Make RuboCop Super Fast

RubyKaigi 2022
https://rubykaigi.org/2022/presentations/koic.html#day2

Transcript

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   RuboCop server mode
   5IV
   
   

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3. &4. *OD
   

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4. 🌊🌊🌊🌊🌊🌊🌊🌊🌊🌊🌊🌊🌊🌊🌊🌊🌊🌊
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   #esm_ise_ebi
   #rubykaigi
   

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5. Support OSS community
   

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15. 5IFpSTUDPNNJU
    % git log -p --reverse
    commit afbead34db54506c12a21dbd4ce04fada0f8b9a4
    Author: Bozhidar Batsov
    Date: Sat Apr 21 13:06:42 2012 +0300
    Initial commit to rubocop.
    ---
    .document | 5 +++++
    .gitignore | 49 +++++++++++++++++++++++++++++++++++++++
    ++++++++++
    .rspec | 1 +
    Gemfile | 16 ++++++++++++++++
    LICENSE.txt | 20 ++++++++++++++++++++
    README.rdoc | 19 +++++++++++++++++++
    Rakefile | 45 +++++++++++++++++++++++++++++++++++++++
    ++++++
    features/rubocop.feature | 9 +++++++++
    features/step_definitions/rubocop_steps.rb | 0
    features/support/env.rb | 13 +++++++++++++
    

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16. 5IFpSTUDPNNJU
    % git log -p --reverse
    commit afbead34db54506c12a21dbd4ce04fada0f8b9a4
    Author: Bozhidar Batsov
    Date: Sat Apr 21 13:06:42 2012 +0300
    Initial commit to rubocop.
    ---
    .document | 5 +++++
    .gitignore | 49 +++++++++++++++++++++++++++++++++++++++
    ++++++++++
    .rspec | 1 +
    Gemfile | 16 ++++++++++++++++
    LICENSE.txt | 20 ++++++++++++++++++++
    README.rdoc | 19 +++++++++++++++++++
    Rakefile | 45 +++++++++++++++++++++++++++++++++++++++
    ++++++
    features/rubocop.feature | 9 +++++++++
    features/step_definitions/rubocop_steps.rb | 0
    features/support/env.rb | 13 +++++++++++++
    👈
    

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17. UI"OOJWFSTBSZZFBS🎉
    

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38. *OTJEFUSBEJUJPOBMrubocopDPNNBOE
    3VCP$PQQSPDFTT 1*%
    
    # exe/rubocop (snip)
    require 'rubocop'
    RuboCop::CLI.new.run
    •RuboCop::CLI.new.runJTBOFOEQPJOU"1*
    w&BDICPPUrubocopQSPDFTTSVOTSVCPDPQDPNNBOE
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    % rubocop
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39. 3VCP$PQQSPDFTT 1*%
    
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    # exe/rubocop (snip)
    require 'rubocop'
    RuboCop::CLI.new.run
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    # Term #1
    % rubocop
    # Term #2
    % rubocop
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    # exe/rubocop (snip)
    require 'rubocop'
    RuboCop::CLI.new.run
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40. 3VCP$PQQSPDFTT 1*%
    
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    # exe/rubocop (snip)
    require 'rubocop'
    RuboCop::CLI.new.run
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    # Term #1
    % rubocop
    # Term #2
    % rubocop
    # Term #3
    % rubocop
    4UBSUBOESVO
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    # exe/rubocop (snip)
    require 'rubocop'
    RuboCop::CLI.new.run
    3VCP$PQQSPDFTT 1*%
    
    # exe/rubocop (snip)
    require 'rubocop'
    RuboCop::CLI.new.run
    4UBSUBOESVO
    

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41. 3VCP$PQQSPDFTT 1*%
    
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    # exe/rubocop (snip)
    require 'rubocop'
    RuboCop::CLI.new.run
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    # Term #1
    % rubocop
    # Term #2
    % rubocop
    # Term #3
    % rubocop
    4UBSUBOESVO
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    # exe/rubocop (snip)
    require 'rubocop'
    RuboCop::CLI.new.run
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    require 'rubocop'
    RuboCop::CLI.new.run
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49. $MJFOU1SPDFTT 1*%
    
