$ git clone -n https://src.fedoraproject.org/rpms/rust-deser-hjson.git /var/lib/mock/f39-build-1516975-35669/root/chroot_tmpdir/scmroot/rust-deser-hjson
Cloning into '/var/lib/mock/f39-build-1516975-35669/root/chroot_tmpdir/scmroot/rust-deser-hjson'...
$ git fetch origin aaae34916d97b62ba2e372349d87a1dd61d21584:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/rust-deser-hjson
 * [new ref]         aaae34916d97b62ba2e372349d87a1dd61d21584 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at aaae349 Rebuilt for https://fedoraproject.org/wiki/Fedora_39_Mass_Rebuild