$ git clone -n https://src.fedoraproject.org/rpms/rust-bytes0.5.git /var/lib/mock/f40-build-2639992-66384/root/chroot_tmpdir/scmroot/rust-bytes0.5
Cloning into '/var/lib/mock/f40-build-2639992-66384/root/chroot_tmpdir/scmroot/rust-bytes0.5'...
$ git fetch origin fa89034e579bee29a199c08ed64a960fc4604182:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/rust-bytes0.5
 * [new ref]         fa89034e579bee29a199c08ed64a960fc4604182 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at fa89034 Rebuilt for https://fedoraproject.org/wiki/Fedora_40_Mass_Rebuild