$ git clone -n https://src.fedoraproject.org/rpms/xmlpull.git /var/lib/mock/f38-build-side-42-init-devel-621333-26344/root/chroot_tmpdir/scmroot/xmlpull
Cloning into '/var/lib/mock/f38-build-side-42-init-devel-621333-26344/root/chroot_tmpdir/scmroot/xmlpull'...
$ git fetch origin 23e480b5c0fe8984c8c3fd47a0e7ca232e6ba6b6:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/xmlpull
 * [new ref]         23e480b5c0fe8984c8c3fd47a0e7ca232e6ba6b6 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 23e480b Rebuilt for https://fedoraproject.org/wiki/Fedora_38_Mass_Rebuild