$ git clone -n https://src.fedoraproject.org/rpms/qt6-qtquicktimeline.git /var/lib/mock/f40-build-786440-134291/root/chroot_tmpdir/scmroot/qt6-qtquicktimeline
Cloning into '/var/lib/mock/f40-build-786440-134291/root/chroot_tmpdir/scmroot/qt6-qtquicktimeline'...
$ git fetch origin 924c47ac3ae59c4d6152db712439c396aeba3e29:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/qt6-qtquicktimeline
 * [new ref]         924c47ac3ae59c4d6152db712439c396aeba3e29 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 924c47a 6.6.2