自作 CLI ツールのワークフローとそれを支える技術 / the workflow of my CLI tool and technologies which supports it

Transcript

1. at u-aizu LT spring
   ࣗ࡞ CLI πʔϧͷϫʔΫϑϩʔͱ
   ͦΕΛࢧ͑Δٕज़
   

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2. !LUS@ LUSɺΩλϩʔ
   
   ձ௡େֶT
   XIPBNJ
   

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3. !LUS@ LUSɺΩλϩʔ
   
   ձ௡େֶT
   ແ৬
   XIPBNJ
   

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7. $-*πʔϧͷ
   ϝϯςφϯεͷ໰୊
   

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8. w ΞοϓσʔτΛ఻͑Δखஈ͕ͳ͍
   w खಈͰ
   ܧଓతʹϦϦʔε͢Δίετ
   ϝϯςφαΠυ
   

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9. w ࠷৽͔Ͳ͏͔෼͔Βͳ͍
   w Ξοϓσʔτ͕खؒ
   ϢʔβαΠυ
   

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10. w (PQIFSɺαʔόΤϯδχΞҎ֎΋

    Ϣʔβͱͯ͠૝ఆ
    w ࠷దͳΠϯετʔϧํ๏Λఏڙ͍ͨ͠
    LUSFWBOT
    

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11. w Ϣʔβ͸Πϯετʔϧํ๏ΛબΜͰΠϯετʔϧ
    w Ϣʔβ͸ΞοϓσʔτΛߦ͏͔ΛબͿ͚ͩ
    w ΞοϓσʔτΛ֬ೝͤ͞ͳ͍
    w Ξοϓσʔτํ๏Λߟ͑ͤ͞ͳ͍
    ΄Μͱ͏ʹඞཁͳ͜ͱ
    

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12. ˞
    Ҏ߱ͷϑϩʔ͸(PϓϩδΣΫτΛ
    લఏͱ͍ͯ͠·͢
    

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13. $*
    SFQPTJUPSZ
    (JU)VC3FMFBTFT
    )PNFCSFXGPSNVMB
    
    commit fire create
    VTFS
    update
    NBJOUBJOFS
    OFXWFSTJPO
    bump
    

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14. w ϓϩδΣΫτͷόʔδϣχϯά
    w $*ͱ࿈ܞͨ͠ϏϧυɺϦϦʔε
    w πʔϧͷࣗಈతͳΞοϓσʔτ
    $*
    SFQPTJUPSZ
    (JU)VC3FMFBTFT
    )PNFCSFXGPSNVMB
    
    commit fire create
    VTFS
    update
    NBJOUBJOFS
    OFXWFSTJPO
    bump
    

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15. $*
    SFQPTJUPSZ
    (JU)VC3FMFBTFT
    )PNFCSFXGPSNVMB
    
    commit fire create
    VTFS
    update
    NBJOUBJOFS
    OFXWFSTJPO
    bump
    LUSHPTFNWFS
    

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16. ηϚϯςΟοΫόʔδϣχϯά
    cmd/bumpʹΑΔߋ৽
    LUSHPTFNWFS
    var v = semver.MustParse("0.3.1")
    $ bump patch main.go
    package main
    ...
    var v = semver.MustParse("0.3.2")
    CLI
    main.go
    

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17. "45΁ม׵͠ɺόʔδϣϯΛ୳͢
    ͜ͱͰɺ҆શʹॻ͖׵͕͑Մೳ
    LUSHPTFNWFS
    *ast.CallExpr {
    . Fun: *ast.SelectorExpr {
    . . X: *ast.Ident {
    . . . NamePos: meta.go:10:12
    . . . Name: "semver"
    . . }
    . . Sel: *ast.Ident {
    . . . NamePos: meta.go:10:19
    . . . Name: "MustParse"
    . . }
    . }
    . Lparen: meta.go:10:28
    . Args: []ast.Expr (len = 1) {
    . . 0: *ast.BasicLit {
    . . . ValuePos: meta.go:10:29
    . . . Kind: STRING
    . . . Value: "\"0.3.1\""
    . . }
    . }
    . Ellipsis: -
    . Rparen: meta.go:10:36
    }
    

