$ git clone -n https://src.fedoraproject.org/rpms/dumb-init.git /var/lib/mock/f38-build-side-42-init-devel-806283-28199/root/chroot_tmpdir/scmroot/dumb-init
Cloning into '/var/lib/mock/f38-build-side-42-init-devel-806283-28199/root/chroot_tmpdir/scmroot/dumb-init'...
$ git fetch origin 3e0594a85e2f8655dd823a05f31ce26479ff9b04:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/dumb-init
 * [new ref]         3e0594a85e2f8655dd823a05f31ce26479ff9b04 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 3e0594a Rebuilt for https://fedoraproject.org/wiki/Fedora_38_Mass_Rebuild