$ git clone -n https://src.fedoraproject.org/rpms/rust-proptest-derive.git /var/lib/mock/f45-build-44050-810/root/chroot_tmpdir/scmroot/rust-proptest-derive
Cloning into '/var/lib/mock/f45-build-44050-810/root/chroot_tmpdir/scmroot/rust-proptest-derive'...
$ git fetch origin e97e9288ad740240c054f3ff049e8bd8df02412e:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/rust-proptest-derive
 * [new ref]         e97e9288ad740240c054f3ff049e8bd8df02412e -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at e97e928 Rebuilt for https://fedoraproject.org/wiki/Fedora_45_Mass_Rebuild