Upgrade to Pro — share decks privately, control downloads, hide ads and more …

Git の内部データ構造

Sponsored · Ship Features Fearlessly Turn features on and off without deploys. Used by thousands of Ruby developers. →
Avatar for Shuhei Kagawa Shuhei Kagawa
August 20, 2015
Programming
2.1k
2

Git の内部データ構造

Git がどのようにデータを保持しているかについて解説します。

Avatar for Shuhei Kagawa

Shuhei Kagawa

August 20, 2015

More Decks by Shuhei Kagawa

See All by Shuhei Kagawa
Profiling Node.js apps on production
Avatar for Shuhei Kagawa shuhei
0
970
Building a Pixel Art Editor with Elm
Avatar for Shuhei Kagawa shuhei
1
890
Redux Middleware Wars (Japanese)
Avatar for Shuhei Kagawa shuhei
8
1.9k
Redux Middleware Wars (English)
Avatar for Shuhei Kagawa shuhei
0
220
Draw Animated Chart on React Native
Avatar for Shuhei Kagawa shuhei
0
9k
Angular 2 Offline Compiler
Avatar for Shuhei Kagawa shuhei
0
5.5k
Weird Attractors
Avatar for Shuhei Kagawa shuhei
0
950
Angular 2 @ JS Ojisan #6-3
Avatar for Shuhei Kagawa shuhei
1
3.1k
Introduction to Angular 2
Avatar for Shuhei Kagawa shuhei
2
190

Other Decks in Programming

See All in Programming
高専キャリア LT 発表内容
Avatar for Crysta1221 crysta1221
4
4.2k
Hello, Hiroshima Geospatial Data! — Exploring DoboX with Python
Avatar for ぴっかりん ra0kley
0
110
typoなんかねぇよ
Avatar for らすぴー raspython3
0
610
ドリフトを絶対に許さない（？）CDK運用 / CDK Ops with Zero Tolerance for Drifts (?)
Avatar for アキキー | Akihisa Ikeda akihisaikeda
1
240
AI Engineeringは、AIプロダクトだけのものか？ 〜AIがソフトウェアを作る時代の新しい当たり前〜 / No AI in your product. AI Engineering in your development.
Avatar for r-kagaya rkaga
5
550
コンパウンドプロダクト開発のためのローカルプロセスマネージャー再発明 #layerxgo
Avatar for izumin5210 izumin5210
0
450
Go 1.27からのGODEBUG / Go 1.27 リリースパーティ #go127party
Avatar for mazrean mazrean
0
250
生成AIで帳票OCRが「簡単に」作れる時代になった？
Avatar for Shohei Kondo kon_shou
0
1.2k
バグを直したら useEffect が消えた
Avatar for taki colorful12
3
760
Jindong: Introducing Declarative Haptics in Compose Multiplatform
Avatar for HyunWoo Lee l2hyunwoo
0
130
Pythonの実行はどこまで賢くなったのか？ CPythonとPyPyから見る最適化のしくみ
Avatar for curekoshimizu curekoshimizu
3
2.2k
Hono + Inertia + React で LP を構築した話
Avatar for Yuka Ooka oukayuka
2
180

Featured

See All Featured
CSS Pre-Processors: Stylus, Less & Sass
Avatar for Bermon Painter bermonpainter
360
30k
<Decoding/> the Language of Devs - We Love SEO 2024
Avatar for Nikki Halliwell nikkihalliwell
1
300
The innovator’s Mindset - 
Leading Through an Era of Exponential Change - McGill University 2025
Avatar for Jean-Marc De Jonghe jdejongh
PRO
1
300
How Fast Is Fast Enough? [PerfNow 2025]
Avatar for Tammy Everts tammyeverts
3
830
The Language of Interfaces
Avatar for Des Traynor destraynor
162
27k
Tell your own story through comics
Avatar for letsgokoyo letsgokoyo
1
1k
Lightning Talk: Beautiful Slides for Beginners
Avatar for Ines Montani inesmontani
PRO
2
650
Understanding Cognitive Biases in Performance Measurement
Avatar for Philip Tellis bluesmoon
32
3k
Primal Persuasion: How to Engage the Brain for Learning That Lasts
Avatar for Mike Taylor tmiket
0
430
Navigating the Design Leadership Dip - Product Design Week Design Leaders+ Conference 2024
Avatar for Andy Polaine apolaine
2
410
How To Stay Up To Date on Web Technology
Avatar for Chris Coyier chriscoyier
790
250k
CoffeeScript is Beautiful & I Never Want to Write Plain JavaScript Again
Avatar for Sam Stephenson sstephenson
162
16k

