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# frozen_string_literal: true
module TTY
class Command
# An ExitError reports an unsuccessful exit by command.
#
# The error message includes:
# * the name of command executed
# * the exit status
# * stdout bytes
# * stderr bytes
#
# @api private
class ExitError < RuntimeError
def initialize(cmd_name, result)
super(info(cmd_name, result))
end
def info(cmd_name, result)
"Running `#{cmd_name}` failed with\n" \
" exit status: #{result.exit_status}\n" \
" stdout: #{extract_output(result.out)}\n" \
" stderr: #{extract_output(result.err)}\n"
end
def extract_output(value)
(value || "").strip.empty? ? "Nothing written" : value.strip
end
end # ExitError
end # Command
end # TTY
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