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Swift Package Mangerのバグを直した話
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k-kohey
September 26, 2023
Technology
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Swift Package Mangerのバグを直した話
k-kohey
September 26, 2023
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Transcript
4XJGU1BDLBHF.BOHFS ͷόάΛͨ͠ ू·Ε4XJGU͖ʂ4XJGUѪձWPM!%F/" גࣜձࣾϦΫϧʔτ LLPIFZ
ಥવͰ͕͢ 4XJGU1BDLBHF.BOBHFSͬͯ·͔͢ʁ🙋🙋
͜ͷ-5Ͱ͢ࣄʛഎܠ • 4XJGU1BDLBHF.BOBHFSΛͬͯ$ݴޠͷ5BSHFUΛ࡞Δ͜ͱ͕Ͱ͖Δ • 5BSHFUʹιʔεϑΝΠϧ͚ͩͰͳ͘ϔομʔϑΝΠϧؚΉ͜ͱ͕Ͱ͖Δ • $ݴޠͷ5BSHFUιʔεϑΝΠϧ͕̍ͭҎ্ؚ·Εͳ͍ͱ࡞Εͳ͍ όά͕͋ͬͨʢ˞ʣ • ιʔεϑΝΠϧؚ͕·Εͳ͍ͱΤϥʔΛग़ྗ͢Δ
• ݪཧతʹϔομʔϑΝΠϧͷΈͰΑ͍ͣ ʢ˞ʣhttps://github.com/apple/swift-package-manager/issues/4806
͜ͷ-5Ͱ͢ࣄʛഎܠ ͦͷͨΊϔομʔϑΝΠϧ͔͠ඞཁͳ͍5BSHFUͰۭͷ࣮Λ ιʔεϑΝΠϧͱͯ͠Ճ͢ΔϫʔΫΞϥϯυ͕ੜ https://github.com/apple/swift-numerics/blob/main/Sources/_NumericsShims/_NumericsShims.c (意訳) - このファイルは NumericShims モジュールを ビルドするためだけに存在する
- このファイルがないと swiftpm は何もビルド しない
͜ͷ-5Ͱ͢ࣄʛഎܠ ͨ͠🎉
4XJGU1BDLBHF.BOBHFSίϯτϦϏϡʔτॳ৺ऀ ͕ίϯτϦϏϡʔτͨ͠ମݧΛجʹ ಉ͘͡ॳ৺ऀ͕ίϯτϦϏϡʔτ͢Δࡍͷॿ͚ʹͳΔΑ͏ʹ ݟΛڞ༗ɾൃද͍ͨ͠ͱࢥ͍·͢ʂ
͜ͷ-5Ͱ͢ࣄʛΞδΣϯμ ҎԼͷ߲ʹԊͬͯ͠·͢ • ։ൃ͢Δલ४උ • मਖ਼͢Δ • 13Λ࡞Δ • ײ
։ൃ͢Δલ४උʛJTTVFΛݟ͚ͭΔ • JTTVFͨ͘͞Μ͋Δ • ݅ͷJTTVF͕PQFO͞Ε͍ͯΔʢ࣌ʣ • HPPEpSTUJTTVFϥϕϧͰϑΟϧλ͢ΔͱͷJTTVFΛݟ͚͍ͭ͢ https://github.com/apple/swift-package- manager/issues?q=is%3Aopen+is%3Aissue+label%3A%22good+first+issue%22
