$ git clone -n https://src.fedoraproject.org/rpms/rust-matrixcompare-core.git /var/lib/mock/f40-build-2642354-66450/root/chroot_tmpdir/scmroot/rust-matrixcompare-core
Cloning into '/var/lib/mock/f40-build-2642354-66450/root/chroot_tmpdir/scmroot/rust-matrixcompare-core'...
$ git fetch origin 048d2a6973697d0a8db47fb77a643f3c8ebaf3f5:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/rust-matrixcompare-core
 * [new ref]         048d2a6973697d0a8db47fb77a643f3c8ebaf3f5 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 048d2a6 Rebuilt for https://fedoraproject.org/wiki/Fedora_40_Mass_Rebuild