$ git clone -n https://src.fedoraproject.org/rpms/jopt-simple.git /var/lib/mock/f38-build-side-42-init-devel-599590-26165/root/chroot_tmpdir/scmroot/jopt-simple
Cloning into '/var/lib/mock/f38-build-side-42-init-devel-599590-26165/root/chroot_tmpdir/scmroot/jopt-simple'...
$ git fetch origin 9d81fe1e1ebe86b3ca388fd1b68d93725f5a1baf:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/jopt-simple
 * [new ref]         9d81fe1e1ebe86b3ca388fd1b68d93725f5a1baf -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 9d81fe1 Rebuilt for https://fedoraproject.org/wiki/Fedora_38_Mass_Rebuild