։ൃ͢Δલ४උʛJTTVFΛબ͢Δ JTTVFΛબ͢Δ্ͰҎԼͷ֬ೝΛ͢Δͱྑͦ͞͏ͩͬͨ • طʹ'JYࡁΈͷJTTVFͰͳ͍͔ • JTTVF͕PQFOͰɺ࣮ॏෳ͢Δ༰ͷJTTVF͕ଘࡏ͠ɺͦͷJTTVF͕طʹमਖ਼͞Ε͍ͯΔͱ͍͏ έʔε͕͋Δ • Ί΅͍͠ΩʔϫʔυͰݕࡧ͠ɺࣅͨΑ͏ͳJTTVF͕ͳ͍͔֬ೝ͢Δͱྑ͍ •
طʹJTTVFʹணख͍ͯ͠Δਓ͕͍ͳ͍͔ • ΞαΠϯ͕ܾ·ͬͯΔΑ͏ʹݟ͑ͯɺ͍ؒQFOEJOHʹͳ͍ͬͯΔͷ͋Δʹҙ • मਖ਼ํʹؔͯ͠ • ϝϯςφʔͷํ͕Օॴमਖ਼ํʹؔͯ͠ΞυόΠε͍ͯ͠ΔJTTVFΛࢄݟͨͨ͠Ίɺฉ͍ͨΒ ڭ͑ͯ͘Εͦ͏ͳงғؾ͕͋ͬͨ
։ൃ͢Δલ४උ ʛڥߏங ڥߏங9DPEF͕͑Δڥͩͱ؆୯ʹߦ͑Δʢ˞ʣ 9DPEFΛΠϯετʔϧ IUUQTHJUIVCDPNBQQMFTXJGUQBDLBHFNBOBHFSΛ DMPOF͢Δ ϧʔτσΟϨΫτϦʹଘࡏ͢Δ1BDLBHFTXJGUΛ։͘
ҙͷ4DIFNFΛબ͠Ϗϧυ͢Δ ςετΛ࣮ߦ͢Δ߹4XJGU1.1BDLBHFΛબ ʢ˞ʣhttps://github.com/apple/swift-package-manager/blob/main/CONTRIBUTING.md#using-xcode-easiest
मਖ਼͢ΔʛΞτϥΠϯ ࣗͷमਖ਼ΛྫʹͱΔͱҎԼͷΑ͏ͳաఔͰमਖ਼Λߦͬͨ ग़ྗ͔ΒՕॴΛಛఆ ՕॴʹςετίʔυΛՃ ςετ͕௨ΔΑ͏ʹίʔυΛमਖ਼
मਖ਼͢Δʛग़ྗ͔ΒՕॴΛಛఆ मਖ਼ͷରͱͳΔ)FBEFSϑΝΠϧͷΈΛؚΜͩ5BSHFUΛ࡞Ζ͏ ͱ͢ΔͱɺҎԼͷΑ͏ͳग़ྗ͕ಘΒΕΔࣄ͕Θ͔͍ͬͯͨ • [warning]: Source files for target Bar
should be located under 'Sources/Bar', or a custom sources path can be set with the 'path' property in Package.swift • [error]: target 'Bar' referenced in product 'Bar' is empty
मਖ਼͢Δʛग़ྗ͔ΒՕॴΛಛఆ ग़ྗΛجʹϓϩδΣΫτͰݕࡧΛ͔͚ΔͱɺΤϥʔΛग़ྗ͍ͯ͠ΔՕॴɺ ͭ·ΓՕॴΛѲ͢Δ͜ͱ͕Ͱ͖ͨ
ᶃΤϥʔ࣌ͷग़ྗΛߦ͏ ͕ؔ໌ ᶄ্هͷؔUBSHFU͕OJMͷͱ͖ʹ ݺΕΔ͜ͱ͕໌ ᶅUBSHFUΛ࡞ΔࡍʹOJMΛฦ͍ͯ͠Δ Օॴ͕໌
