$ git clone -n https://src.fedoraproject.org/rpms/libxml++30.git /var/lib/mock/f41-build-826932-154948/root/chroot_tmpdir/scmroot/libxml++30
Cloning into '/var/lib/mock/f41-build-826932-154948/root/chroot_tmpdir/scmroot/libxml++30'...
$ git fetch origin dd0807cadbba264d23045c13df6f5c56aa992c42:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/libxml++30
 * [new ref]         dd0807cadbba264d23045c13df6f5c56aa992c42 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at dd0807c Rebuilt for https://fedoraproject.org/wiki/Fedora_41_Mass_Rebuild