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    # Loading dependencies.
    require 'rubocop'
    TCPServer.open('127.0.0.1', port)
    Process.daemon(true)
    rubocop-daemon
    % rubocop-daemon start
    rubocop
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    # Loading dependencies.
    require 'rubocop'
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    % rubocop-daemon start
    rubocop
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    Process.daemon(true)
    

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    # Loading dependencies.
    require 'rubocop'
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    Process.daemon(true)
    rubocop-daemon
    % rubocop-daemon start
    rubocop
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    Process.daemon(true)
    

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    # Loaded API
    RuboCop::CLI.new.run
    rubocop-daemon
    % rubocop-daemon exec
    rubocop
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    % rubocop-daemon exec
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    % rubocop-daemon exec
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    % rubocop-daemon exec
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    % rubocop-daemon exec
    rubocop
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55. *ODPOWFOJFOUUXPQIBTF
    

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56. SVCPDPQEBFNPOXSBQQFS
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    require 'rubocop'
    TCPServer.open('127.0.0.1', port)
    Process.daemon(true)
    rubocop-daemon-wrapper rubocop
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    if [ ! -f "$TOKEN_PATH" ];
    then
    $RUBOCOP_DAEMON start
    fi
    # snip
    if ! run_rubocop_command $@;
    then
    RuboCop::CLI.new.run
    # ~/.bashrc
    export PATH="/usr/local/bin/rubocop-daemon-wrapper:$PATH"
    ncDNE
    
    
    

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57. 4FSWFS1SPDFTT QJE
    
    require 'rubocop'
    TCPServer.open('127.0.0.1', port)
    Process.daemon(true)
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    if [ ! -f "$TOKEN_PATH" ];
    then
    $RUBOCOP_DAEMON start
    fi
    # snip
    if ! run_rubocop_command $@;
    then
    RuboCop::CLI.new.run
    # ~/.bashrc
    export PATH="/usr/local/bin/rubocop-daemon-wrapper:$PATH"
    ncDNE
    
    
    $RUBOCOP_DAEMON start
    require 'rubocop'
    TCPServer.open('127.0.0.1', port)
    Process.daemon(true)
    

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58. SVCPDPQEBFNPOXSBQQFS
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    require 'rubocop'
    TCPServer.open('127.0.0.1', port)
    Process.daemon(true)
    rubocop-daemon-wrapper rubocop
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    if [ ! -f "$TOKEN_PATH" ];
    then
    $RUBOCOP_DAEMON start
    fi
    # snip
    if ! run_rubocop_command $@;
    then
    RuboCop::CLI.new.run
    # ~/.bashrc
    export PATH="/usr/local/bin/rubocop-daemon-wrapper:$PATH"
    ncDNE
    
    
    run_rubocop_command RuboCop::CLI.new.run
    

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59. SVCPDPQEBFNPOXSBQQFS
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    require 'rubocop'
    TCPServer.open('127.0.0.1', port)
    Process.daemon(true)
    rubocop-daemon-wrapper rubocop
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    if [ ! -f "$TOKEN_PATH" ];
    then
    $RUBOCOP_DAEMON start
    fi
    # snip
    if ! run_rubocop_command $@;
    then
    RuboCop::CLI.new.run
    # ~/.bashrc
    export PATH="/usr/local/bin/rubocop-daemon-wrapper:$PATH"
    ncDNE
    
    
    # ~/.bashrc
    export PATH="/usr/local/bin/rubocop-daemon-wrapper:$PATH"
    

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    server process
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69. $MJFOU1SPDFTT 1*%
    
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    require 'rubocop/server'
    server_cli = RuboCop::Server::CLI.new
    exit_status = server_cli.run
    exit exit_status if server_cli.exit?
    if RuboCop::Server.running?
    exit_status = RuboCop::Server::ClientCommand::Exec.new.run
    else
    require 'rubocop'
    cli = RuboCop::CLI.new.run
    end
    client process
    % rubocop --server
    server process
    4UBSUTFSWFSQSPDFTTFTBOEJOTQFDUTPVSDFDPEF
    

