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class PopulateChangesetsUserId < ActiveRecord::Migration[4.2]
def self.up
committers = Changeset.connection.select_values("SELECT DISTINCT committer FROM #{Changeset.table_name}")
committers.each do |committer|
next if committer.blank?
if committer.strip =~ /^([^<]+)(<(.*)>)?$/
username, email = $1.strip, $3
u = User.find_by_login(username)
u ||= User.find_by_mail(email) unless email.blank?
Changeset.where(["committer = ?", committer]).update_all("user_id = #{u.id}") unless u.nil?
end
end
end
def self.down
Changeset.update_all('user_id = NULL')
end
end
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