$ git clone -n https://src.fedoraproject.org/rpms/rust-rust_decimal_macros.git /var/lib/mock/f45-build-44583-815/root/chroot_tmpdir/scmroot/rust-rust_decimal_macros
Cloning into '/var/lib/mock/f45-build-44583-815/root/chroot_tmpdir/scmroot/rust-rust_decimal_macros'...
$ git fetch origin 17e34ad2e161048f953fcb8d3ef43824aafe7722:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/rust-rust_decimal_macros
 * [new ref]         17e34ad2e161048f953fcb8d3ef43824aafe7722 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 17e34ad Rebuilt for https://fedoraproject.org/wiki/Fedora_45_Mass_Rebuild