cobra は便利になっている

TIBLF43&5FDI5BML!OXJJ[P DPCSB͸ศརʹͳ͍ͬͯΔ TQGDPCSB࠷৽ػೳٴͼӡ༻࣌ʹޮ͘ػೳ

ૣ଎Ͱ͕͢ օ͞ΜɺࣗಈԽ   ͯ͠·͔͢ʁ ୀ۶ͳ͜ͱ͸1ZUIPOʹ΍ΒͤΑ͏ୈ൛ʕϊϯϓϩάϥϚʔʹ΋Ͱ͖ΔࣗಈԽॲཧϓϩάϥϛϯά

๻΋ࣗಈԽ͕޷͖Ͱ͢

͔͠͠ɺෳࡶʹൃୡͨ͠   ࣗಈԽ͸ࣗવͷౖΓͱ   ۠ผ͕͔ͭͳ͍

ࣗಈԽʹඞཁͳͷ͸டং

ίϚϯυϥΠϯπʔϧʹ͍ͭͯޠΔͱ͖ʹ๻ͷޠΔ͜ͱ #yapcasia  https://speakerdeck.com/tcnksm/komandorainturunituiteyu-rutokinipu-falseyu-rukoto-number-yapcasia $-*5PPMΛॻ͘ͱ͖ϨϏϡʔͰ໎ͬͨ࣌ʹ͸   ΄΅ɺඞͣͪ͜ΒͷυΩϡϝϯτΛݟ͍ͯ·͢ɻ   πʔϧͷػೳΑΓͪ͜ΒʹཔΕʂʂʂ

ίϚϯυϥΠϯπʔϧʹ͍ͭͯޠΔͱ͖ʹ๻ͷޠΔ͜ͱΑΓҾ༻ w ίϚϯυϥΠϯπʔϧʹ͓͍ͯॏཁͳϙΠϯτ   ͭͷ͜ͱʹूத͍ͯ͠   ௚ײతʹ࢖͑Δ   ଞͷπʔϧͱ࿈ܞͰ͖Δ  
ར༻Λॿ͚ͯ͘ΕΔ   ద੾ͳσϑΥϧτ஋Λ࣋ͪઃఆ΋Ͱ͖Δ   ۤ௧ͳ͘ΠϯετʔϧͰ͖Δ   ͙͢ʹվमͰ͖Δ ίϚϯυϥΠϯπʔϧʹ͍ͭͯޠΔͱ͖ʹ๻ͷޠΔ͜ͱ #yapcasia  https://speakerdeck.com/tcnksm/komandorainturunituiteyu-rutokinipu-falseyu-rukoto-number-yapcasia w ͍͔ʹzྑ͍z$-*πʔϧΛ࡞Γ࢝ΊΔ͔ʁʹ͍ͭͯͷͭͷखॱ   ͲΜͳπʔϧΛ࡞Δ͔ߟ͑Δ   ݴޠΛબͿ   3&"%/&NEΛॻ͘   ߴ଎ʹϓϩτλΠϓΛ࡞Δ

ࢲͷࠢͷ੤໿📄 w 4IFMM4DSJQU͸ߦ͙Β͍·Ͱ w ͦΕҎ֎͸(PMBOHͰ։ൃ   🔔ϥΠϒϥϦ΍πʔϧ͕ͳ͍ͳͲͰͦͷબ୒ࢶҎ֎ͩͱ   ɹࣗಈԽʹͱͯ΋޻਺͕͔͔Δ৔߹ʹ͸ଞͷݴޠΛ࢖͏  
🔔(PݴޠͰͷϝϦοτ͸͍͔ͭ͋͘Γ·͕͢zۤ௧ͳ͘ΠϯετʔϧͰ͖ͯར༻͠ଓ͚қ͍z   ɹίϚϯυϥΠϯπʔϧΛॻ͘͜ͱʹ޲͍͍ͯΔͱࢥ͍·͕͢ຊൃදͰ͸औΓѻΘͳ͍   🔔Α͍(PͷίʔυΛॻ͘ʹ͸ʮ(Pʹೖͬͯ͸(Pʹै͑ʯͳͲͷΑ͍ࢿྉ͕͋ΔͷͰ   ɹຊൃදͰ͸औΓѻΘͳ͍ͷͰͥͻɺಡΜͰΈͯ΄͍͠Ͱ͢ɻ   ɹ

ͷ ࿩ʹ΍ͬͱಥೖ͢Δ -5ͳͷʹ લஔ͖Ͱ͋Δ

TQGDPCSBͱ͸ʁ w (PʹΑΔ੩తαΠτδΣωϨʔλʔͰ͋ΔIVHPͷ ։ൃऀͱͯ͠஌ΒΕΔɻTQGࢯʹΑΔ$-*Λ࡞੒ ͢ΔҝͷπʔϧͰ͢ɻ IUUQTHJUIVCDPNTQGDPCSB $ go mod
init SRETT04 $ cobra-cli init ਽ܗͷ࡞੒ . ᵓ── LICENSE ᵓ── README.md ᵓ── cmd │ └── root.go ᵓ── go.mod ᵓ── go.sum └── main.go 1 directory, 6 fi les IUUQTTZVNIBUFOBCMPHDPNFOUSZ (PMBOHͰ$-*5PPMΛ࡞Δ࣌ʹ͸$PCSBΛ࢖͍͕ͪ DPCSB͔ΒDPCSBDMJʹมߋ͠·ͨ͠ IUUQTHJUIVCDPNTQGDPCSBSFMFBTFTUBHW

