$ git clone -n https://src.fedoraproject.org/rpms/jackson-parent.git /var/lib/mock/f38-build-side-42-init-devel-732985-27608/root/chroot_tmpdir/scmroot/jackson-parent
Cloning into '/var/lib/mock/f38-build-side-42-init-devel-732985-27608/root/chroot_tmpdir/scmroot/jackson-parent'...
$ git fetch origin 1e4766bf7c8c8ea9212b0d347bd3aeb76ce4b026:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/jackson-parent
 * [new ref]         1e4766bf7c8c8ea9212b0d347bd3aeb76ce4b026 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 1e4766b Rebuilt for https://fedoraproject.org/wiki/Fedora_38_Mass_Rebuild