Commit message will never die

Rails Developers Meetup 2018: day 1
(https://techplay.jp/event/639872)

Transcript

1. $PNNJUNFTTBHFXJMMOFWFSEJF
   4BU
   
   3BJMTίϯτϦϏϡʔγϣϯ
   ͔ΒֶΜͩ
   (JU(JU)VCज़
   ҏ౻ߒҰ !LPJD
   FTN
   3BJMT%FWFMPQFST.FFUVQEBZ
   άϥϯτ΢Ωϣ΢α΢ελϫʔ֊
   

   View Slide

2. View Slide

3. View Slide

4. View Slide

5. View Slide

6. View Slide

7. ࠓ೔ͷ࿩
   

   View Slide

8. IUUQTUXJUUFSDPNLPJDTUBUVT
   

   View Slide

9. SBJMTSBJMT
   3FNPWFA"4.VMUJCZUFATVOJDPEFUBCMF
   

   View Slide

10. View Slide

11. $POUFYU
    Կނඞཁ͔
    

    View Slide

12. $POUFYU
    Կނඞཁ͔
    .FSJU
    ͲΜͳಘ͕
    

    View Slide

13. )PX
    ࣮૷ϙΠϯτ
    

    View Slide

14. )PX
    ࣮૷ϙΠϯτ
    ࣮ࡍ͸·
    ͩଓ͘
    

    View Slide

15. .FTVSF
    ܭଌ
    

    View Slide

16. .FTVSF
    ܭଌ
    Ϛʔδͯ͠΋Β͏ͨΊʹඞཁͳ৘ใΛ
    ඞཁͳ͚ͩ٧Ί͍ͯΔ
    

    View Slide

17. ŠŠŠŠŠŠŠ౰ͨΓલΛ౰ͨΓલʹ
    Step up your natural commit skill
    

    View Slide

18. ,BUB
    

    View Slide

19. w5IFTFWFOSVMFTBHBJO
    w.Z3PDL)FSPFTJO
    +BQBO
    w(JU(JU)VCXPSLqPX
    "HFOEB
    

    View Slide

20. w5IFTFWFOSVMFTBHBJO
    w.Z3PDL)FSPFTJO
    +BQBO
    w(JU(JU)VCXPSLqPX
    "HFOEB
    

    View Slide

21. IUUQTDISJTCFBNTJPQPTUTHJUDPNNJU
    

    View Slide

22. 4FQBSBUFTVCKFDUGSPNCPEZXJUIBCMBOLMJOF
    -JNJUUIFTVCKFDUMJOFUPDIBSBDUFST
    $BQJUBMJ[FUIFTVCKFDUMJOF
    %POPUFOEUIFTVCKFDUMJOFXJUIBQFSJPE
    6TFUIFJNQFSBUJWFNPPEJOUIFTVCKFDUMJOF
    8SBQUIFCPEZBUDIBSBDUFST
    6TFUIFCPEZUPFYQMBJOXIBUBOEXIZWTIPX
    5IFTFWFOSVMFTPGBHSFBU(JU
    DPNNJUNFTTBHF
    

    View Slide

23. IUUQTQPTUEDDIPXUPXSJUFBHJUDPNNJUNFTTBHF
    

    View Slide

24. View Slide

25. ৺ʹཹΊ͓͍͍ͯͯͩ͘͞
    ͜Ε͸ࠓ·Ͱ΋
    ݴΘΕ͖ͯͨ
    ͣͬͱ
    ͜ͱͰ͢ɻ
    

    View Slide

26. कഁ཭
    

    View Slide

27. कഁ཭
    

    View Slide

28. 
    .JYJO+BQBOFTF
    

    View Slide

29. 
    
    

    View Slide

30. w ߦۭ͚ͯॻ͖·͠ΐ͏
    w HJUͷίϛοτϝοηʔδ͸ߦ໨͕
    λΠτϧɺߦ໨Ҏ͕߱ຊจ
    w ߦ໨ΛۭʹͤͣຊจΛॻ͘ͱશͯλ
    Πτϧѻ͍ʹͳΓɺgit --oneline
    ΍tig ίϚϯυͰҰॹͨ͘ʹͳΔ
    λΠτϧͷޙ͸ߦۭ͚ͯຊจΛॻ͘
    

    View Slide

31. λΠτϧͷޙ͸ߦۭ͚ͯຊจΛॻ͘
    λΠτϧ
    ߦ໨
    
    ຊจ
    ߦ໨Ҏ߱
    
    ۭߦ
    ߦ໨
    
    

    View Slide

32. 
    
