$ git clone -n https://src.fedoraproject.org/rpms/qt5-qtquickcontrols.git /var/lib/mock/f41-build-811746-147521/root/chroot_tmpdir/scmroot/qt5-qtquickcontrols
Cloning into '/var/lib/mock/f41-build-811746-147521/root/chroot_tmpdir/scmroot/qt5-qtquickcontrols'...
$ git fetch origin 25cca32ddbbd77721f237c31361686266cc46c41:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/qt5-qtquickcontrols
 * [new ref]         25cca32ddbbd77721f237c31361686266cc46c41 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 25cca32 5.15.14