$ git clone -n https://src.fedoraproject.org/rpms/rust-typed-builder.git /var/lib/mock/f45-build-45815-828/root/chroot_tmpdir/scmroot/rust-typed-builder
Cloning into '/var/lib/mock/f45-build-45815-828/root/chroot_tmpdir/scmroot/rust-typed-builder'...
$ git fetch origin e7c331353d1061bfae2501c96636c465b1a793a9:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/rust-typed-builder
 * [new ref]         e7c331353d1061bfae2501c96636c465b1a793a9 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at e7c3313 Rebuilt for https://fedoraproject.org/wiki/Fedora_45_Mass_Rebuild