$ git clone -n https://src.fedoraproject.org/rpms/rust-phf_macros0.8.git /var/lib/mock/f45-build-43832-807/root/chroot_tmpdir/scmroot/rust-phf_macros0.8
Cloning into '/var/lib/mock/f45-build-43832-807/root/chroot_tmpdir/scmroot/rust-phf_macros0.8'...
$ git fetch origin 8881ec931bf8f89a637167461dfff451b6722688:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/rust-phf_macros0.8
 * [new ref]         8881ec931bf8f89a637167461dfff451b6722688 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 8881ec9 Rebuilt for https://fedoraproject.org/wiki/Fedora_45_Mass_Rebuild