Transcript

  1. (JUͷ಺෦σʔλߏ଄ 4IVIFJ,BHBXB .5FDI5BML

  2. MTHJU '&5$)@)&"% )&"% DPOpH EFTDSJQUJPO IPPLT JOEFY JOGP MPHT PCKFDUT

    QBDLFESFGT SFGT

  3. USFFHJUPCKFDUT HJUPCKFDUT ᵓᴷᴷ ᴹᵋᴷᴷDGBFCCFG⒎DGFCGC ᵓᴷᴷ ᴹᵋᴷᴷCECBFDBFFFD⒎FG ᴹᵋᴷᴷEECCFBFECFDEB ᵓᴷᴷF ᴹᵋᴷᴷFFBFBEGGFCDFGD ᵓᴷᴷFC

    ᴹᵋᴷᴷGGGFGEGECBBCBBGCFBCF ᵓᴷᴷJOGP ᵋᴷᴷQBDL

  4. HJUPCKFDUT w ϑΝΠϧγεςϜΛར༻ͨ͠,FZ7BMVF4UPSFɻ w Ωʔ͸஋ͷ4)"ϋογϡɻ্ܻʢCZUFʣ͕ σΟϨΫτϦ໊ɺ࢒Γ͕ϑΝΠϧ໊ɻ  DGBFCCFG⒎DGFCGC σΟϨΫτϦ໊ CZUF

    ϑΝΠϧ໊ CZUF

  5. PCKFDUͷछྨ CMPC USFF DPNNJU ϑΝΠϧͷத਎ σΟϨΫτϦ ͷΑ͏ͳ΋ͷ ͍ΘΏΔίϛοτ

  6. PCKFDUͷߏ଄ CMPC  a QVUT)FMMP 8PSMEaO PCKFDUͷ छྨ ۭന αΠζ

    ψϧ จࣈ σʔλ 4)"ϋογϡ ϑΝΠϧ໊ ϑΝΠϧͷத਎ [MJCѹॖ ϔομ

  7. HJUDBUpMFQTIBIBTI

  8. CMPC QVUT)FMMP 8PSMEaO w ϑΝΠϧͷத਎ʮ͚ͩʯ͍࣋ͬͯΔɻ w ϑΝΠϧͷ໊લ͸͍࣋ͬͯͳ͍ɻ

  9. USFF IFMMPKTa4)"ϋογϡʢόΠφϦʣ IFMMPSCa4)"ϋογϡʢόΠφϦʣ w USFFͱCMPCͷҰཡɻ w ֤ߦ͸໊લ΍ϞʔυʢύʔϛογϣϯʣΛ͍࣋ͬͯΔɻ w ຊ౰͸վߦͳ͠ɻ

  10. DPNNJU USFFFBGD⒎FBBDFDDGEF BVUIPS4IVIFJ,BHBXBTIVIFJLBHBXB!HNBJMDPN  DPNNJUUFS4IVIFJ,BHBXBTIVIFJLBHBXB!HNBJMDPN  )FMMP 8PSME w USFF΁ͷࢀরΛҰ͍ͭ࣋ͬͯΔɻ

    w ͋ͱ͸ॻ͍ͨਓͱίϛοτͨ͠ਓɺίϛοτϝοηʔδɻ

  11. ֤PCKFDUͷؔ܎ CMPC USFF DPNNJU  CMPC IFMMPSC (FNpMF *OJUJBMDPNNJU

  12. ֤PCKFDUͷؔ܎ CMPC USFF DPNNJU  DPNNJU  USFF CMPC IFMMPSC

    (FNpMF USFF MJC IFMMPSC (FNpMF *OJUJBMDPNNJU IFMMPSCΛMJC ʹೖΕͨ

  13. ֤PCKFDUͷؔ܎ CMPC USFF DPNNJU  DPNNJU  DPNNJU  USFF

    USFF CMPC IFMMPSC (FNpMF USFF CMPC MJC MJC IFMMPSC (FNpMF (FNpMF *OJUJBMDPNNJU IFMMPSCΛMJC ʹೖΕͨ ར༻ϥΠϒϥϦ Λߋ৽

  14. Θ͔Δ͜ͱ w DPNNJU͚ͩͰ͸ͳ͘CMPC USFF΋4)"ϋογϡ Λ͍࣋ͬͯΔɻ w มΘΒͳ͍CMPC USFF͸USFF DPNNJUؒͰڞ༗͞Ε Δɻ