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70. $MJFOU1SPDFTT 1*%
    
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    require 'rubocop/server'
    server_cli = RuboCop::Server::CLI.new
    exit_status = server_cli.run
    exit exit_status if server_cli.exit?
    if RuboCop::Server.running?
    exit_status = RuboCop::Server::ClientCommand::Exec.new.run
    else
    require 'rubocop'
    cli = RuboCop::CLI.new.run
    end
    client process
    % rubocop --server
    $MJFOU1SPDFTT 1*%
    
    % rubocop --server
    server process
    $POUJOVFUPDPOOFDUUPBOBMSFBEZSVOOJOHTFSWFS
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73. wrequire 'rubocop'SFRVJSFT
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75. YGBTUFS
    % ruby -rbenchmark -e '$LOAD_PATH.unshift("/path/to/rubocop/lib");
    Benchmark.bm { |x| x.report { require "rubocop" }}'
    user system total real
    0.573636 0.217166 0.790802 ( 0.815585)
    % ruby -rbenchmark -e '$LOAD_PATH.unshift("/path/to/rubocop/lib");
    Benchmark.bm { |x| x.report { require "rubocop/server" }}'
    user system total real
    0.000386 0.000587 0.000973 ( 0.000969)
    SFRVJSFSVCPDPQ
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76. 1BTUexe/rubocop
    
    $LOAD_PATH.unshift("#{__dir__}/../lib")
    require 'rubocop'
    RuboCop::CLI.new.run
    $PEFTOJQQFU
    &YFDVUFEFBDIUJNFXJUIUIFASVCPDPQADPNNBOE
    3FRVJSFEFBDIUJNFXJUIUIFASVCPDPQADPNNBOE
    

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77. $VSSFOUexe/rubocop "GUFS
    
    require 'rubocop/server'
    server_cli = RuboCop::Server::CLI.new
    exit_status = server_cli.run
    exit exit_status if server_cli.exit?
    if RuboCop::Server.running?
    exit_status = RuboCop::Server::ClientCommand::Exec.new.run
    else
    require 'rubocop'
    cli = RuboCop::CLI.new.run
    end
    $PEFTOJQQFU
    .BLFBMJHIUXFJHIUEFQFOEFODZSFRVJSF
    require 'rubocop/server'
    

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78. $VSSFOUexe/rubocop "GUFS
    
    require 'rubocop/server'
    server_cli = RuboCop::Server::CLI.new
    exit_status = server_cli.run
    exit exit_status if server_cli.exit?
    if RuboCop::Server.running?
    exit_status = RuboCop::Server::ClientCommand::Exec.new.run
    else
    require 'rubocop'
    cli = RuboCop::CLI.new.run
    end
    $PEFTOJQQFU
    .BLFBMJHIUXFJHIUEFQFOEFODZSFRVJSF
    4FSWFSNPEFTFUVQ FHTUBSUJOHBOETUPQQJOH
    
    server_cli = RuboCop::Server::CLI.new
    exit_status = server_cli.run
    exit exit_status if server_cli.exit?
    

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79. $VSSFOUexe/rubocop "GUFS
    
    require 'rubocop/server'
    server_cli = RuboCop::Server::CLI.new
    exit_status = server_cli.run
    exit exit_status if server_cli.exit?
    if RuboCop::Server.running?
    exit_status = RuboCop::Server::ClientCommand::Exec.new.run
    else
    require 'rubocop'
    cli = RuboCop::CLI.new.run
    end
    $PEFTOJQQFU
    .BLFBMJHIUXFJHIUEFQFOEFODZSFRVJSF
    4FSWFSNPEFTFUVQ FHTUBSUJOHBOETUPQQJOH
    
    $IFDLTFSWFSTUBUVT
    if RuboCop::Server.running?
    

