$ git clone -n https://src.fedoraproject.org/rpms/rust-tempfile.git /var/lib/mock/f45-build-45346-822/root/chroot_tmpdir/scmroot/rust-tempfile
Cloning into '/var/lib/mock/f45-build-45346-822/root/chroot_tmpdir/scmroot/rust-tempfile'...
$ git fetch origin 907280674ba2918c94be31435c18742f53459921:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/rust-tempfile
 * [new ref]         907280674ba2918c94be31435c18742f53459921 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 9072806 Rebuilt for https://fedoraproject.org/wiki/Fedora_45_Mass_Rebuild