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Make RuboCop Super Fast

Koichi ITO
September 09, 2022
Programming
3
5.9k

Make RuboCop Super Fast

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

Koichi ITO

September 09, 2022
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Transcript

  1. .BLF3VCP$PQ 4VQFS'BTU ,PJDIJ*50&4. *OD 3VCZ,BJHJ RuboCop server mode  5IV

  2. !LPJD w 044QSPHSBNNFS w 3VCP$PQDPSFUFBN TJODF  w )FBENBJOUBJOFSPG3VCP$PQ3BJMT 

    3VCP$PQ1FSGPSNBODF BOE 3VCP$PQ.JOJUFTU w &OHJOFFSJOH.BOBHFSBOE %JTUJOHVJTIFE&OHJOFFSPG&4. *OD

  3. &4. *OD

  4. 🌊🌊🌊🌊🌊🌊🌊🌊🌊🌊🌊🌊🌊🌊🌊🌊🌊🌊 *TFFCJ4QPOTPS #esm_ise_ebi #rubykaigi

  5. Support OSS community

  6. 4QFBLFSTGSPN&4. *OD 👈%BZ SVCZLBJHJ# %BZ👉 SVCZLBJHJ# 👈%BZ SVCZLBJHJ#

  7. +PJOVT 🗾w-FUTHSPXUPHFUIFS w:PVDBOXPSL SFNPUFMZGSPNBMM PWFS+BQBO w4FFBHJMFFTNDPKQ

  8. None
  9. None

  10. w +BWB4DSJQU1SFUUJFS &4-JOU w (P(PGNU w 3VTU3VTUGNU $MJQQZ w 3VCZ3VCP$PQ

    4UBOEBSE BOE PUIFST -JOUFS'PSNBUUFS

  11. IUUQTSBJMTIPTUJOHDPNXIJDISVCZHFNTEPZPVMPWF

  12. IUUQTSBJMTIPTUJOHDPNXIJDISVCZHFNTGSVTUSBUFZPVUIFNPTU

  13. 3VCP$PQDPSFEFWFMPQFST +0900 UTC+0200 +0300 +0800 -0400 .PSFUIBODPOUSJCVUPST

  14. 3VCP$PQDPSFEFWFMPQFST +0900 UTC+0200 +0300 +0800 -0400 .PSFUIBODPOUSJCVUPST "VUIPS

  15. 5IFpSTUDPNNJU % git log -p --reverse commit afbead34db54506c12a21dbd4ce04fada0f8b9a4 Author: Bozhidar

    Batsov <[email protected]> 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 +++++++++++++

  16. 5IFpSTUDPNNJU % git log -p --reverse commit afbead34db54506c12a21dbd4ce04fada0f8b9a4 Author: Bozhidar

    Batsov <[email protected]> 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 +++++++++++++ 👈

  17. UI"OOJWFSTBSZZFBS🎉

  18. 3VCP$PQDPSFEFWFMPQFST +0900 UTC+0200 +0300 +0800 -0400 .PSFUIBODPOUSJCVUPSTJOZFBST .F

  19. .F

  20. .BJOUBJO3VCP$PQ)2&WFSZ%BZ IUUQTHJUIVCDPNLPJD PSHSVCPDPQ

  21. None

  22. 5IJTUBMLFYQMBJOT POFPGUIFNJMFTUPOFTPG3VCP$PQ

  23. w5BHMJOFPG3VCP$PQMJLF 3VCZY w*OPUIFSXPSET 3VCP$PQ BJNTUPCFUXJDFBTGBTUBT 3VCP$PQ 3VCP$PQY

  24. (SPXJOHOFFEGPS EFWFMPQFSFYQFSJFODF

  25. w"QBSUPGMPDBMCVJMEQSPDFTT w$POUJOVPVT*OUFHSBUJPO w*OUFHSBUJPOBOEJOUFSBDUJPO XJUIFEJUPST*%&T QSPNJOFOUSFDFOUMZ 6TFDBTFTPG3VCP$PQ

  26. /PPOFDPNQMBJOTBCPVU CFUUFSQFSGPSNBODF💨

  27.  $BDIJOH  .VMUJDPSFT  3FEVDFVOVTFESFRVJSFT  %BFNPOJ[F )PXUPNBLFJUGBTUFS

  28. w*UIBWFCFFOQSPWJEFEGPSBMPOHUJNF w4UPSFEJOUP~/.cache/rubocop_cache CZEFGBVMU w4QFDJGZcache=falseJGZPVXBOUUP EJTBCMFUIFDBDIF $BDIJOH

