$ git clone -n https://src.fedoraproject.org/rpms/php-sebastian-diff4.git /var/lib/mock/f39-build-1933554-43116/root/chroot_tmpdir/scmroot/php-sebastian-diff4
Cloning into '/var/lib/mock/f39-build-1933554-43116/root/chroot_tmpdir/scmroot/php-sebastian-diff4'...
$ git fetch origin 6e9ac14814c5d52d516af5ea60fa44e8864f656c:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/php-sebastian-diff4
 * [new ref]         6e9ac14814c5d52d516af5ea60fa44e8864f656c -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 6e9ac14 Rebuilt for https://fedoraproject.org/wiki/Fedora_39_Mass_Rebuild