$ git clone -n https://src.fedoraproject.org/rpms/libmml.git /var/lib/mock/f40-build-785887-134131/root/chroot_tmpdir/scmroot/libmml
Cloning into '/var/lib/mock/f40-build-785887-134131/root/chroot_tmpdir/scmroot/libmml'...
$ git fetch origin c5ecda7fbbf81847347d9639b8925fb147d6a999:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/libmml
 * [new ref]         c5ecda7fbbf81847347d9639b8925fb147d6a999 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at c5ecda7 Rebuilt for https://fedoraproject.org/wiki/Fedora_40_Mass_Rebuild