  29. w3VCP$PQ SVOTQBSBMMFM JOTQFDUJPOCZEFGBVMU   w3VCP$PQ DBOSVO QBSBMMFMBVUPDPSSFDUJPO  .VMUJDPSFT

    /&8

  30. DPSF$16T )ZQFS5ISFBEJOH TFD      OPQBSBMMFM QBSBMMFM

    w8IFO3VCP$PQ JOTQFDUTBMPUPG pMFT JUXJMMCF FGGFDUJWF wFHTFDTFD BCPVUpMFT

  31. w"MMDPQTBSFMPBEFEFWFOXJUI UIF--onlyPQUJPO w/PUJNQMFNFOUFEZFUEVFUP MBSHFJOUFSOBMDIBOHFT 5#%  w1BSUJBMMZSFMBUFEUPTFSWFSNPEF 3FEVDFVOVTFESFRVJSFT

  32. w8F3VCP$PQEFWFMPQFSTXFSF BXBSFPGUIFDPTUPGJOJUJBM NPEVMFMPBEJOH w*JOUFHSBUFESVCPDPQEBFNPO JOUP3VCP$PQDPSF %BFNPOJ[F TFSWFSNPEF

  33. YGBTUFSNPEVMFMPBEJOH TFD      SFRVJSFSVCPDPQ SFRVJSFSVCPDPQTFSWFS wrequire

    'rubocop' SFRVJSFTNPTUPGpMFT wrequire 'rubocop/ server'POMZSFRVJSFT pMFTOFFEFEGPS TFSWFSNPEF

  34. %JWFJOUPUIFTFSWFSNPEF UPEBZ

  35.  1BTUBOEDVSSFOU  8IBUTSVCPDPQEBFNPO  *OUFHSBUFXJUISVCPDPQEBFNPO  5IFTFSWFSNPEF"1*EFTJHO  4FSWFSQSPDFTTBOEDBDIJOHpMFT

    "HFOEB

  36.  1BTUBOEDVSSFOU  8IBUTSVCPDPQEBFNPO  *OUFHSBUFXJUISVCPDPQEBFNPO  5IFTFSWFSNPEF"1*EFTJHO  4FSWFSQSPDFTTBOEDBDIJOHpMFT

    "HFOEB

  37. #FGPSFSVCPDPQEBFNPO JOUFHSBUJPO 1BTUBOEDVSSFOU

  38. *OTJEFUSBEJUJPOBMrubocopDPNNBOE 3VCP$PQQSPDFTT 1*% # exe/rubocop (snip) require 'rubocop' RuboCop::CLI.new.run •RuboCop::CLI.new.runJTBOFOEQPJOU"1*

    w&BDICPPUrubocopQSPDFTTSVOTSVCPDPQDPNNBOE # Term #1 % rubocop 4UBSUBOESVO

  39. 3VCP$PQQSPDFTT 1*% *OTJEFUSBEJUJPOBMrubocopDPNNBOE # exe/rubocop (snip) require 'rubocop' RuboCop::CLI.new.run •RuboCop::CLI.new.runJTBOFOEQPJOU"1*

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

  40. 3VCP$PQQSPDFTT 1*% *OTJEFUSBEJUJPOBMrubocopDPNNBOE # exe/rubocop (snip) require 'rubocop' RuboCop::CLI.new.run •RuboCop::CLI.new.runJTBOFOEQPJOU"1*

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

  41. 3VCP$PQQSPDFTT 1*% *OTJEFUSBEJUJPOBMrubocopDPNNBOE # exe/rubocop (snip) require 'rubocop' RuboCop::CLI.new.run •RuboCop::CLI.new.runJTBOFOEQPJOU"1*

    w&BDICPPUrubocopQSPDFTTSVOTSVCPDPQDPNNBOE # Term #1 % rubocop # Term #2 % rubocop # Term #3 % rubocop 4UBSUBOESVO 4UBSUBOESVO 3VCP$PQQSPDFTT 1*% # exe/rubocop (snip) require 'rubocop' RuboCop::CLI.new.run 3VCP$PQQSPDFTT 1*% # exe/rubocop (snip) require 'rubocop' RuboCop::CLI.new.run 1*%TBSFBMXBZTEJ⒎FSFOU 4UBSUBOESVO

