$ git clone -n https://src.fedoraproject.org/rpms/php-pecl-xmlrpc.git /var/lib/mock/f41-build-808582-145921/root/chroot_tmpdir/scmroot/php-pecl-xmlrpc
Cloning into '/var/lib/mock/f41-build-808582-145921/root/chroot_tmpdir/scmroot/php-pecl-xmlrpc'...
$ git fetch origin fe2e78a73ab232850e20ffba3194b7ea42bbbe0c:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/php-pecl-xmlrpc
 * [new ref]         fe2e78a73ab232850e20ffba3194b7ea42bbbe0c -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at fe2e78a drop 32-bit support