मਖ਼͢ΔʛՕॴʹςετίʔυΛՃ • Օॴ͕໌ͨ͠ͷͰɺςετίʔυΛՃͯ͠σόοά͢Δ४උΛߦ ͳͬͨ • 4XJGU1BDLBHF.BOBHFSΛϏϧυͯ͠ɺੜ͞Εͨ$-*πʔϧΛͬͯσ όοά͢Δํ๏͋Δ͕໘ͳͷͰۃྗආ͚ͨ • 13࡞Δલʹ࠷ऴ֬ೝͱͯ͜͠ͷํ๏Λͬͯσόοάͨ͠ •
4XJGU1BDLBHF.BOBHFSΛTXJGUCVJME͢ΔͱCVJMEʹTXJGUQBDLBHFTXJGUCVJMEίϚϯυ͕ੜ͞ΕΔ(※) (※)https://github.com/apple/swift-package-manager/blob/main/CONTRIBUTING.md#local-development
मਖ਼͢ΔʛՕॴʹςετίʔυΛՃ • ଞͷςετέʔεΛਅࣅͯ͠ όά͕ൃੜ͢Δঢ়گΛ࠶ݱͨ͠ ςετέʔεΛՃ • ͪΖΜςετέʔεࣦഊ͢ Δ͕ɺҙਤ͍ͯͨ͠Τϥʔग़ྗ ΛಘΒΕͯ҆৺ͨ͠ •
͋ͱɺ͜ͷςετέʔε͕ޭ ͢ΔΑ͏ʹमਖ਼͢Ε͍͍
मਖ਼͢Δʛςετ͕௨ΔΑ͏ʹίʔυΛमਖ਼ • 5BSHFUΛ࡞͢Δࡍʹ5BSHFUΛOJMʹ͢Δ͔அ͍ͯ͠Δ͕ɺ ͦͷஅʹϔομʔͷ༗ແ͕ߟྀ͞Εͯͳ͔ͬͨ • TPVSDFTSFTPVDFT͕ۭͰϔομʔ͕͋ΕUBSHFU͕OJMʹͳΒͳ͍Α ͏ʹͨ͠
मਖ਼͢Δʛςετ͕௨ΔΑ͏ʹίʔυΛमਖ਼ • 5BSHFUΛ࡞͢Δࡍʹ5BSHFUΛOJMʹ͢Δ͔அ͍ͯ͠Δ͕ɺ ͦͷஅʹϔομʔͷ༗ແ͕ߟྀ͞Εͯͳ͔ͬͨ • TPVSDFTSFTPVDFT͕ۭͰϔομʔ͕͋ΕUBSHFU͕OJMʹͳΒͳ͍Α ͏ʹͨ͠ ςετޭ🎉
͋ͱ13Λ࡞Δ͚ͩʂ
13Λ࡞ΔʛίϯτϦϏϡʔτΨΠυʹै͏ https://github.com/apple/swift-package-manager/blob/main/CONTRIBUTING.md#creating-pull- requests
13Λ࡞ΔʛίϯτϦϏϡʔτΨΠυʹै͏ https://github.com/apple/swift-package-manager/blob/main/CONTRIBUTING.md#creating-pull- requests apple/swift-format じゃないんだ😯
13Λ࡞ΔʛϨϏϡʔΛड͚Δ すんなりマージしてくれた
ײ • ීஈར༻͍ͯ͠ΔπʔϧʹίϯτϦϏϡʔτ͢Δ͜ͱͰɺ ΤϯδχΞϞνϕ্͕͕ͬͨ • ࠓճͷमਖ਼؆୯ͳϑϥά੍ޚͷϛεΛਖ਼͢ͷ͕ͩͬͨɺͦͷΑ͏ͳ όά͕4XJGU1BDLBHF.BOBHFSʹ͋Δͷ͕ڻ͍ͨ • ௐࢠʹͷͬͯଞͷJTTVF͕ͨ͠ɺ13Λग़ͨ͋͠ͱʹطʹमਖ਼ࡁΈͷ JTTVFͩͬͨࣄ͕໌͠൵͘͠ͳͬͨ
• ઌड़ͨ͠JTTVFͷ୳͠ํʹؔ͢Δࣗͷࣦഊஊ͔ΒͰ͢😅
͝ਗ਼ௌ͋Γ͕ͱ͏͍͟͝·ͨ͠