  42. w/FFETrequire 'rubocop'UPVTFUIF"1* w*ODMVEFTFWFSZUIJOHZPVOFFEGPS 3VCP$PQ w.PTUPGpMFTJTSFRVJSFEBOE JUJTTMPX RuboCop::CLI.new.run"1*

  43. SVCPDPQEBFNPOHFN "SFTPMVUJPOCZUIJSEQBSUZ

  44. None

  45.  1BTUBOEDVSSFOU  8IBUTSVCPDPQEBFNPO  *OUFHSBUFXJUISVCPDPQEBFNPO  5IFTFSWFSNPEF"1*EFTJHO  4FSWFSQSPDFTTBOEDBDIJOHpMFT

    "HFOEB

  46. w"!GPIUFQSPEVDU w&OEPSTFECZTPNFPG*%& JOUFHSBUJPOVTFST w5IBUTXIBUVTFSTSFBMMZXBOU "VTFDBTFESJWFO 8IBUTSVCPDPQEBFNPO

  47. )PXEJESVCPDPQEBFNPO NBLF3VCP$PQGBTU

  48. w$MJFOU4FSWFSNPEFM w4FSWFS.PEVMFTBSFMPBEFE POMZPODFEVSJOHCPPUQSPDFTT w$MJFOU$POOFDUTUPUIFTFSWFS UIBUBMSFBEZMPBEFENPEVMFT 4FQBSBUFNPEVMFMPBEJOHGSPNCPPUTUSBQ

  49. $MJFOU1SPDFTT 1*% 4UBSU%BFNPO 4FSWFS 4FSWFS1SPDFTT 1*% # Loading dependencies. require

    'rubocop' TCPServer.open('127.0.0.1', port) Process.daemon(true) rubocop-daemon % rubocop-daemon start rubocop rubocop-daemon startTUBSUTTFSWFSQSPDFTT

  50. $MJFOU1SPDFTT 1*% 4UBSU%BFNPO 4FSWFS 4FSWFS1SPDFTT 1*% # Loading dependencies. require

    'rubocop' TCPServer.open('127.0.0.1', port) Process.daemon(true) rubocop-daemon % rubocop-daemon start rubocop rubocop-daemon startTUBSUTUIFQSPDFTTBTEBFNPO Process.daemon(true)

  51. 6QBOESVOOJOH $MJFOU1SPDFTT 1*% 4UBSU%BFNPO 4FSWFS 4FSWFS1SPDFTT 1*% # Loading dependencies.

    require 'rubocop' TCPServer.open('127.0.0.1', port) Process.daemon(true) rubocop-daemon % rubocop-daemon start rubocop rubocop-daemon startTUBSUTUIFQSPDFTTBTEBFNPO Process.daemon(true)

  52. 6QBOESVOOJOH $MJFOU1SPDFTT 1*% &YFD3VCP$PQ 7JBDMJFOU 4FSWFS1SPDFTT 1*% # Loaded API

    RuboCop::CLI.new.run rubocop-daemon % rubocop-daemon exec rubocop rubocop-daemon execSVOTCLI.new.run PGEBFNPO TCP/IP TCPSocket.open('127.0.0.1', port)

  53. 6QBOESVOOJOH $MJFOU1SPDFTT 1*% &YFD3VCP$PQ 7JBDMJFOU 4FSWFS1SPDFTT 1*% # Loaded API

    RuboCop::CLI.new.run rubocop-daemon % rubocop-daemon exec $MJFOU1SPDFTT 1*% % rubocop-daemon exec rubocop $POUJOVFUPDPOOFDUUPUIFBMSFBEZSVOOJOHEBFNPO TCP/IP TCP/IP

  54. 6QBOESVOOJOH $MJFOU1SPDFTT 1*% &YFD3VCP$PQ 7JBDMJFOU 4FSWFS1SPDFTT 1*% # Loaded API

    RuboCop::CLI.new.run rubocop-daemon % rubocop-daemon exec $MJFOU1SPDFTT 1*% % rubocop-daemon exec rubocop $POUJOVFUPDPOOFDUUPUIFBMSFBEZSVOOJOHEBFNPO "MXBZTUIFTBNF1*% TCP/IP TCP/IP

  55. *ODPOWFOJFOUUXPQIBTF

  56. SVCPDPQEBFNPOXSBQQFS 4FSWFS1SPDFTT QJE require 'rubocop' TCPServer.open('127.0.0.1', port) Process.daemon(true) rubocop-daemon-wrapper rubocop

