$ git clone -n https://src.fedoraproject.org/rpms/rust-varlink_parser.git /var/lib/mock/f38-build-side-43-rust-devel-1416853-31457/root/chroot_tmpdir/scmroot/rust-varlink_parser
Cloning into '/var/lib/mock/f38-build-side-43-rust-devel-1416853-31457/root/chroot_tmpdir/scmroot/rust-varlink_parser'...
$ git fetch origin d67a9e35a755b627bb6e803c3bc0a85774b15865:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/rust-varlink_parser
 * [new ref]         d67a9e35a755b627bb6e803c3bc0a85774b15865 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at d67a9e3 Rebuilt for https://fedoraproject.org/wiki/Fedora_38_Mass_Rebuild