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80. $VSSFOUexe/rubocop "GUFS
    
    require 'rubocop/server'
    server_cli = RuboCop::Server::CLI.new
    exit_status = server_cli.run
    exit exit_status if server_cli.exit?
    if RuboCop::Server.running?
    exit_status = RuboCop::Server::ClientCommand::Exec.new.run
    else
    require 'rubocop'
    cli = RuboCop::CLI.new.run
    end
    $PEFTOJQQFU
    .BLFBMJHIUXFJHIUEFQFOEFODZSFRVJSF
    4FSWFSNPEFTFUVQ FHTUBSUJOHBOETUPQQJOH
    
    $IFDLTFSWFSTUBUVT
    3VOOJOHXJUITFSWFSNPEF
    exit_status = RuboCop::Server::ClientCommand::Exec.new.run
    

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81. $VSSFOUexe/rubocop "GUFS
    
    require 'rubocop/server'
    server_cli = RuboCop::Server::CLI.new
    exit_status = server_cli.run
    exit exit_status if server_cli.exit?
    if RuboCop::Server.running?
    exit_status = RuboCop::Server::ClientCommand::Exec.new.run
    else
    require 'rubocop'
    cli = RuboCop::CLI.new.run
    end
    $PEFTOJQQFU
    .BLFBMJHIUXFJHIUEFQFOEFODZSFRVJSF
    4FSWFSNPEFTFUVQ FHTUBSUJOHBOETUPQQJOH
    
    $IFDLTFSWFSTUBUVT
    3VOOJOHXJUIOPTFSWFSNPEF
    3VOOJOHXJUITFSWFSNPEF
    require 'rubocop'
    cli = RuboCop::CLI.new.run
    

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82. $VSSFOUexe/rubocop "GUFS
    
    require 'rubocop/server'
    server_cli = RuboCop::Server::CLI.new
    exit_status = server_cli.run
    exit exit_status if server_cli.exit?
    if RuboCop::Server.running?
    exit_status = RuboCop::Server::ClientCommand::Exec.new.run
    else
    require 'rubocop'
    cli = RuboCop::CLI.new.run
    end
    $PEFTOJQQFU
    .BLFBMJHIUXFJHIUEFQFOEFODZSFRVJSF
    4FSWFSNPEFTFUVQ FHTUBSUJOHBOETUPQQJOH
    
    $IFDLTFSWFSTUBUVT
    3VOOJOHXJUIOPTFSWFSNPEF
    3VOOJOHXJUITFSWFSNPEF
    require 'rubocop'
    cli = RuboCop::CLI.new.run 4MPX
    

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83. .VDIMJHIUFSUIBOrequire 'rubocop'
    require 'rubocop/server'
    server_cli = RuboCop::Server::CLI.new
    exit_status = server_cli.run
    exit exit_status if server_cli.exit?
    if RuboCop::Server.running?
    exit_status = RuboCop::Server::ClientCommand::Exec.new.run
    else
    require 'rubocop'
    cli = RuboCop::CLI.new.run
    end
    $PEFTOJQQFU
    .BLFBMJHIUXFJHIUEFQFOEFODZSFRVJSF
    4FSWFSNPEFTFUVQ FHTUBSUJOHBOETUPQQJOH
    
    $IFDLTFSWFSTUBUVT
    3VOOJOHXJUITFSWFSNPEF
    server_cli = RuboCop::Server::CLI.new
    exit_status = server_cli.run
    exit exit_status if server_cli.exit?
    exit_status = RuboCop::Server::ClientCommand::Exec.new.run
    require 'rubocop/server'
    if RuboCop::Server.running?
    

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84. $MJFOU1SPDFTT 1*%
    
    &YFD3VCP$PQXJUITFSWFS
    4FSWFS1SPDFTT 1*%
    
    require 'rubocop/server'
    server_cli = RuboCop::Server::CLI.new
    exit_status = server_cli.run
    exit exit_status if server_cli.exit?
    if RuboCop::Server.running?
    exit_status = RuboCop::Server::ClientCommand::Exec.new.run
    else
    require 'rubocop'
    cli = RuboCop::CLI.new.run
    end
    rubocop client
    % rubocop --server
    $MJFOU1SPDFTT 1*%
    
    % rubocop --server
    rubocop server
    $POUJOVFUPDPOOFDUUPBOBMSFBEZSVOOJOHTFSWFS
    "MXBZTUIFTBNFQSPDFTT
    

