$ git clone -n https://src.fedoraproject.org/rpms/rust-getopts.git /var/lib/mock/f45-build-41850-786/root/chroot_tmpdir/scmroot/rust-getopts
Cloning into '/var/lib/mock/f45-build-41850-786/root/chroot_tmpdir/scmroot/rust-getopts'...
$ git fetch origin 96862a9febeebbf43cc993c948b31bd0a734a461:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/rust-getopts
 * [new ref]         96862a9febeebbf43cc993c948b31bd0a734a461 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 96862a9 Rebuilt for https://fedoraproject.org/wiki/Fedora_45_Mass_Rebuild