$ git clone -n https://src.fedoraproject.org/rpms/php-sabre-http5.git /var/lib/mock/f40-build-2077957-49583/root/chroot_tmpdir/scmroot/php-sabre-http5
Cloning into '/var/lib/mock/f40-build-2077957-49583/root/chroot_tmpdir/scmroot/php-sabre-http5'...
$ git fetch origin 0bd248a00da794b3143ff3b858f1d9be2b1f4895:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/php-sabre-http5
 * [new ref]         0bd248a00da794b3143ff3b858f1d9be2b1f4895 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 0bd248a b5.1.10