$ git clone -n https://src.fedoraproject.org/rpms/rust-funty.git /var/lib/mock/f45-build-41738-785/root/chroot_tmpdir/scmroot/rust-funty
Cloning into '/var/lib/mock/f45-build-41738-785/root/chroot_tmpdir/scmroot/rust-funty'...
$ git fetch origin ea18ef9fbb22fc778bca31a4e6b2c07418ba25bd:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/rust-funty
 * [new ref]         ea18ef9fbb22fc778bca31a4e6b2c07418ba25bd -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at ea18ef9 Rebuilt for https://fedoraproject.org/wiki/Fedora_45_Mass_Rebuild