$ git clone -n https://src.fedoraproject.org/rpms/rust-sysinfo0.33.git /var/lib/mock/f45-build-45318-822/root/chroot_tmpdir/scmroot/rust-sysinfo0.33
Cloning into '/var/lib/mock/f45-build-45318-822/root/chroot_tmpdir/scmroot/rust-sysinfo0.33'...
$ git fetch origin d775d34472ce895847c79f515f496ca6b47c87ca:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/rust-sysinfo0.33
 * [new ref]         d775d34472ce895847c79f515f496ca6b47c87ca -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at d775d34 Rebuilt for https://fedoraproject.org/wiki/Fedora_45_Mass_Rebuild