Module: Tebako::BuildHelpers

Defined in:
lib/tebako/build_helpers.rb

Overview

Ruby build helpers

Class Method Summary collapse

Class Method Details

.run_with_capture(args) ⇒ Object

Raises:



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# File 'lib/tebako/build_helpers.rb', line 35

def run_with_capture(args)
  args = args.compact
  puts "   ... @ #{args.join(" ")}"
  # Read merged stdout+stderr in the calling thread via IO.popen rather than
  # Open3.capture2e: capture2e spawns a background reader thread that races and
  # raises "stream closed in another thread (IOError)" on large-output builds
  # (e.g. `make ruby`) under Ruby >= 4.0. Reading inline avoids that race.
  out = +""
  IO.popen(args, err: %i[child out]) { |io| io.each_line { |line| out << line } }
  st = $? # rubocop:disable Style/SpecialGlobalVars
  raise Tebako::Error, "Failed to run #{args.join(" ")} (#{st}):\n #{out}" if st.signaled? || !st.exitstatus.zero?

  out
end

.run_with_capture_v(args) ⇒ Object 



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# File 'lib/tebako/build_helpers.rb', line 50

def run_with_capture_v(args)
  if @verbose
    args_v = args.dup
    args_v.push("--verbose")
    puts run_with_capture(args_v)
  else
    run_with_capture(args)
  end
end

.with_env(hash) ⇒ Object

Sets up temporary environment variables and yields to the block. When the block exits, the environment variables are set back to their original values.



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# File 'lib/tebako/build_helpers.rb', line 63

def with_env(hash)
  old = {}
  hash.each do |k, v|
    old[k] = ENV.fetch(k, nil)
    ENV[k] = v
  end
  begin
    yield
  ensure
    hash.each_key { |k| ENV[k] = old[k] }
  end
end