    

    View Slide

33. w ࣈ͸໨҆Ͱଟগӽ͑ͯ΋ྑ͍
    w ཁ໿ʹͰ͖ͳ͍΄Ͳ௕͘ͳΔΑ͏Ͱ͋
    Ε͹ͦΕ͸ຊจʹॻ͘͜ͱ
    w ίϛοτϝοηʔδ͸ʮԿނʯΛॻ͘
    ΋ͷ͕ͩλΠτϧ͸ʮԿΛʯͰྑ͍
    λΠτϧΛࣈҎ಺ʹ͓͞ΊΔ
    

    View Slide

34. 
    
    

    View Slide

35. w จষͷ࢝Ί͕େจࣈ͸ӳจ๏ͷجຊ
    w lӳจ๏จষઌ಄େจࣈz<ݕࡧ>
    w ೔ຊޠͳΒؾʹ͠ͳ͍ ؔ܎ͳ͍
    
    λΠτϧͷจ಄Λେจࣈʹ͢Δ
    

    View Slide

36. 
    
    

    View Slide

37. w λΠτϧྖҬΛݮΒͤΔ
    w ೔ຊޠͰ΋۟఺͸ෆཁ
    w ۟఺͕ݱΕΔͱಡ఺΋ݱΕ࢝ΊͨΓཁ
    ໿͔Β௕Ίͷઆ໌΁ͱ཭Ε͍ͯ͘
    w ΧϯϚɺಡ఺໨ඪͰ࠷େճΛ໨҆
    ʹ͍ͯ͠Δ
    λΠτϧͷจ຤ʹϐϦΦυΛ෇͚ͳ͍
    

    View Slide

38. 
    
    

    View Slide

39. w /"
    w ೔ຊޠͷ৔߹͸ମݴࢭΊ͔༻ݴࢭΊ͔
    ΛͳΔ΂͘౷Ұ͍ͯ͠Δ
    w ݸਓతʹ͸༻ݴࢭΊΛ࢖͍ͬͯΔ
    w ந৅ྫʓʓΛ˚˚͢Δ
    λΠτϧ͸໋ྩ๏Ͱهड़͢Δ
    

    View Slide

40. 
    
    

    View Slide

41. w ࣈ͸໨҆Ͱଟগӽ͑ͯ΋ྑ͍
    w 13ͷຊจʹॻ͘಺༰Λه͓ͯ͘͠ͱ
    ྑ͍ ޙड़͢Δ(JU)VCͱͷ࿈ಈྫ
    
    ຊจ͸ߦ͋ͨΓࣈҎ಺ʹ͓͞ΊΔ
    

    View Slide

42. 
    
    

    View Slide

43. w ʮͲͷΑ͏ʹ )PX
    ʯ͸࣮૷ΛಡΊ
    ͹Θ͔Δ
    w ʮԿΛ 8IBU
    ʯ͸ίϛοτϝοηʔ
    δߦ໨ʹλΠτϧͱͯ͠ه͢
    w ʮͳͥ 8IZ
    ʯ͸ίϛοτϝοηʔ
    δߦ໨ͷຊจͱͯ͠ه͢
    ຊจͰ͸ʮͲͷΑ͏ʹʯͰ͸ͳ͘ʮԿ
    ΛʯͱʮͳͥʯΛઆ໌͢Δ
    

