$ git clone -n https://src.fedoraproject.org/rpms/rust-remoteprocess.git /var/lib/mock/f45-build-44376-813/root/chroot_tmpdir/scmroot/rust-remoteprocess
Cloning into '/var/lib/mock/f45-build-44376-813/root/chroot_tmpdir/scmroot/rust-remoteprocess'...
$ git fetch origin 38f85bf3270f24602d69284becf93c4fa3346af7:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/rust-remoteprocess
 * [new ref]         38f85bf3270f24602d69284becf93c4fa3346af7 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 38f85bf Rebuilt for https://fedoraproject.org/wiki/Fedora_45_Mass_Rebuild