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85. w0CKFDUTMPBEFEXJUIrequire
    require_relativeFUD JUJTJO
    NFNPSZ
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    SFRVJSFENPEVMFTBSFMPBEFE
    4QFFEVQXJUITFSWFS
    

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86. 1SPHSBNNJOHXIBUJTDPEFEBOE
    XIBUJTOPUDPEFE
    !LBLVUBOJTBZT
    IUUQTTQFBLFSEFDLDPNLBLVUBOJBHJMFNBOJGFTUPEFDBEF TMJEF
    

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87. 1BTUBOEDVSSFOU
    8IBUTSVCPDPQEBFNPO
    *OUFHSBUFXJUISVCPDPQEBFNPO
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    4FSWFSQSPDFTTBOEDBDIJOHpMFT
    "HFOEB
    

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88. $PNNBOEMJOF"1*EFTJHO
    

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89. $PNNBOEMJOF"1*EFTJHO
    IUUQTHJUIVCDPNSVCPDPQSVCPDPQQVMMJTTVFDPNNFOU
    rubocop --serverWTrubocop-server
    

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90. w"OPUIFSPQUJPOJTrubocop-server
    DPNNBOEGPSTFSWFSNPEF
    w*UJTFBTZUPEFTJHOUIFTFSWFSQPSU
    OVNCFSBTBDPNNBOEMJOFBSHVNFOU
    w-JLFemacsclientDPNNBOE
    
    8IZOPUrubocop-server
    

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91. wSVCPDPQEBFNPOVTFSTTFFNUPXBOUUPTUBSUUIF
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    TUBSUFE
    
    w5IBUTXIZrubocop-daemon-wrapperJTQSPWJEFE
    w"GUFSBMM*BMJBTUPFNBDT
    •alias emacs='emacsclient -nw -a ""'
    w*DIPTFUPBEE--serverPQUJPOUPUIFrubocopDPNNBOE
    8IZOPUrubocop-server
    

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92. *NQPSUFESVCPDPQEBFNPOPQUJPOT
    SVCPDPQEBFNPO SVCPDPQ OPUF
    FYFD rubocop-daemon exec rubocop --server
    rubocopJTBMTP0,BGUFS
    TUBSUJOHUIFTFSWFS
    FYFDXP
    TFSWFS
    N/A rubocop --no-server
    %FGBVMUXJUIPVUTFSWFS
    PQUJPOT
    TUBSUTFSWFS rubocop-daemon start rubocop --start-server
    )PTUBOEQPSUDBOCF
    TQFDJpFEXJUIFOWWBST
    TUPQTFSWFS rubocop-daemon stop rubocop --stop-server
    SFTUBSU rubocop-daemon restart rubocop --restart-server
    TUBUVT rubocop-daemon status rubocop --server-status
    TUBSUFYFD rubocop-daemon-wrapper rubocop --server
    

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93. 4FSWFSNPEFPQUJPOT
    

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94. w5IFEFGBVMUCFIBWJPS
    w3VOXJUIPVUTFSWFS
    w*UTDPNQBUJCMFXJUIPME3VCP$PQ
    WFSTJPOT
    w*UTTUBCMFCVUTMPX
    --no-server EFGBVMU
    
    

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95. w3VOJOTQFDUJPOBGUFSTUBSUJOHSVCPDPQ
    TFSWFSQSPDFTTJGOPUTUBSUFE
    w"GUFSFYFDVUJOH--serverPQUJPO
    rubocopDPNNBOESVOTBTDMJFOU
    w*EMJLFUPDSFBUFBTIPSUOBNFCVU-sJT
    BMSFBEZVTFE
    --server
    

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96. w4FSWFSQSPDFTTOBNFJT
    rubocop --server #{dirname}
    w3VCP$PQTFSWFSTBSFBTTPDJBUFEXJUI
    UIFEJSFDUPSZJOXIJDIUIFZXFSFTUBSUFE
    4FSWFSQSPDFTTOBNF
    % ps aux | grep 'rubocop --server'
    user 16060 0.0 0.0 5078568 2264 ?? S 7:54AM 0:00.00
    rubocop --server /Users/koic/src/github.com/esminc/foo
    user 16337 0.0 0.0 5331560 2396 ?? S 23:51PM 0:00.00
    rubocop --server /Users/koic/src/github.com/esminc/bar
    

