$ git clone -n https://src.fedoraproject.org/rpms/libx86.git /var/lib/mock/f38-build-side-42-init-devel-848943-28425/root/chroot_tmpdir/scmroot/libx86
Cloning into '/var/lib/mock/f38-build-side-42-init-devel-848943-28425/root/chroot_tmpdir/scmroot/libx86'...
$ git fetch origin 261abd16090d89adb4ef220024e1a782c744d50e:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/libx86
 * [new ref]         261abd16090d89adb4ef220024e1a782c744d50e -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 261abd1 Rebuilt for https://fedoraproject.org/wiki/Fedora_38_Mass_Rebuild