私が取り組んだレガシーコード（公開版）

Legacy Code Meetup 2019 の講演資料です。

Transcript

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   ςετۦಈ։ൃ
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   ͋Δ΂͖࢟ ιϑτ΢ΣΞ։ൃͰ͸ɺ1990೥୅·Ͱͷख࡞ۀʹΑΔςετ͔Βɺ2000೥Ҏ߱͸ςετۦಈ։ ൃʹΑΔςετͷࣗಈԽ͕ߦΘΕɺϏϧυͷࣗಈԽ͸1990೥୅͔ΒߦΘΕ͍ͯΔ ίϯϐϡʔλʹΑΔࣗಈ࣮ߦՄೳͳςετίʔυΛࢿ࢈ͱͯ͠࢒͢͜ͱʹΑΓɺख࡞ۀʹΑΔς ετ͔ΒίϯϐϡʔλʹΑΔࣗಈςετ΁ͷҠߦ ➢ιϑτ΢ΣΞमਖ਼ʹ൐͏σάϨʔυͷૣظݕग़ ➢ෛՙςετʹΑΔෆ۩߹ͷൃݟʢಛʹϚϧνεϨουϓϩάϥϛϯάʣ ➢ίʔυͷ඼࣭Λྑ͘͢ΔͨΊͷϦϑΝΫλϦϯά ςετͷࣗಈԽ ◆ 1990೥୅·Ͱͷ໷ؒϏϧυ※ʢNightly Buildʣ͔Βɺ2000೥Ҏ߱͸ܧଓతΠϯςάϨʔγϣ ϯʢContinuous Integrationʣͷ࣌୅ ➢ ιʔείʔυͷमਖ਼͕ίϛοτ͞ΕΔͱɺίϯύΠϧ͔Β୯ମςετͷࣗಈ࣮ߦ·Ͱɺ ଈ࣌ʹαʔόͰ࣮ࢪ͠ɺͦͷ݁ՌΛϑΟʔυόοΫ ➢ ૣظʹ໰୊Λൃݟ͢Δ ➢ ϏοάόϯɾΠϯςάϨʔγϣϯΛආ͚ͯɺৗʹಈ࡞͢Διϑτ΢ΣΞΛอͭ ◆ 2010೥Ҏ߱͸ɺܧଓతΠϯςάϨʔγϣϯ͔ΒܧଓతσϦόϦʔʢContinuous Deliveryʣͷ ࣌୅ ➢ ιʔείʔυͷमਖ਼Λίϛοτ͢Δ͜ͱͰɺίϯύΠϧ͔Β࢝·ͬͯɺςετͷࣗಈ࣮ ߦʢ࠷ऴ੒Ռ෺ͷςετ΋ؚΉʣɺϦϦʔειϑτ΢ΣΞͷ࡞੒·ͰΛαʔόͰࣗಈͰ ࣮ࢪ ※ ༗໊ͳྫ͸ɺWindows NT։ൃͰߦΘΕͨ໷ؒϏϧυɻͦͷ಺༰͸ɺॻ੶ʰಆ͏ϓϩάϥϚʔʱʹॻ͔Ε͍ͯΔ ϏϧυͷࣗಈԽ
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 ɾখ͞ͳมߋΛසൟʹϝΠϯϥΠϯ΁νΣοΫΠϯ
 ɾΞϓϦέʔγϣϯΛಈ࡞ͤ͞ͳ͘ͳͬͨͲͷΑ͏ͳมߋ΋ɺͦΕΛ࠷༏ઌʹमਖ਼͢Δ
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14. $PQZSJHIU
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    ϓϩάϥϚϒϧɾσόΠεɾΤϛϡϨʔλ
    ϐʔΫ࣌ʹ໿໊ͷ։ൃऀ
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    ໷ؒɺि຤͸ࣗಈςετΛ։ൃऀͷ1$Ͱ࿈ଓ࣮ߦ͍ͯͨ͠
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