$ git clone -n https://src.fedoraproject.org/rpms/libemu.git /var/lib/mock/f40-build-786388-134245/root/chroot_tmpdir/scmroot/libemu
Cloning into '/var/lib/mock/f40-build-786388-134245/root/chroot_tmpdir/scmroot/libemu'...
$ git fetch origin f14563841241d8b52b500b53044b0cf74d7a76f6:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/libemu
 * [new ref]         f14563841241d8b52b500b53044b0cf74d7a76f6 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at f145638 Rebuilt for https://fedoraproject.org/wiki/Fedora_40_Mass_Rebuild