$ git clone -n https://src.fedoraproject.org/rpms/rust-gix-diff.git /var/lib/mock/f40-build-2680918-67950/root/chroot_tmpdir/scmroot/rust-gix-diff
Cloning into '/var/lib/mock/f40-build-2680918-67950/root/chroot_tmpdir/scmroot/rust-gix-diff'...
$ git fetch origin 86b5a733ef7dead912bd039a7e80c131bb249148:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/rust-gix-diff
 * [new ref]         86b5a733ef7dead912bd039a7e80c131bb249148 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 86b5a73 Rebuilt for https://fedoraproject.org/wiki/Fedora_40_Mass_Rebuild