require "migrate"
-class PopulateNodeTagsAndRemove < ActiveRecord::Migration
+class PopulateNodeTagsAndRemove < ActiveRecord::Migration[5.0]
def self.up
- have_nodes = select_value("SELECT count(*) FROM current_nodes").to_i != 0
+ have_nodes = select_value("SELECT count(*) FROM current_nodes").to_i.nonzero?
if have_nodes
prefix = File.join Dir.tmpdir, "020_populate_node_tags_and_remove.#{$PROCESS_ID}."
cmd = "db/migrate/020_populate_node_tags_and_remove_helper"
src = "#{cmd}.c"
if !File.exist?(cmd) || File.mtime(cmd) < File.mtime(src)
- system("cc -O3 -Wall `mysql_config --cflags --libs` " +
+ system("cc -O3 -Wall `mysql_config --cflags --libs` " \
"#{src} -o #{cmd}") || raise
end
args = conn_opts.map(&:to_s) + [prefix]
raise "#{cmd} failed" unless system cmd, *args
- tempfiles = %w(nodes node_tags current_nodes current_node_tags)
+ tempfiles = %w[nodes node_tags current_nodes current_node_tags]
.map { |base| prefix + base }
nodes, node_tags, current_nodes, current_node_tags = tempfiles
end