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97. w4UZMFTXJMMWBSZGSPNQSPKFDUUPQSPKFDU
    w$POpHVSFTSVMFTCZSVCPDPQZNM
    w&BDITFSWFSIBTJUTPXOQSPKFDU
    TFUUJOHT
    w4FSWFSTUBSUTGPSFBDIQSPKFDU TP
    JOEFQFOEFOUQSPKFDUQSFGFSFODFTBQQMZ
    $POpHVSBUJPOTBSFOFWFSNJYFE
    

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98. w4UBSU3VCP$PQTFSWFSQSPDFTT
    w6TFXIFOZPVXBOUUPTUBSUUIFTFSWFSPOMZ
    w5$1IPTUBOEQPSUDBOCFTQFDJpFEXJUIFOWJSPONFOU
    WBSJBCMFT
    w$RUBOCOP_SERVER_HOST
    w$RUBOCOP_SERVER_PORT
    wFH3VCP$PQ4FSWFSSVOTBT%PDLFSDPOUBJOFSBOE
    VTFSVTFTMJLFrubocop-daemon-wrapperPOIPTUNBDIJOF
    --start-server
    

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99. w4UPQ3VCP$PQTFSWFSQSPDFTT
    w6TFUIJTPQUJPOXIFOTFSWFS
    NPEFJTVOTUBCMF
    wFH6QEBUFHFN
    DPOpHVSBUJPO BOEFUD
    --stop-server
    

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100. w3FTUBSUTFSWFSQSPDFTT
     w4IPSUIBOEGPSTUPQBOETUBSU
     w:PVNBZVTFJUBGUFSbundle
     updateXIFO3VCP$PQTFSWFSJT
     VOTUBCMF
     --restart-server
     

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101. w:PVDBODPOpSNTFSWFS
     TUBUVT
     w4IPXOXJUI1*%XIFOSVOOJOH
     --server-status
     % rubocop --server-status
     RuboCop server (25960) is running.
     % rubocop --server-status
     RuboCop server is not running.
     

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102. w:PVDBOBMTPDPOpSNrubocop -V
     w+serverJTBEEFE
     w-VPQUJPOQSPWJEFTJOGPVTFEJOJTTVFSFQPSUT
     w-JLFruby -vGPSFOBCMF:+*5 +YJITJTBEEFE
     
     rubocop -V -BSHF7
     
     % ruby --yjit -ve 'RubyVM::YJIT.enabled?'
     ruby 3.2.0dev (2022-09-08T05:31:42Z master 78af05ba0f) +YJIT [x86_64-darwin19]
     % rubocop -V
     1.36.0 (using Parser 3.1.2.1, rubocop-ast 1.21.0, running on ruby 3.2.0) +server [x86_64-darwin19]
     

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103. " 3VOrubocopXJUIPVUTFSWFS
     QSPDFTTJGUIFQSPDFTTJTOPU
     SVOOJOH
     # 3VOrubocopXJUITFSWFSQSPDFTT
     JGUIFQSPDFTTJTSVOOJOH
     /PTFSWFSPQUJPOTHJWFO
     

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104. w*GZPVFODPVOUFSFE
     VOFYQFDUFECFIBWJPST 3VO
     rubocop--restart-server
     w"OEZPVDBOPQFOBOJTTVFUP
     UIFSVCPDPQSVCPDPQSFQP
     "UUFOUJPOT
     

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105. 1BTUBOEDVSSFOU
     8IBUTSVCPDPQEBFNPO
     *OUFHSBUFXJUISVCPDPQEBFNPO
     5IFTFSWFSNPEF"1*EFTJHO
     4FSWFSQSPDFTTBOEDBDIJOHpMFT
     "HFOEB
     

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106. 4FSWFSQSPDFTTBOE
     DBDIJOHpMFT
     

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107. w3VCP$PQTFSWFSNPEF
     VTFT5$1*1QSPUPDPM
     w*ULFFQTUIFTFSWFST1*%
     FUDJOUIFDBDIFEJSFDUPSZ
     "CPVUUIFTFSWFSNPEFQSPUPDPM
     

