$ git clone -n https://src.fedoraproject.org/rpms/rust-typed-builder-macro.git /var/lib/mock/f45-build-45842-828/root/chroot_tmpdir/scmroot/rust-typed-builder-macro
Cloning into '/var/lib/mock/f45-build-45842-828/root/chroot_tmpdir/scmroot/rust-typed-builder-macro'...
$ git fetch origin e42aa1ac79ab2ef4332ef1e11a5650638cc6dff7:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/rust-typed-builder-macro
 * [new ref]         e42aa1ac79ab2ef4332ef1e11a5650638cc6dff7 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at e42aa1a Rebuilt for https://fedoraproject.org/wiki/Fedora_45_Mass_Rebuild