$ git clone -n https://src.fedoraproject.org/rpms/jboss-parent.git /var/lib/mock/f38-build-side-42-init-devel-645245-26400/root/chroot_tmpdir/scmroot/jboss-parent
Cloning into '/var/lib/mock/f38-build-side-42-init-devel-645245-26400/root/chroot_tmpdir/scmroot/jboss-parent'...
$ git fetch origin e76ebde4e2da7c55ed95a77b1569a1203c667875:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/jboss-parent
 * [new ref]         e76ebde4e2da7c55ed95a77b1569a1203c667875 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at e76ebde Rebuilt for https://fedoraproject.org/wiki/Fedora_38_Mass_Rebuild