    View Slide

44. 8IBU
    ԿΛ͢Δ͔
    

    View Slide

45. $POUFYU
    Կނඞཁ͔
    8IBU
    ԿΛ͢Δ͔
    

    View Slide

46. $POUFYU
    Կނඞཁ͔
    .FSJU
    ͲΜͳಘ͕
    8IBU
    ԿΛ͢Δ͔
    

    View Slide

47. $POUFYU
    Կނඞཁ͔
    .FSJU
    ͲΜͳಘ͕
    8IBU
    ԿΛ͢Δ͔
    8IBU
    

    View Slide

48. $POUFYU
    Կނඞཁ͔
    .FSJU
    ͲΜͳಘ͕
    8IBU
    ԿΛ͢Δ͔
    8IZ
    8IBU
    

    View Slide

49. 5IFTFBSF
    (VJEFMJOFT
    IUUQKBXJLJQFEJBPSHXJLJ&""&""&##&&##"NFEJB'JMF$BOUJOP1MBOJTQIFSFQOH
    

    View Slide

50. w5IFTFWFOSVMFTBHBJO
    w.Z3PDL)FSPFTJO
    +BQBO
    w(JU(JU)VCXPSLqPX
    "HFOEB
    

    View Slide

51. )FSPFT
    !LBNJQP !ZZBHJ
    !BNBUTVEB
    BOENPSF
    !ZBIPOEB !QPDLF
    

    View Slide

52. w ڧͦ͏ͳਓͨͪɻڧͦ͏ͳਓͨͪΛਅ
    ࣅΕ͹ڧ͘ͳΕͦ͏
    w ڧ͍ਓୡ͸ίϛοτϝοηʔδ΋ڧ͍
    w ίʔυ͚ͩͰͳ͘ίϛοτϝοηʔδ
    ΋ެ։͞Εͯͯഎத͔Β,BUBΛֶͿ
    ͜ͱ͕Ͱ͖Δ
    )FSPJTTUSPOH
    

    View Slide

53. ,BUB
    28"/
    JO
    2VBMJUZ8JUIPVU"/BNF
    

    View Slide

54. w l/PEFTDSJQUJPOQSPWJEFE͸
    ಛʹॳର໘ʹରͯ͠
    ࣦྱz
    w lͳͥͦͷ13ΛϚʔδ͢Δඞཁ͕͋
    Δͷ͔Λॻ͘z
    w l༗ӹͳ৘ใ͸͢΂ͯه͢z
    w l$PTNFUJDDIBOHFͰ͸͋͑ͯ͋
    ·Γॻ͔ͳ͍ ࣭ྔͷରൺ
    z
    )FSPFT໊ݴू ࢲͷίϯύε
    
    

    View Slide

55. 
    lOPEFTDSJQUJPO
    QSPWJEFEzΛ߇͑Δ
    (JU(JU)VC5JQT
    

    View Slide

56. #FGPSF
    IUUQTHJUIVCDPNNVSZPJNQMCVPZTQVMM
    

    View Slide

57. "GUFS
    IUUQTHJUIVCDPNCCBUTPWSVCPDPQQVMM
    

    View Slide

58. w5IFTFWFOSVMFTBHBJO
    w.Z3PDL)FSPFTJO
    +BQBO
    w(JU(JU)VCUJQT
    "HFOEB
    

    View Slide

59. My workflow
    before and after
    

    View Slide

60. w NBTUFSʹ͍Δ··࡞ۀ
    w ࡞ۀ໨ॲ͕͍ͭͨΒϒϥϯνΛ੾Δ
    w HJUDPNNJU࣌ʹ͸λΠτϧ͚ͩΛ
    ॻ͍ͯίϛοτ
    w 13ͰຊจΛॻ͘
    ʙ೥͘Β͍લͷ࡞ۀϑϩʔ
    

    View Slide

61. w ࡞ۀͷཁ໿Λϒϥϯν໊ʹͯ͠ϒϥϯ
    νΞ΢τ
    w λΠτϧͱຊจΛίϛοτ
    w 13͸੔ܗͷΈ
    ݱࡏͷ࡞ۀϑϩʔ
    

    View Slide

62. w ࡞ۀͷཁ໿Λϒϥϯν໊ʹͯ͠ϒϥϯ
    νΞ΢τ
    w λΠτϧͱຊจΛίϛοτ
    w 13͸੔ܗͷΈ
    ݱࡏͷ࡞ۀϑϩʔ
    5JQT঺հ
    

