go-selfupdate-github で ツールを自己アップデートする

GoCon 2018 Spring LT

Transcript

1. go-selfupdate-github Ͱ
   πʔϧΛࣗݾΞοϓσʔτ͢Δ
   Go Con 2018 Spring LT
   @Linda_pp
   @rhysd
   

   View Slide

2. GoͷCLIπʔϧͷΞοϓσʔτͲ
   ͏ͯ͠·͔͢ʁ
   • go get -u
   • γεςϜͷύοέʔδϚωʔδϟʢbrew ͳ
   ͲʣΛ࢖͏
   • GitHub ͷϦϦʔεϖʔδ͔Β࠷৽൛Λμ΢ϯ
   ϩʔυ͢Δ
   
   

   View Slide

3. go get -u
   •
   ϦϦʔε͢Δඞཁͳָͯ͘ʢϝϯςφʣ
   • ৗʹϦϙδτϦͷ HEAD ΛϏϧυ͢ΔͷͰ
   unstableʢϢʔβʣ
   • Go ͷ։ൃ؀ڥͷΠϯετʔϧ͕ඞཁʢϢʔ
   βʣ
   
   

   View Slide

4. γεςϜͷύοέʔδϚωʔδϟ
   ʢbrewͳͲʣΛ࢖͏
   •
   ࠷৽ͷ stable ൛ΛָʹೖΕΒΕΔʢϢʔβʣ
   • OSʹΑͬͯ΍Γํ͕ҧ͏ʢϢʔβ&ϝϯς
   φʣ
   • ύοέʔδొ࿥͕େมʢϝϯςφʣ
   
   

   View Slide

5. GitHub ͷϦϦʔεϖʔδ͔Β࠷
   ৽൛Λμ΢ϯϩʔυ͢Δ
   •
   ࠷৽ͷ stable ൛ΛೖΕΒΕΔʢϢʔβʣ
   • gox ΍ ghr ͳͲͰ؆୯ϦϦʔεʢϝϯςφʣ
   • खͰμ΢ϯϩʔυͯ͘͠Δͷ͕໘౗ʢϢʔβʣ
   
   

   View Slide

6. ͲΕ΋Ұ௕Ұ୹
   
   

   View Slide

7. GitHub ͷϦϦʔεϖʔδ͔Β࠷
   ৽൛Λμ΢ϯϩʔυ͢Δ
   •
   ࠷৽ͷ stable ൛ΛೖΕΒΕΔʢϢʔβʣ
   • gox ΍ ghr ͳͲͰ؆୯ϦϦʔεʢϝϯςφʣ
   • खͰμ΢ϯϩʔυͯ͘͠Δͷ͕໘౗ʢϢʔβʣ
   
   •
   खͰμ΢ϯϩʔυͯ͘͠Δͷ͕໘౗ʢϢʔβʣ
   ࣗಈԽͰ͖ΔͷͰ͸ʁ
   

   View Slide

8. go-github-selfupdate
   όΠφϦΛࣗݾΞοϓσʔτ͢Δ࢓૊ΈΛఏڙ
   ͢ΔϥΠϒϥϦ
   https://github.com/rhysd/go-github-selfupdate
   
   

   View Slide

9. go-github-selfupdate
   • GitHub ͷϦϦʔεϖʔδ͔Β࠷৽൛ͷόΠφ
   ϦΛࣗಈݕग़ʢsemver Λ૝ఆʣ
   • ϦϦʔεϖʔδ͔ΒόΠφϦΛࣗಈμ΢ϯϩʔ
   υʢ+ղౚʣ
   • ࣮ߦϑΝΠϧΛࣗಈஔ͖׵͑
   
   

   View Slide

10. import (
    "log"
    "github.com/blang/semver"
    "github.com/rhysd/go-github-selfupdate/selfupdate"
    )
    const current = "1.2.3"
    func doSelfUpdate() {
    v := semver.MustParse(current)
    latest, err := selfupdate.UpdateSelf(v, "myname/myrepo")
    if err != nil {
    log.Panicln("Binary update failed:", err)
    }
    if latest.Version.Equals(v) {
    log.Println("Current binary is the latest", current)
    } else {
    log.Println(
    "Updated to", latest.Version,
    "Release note:\n", latest.ReleaseNotes,
    )
    }
    }
    

    View Slide

11. GitHub ͷϦϦʔεϖʔδ +
    go-github-selfupdate
    •
    ࠷৽ͷ stable ൛ΛೖΕΒΕΔʢϢʔβʣ
    • gox ΍ ghr ͳͲͰ؆୯ϦϦʔεʢϝϯςφʣ
    • खͰμ΢ϯϩʔυͯ͘͠Δͷ͕໘౗ʢϢʔβʣ
    •
    ίϚϯυҰൃͰࣗಈΞοϓσʔτʢϢʔβʣ
    
    

    View Slide

12. go-github-selfupdate ৄࡉ
    • ✔ Linux, Windows, macOS Ͱ CI
    • ✔ ϓϥΠϕʔτϦϙδτϦରԠ
    • ✔ GitHub Enterprise ରԠ
    • ✔ ࣮ߦϑΝΠϧஔ͖׵ࣦ͑ഊ࣌ͷϩʔϧόοΫ
    • ✔ ѹॖܗࣜɿzip, tar, gzip, xzip
    
    

    View Slide

13. ࢀߟϦϯΫ
    • ϦϙδτϦ:
    • https://github.com/rhysd/go-github-selfupdate
    • υΩϡϝϯτ:
    • https://godoc.org/github.com/rhysd/go-github-selfupdate/
    selfupdate
    • ϥούʔϥΠϒϥϦ:
    • https://github.com/Songmu/ghselfupdate
    • ϒϩάهࣄ:
    • https://rhysd.hatenablog.com/entry/2017/12/30/220214
    
    @Linda_pp
    @rhysd
    CZ
    

    View Slide