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# File 'lib/ntail/options.rb', line 4
def parse_options(argv, defaults = {})
options = OpenStruct.new(defaults)
OptionParser.new do |opts|
opts.banner = "Usage: ntail {options} {file(s)}"
opts.separator ""
opts.separator "Options are ..."
opts.on '--verbose', '-v', "Run verbosely (log messages to STDERR)." do |value|
options.verbose = true
end
opts.on '--format FORMAT_STRING', "Set the format string to use when outputting parsed log lines" do |value|
NginxTail::LogLine.format = value
end
opts.on '--filter', '-f CODE', "Ruby code block for filtering (parsed) lines - needs to return true or false." do |value|
options.filter = value
end
opts.on '--execute', '-e CODE', "Ruby code block for processing each (parsed) line." do |value|
options.code = value
end
opts.on '--line-number', '-l LINE_NUMBER', "Only process the line with the given line number" do |value|
options.line_number = value.to_i
end
opts.on '--dry-run', '-n', "Dry-run: process files, but don't actually parse the lines" do |value|
options.dry_run = true
end
opts.on '--parse-only', '-p', "Parse only: parse all lines, but don't actually process them" do |value|
options.parse_only = true
end
opts.on '--raw', '-r', "Parse lines, and - for parseable ones - print out the raw input" do |value|
options.raw = true
end
opts.on '--browser', '--html', "generate HTML output (the default is ANSI output)" do |value|
options.output = :html
end
opts.on '--upstream', "Try to match lines using the extended nginx 'upstream' log format" do |value|
options.pattern = :upstream
end
opts.on '--apache', "Try to match lines using the Apache log format instead of nginx (the default)" do |value|
options.pattern = :apache
end
opts.on '--sleep [SECONDS]', '-s', Float, "Sleeps for the given number of seconds before processing the next line (--raw only)" do |value|
options.sleep = value
end
opts.on '--progress', '-p', String, "In-flight progress animation during parsing" do |value|
unless $stdout.tty?
Sickill::Rainbow.enabled = true
options.progress = true
end
end
opts.on '--static-repo [REPO]', String, "Add [REPO] to the list of static repos" do |value|
NginxTail::LogLine.add_static_repo(value)
end
opts.on '--persist', '-P', String, "Persist the parsed lines for future use" do |value|
options.persist = true
end
opts.on '--version', '-V', "Display the program version." do |value|
puts "#{NTAIL_NAME}, version #{NTAIL_VERSION}"
options.running = false
end
opts.on_tail("-h", "--help", "-H", "Display this help message.") do
puts opts
options.running = false
end
end.parse!(argv)
return options
end
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