$ git clone -n https://src.fedoraproject.org/rpms/php-samyoul-u2f-php-server.git /var/lib/mock/f45-build-28288-629/root/chroot_tmpdir/scmroot/php-samyoul-u2f-php-server
Cloning into '/var/lib/mock/f45-build-28288-629/root/chroot_tmpdir/scmroot/php-samyoul-u2f-php-server'...
$ git fetch origin a10d1e07bd51caa566d2f9d45ca1f8cce05bd40c:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/php-samyoul-u2f-php-server
 * [new ref]         a10d1e07bd51caa566d2f9d45ca1f8cce05bd40c -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at a10d1e0 Rebuilt for https://fedoraproject.org/wiki/Fedora_45_Mass_Rebuild