$ git clone -n https://src.fedoraproject.org/rpms/rust-orion.git /var/lib/mock/f40-build-2144426-50865/root/chroot_tmpdir/scmroot/rust-orion
Cloning into '/var/lib/mock/f40-build-2144426-50865/root/chroot_tmpdir/scmroot/rust-orion'...
$ git fetch origin 4dfcd80092700fd5d5e09e92d3b737ebc97176be:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/rust-orion
 * [new ref]         4dfcd80092700fd5d5e09e92d3b737ebc97176be -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 4dfcd80 Rebuilt for https://fedoraproject.org/wiki/Fedora_39_Mass_Rebuild