Understand Go Modules / Go Modulesを理解する

Fukuoka.go#13 + Okayama.go で話した資料です。Feb 12, 2019

Transcript

1. 'VLVPLBHP 5PNPIJTB
   0EB
   (.0
   1FQBCP
   *OD
   
   'FCSVBSZ
   
    (P
   .PEVMFTΛཧղ͢Δ
2. 'VLVPLBHP (.0
   ϖύϘ
   ϓϦϯγύϧ
   ΤϯδχΞ !MJOZPXT CMPH
   UPNPIJTBPEBDPN
3. 'VLVPLBHP 8&# %#
   13&44
   WPM
   )BTIJ$PSQ
   7BVMUͷهࣄدߘ ϦϙδτϦͷϦιʔεมߋΛݕ ஌ͯ͠ΞϓϦ͕ೳಈతʹσϓϩ ΠΛߦ͏ιϑτ΢ΣΞ MJOVYϢʔβͷ໊લղܾΛ
   (JU)VC͔ΒϚοϐϯά͢Δ
   ιϑτ΢ΣΞͷ։ൃ
4. 'VLVPLBHP (P
   .PEVMFT࢖͍ͬͯ·͔͢
   
5. 'VLVPLBHP ๏ ॳظɿ.BLFpMFͰґଘؔ܎Λղܾ͍ͯͯ͠Կ΋ͳ͍ࠒ
   ๏ HP
   HFUɿϦϙδτϦ͔Β௚઀औಘ໊͠લ໰୊΋ͳ͘γϯϓϧͰ࠷ߴͩͬͨ
   ๏ HP
   EFQɿόʔδϣϯࢦఆʹΑΓϏϧυ࠶ݱੑ໰୊Λղܾͯ͘͠Εͨ
   ๏ HP
   NPEVMFTɿόʔδϣχϯά͕ಁաతͰ(PΒ͠͞ΛऔΓ໭ͨ͠ (PύοέʔδػߏͷભҠ
6. 'VLVPLBHP (P
   .PEVMFTͷجຊ
7. 'VLVPLBHP ๏ ޙํޓ׵ੑΛڧ͘ҙࣝʢࢦఆʣͨ͠όʔδϣχϯά
   ๏ .BKPS.JOPS1BUDI
   ͜ͷϑΥʔϚοτ͸େମ޿·͍ͬͯΔ͸ͣ
   ๏ όʔδϣχϯάʹϧʔϧ͕͋Ε͹ར༻ଆ͸Θ͔Γ΍͍͢ʢύοέʔδϚωʔ δϟͷ࣮૷͕γϯϓϧʹͳΔʣ
   ๏ ݴޠϨϕϧͰͷޙํޓ׵ͷடং͸Ϗϧυͷ࠶ݱՄೳੑ޲্ʹͳΔ େࣄͳϧʔϧɿ4FNBOUJD
   7FSTJPOJOH
8. 'VLVPLBHP ๏ ࠷৽ͷόʔδϣϯ͸ৗʹߋ৽͞ΕΔ͕࠷ݹͷόʔδϣϯ͸ϢχʔΫͰ͋Δ
   ๏ ଞऀͱϏϧυͨ͠όΠφϦ͕ಉ͡Ͱ͋Δ͜ͱΛอূ͢Δ࢓૊Έ
   ๏ ύοέʔδϚωʔδϟʹͱͬͯ͸࠷৽͕࠷ߴͰ͸ͳ͍
   ๏ ࠶ݱՄೳੑΛ௥ٻͨ݁͠Ռ ͓΋͠Ζґଘੑղܾɿ.JOJNBM
   7FSTJPO
   4FMFDUJPO
9. 'VLVPLBHP ๏ ϕϯμϦϯά͸΋͏͠ͳ͍ͷͰϧʔτσΟϨΫτϦʹϑΝΠϧ͸࡞Βͳ͍
   ʢϕϯμϦϯά͸͕࢖͑ͳ͍ͷͰ.BLFpMFͰؤுͬͯͯඍົͩͬͨʣ
   ๏ (01"5)TSD
   ͔Β
   (01"5)QLHNPE
   ഑Լ΁
   ๏ ΩϟογϡͳͷͰؾܰʹHP
   DMFBO
   NPEDBDIF͢Δ
   ๏ ա౉ظͰTSD഑ԼͱQLH഑Լͷ྆ํʹࢿ࢈͕͋Γόʔδϣχϯά͕͓͔͘͠ͳΔ ͕࣌͋Δʢ☝ͷΩϟογϡ࡟আͰ௚ͬͨΓ͢Δʣ ͞ΑͳΒϕϯμϦϯάʢόʔδϣχϯάΩϟογϡ΁ʣ
10. 'VLVPLBHP ๏ ݴޠϨϕϧͰͷύοέʔδϚωʔδϟ࣮૷ʹΑΓ(P
    ίϚϯυͷ࣮ߦ͸ґ ଘղܾͱϦϞʔτ͔Βμ΢ϯϩʔυΛࣗಈతʹߦͬͯ͘ΕΔ
    ๏ ΋ͪΖΜHPNPEʹόʔδϣϯࢦఆ΍ېࢭόʔδϣϯࢦఆ͕Ͱ͖Δ͠ɺ SFQMBDFͰҰ෦ϩʔΧϧύοέʔδΛࢦఆ͢Δ͜ͱ΋Ͱ͖Δ
    ๏ ͭ·ΓɺԿ΋͠ͳ͍Ͱ͍͍͠ม͚͑ͨΕ͹৭ʑͰ͖Δ
    ࠷ߴ Ϣʔβ͕ҙࣝ͠ͳ͍όʔδϣχϯά
11. 'VLVPLBHP (P
    .PEVMFTͷ࢖༻ྫ
12. 'VLVPLBHP FYQPSU
    (0.0%6-&4PO
    ͔Β࢝ΊΑ͏
