$ git clone -n https://src.fedoraproject.org/rpms/rust-ivf.git /var/lib/mock/f38-build-side-43-rust-devel-1416577-31457/root/chroot_tmpdir/scmroot/rust-ivf
Cloning into '/var/lib/mock/f38-build-side-43-rust-devel-1416577-31457/root/chroot_tmpdir/scmroot/rust-ivf'...
$ git fetch origin 90c739021b018a2716352595e702127f7d11b0f7:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/rust-ivf
 * [new ref]         90c739021b018a2716352595e702127f7d11b0f7 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 90c7390 Rebuilt for https://fedoraproject.org/wiki/Fedora_38_Mass_Rebuild