$ git clone -n https://src.fedoraproject.org/rpms/rust-aligned.git /var/lib/mock/f45-build-40018-767/root/chroot_tmpdir/scmroot/rust-aligned
Cloning into '/var/lib/mock/f45-build-40018-767/root/chroot_tmpdir/scmroot/rust-aligned'...
$ git fetch origin 701cda5845b9de04a5a75b0c55d9b1dfb2d6586f:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/rust-aligned
 * [new ref]         701cda5845b9de04a5a75b0c55d9b1dfb2d6586f -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 701cda5 Rebuilt for https://fedoraproject.org/wiki/Fedora_45_Mass_Rebuild