$ git clone -n https://src.fedoraproject.org/rpms/php-pecl-xpass.git /var/lib/mock/f41-build-855494-167153/root/chroot_tmpdir/scmroot/php-pecl-xpass
Cloning into '/var/lib/mock/f41-build-855494-167153/root/chroot_tmpdir/scmroot/php-pecl-xpass'...
$ git fetch origin a3cc9c23961247d02d75abdd2962a07ed11d0b7d:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/php-pecl-xpass
 * [new ref]         a3cc9c23961247d02d75abdd2962a07ed11d0b7d -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at a3cc9c2 cleanup