$ git clone -n https://src.fedoraproject.org/rpms/rust-image.git /var/lib/mock/f40-build-2408163-60559/root/chroot_tmpdir/scmroot/rust-image
Cloning into '/var/lib/mock/f40-build-2408163-60559/root/chroot_tmpdir/scmroot/rust-image'...
$ git fetch origin 81b5d425138745bf375fbfacaa33ad709df71e05:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/rust-image
 * [new ref]         81b5d425138745bf375fbfacaa33ad709df71e05 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 81b5d42 Rebuilt for https://fedoraproject.org/wiki/Fedora_40_Mass_Rebuild