$ git clone -n https://src.fedoraproject.org/rpms/serdisplib.git /var/lib/mock/f39-build-1466316-33660/root/chroot_tmpdir/scmroot/serdisplib
Cloning into '/var/lib/mock/f39-build-1466316-33660/root/chroot_tmpdir/scmroot/serdisplib'...
$ git fetch origin 644247dd158752bdce6ff1c4740af923db4bd459:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/serdisplib
 * [new ref]         644247dd158752bdce6ff1c4740af923db4bd459 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 644247d Rebuilt for https://fedoraproject.org/wiki/Fedora_39_Mass_Rebuild