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
2. GoͷCLIπʔϧͷΞοϓσʔτͲ ͏ͯ͠·͔͢ʁ • go get -u • γεςϜͷύοέʔδϚωʔδϟʢbrew ͳ ͲʣΛ࢖͏ • GitHub ͷϦϦʔεϖʔδ͔Β࠷৽൛Λμ΢ϯ ϩʔυ͢Δ 
3. go get -u • ϦϦʔε͢Δඞཁͳָͯ͘ʢϝϯςφʣ • ৗʹϦϙδτϦͷ HEAD ΛϏϧυ͢ΔͷͰ unstableʢϢʔβʣ • Go ͷ։ൃ؀ڥͷΠϯετʔϧ͕ඞཁʢϢʔ βʣ 
4. γεςϜͷύοέʔδϚωʔδϟ ʢbrewͳͲʣΛ࢖͏ • ࠷৽ͷ stable ൛ΛָʹೖΕΒΕΔʢϢʔβʣ • OSʹΑͬͯ΍Γํ͕ҧ͏ʢϢʔβ&ϝϯς φʣ • ύοέʔδొ࿥͕େมʢϝϯςφʣ 
5. GitHub ͷϦϦʔεϖʔδ͔Β࠷ ৽൛Λμ΢ϯϩʔυ͢Δ • ࠷৽ͷ stable ൛ΛೖΕΒΕΔʢϢʔβʣ • gox ΍ ghr ͳͲͰ؆୯ϦϦʔεʢϝϯςφʣ • खͰμ΢ϯϩʔυͯ͘͠Δͷ͕໘౗ʢϢʔβʣ 
6. ͲΕ΋Ұ௕Ұ୹ 
7. GitHub ͷϦϦʔεϖʔδ͔Β࠷ ৽൛Λμ΢ϯϩʔυ͢Δ • ࠷৽ͷ stable ൛ΛೖΕΒΕΔʢϢʔβʣ • gox ΍ ghr ͳͲͰ؆୯ϦϦʔεʢϝϯςφʣ • खͰμ΢ϯϩʔυͯ͘͠Δͷ͕໘౗ʢϢʔβʣ  • खͰμ΢ϯϩʔυͯ͘͠Δͷ͕໘౗ʢϢʔβʣ ࣗಈԽͰ͖ΔͷͰ͸ʁ
8. go-github-selfupdate όΠφϦΛࣗݾΞοϓσʔτ͢Δ࢓૊ΈΛఏڙ ͢ΔϥΠϒϥϦ https://github.com/rhysd/go-github-selfupdate 
9. go-github-selfupdate • GitHub ͷϦϦʔεϖʔδ͔Β࠷৽൛ͷόΠφ ϦΛࣗಈݕग़ʢsemver Λ૝ఆʣ • ϦϦʔεϖʔδ͔ΒόΠφϦΛࣗಈμ΢ϯϩʔ υʢ+ղౚʣ • ࣮ߦϑΝΠϧΛࣗಈஔ͖׵͑ 
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, ) } }
11. GitHub ͷϦϦʔεϖʔδ + go-github-selfupdate • ࠷৽ͷ stable ൛ΛೖΕΒΕΔʢϢʔβʣ • gox ΍ ghr ͳͲͰ؆୯ϦϦʔεʢϝϯςφʣ • खͰμ΢ϯϩʔυͯ͘͠Δͷ͕໘౗ʢϢʔβʣ • ίϚϯυҰൃͰࣗಈΞοϓσʔτʢϢʔβʣ 
12. go-github-selfupdate ৄࡉ • ✔ Linux, Windows, macOS Ͱ CI • ✔ ϓϥΠϕʔτϦϙδτϦରԠ • ✔ GitHub Enterprise ରԠ • ✔ ࣮ߦϑΝΠϧஔ͖׵ࣦ͑ഊ࣌ͷϩʔϧόοΫ • ✔ ѹॖܗࣜɿzip, tar, gzip, xzip 
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