    5IFTIFMMTDSJQUTUBSUTUIFEBFNPOJGJUJTOPUSVOOJOH $MJFOU1SPDFTT QJE if [ ! -f "$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  

  57. 4FSWFS1SPDFTT QJE require 'rubocop' TCPServer.open('127.0.0.1', port) Process.daemon(true) SVCPDPQEBFNPOXSBQQFS rubocop-daemon-wrapper rubocop

    5IFTIFMMTDSJQUTUBSUTUIFEBFNPOJGJUJTOPUSVOOJOH $MJFOU1SPDFTT QJE if [ ! -f "$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)

  58. SVCPDPQEBFNPOXSBQQFS 4FSWFS1SPDFTT QJE require 'rubocop' TCPServer.open('127.0.0.1', port) Process.daemon(true) rubocop-daemon-wrapper rubocop

    5IFTIFMMTDSJQUTUBSUTUIFEBFNPOJGJUJTOPUSVOOJOH $MJFOU1SPDFTT QJE if [ ! -f "$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

  59. SVCPDPQEBFNPOXSBQQFS 4FSWFS1SPDFTT QJE require 'rubocop' TCPServer.open('127.0.0.1', port) Process.daemon(true) rubocop-daemon-wrapper rubocop

    5IFTIFMMTDSJQUTUBSUTUIFEBFNPOJGJUJTOPUSVOOJOH $MJFOU1SPDFTT QJE if [ ! -f "$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"

  60. *OUFHSBUJPOSVCPDPQEBFNPOJOUP 3VCP$PQJTBVTFGVMBQQSPBDI

  61.  1BTUBOEDVSSFOU  8IBUTSVCPDPQEBFNPO  *OUFHSBUFXJUISVCPDPQEBFNPO  5IFTFSWFSNPEF"1*EFTJHO  4FSWFSQSPDFTTBOEDBDIJOHpMFT

    "HFOEB

  62. SVCPDPQSVCPDPQ 1FSGPSNBODFJNQSPWFNFOUTGPSCFUUFSFEJUPSJOUFHSBUJPO

  63. None

  64. 5IJTJTBTUPSZPGIPX* EJE3VCZ,BJHJESJWFO EFWFMPQNFOU "OE*SFHSFUUIBU*EJEOPU SFBDIUIFNJMFTUPOFQVMM SFRVFTUOVNCFS ΩϦ൪ 😅 3*4&61

  65. SVCPDPQSVCPDPQ *OUFHSBUFSVCPDPQEBFNPO

  66. None

  67. )PXUPJOUFHSBUFXJUI SVCPDPQEBFNPO

  68. $MJFOU1SPDFTT 1*% "CPVUUIFTFSWFSNPEF client process % rubocop --server server process

    4QFDJGZ--serverPQUJPOUPCPPUJOTFSWFSNPEF

  69. $MJFOU1SPDFTT 1*% "CPVUUIFTFSWFSNPEF 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 client process % rubocop --server server process 4UBSUTFSWFSQSPDFTTFTBOEJOTQFDUTPVSDFDPEF

  70. $MJFOU1SPDFTT 1*% "CPVUUIFTFSWFSNPEF 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 client process % rubocop --server $MJFOU1SPDFTT 1*% % rubocop --server server process $POUJOVFUPDPOOFDUUPBOBMSFBEZSVOOJOHTFSWFS "MXBZTUIFTBNFQSPDFTT

  71. 0VUMJOFPGTFSWFSNPEF

  72. wRuboCop::CLI.new.runJTGPS OPTFSWFSNPEF EFGBVMU  wRuboCop::Server::CLI.new. runJTGPSTFSWFSNPEF 5XPFOEQPJOU"1*T

  73. wrequire 'rubocop'SFRVJSFT NPTUPGpMFT IFBWZXFJHIU  wrequire 'rubocop/server'POMZ SFRVJSFTpMFTOFFEFEGPS TFSWFSNPEF MJHIUXFJHIU

    3FEVDFSFRVJSFENPEVMFT

  74. YGBTUFSNPEVMFMPBEJOH TFD      SFRVJSFSVCPDPQ SFRVJSFSVCPDPQTFSWFS wrequire

    'rubocop' SFRVJSFTNPTUPGpMFT wrequire 'rubocop/ server'POMZSFRVJSFT pMFTOFFEFEGPS TFSWFSNPEF

  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 SFRVJSFSVCPDPQTFSWFS

  76. 1BTUexe/rubocop  $LOAD_PATH.unshift("#{__dir__}/../lib") require 'rubocop' RuboCop::CLI.new.run $PEFTOJQQFU &YFDVUFEFBDIUJNFXJUIUIFASVCPDPQADPNNBOE 3FRVJSFEFBDIUJNFXJUIUIFASVCPDPQADPNNBOE

  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'

  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?

