot/qqc2-breeze-style
Cloning into '/var/lib/mock/f41-build-859029-168524/root/chroot_tmpdir/scmroot/qqc2-breeze-style'...
$ git fetch origin 3c19ab33adb5c08081ef359ff49e5cf2cbe4c3e2:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/qqc2-breeze-style
 * [new ref]         3c19ab33adb5c08081ef359ff49e5cf2cbe4c3e2 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 3c19ab3 6.2.2