$ git clone -n https://src.fedoraproject.org/rpms/qt5-qtquickcontrols.git /var/lib/mock/f41-build-847177-163786/root/chroot_tmpdir/scmroot/qt5-qtquickcontrols
Cloning into '/var/lib/mock/f41-build-847177-163786/root/chroot_tmpdir/scmroot/qt5-qtquickcontrols'...
$ git fetch origin 788bc8b56223ac134c07fb097e82e75130fff553:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/qt5-qtquickcontrols
 * [new ref]         788bc8b56223ac134c07fb097e82e75130fff553 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 788bc8b 5.15.15