  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?

  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

  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

  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

  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?

  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

  85. w0CKFDUTMPBEFEXJUIrequire  require_relativeFUD JUJTJO NFNPSZ w5IFTFSWFSQSPDFTTJTGBTUFSXIFO SFRVJSFENPEVMFTBSFMPBEFE 4QFFEVQXJUITFSWFS

  86. 1SPHSBNNJOHXIBUJTDPEFEBOE XIBUJTOPUDPEFE !LBLVUBOJTBZT IUUQTTQFBLFSEFDLDPNLBLVUBOJBHJMFNBOJGFTUPEFDBEF TMJEF

  87.  1BTUBOEDVSSFOU  8IBUTSVCPDPQEBFNPO  *OUFHSBUFXJUISVCPDPQEBFNPO  5IFTFSWFSNPEF"1*EFTJHO  4FSWFSQSPDFTTBOEDBDIJOHpMFT

    "HFOEB

  88. $PNNBOEMJOF"1*EFTJHO

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

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

  91. wSVCPDPQEBFNPOVTFSTTFFNUPXBOUUPTUBSUUIF TFSWFSXJUIrubocopDPNNBOE JGUIFTFSWFSJTOPU TUBSUFE  w5IBUTXIZrubocop-daemon-wrapperJTQSPWJEFE w"GUFSBMM*BMJBTUPFNBDT •alias emacs='emacsclient -nw

    -a ""' w*DIPTFUPBEE--serverPQUJPOUPUIFrubocopDPNNBOE 8IZOPUrubocop-server

  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

  93. 4FSWFSNPEFPQUJPOT

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

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

  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

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

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

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

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

  101. w:PVDBODPOpSNTFSWFS TUBUVT w4IPXOXJUI1*%XIFOSVOOJOH --server-status % rubocop --server-status RuboCop server (25960)

    is running. % rubocop --server-status RuboCop server is not running.

  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]

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

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

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

    "HFOEB

  106. 4FSWFSQSPDFTTBOE DBDIJOHpMFT

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

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

    4UBSUBOFXTFSWFSQSPDFTTBOEHFUUIF1*% Socket

  109. DBDIFSVCPDPQ@DBDIFTFSWFS $MJFOU1SPDFTT 1*% TU4UBSUBOEFYFDUIFTFSWFS 4FSWFS1SPDFTT 1*% % rubocop --server 8SJUFQJE

    QPSU WFSTJPO BOEPUIFSTUPDBDIFpMFT QJE QPSU WFSTJPO Disk IO client server

  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

  111. DBDIFSVCPDPQ@DBDIFTFSWFS $MJFOU1SPDFTT 1*% OE&YFDUIFTFSWFS 4FSWFS1SPDFTT 1*% % rubocop --server $POOFDUUPUIFTFSWFSQSPDFTTBOEJOTQFDUJPO

    QJE QPSU WFSTJPO $MJFOU1SPDFTT 1*% % rubocop (--server) Socket client server

  112. DBDIFSVCPDPQ@DBDIFTFSWFS $MJFOU1SPDFTT 1*% 5IFDBDIFEJSFDUPSZ 4FSWFS1SPDFTT 1*% % rubocop --server 5IFDBDIFJTQMBDFEJO~/.cacheEJSFDUPSZCZEFGBVMU

    QJE QPSU WFSTJPO $MJFOU1SPDFTT 1*% % rubocop (--server) client server

  113. DBDIFSVCPDPQ@DBDIFTFSWFS $MJFOU1SPDFTT 1*% 5IFDBDIFEJSFDUPSZ 4FSWFS1SPDFTT 1*% % rubocop --server 3FTUBSUUIFQSPDFTTXIFOBGUFSbundle

    update QJE QPSU WFSTJPO $MJFOU1SPDFTT 1*% % rubocop (--server) 5IFDMJFOUDPNNBOESFTUBSUTUIFTFSWFS QSPDFTTJGJUEFUFDUTJODPNQBUJCMFWFSTJPO client server

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

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

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

  117. -FBSOGSPNZFTUFSEBZ rubocop.org MJWFGPSUPEBZ IPQFGPSUPNPSSPX ʔAlbert Einstein