$ git clone -n https://src.fedoraproject.org/rpms/php-tcpdf.git /var/lib/mock/f40-build-2023388-46897/root/chroot_tmpdir/scmroot/php-tcpdf
Cloning into '/var/lib/mock/f40-build-2023388-46897/root/chroot_tmpdir/scmroot/php-tcpdf'...
$ git fetch origin 60df46fbe2ccfaa7c2a5ff7f08ec46fdf3b48836:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/php-tcpdf
 * [new ref]         60df46fbe2ccfaa7c2a5ff7f08ec46fdf3b48836 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 60df46f update to 6.6.5 (no change)