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Git の内部データ構造
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Shuhei Kagawa
August 20, 2015
Programming
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2k
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。
Shuhei Kagawa
August 20, 2015
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Transcript
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ϑΝΠϧ໊ CZUF
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w ͋ͱॻ͍ͨਓͱίϛοτͨ͠ਓɺίϛοτϝοηʔδɻ
֤PCKFDUͷؔ CMPC USFF DPNNJU CMPC IFMMPSC (FNpMF *OJUJBMDPNNJU
֤PCKFDUͷؔ CMPC USFF DPNNJU DPNNJU USFF CMPC IFMMPSC
(FNpMF USFF MJC IFMMPSC (FNpMF *OJUJBMDPNNJU IFMMPSCΛMJC ʹೖΕͨ
֤PCKFDUͷؔ CMPC USFF DPNNJU DPNNJU DPNNJU USFF
USFF CMPC IFMMPSC (FNpMF USFF CMPC MJC MJC IFMMPSC (FNpMF (FNpMF *OJUJBMDPNNJU IFMMPSCΛMJC ʹೖΕͨ ར༻ϥΠϒϥϦ Λߋ৽
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w ϑΝΠϧɾσΟϨΫτϦ໊CMPC USFFࣗͰͳ ͘ͷUSFF͕͍࣋ͬͯΔɻ
HJUSFGT w HJUSFGTIFBETNBTUFSͱ͔HJUSFGTUBHTWͱ͔ɻ w DPNNJUͷ4)"ϋογϡ͕ॻ͍ͯ͋Δ͚ͩɻ
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IFMMPSC
ͦ͏͍͑ɾɾɾ w େ͖ͳϑΝΠϧʹҰߦͨ͠ΒɺผͷCMPC͕Ͱ͖ Δɻ w ͋Εɺ(JUͬͯϑΝΠϧΛࠩͰ࣋ͬͯͳ͍ͷʁ
HJUHD
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ᵓᴷᴷDD ᴹᵋᴷᴷGEFECGCDBFDBECDC ᵓᴷᴷE ᴹᵋᴷᴷGCDDEDEGDGFG ᵓᴷᴷEC ᴹᵋᴷᴷEECCFBFECFDEB ᵓᴷᴷF ᴹᵋᴷᴷFFBFBEGGFCDFGD ᵓᴷᴷFB ᴹᵋᴷᴷGD⒎FBBDFDDGEF ᵓᴷᴷFC ᴹᵋᴷᴷGGGFGEGECBBCBBGCFBCF ᵓᴷᴷJOGP ᵋᴷᴷQBDL HJUPCKFDUT ᵓᴷᴷJOGP ᴹᵋᴷᴷQBDLT ᵋᴷᴷQBDL ᵓᴷᴷQBDLFDGDGBFBBGBCFECFGGJEY ᵋᴷᴷQBDLFDGDGBFBBGBCFECFGGQBDL BGUFS
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τ͕ݟΕΔɻ
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HJUDPNNJUJOEFY
ࢀߟ w 1SP(JU(JU*OUFSOBMT IUUQTHJUTDNDPNCPPLFOW w (JU$PNNVOJUZ#PPL*OUFSOBMTBOE1MVNCJOH IUUQTTDIBDPOHJUIVCJPHJUCPPLJOEFYIUNM w HJU%PDVNFOUBUJPOUFDIOJDBM IUUQTHJUIVCDPNHJUHJUUSFFNBTUFS%PDVNFOUBUJPOUFDIOJDBM