$ git clone -n https://src.fedoraproject.org/rpms/rust-digest_auth.git /var/lib/mock/f40-build-2651239-66881/root/chroot_tmpdir/scmroot/rust-digest_auth
Cloning into '/var/lib/mock/f40-build-2651239-66881/root/chroot_tmpdir/scmroot/rust-digest_auth'...
$ git fetch origin fa7f2f4b7946aa4965d45d345dac168e91a9e10c:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/rust-digest_auth
 * [new ref]         fa7f2f4b7946aa4965d45d345dac168e91a9e10c -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at fa7f2f4 Rebuilt for https://fedoraproject.org/wiki/Fedora_40_Mass_Rebuild