$ git clone -n https://src.fedoraproject.org/rpms/rust-actix_derive.git /var/lib/mock/f45-build-39979-765/root/chroot_tmpdir/scmroot/rust-actix_derive
Cloning into '/var/lib/mock/f45-build-39979-765/root/chroot_tmpdir/scmroot/rust-actix_derive'...
$ git fetch origin 86532f987bcaf720a0f62fd9b1b85ee85025b97e:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/rust-actix_derive
 * [new ref]         86532f987bcaf720a0f62fd9b1b85ee85025b97e -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 86532f9 Rebuilt for https://fedoraproject.org/wiki/Fedora_45_Mass_Rebuild