    View Slide

63. lOPEFTDSJQUJPOQSPWJEFEzΛ߇͑Δ
    ࡞ۀ໨తʹ͍ͭͯϒϥϯν໊Λ෇͚Δ
    ϒϥϯνΛߜΓࠐΊΔΑ͏ʹ͢Δ
    .BSLEPXOΛ࢖ͬͯίϛοτϝοηʔδΛॻ͘
    λΠτϧͱҰॹʹຊจΛॻ͘
    $MPTJOHLFZXPSETΛ׆༻͢Δ
    ؔ࿈͢Δίϛοτ͸TRVBTI͢Δ
    (JU(JU)VCUJQT
    ࡁ
    

    View Slide

64. 
    ࡞ۀ໨తʹ͍ͭͯ
    ϒϥϯν໊Λ෇͚Δ
    (JU(JU)VC5JQT
    

    View Slide

65. w ࡞ۀ ్த
    ͷ͜ͱʹ͍֮ͭͯॻʹͳΔ
    w (JU)VCͰͷλΠτϧΛΠϝʔδ͢Δ
    w Ϛʔδ͞ΕΔࡍʹl.FSHFQVMM
    SFRVFTUGSPNVTFS
    CSBODIOBNFzͱ͍ͬͨײ͡Ͱλ
    ΠτϧʹೖΔͷͰͳΔ΂͘୹ͯ͘͠Δ
    ࡞ۀ໨తʹ͍ͭͯϒϥϯν໊Λ͚ͭΔ
    

    View Slide

66. λΠτϧͱϒϥϯν໊ͷ૬ҧ FH
    
    ϒϥϯν໊
    

    View Slide

67. λΠτϧͱϒϥϯν໊ͷ૬ҧ FH
    
    ϒϥϯν໊
    

    View Slide

68. λΠτϧͱϒϥϯν໊ͷ૬ҧ FH
    
    ϒϥϯν໊
    

    View Slide

69. λΠτϧͱϒϥϯν໊ͷ૬ҧ FH
    
    ϒϥϯν໊
    

    View Slide

70. View Slide

71. 
    ϒϥϯνΛߜΓࠐΊΔΑ͏
    ʹ͢Δ
    (JU(JU)VC5JQT
    

    View Slide

72. ϒϥϯν໊ͰߜΓࠐΉ
    alias cb=‘
    git checkout `
    git branch |
    peco |
    sed -e "s/\* //g" |
    awk "{print \$1}"`'
    IUUQTHJUIVCDPNLPJDEPUpMFTCMPCFECECGBCGCEPUTIHJUTI-
    ߜΓࠐΈ༻
    ΤΠϦΞε
    

    View Slide

73. ϒϥϯν໊ͰߜΓࠐΉ
    IUUQTHJUIVCDPNLPJDEPUpMFTCMPCFECECGBCGCEPUTIHJUTI-
    QFDPͰߜΓࠐΈ
    

    View Slide

74. w LPJDΦϦδφϧ
    w ࡞Γ͔͚ͷϩʔΧϧͷ΋ͷɺੜࣽ͑Ͱ
    ެ։ʹ͸ૣ͗͢Δ
    w ෳ਺ͷ࡞ۀதϒϥϯνΛ࣋ͭϦϙδτ
    ϦͰͷϒϥϯνߜΓࠐΈͷϔϧύʔ
    w ෆඞཁʹόοΫϦϯΫΛ͚ͭͨ͘ͳ͍
    ࡞ۀதϒϥϯνͷ઀಄ࢠʹXJQ@Λ෇͚Δ
    

    View Slide

75. XJQ@Ͱ࢝·Δϒϥϯν͸QVTIͰ͖ͳ͍
    #!/bin/sh
    #
    if [ "$(git rev-parse --abbrev-ref HEAD |
    grep '^wip_')" ]; then
    echo "\033[0;31m[ABORT] You cannot push
    a branch whose prefix is \`wip_\`.
    \033[0;39m" 1>&2
    exit 1
    fi
    exit 0
    IUUQTHJUIVCDPNLPJDEPUpMFTDPNNJUGCBCEEDEFGCCEFEGB
    HJUIPPLT
    QSFQVTI
    

    View Slide

76. %&.0
    
    

