$ git clone -n https://src.fedoraproject.org/rpms/rust-digest0.9.git /var/lib/mock/f40-build-2035936-48007/root/chroot_tmpdir/scmroot/rust-digest0.9
Cloning into '/var/lib/mock/f40-build-2035936-48007/root/chroot_tmpdir/scmroot/rust-digest0.9'...
$ git fetch origin 8b61251977c21670a7951ec43f75db2168246a18:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/rust-digest0.9
 * [new ref]         8b61251977c21670a7951ec43f75db2168246a18 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 8b61251 Rebuilt for https://fedoraproject.org/wiki/Fedora_39_Mass_Rebuild