$ git clone -n https://src.fedoraproject.org/rpms/rust-phf_codegen.git /var/lib/mock/f45-build-43824-807/root/chroot_tmpdir/scmroot/rust-phf_codegen
Cloning into '/var/lib/mock/f45-build-43824-807/root/chroot_tmpdir/scmroot/rust-phf_codegen'...
$ git fetch origin 1f73ec413025e0c79792e5f6921b77fc63d394c2:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/rust-phf_codegen
 * [new ref]         1f73ec413025e0c79792e5f6921b77fc63d394c2 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 1f73ec4 Rebuilt for https://fedoraproject.org/wiki/Fedora_45_Mass_Rebuild