    View Slide

77. 
    .BSLEPXOΛ࢖ͬͯ
    ίϛοτϝοηʔδΛॻ͘
    (JU(JU)VC5JQT
    

    View Slide

78. IUUQLPJDIBUFOBCMPHDPNFOUSZHJUDPOpHHMPCBMDPSFDPNNFOUDIBS
    

    View Slide

79. w HJUͷσϑΥϧτͩͱɺίϛοτϝοηʔ
    δΛฤू͢ΔΤσΟλͰͷίϝϯτߦ͕
    ʹͳ͍ͬͯΔ
    w ҰํͰ(JU)VCͷ1VMM3FRVFTUͰ
    จॻߏ଄Λ࡞Δ࣌͸.BSLEPXOͱͳ
    ΔͨΊɺݟग़͠ʹ࢖͏͕ίϝϯτߦͱ
    ͯ͠ίϛοτϝοηʔδ͔Βফ͍͑ͯͨ
    ΁Μෆศ
    .BSLEPXOͰॻ͘5JQ
    

    View Slide

80. ίϝϯτͷจࣈΛ͔Βมߋ͢Δ
    % git config --global core.commentchar '^'
    ?ʹมߋ͢Δ
    w ΋ͪΖΜ?Ͱͳͯ͘΋ྑ͘ɺϓϥοτϑΥʔ
    ϜͰൺֱతߦ಄ʹ࢖Θͳͦ͞͏ͳ΋ͷΛબͿ
    w ྫ͑͹3VCZͩͱ΍!ͳͲ͸ίϛοτϝο
    ηʔδͰίʔυྫΛه͠͏ΔͷͰ࢖͑ͳ͍
    

    View Slide

81. ίϝϯτͷจࣈΛ͔Βมߋ͢Δ
    diff --git a/dot.gitconfig b/dot.gitconfig
    index 07e3ef8..a95eae6 100644
    --- a/dot.gitconfig
    +++ b/dot.gitconfig
    @@ -30,6 +30,7 @@
    branch = auto
    interactive = auto
    [core]
    + commentchar = ^
    editor = emacsclient -nw -a ''
    excludesfile = ~/.gitignore
    [diff]
    % git config --global core.commentchar '^'
    HJUDPOpH΁ͷ௥Ճ
    

    View Slide

82. 
    λΠτϧͱҰॹʹຊจΛॻ͘
    (JU(JU)VC5JQT
    

    View Slide

83. w 1VMM3FRVFTUʹॻ͘͜ͱΛ͋Β͔͡Ίί
    ϛοτϝοηʔδʹه͢
    w ʮίϛοτˠ13࣌ʹॻ͘ʯͰ͸ͳ͘ʮίϛο
    τ࣌ʹॻ͘ˠ13͸੔ܗ͘Β͍ʯ
    w Ͳ͏ͤॻ͘ͳΒϒϥ΢βͰ͸ͳ͘޷͖ͳΤ
    σΟλͰ
    w NBTUFSQVTI͢Δͱ͖ͱྲྀΕΛม͑ͳ͍
    λΠτϧͱҰॹʹຊจΛॻ͘
    

    View Slide

84. HJUDPNNJU࣌ʹΤσΟλฤू͢Δ
    

    View Slide

85. 13࣌ʹλΠτϧຊจ͕ຒ·ͬͯΔ
    

    View Slide

86. 
    $MPTJOHLFZXPSET
    Λ׆༻͢Δ
    (JU(JU)VC5JQT
    

    View Slide

87. w ίϛοτϝοηʔδʹ'JYFT൪߸
    ͳͲؚΉͱ*TTVF΁ͷΫϩʔζ࿈ܞ
    ʹͳΔ
    w طʹڍ͕͍ͬͯΔ*TTVF΁ͷϙΠϯ
    λʹ΋ͳΔར఺͕͋Δ
    $MPTJOH,FZXPSETΛ׆༻͢Δ
    

