$ git clone -n https://src.fedoraproject.org/rpms/php-nikic-php-parser4.git /var/lib/mock/f39-build-1498131-34679/root/chroot_tmpdir/scmroot/php-nikic-php-parser4
Cloning into '/var/lib/mock/f39-build-1498131-34679/root/chroot_tmpdir/scmroot/php-nikic-php-parser4'...
$ git fetch origin 7bc4c0eaf6acac100430222d1b2b73375e193a1e:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/php-nikic-php-parser4
 * [new ref]         7bc4c0eaf6acac100430222d1b2b73375e193a1e -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 7bc4c0e v4.17.1