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# frozen_string_literal: true
require 'fileutils'
require 'open3'
require 'active_support/core_ext/hash/keys'
module Glfm
module Shared
def write_file(file_path, file_content_string)
FileUtils.mkdir_p(File.dirname(file_path))
# NOTE: We don't use the block form of File.open because we want to be able to easily
# mock it for testing.
io = File.open(file_path, 'w')
io.binmode
io.write(file_content_string)
# NOTE: We are using #fsync + #close_write instead of just #close`, in order to unit test
# with a real StringIO and not just a mock object.
io.fsync
io.close_write
end
# All script output goes through this method. This makes it easy to mock in order to prevent
# output from being printed to the console during tests. We don't want to directly mock
# Kernel#puts, because that could interfere or cause spurious test failures when #puts is used
# for debugging. And for some reason RuboCop says `rubocop:disable Rails/Output` would be
# redundant here, so not including it.
def output(string)
puts string
end
def run_external_cmd(cmd)
# noinspection RubyMismatchedArgumentType
rails_root = File.expand_path('../../../', __dir__)
# See https://stackoverflow.com/a/20001569/25192
stdout_and_stderr_str, status = Open3.capture2e(cmd, chdir: rails_root)
return stdout_and_stderr_str if status.success?
warn("Error running command `#{cmd}`\n")
warn(stdout_and_stderr_str)
raise
end
# Construct an AST so we can control YAML formatting for
# YAML block scalar literals and key quoting.
#
# Note that when Psych dumps the markdown to YAML, it will
# automatically use the default "clip" behavior of the Block Chomping Indicator (`|`)
# https://yaml.org/spec/1.2.2/#8112-block-chomping-indicator,
# when the markdown strings contain a trailing newline. The type of
# Block Chomping Indicator is automatically determined, you cannot specify it
# manually.
def dump_yaml_with_formatting(hash, literal_scalars: false)
stringified_keys_hash = hash.deep_stringify_keys
visitor = Psych::Visitors::YAMLTree.create
visitor << stringified_keys_hash
ast = visitor.tree
# Force all scalars to have literal formatting (using Block Chomping Indicator instead of quotes)
if literal_scalars
ast.grep(Psych::Nodes::Scalar).each do |node|
node.style = Psych::Nodes::Scalar::LITERAL
end
end
# Do not quote the keys
ast.grep(Psych::Nodes::Mapping).each do |node|
node.children.each_slice(2) do |k, _|
k.quoted = false
k.style = Psych::Nodes::Scalar::PLAIN
end
end
ast.to_yaml
end
end
end
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