    View Slide

88. IUUQTIFMQHJUIVCDPNBSUJDMFTDMPTJOHJTTVFTVTJOHLFZXPSET
    ༗ޮͳΩʔϫʔυ
    

    View Slide

89. 'JYFTͷྫ FH
    
    *TTVFΛ
    ࢦఆ͍ͯ͠Δ
    

    View Slide

90. 'JYFTͷྫ FH
    
    *TTVFΛ·ͱΊͯ
    ࢦఆ͍ͯ͠Δ
    

    View Slide

91. 'JYFTͷྫ FH
    
    ϦϙδτϦʹΑΓ
    λΠτϧهࡌ
    

    View Slide

92. 
    ؔ࿈͢Δίϛοτ͸
    TRVBTI͢Δ
    (JU(JU)VC5JQT
    

    View Slide

93. ຬΛ࣋ͯ͠13΁ͷ४උ
    1SPCMFN
    දग़͢Δ໰୊
    

    View Slide

94. ຬΛ࣋ͯ͠13΁ͷ४උ
    $POUFYU
    ඞཁͳഎܠ
    

    View Slide

95. ຬΛ࣋ͯ͠13΁ͷ४උ
    8IZ
    ରҊͱͷൺֱ
    $POUFYU
    ඞཁͳഎܠ
    

    View Slide

96. 0QFOB13
    

    View Slide

97. ࢲͷ3VCP$PQྗ͸
    Use ""
    

    View Slide

98. View Slide

99. TRVBTI
    
    HJUQVTIIFBEG
    

    View Slide

100. w ϝϯςφ͸ɺϩʔΧϧͰͷ։ൃ ྫ5%%
     
     ʹΑΔSFEDPNNJUHSFFO
     DPNNJUSFGBDUPSDPNNJUͷ
     ίϛοτཻ౓ʹ͸ڵຯ͕ͳ͍
     w 13લͷϩʔΧϧ͸࡞ۀΛҰ۠੾Γͨ͠
     ཻ͍౓ɺ13ϚʔδޙͷϦϞʔτ͸มߋ
     ཤྺΛ௥ཻ͍͍ͨ౓ͱͳΔ
     TRVBTI΁ͷࢥߟ
     
     

     View Slide

101. w ϝϯςφϯεͰݫີʹॏཁͳͷ͸ҎԼ
     w ίϛοτͰͭͷมߋཧ༝Ͱ͋Δ͜ͱ
     w ςετίʔυ͕ηοτͰ͋Δ͜ͱ
     w ݁࿦13ϨϏϡʔޙʹTRVBTI͢Δ
     Α͏ٻΊΒΕΔ͕ɺ͜Ε͸ਖ਼͍࢟͠੎
     Ͱ͋Δ
     TRVBTI΁ͷࢥߟ
     
     

     View Slide

102. ͓Ϛʔδ
     

     View Slide

103. ϝϯςͷྺ࢙ʹ։ൃ్্ͷ͸ෆཁ
     ίϛοτʹTRVBTIͯ͠
     ෆཁͳίϛοτ͕ݱΕͳ͍
     

     View Slide

104. ॱಓ੍উ
     ͍·͋ΔྗͰಊʑͱίϛϡχςΟʹࢀՃ
     

     View Slide

105. w SBJMTSBJMTϦϙδτϦ͔Β͸ɺ3BJMTͷίʔ
     υ͚ͩͰͳ͘13ͷग़͠ํ͔Βίϛοτϝο
     ηʔδͷॻ͖ํ΋ֶͿ͜ͱ͕Ͱ͖Δ
     w ಛʹίϯτϦϏϡʔλ࣌୅͔Βίϛολʔ
     ʹͳ͍ͬͯΔ3BJMTίϛολʔͷίϛοτ
     ͸͓खຊʹ͓͢͢Ί ૞ࠪҰ՝՝௕ײ͋Δ
     
     w ίϛοτϝοηʔδΛ੍͢Δ΋ͷ͸Ϧϙδ
     τϦͷྺ࢙ͷ҆ఆΛ੍͢Δ
     ͓ΘΓʹ
     

     View Slide

106. IUUQTUXJUUFSDPNLPJDTUBUVT
     

     View Slide

107. 3BJMT044ύονձ ݄࣍։࠵
     
     

     View Slide

108. ࣍ճ݄೔ ݄
     ʙFTNʹͯ
     :PV
     

     View Slide

109. View Slide

110. One more thing…
     

     View Slide

111. View Slide

112. ͋ͱ͸෼͔Γ·͢Ͷʁ
     ࠾༻
     ೥Ҏ্ͷ3BJMTΞϓϦ։ൃͷ࣮੷
     l3BJMT044Λ௨͡੒௕͍ͨ͠ϓϩάϥϚʔz
     @koic·ͰͲ͏ͧ
     

     View Slide