$ git clone -n https://src.fedoraproject.org/rpms/rust-pest_meta.git /var/lib/mock/f45-build-43820-807/root/chroot_tmpdir/scmroot/rust-pest_meta
Cloning into '/var/lib/mock/f45-build-43820-807/root/chroot_tmpdir/scmroot/rust-pest_meta'...
$ git fetch origin 9b1c7acd4f845e3a90566dda1cc7ca6db23cdb3e:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/rust-pest_meta
 * [new ref]         9b1c7acd4f845e3a90566dda1cc7ca6db23cdb3e -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 9b1c7ac Rebuilt for https://fedoraproject.org/wiki/Fedora_45_Mass_Rebuild