Sha256: ced55fa0208d5496fe06be9641ec538871d720320302107a07068c972373cf52
Contents?: true
Size: 1.94 KB
Versions: 19
Compression:
Stored size: 1.94 KB
Contents
require 'pre-commit/checks/plugin'
module PreCommit
module Checks
class Migration < Plugin
VERSION_PATTERN = /(\d{14})/
self::VersionedFile = Struct.new(:file, :version) do
def to_s
"<#{self.class.name} file=\"#{file}\" version=\"#{version}\">"
end
end
def self.aliases
[:migrations]
end
def call(staged_files)
migration_files = versioned_migration_files(staged_files)
schema_files = versioned_schema_files(staged_files)
if migration_files.any? && schema_files.none?
"It looks like you're adding a migration, but did not update the schema file"
elsif migration_files.none? && schema_files.any?
"You're trying to change the schema without adding a migration file"
elsif migration_files.any? && schema_files.any?
migration_versions = migration_files.map(&:version)
missing_versions = migration_versions - schema_files.map(&:version)
if missing_versions.any?
"You did not add the schema versions for "\
"#{migration_versions.join(', ')} to #{schema_files.map(&:file).join(' or ')}"
end
end
end
private
def versioned_migration_files(staged_files)
files = staged_files.grep(/db\/migrate\/.*\.rb/)
files.each_with_object([]) do |f, result|
if f =~ VERSION_PATTERN
result << VersionedFile.new(f, $1)
end
end
end
def versioned_schema_files(staged_files)
files = staged_files.select do |f|
File.basename(f) =~ /schema\.rb|structure.*\.sql/
end
files.each_with_object([]) do |f, result|
File.read(f).scan(VERSION_PATTERN) do |i|
result << VersionedFile.new(f, i.first)
end
end
end
def self.description
"Detects rails database migrations and schema incompatibilities."
end
end
end
end
Version data entries
19 entries across 19 versions & 1 rubygems