$ git clone -n https://src.fedoraproject.org/rpms/rust-csv-core.git /var/lib/mock/f45-build-41074-779/root/chroot_tmpdir/scmroot/rust-csv-core
Cloning into '/var/lib/mock/f45-build-41074-779/root/chroot_tmpdir/scmroot/rust-csv-core'...
$ git fetch origin 7e06c56db2ed6b43a55f1fb17989572f407afa6c:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/rust-csv-core
 * [new ref]         7e06c56db2ed6b43a55f1fb17989572f407afa6c -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 7e06c56 Rebuilt for https://fedoraproject.org/wiki/Fedora_45_Mass_Rebuild