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ϑΝΠϧΛ࡞Βͣ(JU ʹ$PNNJU 5BLFSV)BZBTBLB !UBLFNJP*0 ʢλΨϠεͦͷ̓ʣ 1

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ࣄલௐࠪ

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(JU࢖ͬͨ͜ͱ͋Δਓ ڍखʂ

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(JUͷϓϩڍखʂ

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ϓϩͷํ͸෼ͪΐͬͱͷ ٳܜʹͳΓ·͢ɾɾɾ

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๻͸ϓϩ͡Όͳ͍ͷͰؒҧ ͑ͨΒ͝ΊΜͳ͍͞ʼʻ

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XIPBNJ w ͸΍͔͚ͨ͞Δ !UBLFNJP*0 w ౦๺ֶӃେֶ޻ֶ෦೥ w ΠϯϑΟχοτϧʔϓͰΞϧόΠτΛͯ͠Δ w TFNBOUJDTJOGPTFDOFUXPSLʹڵຯ͕͋Γ·͢ w དྷ݄஀ੜ೔ ͰͳͷͰਓੜͷઌഐํ֤Ґʹ͓͖·͠ ͯ͸ඒຯ͍͓͠ञͷҿΈ͔ͨΛืूͯ͠·͢

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ΠϯϑΟχοτϧʔϓઋ୆Ͱ͸(JU͕ ࢖͑ΔֶੜΞϧόΠτΛืूͯ͠·͢ $.

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ۙگ

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(JU$IBMMFOHF ͰҐʹͳͬͨ

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(JU$IBMMFOHFͱ͸ʁ w NJYJ͕ओ࠵ͯ͠Δ(JUʹؔ͢ΔίϯςετɽֶੜΦϯϦʔ w HJUϦϙδτϦʹઃ͚ͨ೉୊ΛνʔϜϫʔΫͰղܾ͍ͯ͠ ͘ڝٕܕͷٕज़Πϕϯτ w ҰԠશࠃ͔ΒॻྨநબͰબ͹ΕͨਓͷΈ͕ࢀՃͰ͖ΔΠ ϕϯτɽ

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ڝٕ؀ڥ w ೉қ౓͕̍d·Ͱ͋ΓɼϖΞͰߦ͏νʔϜઓͩͬͨ w νʔϜ͸ͦͷ৔Ͱ૊·͞Εͨॳର໘ͷਓ w ͱΓ͋͑ͣ΢ΥʔϜΞοϓ͕ͯΒ೉қ౓ͷ໰୊͔Β ղ͍͍ͯͬͨɽ w ղ͍ͨΒHJUIVCʹQVTI w $*ϕʔεͰ໰୊ΛΦʔτδϟονͯ͠Δ

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໰୊ྫʢงғؾʣ w ίϯϑϦΫτΛ௚ͨ͠Γ w ഁଛͨ͠ϑΝΠϧΛम෮ͨ͠ΓɾɾɾͳͲ w ৄ͘͠͸ެ։৘ใͰ͸ͳ͍ͷͰݴ͑ͳ͍ͷͰ͝ΊΜͳ ͍͞ʼʻ

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େձͷงғؾ w ϖΞͰղ͍ͯΔͷͰNBTUFSʹQVTIGΛ͕ͪ͠

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େձͷงғؾ w ͓ޓ͍໰୊ղ͖ऴΘͬͨͱࢥͬͯΔ

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݁Ռ

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ޙ೔ஊ wޙ೔͋ΔϦϙδτϦͰʮ13ͷαΠζσΧΠʯͱ ΩϨΒΕͨ wීஈ࢖Θͳ͍೴Έͦ࢖ͬͨͷͰઋ୆Ӻ৐Γա͝͠ ͯ੝ԬͰҰധͯ࢝͠ൃͰେֶʹΤΫετϦʔϜొ ߍΛ͢Δ͜ͱʹͳͬͨ

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ຊ୊

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ϑΝΠϧΛ࡞Βͣ(JUʹ $PNNJU

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Ͱ͖ΔΜͰ͢✊

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(JU0CKFDU w HJUJOJUΛͯ͠IPHF͢Δͱੜ·ΕΔHJUPCKFDUTͷதͷ࿩ w CMPC w ϑΝΠϧσʔλΛදݱͯ͠Δ w 5SFF w ϑΥϧμߏ଄Λදݱͯ͠Δ w $PNNJU w USFF΁ͷࢀরͱίϛοτϢʔβʔͱλΠϜελοϓͷදݱ