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18. NJUDIFMMIHPYUDOLTNHIS
    $*
    SFQPTJUPSZ
    (JU)VC3FMFBTFT
    )PNFCSFXGPSNVMB
    
    commit fire create
    VTFS
    update
    NBJOUBJOFS
    OFXWFSTJPO
    bump
    

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19. ෳ਺ϓϥοτϑΥʔϜ޲͚ʹϏϧυ
    (JU)VC3FMFBTFT΁ͷ഑෍
    NJUDIFMMIHPY

    UDOLTNHIS
    mitchellh/gox
    gox -osarch "$OSARCH" .
    for f in *; do
    mv "$f" evans
    tar cvzf "$f.tar.gz" evans
    rm -f evans
    done
    tcnksm/ghr
    git tag "$VERSION"
    git push origin "$VERSION"
    ghr "$VERSION" pkg
    

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20. LUSHPVQEBUFS
    $*
    SFQPTJUPSZ
    (JU)VC3FMFBTFT
    )PNFCSFXGPSNVMB
    
    commit fire create
    VTFS
    update
    NBJOUBJOFS
    OFXWFSTJPO
    bump
    

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21. w ࣗಈΞοϓσʔτ༻ϥΠϒϥϦ
    w ೚ҙͷखஈ .FBOT
    ͰΞοϓσʔτ͕Մೳ
    LUSHPVQEBUFS
    

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22. var current = semver.MustParse("0.2.0")
    func main() {
    means, _ := updater.NewMeans(
    github.GitHubReleaseMeans("ktr0731", "evans", nil),
    )
    u := updater.New(current, means)
    updatable, new, _ := u.Updatable(context.Background())
    if updatable {
    _ = u.Update(context.Background())
    fmt.Printf("updated: %s ! %s\n", current, new)
    }
    }
    

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23. var current = semver.MustParse("0.2.0")
    func main() {
    means, _ := updater.SelectAvailableMeansFrom(
    context.Background(),
    brew.HomebrewMeans("ktr0731/evans", "evans"),
    github.GitHubReleaseMeans("ktr0731", "evans", nil),
    )
    u := updater.New(current, means)
    updatable, new, _ := u.Updatable(context.Background())
    if updatable {
    _ = u.Update(context.Background())
    fmt.Printf("updated: %s ! %s\n", current, new)
    }
    }
    

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24. $-*Ϟʔυ 3&1-Ϟʔυ
    autoUpdate

    USVF
    ΞοϓσʔτΛ

    ߦΘͳ͍
    ϓϩϯϓτඇදࣔ
    ඇಉظΞοϓσʔτ
    autoUpdate
    GBMTF
    ΞοϓσʔτΛ

    ߦΘͳ͍
    ϓϩϯϓτදࣔ
    ಉظΞοϓσʔτ
    

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26. w HPTFNWFSʹΑΔόʔδϣχϯά
    w HPYHISʹΑΔϏϧυɺϦϦʔε
    w HPVQEBUFSʹΑΓɺΞοϓσʔτखॱʹ

    ؔ͢Δ஌ࣝΛϢʔβ͔Β׬શʹ෼཭
    ·ͱΊ
    

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27. w IUUQTNPUFNFOIBUFOBCMPHDPNFOUSZ
    HPHPCVNQWFSTJPOJOH
    w IUUQTEFFFFUDPNXSJUJOHHIS
    w IUUQTTZGNIBUFOBCMPHDPNFOUSZ
    
    ࢀߟ
    

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28. w (P-PHPJT$PQZSJHIU5IF(P"VUIPST
    "MMSJHIUTSFTFSWFE
    $PQZSJHIU
    

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