$ git clone -n https://src.fedoraproject.org/rpms/kf6.git /var/lib/mock/f43-build-60949785-6586677/root/chroot_tmpdir/scmroot/kf6
Cloning into '/var/lib/mock/f43-build-60949785-6586677/root/chroot_tmpdir/scmroot/kf6'...
$ git fetch origin 38276d0ac0bcd6ef721a5a87811f79f3505b7d91:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/kf6
 * [new ref]         38276d0ac0bcd6ef721a5a87811f79f3505b7d91 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 38276d0 Fix api doc generation for flatpak builds