TQGDPCSBͱ͸ʁ w ༷ʑͳػೳ͕͋Γ$PCSBΛར༻͢Δͱ   αϒίϚϯυͷݟ௨͠ͳͲ΋ྑ͘ͳΓ   ·ͨɺIFMQ΁ͷ௥Ճ΋ࣗಈͰߦͬͯ͘ΕΔ IUUQTHJUIVCDPNTQGDPCSB $
cobra-cli add get $ cobra-cli add create αϒίϚϯυͷ௥Ճ . ᵓ── LICENSE ᵓ── README.md ᵓ── cmd │ ᵓ── create.go │ ᵓ── get.go │ └── root.go ᵓ── go.mod ᵓ── go.sum └── main.go ϑϥάͷ௥ՃͳͲ͸ࣗલͰ࣮૷͕ඞཁ   JOJU ಺ͰϑϥάΛఆٛ ࣮ࡍͷॲཧͰϑϥάΛࢀর HFUHP΍DSFBUFHPʹ   ֤ػೳΛ࣮૷Λ͢Ε͹ྑ͍ 🔔-POH)FMQʹ   ɹ(JUIVC3FQPTJUPSZ͸   ɹॻ͍͓͍ͯͯ΄͍͠   ɹະདྷͷӡ༻Λ͢Δ୭͔ͷͨΊʹ IUUQTHJUIVCDPNTQGDPCSBCMPCNBJOVTFS@HVJEFNE

ͷศརػೳͷ ࿩ʹ΍ͬͱಥೖ͢Δ -5ͳͷʹ ຊ୊Ͱ͋Δ

ᶃࣗಈิ׬ IUUQTTZVNIBUFOBCMPHDPNFOUSZ (Pݴޠͷ$-*࡞੒πʔϧͰ͋ΔDPCSBͷγΣϧิ׬ͷੜ੒͕͋·Γʹ΋؆୯ $ [command] completion fi sh fi
TIิ׬ϑΝΠϧ $ [command] completion [bash|zsh| fi sh|powershell] CBTIc[TIc fi TIc QPXFSTIFMM   ิ׬ϑΝΠϧ ࣗಈิ׬ϑΝΠϧ͕؆୯ʹੜ੒Ͱ͖ΔΑ͏ʹͳΓ·ͨ͠   ରԠ͍ͯ͠Δͷ͸CBTIc[TIcGJTIcQPXFSTIFMMʹରԠ͍ͯ͠Δ

ᶄ(SPVQGMBHTػೳʹ͍ͭͯ w 'MBHΛ૬ޓʹඞཁͳΦϓγϣϯΛද͢৔߹ rootCmd.Flags().StringVarP(&u, "username", "u", "", "Username (required
if password is set)") rootCmd.Flags().StringVarP(&pw, "password", "p", "", "Password (required if username is set)") rootCmd.MarkFlagsRequiredTogether("username", "password") IUUQTHJUIVCDPNTQGDPCSBCMPCNBJOVTFS@HVJEFNE fl BHHSPVQT Flag Groups rootCmd.Flags().BoolVar(&u, "json", false, "Output in JSON") rootCmd.Flags().BoolVar(&pw, "yaml", false, "Output in YAML") rootCmd.MarkFlagsMutuallyExclusive("json", "yaml") w 'MBHΛ૬ޓʹഉଞతͳΦϓγϣϯΛද͢৔߹ 'MBHʹάϧʔϓػೳ௥Ճ͢Δͷ΋؆୯ʹ࣮ݱͰ͖Δ ⭐ӡ༻࣌ʹґཔ͢Δ࣌ʹָ   ɹԿ͕଍Γͳ͍͔ࣔ͢ͷେมʜ

ᶅΞΫςΟϒϔϧϓ w #BTIͱ[TIͷΈʹରԠ͍ͯ͠ΔɻUBCΛԡ͍ͯ͠ΔλΠϛϯάͰ   ର࿩తʹϔϧϓΛग़͢ػೳ IUUQTHJUIVCDPNTQGDPCSBCMPCNBJOBDUJWF@IFMQNE ValidArgsFunction: func(cmd *cobra.Command,
args []string, toComplete string) ([]string, cobra.ShellCompDirective) { var comps []string if len(args) == 0 { comps = cobra.AppendActiveHelp(comps, "You must choose a name for the repo you are adding") } else if len(args) == 1 { comps = cobra.AppendActiveHelp(comps, "You must specify the URL for the repo you are adding") } else { comps = cobra.AppendActiveHelp(comps, "This command does not take any more arguments") } return comps, cobra.ShellCompDirectiveNoFileComp }, bash-5.1$ helm repo add [tab] You must choose a name for the repo you are adding bash-5.1$ helm repo add grafana [tab] You must specify the URL for the repo you are adding bash-5.1$ helm repo add grafana https://grafana.github.io/helm-charts [tab] This command does not take any more arguments ⭐ର࿩࣌ʹָʹͳΔͷͰخ͍͠ɹ fi TIར༻ऀ͸Ըܙʹ༬͔Εࢮ

cobra は便利になっている

cobra は便利になっている

nwiizo

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TIBLF43&5FDI5BML!OXJJ[P DPCSB͸ศརʹͳ͍ͬͯΔ TQGDPCSB࠷৽ػೳٴͼӡ༻࣌ʹޮ͘ػೳ

