$ git clone -n https://src.fedoraproject.org/rpms/rust-lexical-write-integer.git /var/lib/mock/f45-build-42863-797/root/chroot_tmpdir/scmroot/rust-lexical-write-integer
Cloning into '/var/lib/mock/f45-build-42863-797/root/chroot_tmpdir/scmroot/rust-lexical-write-integer'...
$ git fetch origin da59c4aaeef85ee348c385ed118e241b005ab815:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/rust-lexical-write-integer
 * [new ref]         da59c4aaeef85ee348c385ed118e241b005ab815 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at da59c4a Rebuilt for https://fedoraproject.org/wiki/Fedora_45_Mass_Rebuild