13. 'VLVPLBHP $ go test -v ./… -timeout 30s -parallel 8 $ go build . $ go run main.go go: finding github.com/pierrec/lz4 v2.0.2+incompatible go: finding github.com/lestrrat-go/pdebug v0.0.0-20180220043849-39f9a71bcabe go: finding github.com/jessevdk/go-flags v1.4.0 go: finding github.com/dsnet/compress v0.0.0-20171208185109-cc9eb1d7ad76 go: finding github.com/mholt/archiver v0.0.0-20180417220235-e4ef56d48eb0 go: finding github.com/lestrrat-go/server-starter v0.0.0-20150105222616-88699d57aeee go: finding github.com/google/go-github v17.0.0+incompatible go: finding github.com/hashicorp/logutils v0.0.0-20150609070431-0dc08b1671f3 go: finding github.com/nwaples/rardecode v0.0.0-20171029023500-e06696f847ae go: finding github.com/carlescere/scheduler v0.0.0-20170109141437-ee74d2f83d82 go: finding github.com/pierrec/xxHash v0.1.1 … RUN ී௨ʹ࢖͏͚ͩͰཪͰ͍͍ײ͡ʹ΍ͬͯ͘ΕΔʢऴྃʣ
14. 'VLVPLBHP Α͋͘Δґଘύοέʔδͷϝϯςφϯε
15. 'VLVPLBHP # ґଘύοέʔδͷҰཡ $ go mod graph //or $ go list -m -f '{{.Version}}' all github.com/linyows/dewy github.com/pkg/errors@v0.8.0 github.com/linyows/dewy github.com/pmezard/go-difflib@v1.0.0 github.com/linyows/dewy github.com/stretchr/testify@v1.2.2 # ߋ৽͕Մೳͳύοέʔδόʔδϣϯͷදࣔ $ go list -u -m all | grep '\[.*\]' github.com/pkg/errors v0.8.0 [v0.8.1] github.com/pmezard/go-difflib v1.0.0 github.com/stretchr/testify v1.2.2 [v1.3.0] # Ұׅߋ৽ $ go get -u ґଘύοέʔδͷόʔδϣϯΛ্͛Δ
16. 'VLVPLBHP # ґଘύοέʔδͷόʔδϣϯͷҰཡ $ go list -versions -m all github.com/pkg/errors v0.1.0 v0.2.0 v0.3.0 v0.4.0 v0.5.0 v0.5.1 v0.6.0 v0.7.0 v0.7.1 v0.8.0 v0.8.1 github.com/pmezard/go-difflib v1.0.0 github.com/dummy/log v1.1.1 v1.1.2 v1.1.3 v1.1.4 v1.2.0 v1.2.1 v1.2.2 v1.3.0 # ύοέʔδͷμ΢ϯάϨʔυ $ go get github.com/dummy/log@v1.2.2 # editίϚϯυ͔Β௥Ճ΍আ֎͕Ͱ͖Δʢgo.modͷߋ৽ʣ $ go mod edit -exclude github.com/dummy/log@v1.3.0 ໰୊ͷ͋ΔύοέʔδͷόʔδϣϯΛԼ͛Δ
17. 'VLVPLBHP (P
    .PEVMFTͰࠔͬͨ͜ͱ
18. 'VLVPLBHP w (Pͷ$-*πʔϧ͕HP
    NPEVMFTରԠͯ͠ͳ͍
    