ૣ଎Ͱ͕͢ օ͞ΜɺࣗಈԽ   ͯ͠·͔͢ʁ ୀ۶ͳ͜ͱ͸1ZUIPOʹ΍ΒͤΑ͏ୈ൛ʕϊϯϓϩάϥϚʔʹ΋Ͱ͖ΔࣗಈԽॲཧϓϩάϥϛϯά

๻΋ࣗಈԽ͕޷͖Ͱ͢

͔͠͠ɺෳࡶʹൃୡͨ͠   ࣗಈԽ͸ࣗવͷౖΓͱ   ۠ผ͕͔ͭͳ͍

ࣗಈԽʹඞཁͳͷ͸டং

ίϚϯυϥΠϯπʔϧʹ͍ͭͯޠΔͱ͖ʹ๻ͷޠΔ͜ͱ #yapcasia  https://speakerdeck.com/tcnksm/komandorainturunituiteyu-rutokinipu-falseyu-rukoto-number-yapcasia $-*5PPMΛॻ͘ͱ͖ϨϏϡʔͰ໎ͬͨ࣌ʹ͸   ΄΅ɺඞͣͪ͜ΒͷυΩϡϝϯτΛݟ͍ͯ·͢ɻ   πʔϧͷػೳΑΓͪ͜ΒʹཔΕʂʂʂ

ίϚϯυϥΠϯπʔϧʹ͍ͭͯޠΔͱ͖ʹ๻ͷޠΔ͜ͱΑΓҾ༻ w ίϚϯυϥΠϯπʔϧʹ͓͍ͯॏཁͳϙΠϯτ   ͭͷ͜ͱʹूத͍ͯ͠   ௚ײతʹ࢖͑Δ   ଞͷπʔϧͱ࿈ܞͰ͖Δ

ࢲͷࠢͷ੤໿📄 w 4IFMM4DSJQU͸ߦ͙Β͍·Ͱ w ͦΕҎ֎͸(PMBOHͰ։ൃ   🔔ϥΠϒϥϦ΍πʔϧ͕ͳ͍ͳͲͰͦͷબ୒ࢶҎ֎ͩͱ   ɹࣗಈԽʹͱͯ΋޻਺͕͔͔Δ৔߹ʹ͸ଞͷݴޠΛ࢖͏

ͷ ࿩ʹ΍ͬͱಥೖ͢Δ -5ͳͷʹ લஔ͖Ͱ͋Δ

TQGDPCSBͱ͸ʁ w (PʹΑΔ੩తαΠτδΣωϨʔλʔͰ͋ΔIVHPͷ ։ൃऀͱͯ͠஌ΒΕΔɻTQGࢯʹΑΔ$-*Λ࡞੒ ͢ΔҝͷπʔϧͰ͢ɻ IUUQTHJUIVCDPNTQGDPCSB $ go mod

TQGDPCSBͱ͸ʁ w ༷ʑͳػೳ͕͋Γ$PCSBΛར༻͢Δͱ   αϒίϚϯυͷݟ௨͠ͳͲ΋ྑ͘ͳΓ   ·ͨɺIFMQ΁ͷ௥Ճ΋ࣗಈͰߦͬͯ͘ΕΔ IUUQTHJUIVCDPNTQGDPCSB $

ͷศརػೳͷ ࿩ʹ΍ͬͱಥೖ͢Δ -5ͳͷʹ ຊ୊Ͱ͋Δ

ᶃࣗಈิ׬ IUUQTTZVNIBUFOBCMPHDPNFOUSZ (Pݴޠͷ$-*࡞੒πʔϧͰ͋ΔDPCSBͷγΣϧิ׬ͷੜ੒͕͋·Γʹ΋؆୯ $ [command] completion fi sh fi

ᶄ(SPVQGMBHTػೳʹ͍ͭͯ w 'MBHΛ૬ޓʹඞཁͳΦϓγϣϯΛද͢৔߹ rootCmd.Flags().StringVarP(&u, "username", "u", "", "Username (required

ᶅΞΫςΟϒϔϧϓ w #BTIͱ[TIͷΈʹରԠ͍ͯ͠ΔɻUBCΛԡ͍ͯ͠ΔλΠϛϯάͰ   ର࿩తʹϔϧϓΛग़͢ػೳ IUUQTHJUIVCDPNTQGDPCSBCMPCNBJOBDUJWF@IFMQNE ValidArgsFunction: func(cmd *cobra.Command,

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