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$PNNJUͷ࡞ΒΕํ wίϛοτͱ͍͏ͷ͸zCMPCzͱ͍͏σʔλ͕zUSFFz ʹඥ͍ͮͯΔ w$PNNJUPCKFDU͕USFFಉ࢜ͷίωΫγϣϯΛҙຯ ͯ͠Δ

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No content

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CMPCͱUSFFͷؔ܎ਤ

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$PNNJUͱUSFFͷؔ܎ਤ

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࣮ࡍʹ΍ͬͯݟͨ

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w ϑΝΠϧΛ࡞Δ w HJUJOJU͢Δ w 0CKFDUͷத͸QBDL JOGPͷΈ͕ݱஈ֊ʹ͸ଘࡏͯ͠Δ $mkdir fugafuga $cd fugafuga/ $git init > Initialized empty Git repository in fugafuga/.git/ find .git/objects/ > .git/objects/ > .git/objects//pack > .git/objects//info

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w HJUIBTIPCKFDUʹύΠϓͯ͠DSFBUFEBUB w PCKFDU*%Λܭࢉͯ͠ϑΝΠϧ͔ΒCMPCΛ࡞੒͢ΔίϚϯυ w HJUDBUpMFͰνΣοΫɽ͔֬ʹग़དྷͯΔ $ echo 'create data' | git hash-object -w --stdin > 070f3bd01632c945394b3aac7187a9d91ca4816a $ ls $ git cat-file -p 070f > create data

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w HJUVQEBUFJOEFY w XPSLJOHUSFFͷϑΝΠϧΛJOEFYʹొ࿥͢Δ w ͸DINPEͱಉ͡ײ͡ w UFTUUYUͱ͍͏ՍۭͷσʔλΛೖΕͯΔʢଘࡏͯ͠ͳ͍ʣ git update-index --add --cacheinfo 100644 070f3bd01632c945394b3aac7187a9d91ca4816a test.txt

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w HJUXSJUFUSFFΛ࢖͏ w 4UBHFJOHΤϦΞΛUSFFPCKFDUʹॻ͖ग़͢͜ͱ͕Ͱ͖Δ w ·ͩUSFF͕ͳ͍ͱ͖ʹࣗಈͰJOEFY͔ΒUSFFPCKFDUΛ࡞Δ w HJUDBUpMFͰνΣοΫɽ͔֬ʹग़དྷͯΔ $ git write-tree > c47b19c8b7a3b7724138f73e4cd53efa0f1e9595 $ git cat-file -p c47b > 100644 blob 070f3bd01632c945394b3aac7187a9d91ca4816a test.txt

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w DPNNJUUSFFʹύΠϓͯ͠pSTUDPNNJU w $PNNJUΛ࡞ΔίϚϯυ w HJUDBUpMFͰνΣοΫɽ͔֬ʹग़དྷͯΔ $ echo 'first commit' | git commit-tree c47b > 9ee76e488f2882f12e5fb15d8016e80946ff48dd $ git cat-file -p 9ee76e488f2882f12e5fb15d8016e80946ff48dd > tree c47b19c8b7a3b7724138f73e4cd53efa0f1e9595 > author TakeruHayasaka 1538081510 +0900 > committer TakeruHayasaka 1538081510 +0900 > first commit

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·ͱΊ w ίϛοτͱ͍͏ͷ͸zCMPCzͱ͍͏σʔλ͕zUSFFzʹඥ͍ͮͯΔ w $PNNJUPCKFDU͕USFFಉ࢜ͷίωΫγϣϯΛҙຯͯ͠Δ w (JUͱ͍͏ͷ͸࣮͸௿ϨΠϠʔͳදݱΛந৅Խͯͯ͠ීஈ๻Β ͸࢖͍ͬͯΔɽ

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w IUUQTHJUTDNDPNCPPLKBW (JU&"&&&# (JU&""&&#&" &"'& w IUUQUBLFJPIBUFOBCMPHDPNFOUSZ ϦϑΝϨϯε