$ git clone -n https://src.fedoraproject.org/rpms/qt6-qtquicktimeline.git /var/lib/mock/f40-build-754196-117592/root/chroot_tmpdir/scmroot/qt6-qtquicktimeline
Cloning into '/var/lib/mock/f40-build-754196-117592/root/chroot_tmpdir/scmroot/qt6-qtquicktimeline'...
$ git fetch origin 0b1ce9d9cece13d33d704c135d9f258a46b13ce3:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/qt6-qtquicktimeline
 * [new ref]         0b1ce9d9cece13d33d704c135d9f258a46b13ce3 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 0b1ce9d 6.6.1