    (0.0%6-&4PGG
    ʹ͢Δ͔
    13Λ ૹΓ·͠ΐ͏ʢେࣄͳ׆ಈͰ͢ʣ
    w 1SPKFDUͰ௚઀࢖Θͳ͍ύοέʔδΛHP
    HFU͢ΔͱHPNPE͕ߋ৽͞ΕΔ
    
    ͚͍ܽͯΔ ύοέʔδͷ௥Ճ΍ඇґଘύοέʔδΛഉআΛߦ͏HP
    NPE
    UJEZΛ࢖͍·͠ΐ͏ʢ࣮ ͸(PͰղܾ͍ͯ͠·͢ʣ
    w 1SPKFDUͰ௚઀࢖ͬͯͳ͍͚Ͳ$-*πʔϧΛνʔϜͰόʔδϣϯݻఆ͢ΔͨΊʹHPNPE ʹఆ͍ٛͨ͠
    
    EVNNZͷύοέʔδΛ࡞ͬͯ1"5)ࢦఆͯ͠HP
    JOTUBMM͢Δ
    w ґଘύοέʔδͷҰ෦ΛϩʔΧϧͷ΋ͷΛ࢖͍͍ͨ
    
    SFQMBDFͰϩʔΧϧͯ͢͠Ε͹ ͍͚·͢ʢW͡Όͳ͍ͱμ ϝ͔΋ʣ
19. 'VLVPLBHP IUUQTHJUIVCDPNHPMBOHHPJTTVFTJTTVFDPNNFOU $ export GOBIN=$PWD/bin $ export PATH=$GOBIN:$PATH $ cat tools.go 1 // +build tools 2 package tools 3 4 import ( 5 _ "github.com/linyows/git-semv/cmd/git-semv" 6 ) $ go install github.com/linyows/git-semv/cmd/git-semv $ type git-semv /Users/linyows/projectx/bin/git-semv
20. 'VLVPLBHP .PEVMFT
    PG
    (P
21. 'VLVPLBHP ๏ NPEVMF֎ͰNPEVMFૢ࡞͕Ͱ͖ΔΑ͏ʹͳͬͨʢHP
    HFU
    HP
    MJTU
    HP
    NPE
    EPXOMPBE͠ ͯ΋ॳظঢ়ଶΛҡ࣋͢Δʣ
    ๏ HPίϚϯυΛฒߦ࣮ߦ͕҆શʹͳͬͨʢpMFTZTUFN͕pMF
    MPDLJOHΛαϙʔτ͍ͯ͠Δ ඞཁ͕͋Δʣ
    ๏ HPNPEʹHPόʔδϣϯσ ΟϨΫςΟϒͷαϙʔτʢͳ͚Ε͹DVSSFOU
    SFMFBTFΛ௥Ճ͢ Δ
    ๏ NPEVMFΛJNQPSUͰ͖ͳ͍৔߹ʹΩϟογϡ΍ωοτϫʔΫιʔεΑΓઌʹSFQMBDFͰ ࢦఆͨ͠ϩʔΧϧΛݟΔΑ͏ʹͳͬͨ .PEVMFT
    PG
    (P
22. 'VLVPLBHP $PODMVTJPO
23. 'VLVPLBHP ๏ (P
    .PEVMFT͸(Pͷγϯϓϧ͞Λҡ࣋ͭͭ͠Ϗϧυ࠶ݱੑΛॏࢹͨ͠ઃܭ ʹͳ͍ͬͯͯɺࢲͨͪ͸ޙํޓ׵ੑΛڧ͘ҙࣝ͠ͳ͚Ε͹ͳΒͳ͍
    ๏ (P
    .PEVMFTͷઃܭࢥ૝Λ஌Δ͜ͱͰ໰୊͕ى͖ͯ΋ରॲ͢Δ͜ͱ͕Ͱ͖ Δ͠ɺ໰୊Λཧղ͢Δ͜ͱ͕Ͱ͖Δ
    ๏ (P
    .PEVMFT͸όϯόϯ࢖͍͖ͬͯ·͠ΐ͏ $PODMVTJPO
24. 'VLVPLBHP 5IBOL
    ZPV
    8FSF
    IJSJOH