$ git clone -n https://src.fedoraproject.org/rpms/rust-rusqlite0.31.git /var/lib/mock/f45-build-44522-814/root/chroot_tmpdir/scmroot/rust-rusqlite0.31
Cloning into '/var/lib/mock/f45-build-44522-814/root/chroot_tmpdir/scmroot/rust-rusqlite0.31'...
$ git fetch origin 9a7e99e11aeca5503b3f202b983cd2f66af931cd:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/rust-rusqlite0.31
 * [new ref]         9a7e99e11aeca5503b3f202b983cd2f66af931cd -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 9a7e99e Rebuilt for https://fedoraproject.org/wiki/Fedora_45_Mass_Rebuild