$ git clone -n https://src.fedoraproject.org/rpms/rust-pipeline.git /var/lib/mock/f45-build-43870-807/root/chroot_tmpdir/scmroot/rust-pipeline
Cloning into '/var/lib/mock/f45-build-43870-807/root/chroot_tmpdir/scmroot/rust-pipeline'...
$ git fetch origin fcd254d9ff19caa4e71bcac7de41540a318701ac:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/rust-pipeline
 * [new ref]         fcd254d9ff19caa4e71bcac7de41540a318701ac -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at fcd254d Rebuilt for https://fedoraproject.org/wiki/Fedora_45_Mass_Rebuild