$ git clone -n https://src.fedoraproject.org/rpms/rust-include_dir_macros.git /var/lib/mock/f45-build-42541-794/root/chroot_tmpdir/scmroot/rust-include_dir_macros
Cloning into '/var/lib/mock/f45-build-42541-794/root/chroot_tmpdir/scmroot/rust-include_dir_macros'...
$ git fetch origin af9de753f40539b1d4738c47ed922d0ff9bc58c4:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/rust-include_dir_macros
 * [new ref]         af9de753f40539b1d4738c47ed922d0ff9bc58c4 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at af9de75 Rebuilt for https://fedoraproject.org/wiki/Fedora_45_Mass_Rebuild