    w ϑΝΠϧɾσΟϨΫτϦ໊͸CMPC USFFࣗ਎Ͱ͸ͳ ͘਌ͷUSFF͕͍࣋ͬͯΔɻ

  15. HJUSFGT w HJUSFGTIFBETNBTUFSͱ͔HJUSFGTUBHTWͱ͔ɻ w DPNNJUͷ4)"ϋογϡ͕ॻ͍ͯ͋Δ͚ͩɻ

  16. HJUJOEFY w ࣍ͷDPNNJUʢͷUSFFʣΛ࡞ΔͨΊͷ৘ใ͕Ωϟογϡ͞Ε͍ͯΔɻ w มߋ͞ΕͨϑΝΠϧ͚ͩͰ͸ͳ͘શϑΝΠϧ͕ೖ͍ͬͯΔɻ w HJUMTpMFTͰ͸ݟ͑ͳ͍͕ɺ࠷ऴߋ৽೔࣌ͳͲ΋ೖ͍ͬͯΔɻ HJUMTpMFTTUBHF DDGEFECGCDBFDBECDCIFMMPKT D⒎BBFGDEEBGCE

    IFMMPSC

  17. ͦ͏͍͑͹ɾɾɾ w େ͖ͳϑΝΠϧʹҰߦ଍ͨ͠ΒɺผͷCMPC͕Ͱ͖ Δɻ w ͋Εɺ(JUͬͯϑΝΠϧΛࠩ෼Ͱ࣋ͬͯͳ͍ͷʁ

  18. HJUHD

  19. CFGPSF HJUPCKFDUT ᵓᴷᴷ ᴹᵋᴷᴷDGBFCCFG⒎DGFCGC ᵓᴷᴷ ᴹᵋᴷᴷDEBGEBFGDE ᵓᴷᴷ ᴹᵋᴷᴷCECBFDBFFFD⒎FG ᵓᴷᴷC ᴹᵋᴷᴷGFGFCECBFFGBFC

    ᵓᴷᴷDD ᴹᵋᴷᴷGEFECGCDBFDBECDC ᵓᴷᴷE ᴹᵋᴷᴷGCDDEDEGDGFG ᵓᴷᴷEC ᴹᵋᴷᴷEECCFBFECFDEB ᵓᴷᴷF ᴹᵋᴷᴷFFBFBEGGFCDFGD ᵓᴷᴷFB ᴹᵋᴷᴷGD⒎FBBDFDDGEF ᵓᴷᴷFC ᴹᵋᴷᴷGGGFGEGECBBCBBGCFBCF ᵓᴷᴷJOGP ᵋᴷᴷQBDL HJUPCKFDUT ᵓᴷᴷJOGP ᴹᵋᴷᴷQBDLT ᵋᴷᴷQBDL ᵓᴷᴷQBDLFDGDGBFBBGBCFECFGGJEY ᵋᴷᴷQBDLFDGDGBFBBGBCFECFGGQBDL BGUFS

  20. 1BDLpMF w JEYͱQBDLͷϖΞɻQBDL͕ຊମͰJEY͕ΠϯσοΫ εɻ w ෳ਺ͷPCKFDU͕٧Ίࠐ·Ε͍ͯΔɻ w ඞཁʹԠͯ͡CMPCΛࠩ෼Ͱอ࣋ɻ w HJUWFSJGZQBDLWHJUPCKFDUTQBDLQBDLYYYJEYͰϦε

    τ͕ݟΕΔɻ

  21. QMVNCJOHDPNNBOET w HJUDBUpMF w HJUMTUSFF HJUNLUSFF HJUDPNNJUUSFF w HJUSFBEJOEFY HJUXSJUFJOEFY

    HJUDPNNJUJOEFY

  22. ࢀߟ w 1SP(JU(JU*OUFSOBMT
 IUUQTHJUTDNDPNCPPLFOW w (JU$PNNVOJUZ#PPL*OUFSOBMTBOE1MVNCJOH
 IUUQTTDIBDPOHJUIVCJPHJUCPPLJOEFYIUNM w HJU%PDVNFOUBUJPOUFDIOJDBM
 IUUQTHJUIVCDPNHJUHJUUSFFNBTUFS%PDVNFOUBUJPOUFDIOJDBM