$ git clone -n https://src.fedoraproject.org/rpms/rust-glib-macros.git /var/lib/mock/f40-build-2641421-66430/root/chroot_tmpdir/scmroot/rust-glib-macros
Cloning into '/var/lib/mock/f40-build-2641421-66430/root/chroot_tmpdir/scmroot/rust-glib-macros'...
$ git fetch origin 50ddea9b7d3516831f914c6b997385c5fe655284:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/rust-glib-macros
 * [new ref]         50ddea9b7d3516831f914c6b997385c5fe655284 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 50ddea9 Rebuilt for https://fedoraproject.org/wiki/Fedora_40_Mass_Rebuild