$ git clone -n https://src.fedoraproject.org/rpms/rust-lexical-parse-float.git /var/lib/mock/f45-build-42905-797/root/chroot_tmpdir/scmroot/rust-lexical-parse-float
Cloning into '/var/lib/mock/f45-build-42905-797/root/chroot_tmpdir/scmroot/rust-lexical-parse-float'...
$ git fetch origin 07725ac51c2362e9ac50a346ccc5a5d2d436e0bb:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/rust-lexical-parse-float
 * [new ref]         07725ac51c2362e9ac50a346ccc5a5d2d436e0bb -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 07725ac Rebuilt for https://fedoraproject.org/wiki/Fedora_45_Mass_Rebuild