$ git clone -n https://src.fedoraproject.org/rpms/qt6ct.git /var/lib/mock/f40-build-786774-134615/root/chroot_tmpdir/scmroot/qt6ct
Cloning into '/var/lib/mock/f40-build-786774-134615/root/chroot_tmpdir/scmroot/qt6ct'...
$ git fetch origin 14fdd243337d9a46e73fd20dd111cd64741e6aec:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/qt6ct
 * [new ref]         14fdd243337d9a46e73fd20dd111cd64741e6aec -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 14fdd24 Rebuild (qt6)