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108. $MJFOU1SPDFTT 1*%
     
     TU4UBSUBOEFYFDUIFTFSWFS
     4FSWFS1SPDFTT
     1*%
     
     client
     % rubocop --server
     server
     4UBSUBOFXTFSWFSQSPDFTTBOEHFUUIF1*%
     Socket
     

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109. DBDIFSVCPDPQ@DBDIFTFSWFS
     $MJFOU1SPDFTT 1*%
     
     TU4UBSUBOEFYFDUIFTFSWFS
     4FSWFS1SPDFTT
     1*%
     
     % rubocop --server
     8SJUFQJE QPSU WFSTJPO BOEPUIFSTUPDBDIFpMFT
     QJE QPSU WFSTJPO
     Disk IO
     client server
     

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110. DBDIFSVCPDPQ@DBDIFTFSWFS
     $MJFOU1SPDFTT 1*%
     
     OE&YFDUIFTFSWFS
     4FSWFS1SPDFTT
     1*%
     
     % rubocop --server
     3FBEQJE QPSU WFSTJPO BOEPUIFSTUPDBDIFpMFT
     QJE QPSU WFSTJPO
     $MJFOU1SPDFTT 1*%
     
     % rubocop (--server)
     Disk IO
     client server
     

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111. DBDIFSVCPDPQ@DBDIFTFSWFS
     $MJFOU1SPDFTT 1*%
     
     OE&YFDUIFTFSWFS
     4FSWFS1SPDFTT
     1*%
     
     % rubocop --server
     $POOFDUUPUIFTFSWFSQSPDFTTBOEJOTQFDUJPO
     QJE QPSU WFSTJPO
     $MJFOU1SPDFTT 1*%
     
     % rubocop (--server)
     Socket
     client server
     

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112. DBDIFSVCPDPQ@DBDIFTFSWFS
     $MJFOU1SPDFTT 1*%
     
     5IFDBDIFEJSFDUPSZ
     4FSWFS1SPDFTT
     1*%
     
     % rubocop --server
     5IFDBDIFJTQMBDFEJO~/.cacheEJSFDUPSZCZEFGBVMU
     QJE QPSU WFSTJPO
     $MJFOU1SPDFTT 1*%
     
     % rubocop (--server)
     client server
     

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113. DBDIFSVCPDPQ@DBDIFTFSWFS
     $MJFOU1SPDFTT 1*%
     
     5IFDBDIFEJSFDUPSZ
     4FSWFS1SPDFTT
     1*%
     
     % rubocop --server
     3FTUBSUUIFQSPDFTTXIFOBGUFSbundle update
     QJE QPSU WFSTJPO
     $MJFOU1SPDFTT 1*%
     
     % rubocop (--server)
     5IFDMJFOUDPNNBOESFTUBSUTUIFTFSWFS
     QSPDFTTJGJUEFUFDUTJODPNQBUJCMFWFSTJPO
     client server
     

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114. w6OGPSUVOBUFMZJUTTUJMMBCJU
     FYQFSJNFOUBM
     wrubocop --restart-serverXJMM
     TUJMMCFOFDFTTBSZJOTPNF
     TJUVBUJPOT
     $BOTFSWFSNPEFCFUIFEFGBVMU
     

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115. w.BLFBVUPSFMPBEBXBSFPG
     VQHSBEJOHSEQBSUZHFNT
     w6/*9EPNBJOTPDLFUPQUJPOJGGBTUFS
     w1SPWJEFTPQUJPOTGPSTIPSUBMJBTFT
     w4VQQPSU+3VCZ
     
     4FSWFSNPEFFOIBODFEQMBOT
     

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116. wrubocop --serverDBONBLF
     3VCP$PQGBTUFS
     wrubocop --restart-serverNBZ
     TPMWFZPVSTFSWFSNPEFJTTVF
     6TFGVMPQUJPOT
     

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117. -FBSOGSPNZFTUFSEBZ
     rubocop.org
     MJWFGPSUPEBZ
     IPQFGPSUPNPSSPX
     ʔAlbert Einstein
     

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