[{"data":1,"prerenderedAt":-1},["ShallowReactive",2],{"news:sw-go-toolchain-rebuild-report-2026-06-07":3},{"meta":4,"markdown":60},{"type":5,"articleId":6,"slug":7,"title":8,"titleEn":9,"category":10,"summary":11,"publishedAt":12,"image":13,"vocabulary":14,"source":58},"news","news-sw-go-toolchain-rebuild-report-2026-06-07","sw-go-toolchain-rebuild-report-2026-06-07","Go、日次の再現ビルド報告で1.26.4の検証結果を公開","Go Publishes a Daily Verification Report for Go 1.26.4 Toolchains","tech-software","Go's official reproducible-build report updated on June 7, 2026 and showed a full PASS for Go 1.26.4 across the published toolchain archives. The page documents how the Go team reruns `gorebuild` daily in an Ubuntu VM, including a retry path when direct archive download hits rate limits. The report matters because it turns supply-chain trust into something outside developers can verify instead of merely assume.\n","2026-06-07T00:00:00Z","https:\u002F\u002Fimages.yamiyomi.com\u002Fnews\u002Fsw-go-toolchain-rebuild-report-2026-06-07.png",[15,20,25,29,33,37,41,46,50,54],{"word":16,"reading":17,"meaning":18,"level":19},"再現性","さいげんせい","reproducibility","N1",{"word":21,"reading":22,"meaning":23,"level":24},"検証","けんしょう","verification","N2",{"word":26,"reading":27,"meaning":28,"level":24},"構築","こうちく","build",{"word":30,"reading":31,"meaning":32,"level":19},"配布物","はいふぶつ","distributed artifact",{"word":34,"reading":35,"meaning":36,"level":19},"並列","へいれつ","parallel",{"word":38,"reading":39,"meaning":40,"level":19},"供給網","きょうきゅうもう","supply chain",{"word":42,"reading":43,"meaning":44,"level":45},"攻撃","こうげき","attack","N3",{"word":47,"reading":48,"meaning":49,"level":19},"依存関係","いぞんかんけい","dependency relationship",{"word":51,"reading":52,"meaning":53,"level":19},"実行環境","じっこうかんきょう","runtime environment",{"word":55,"reading":56,"meaning":57,"level":24},"一致","いっち","match",{"url":59},"https:\u002F\u002Fgo.dev\u002Frebuild","\n::heading\nGo、[日次]{にちじ:daily:N3}の[再現]{さいげん:reproducible:N2}ビルド[報告]{ほうこく:report:N3}で1.26.4の[検証結果]{けんしょうけっか:verification results:N1}を[公開]{こうかい:publish:N4}\n\n#en\nGo Publishes a Daily Verification Report for Go 1.26.4 Toolchains\n::\n\n::para\nGoの[公式]{こうしき:official:N3}ページ「Go Reproducible Build Report」は[6月7日]{ろくがつなのか:June 7:N5}に[更新]{こうしん:update:N3}され、go1.26.4の[配布物]{はいふぶつ:distributed artifacts:N2}が[検証]{けんしょう:verified:N1}できたと[示した]{しめした:showed:N3}。[公開]{こうかい:public:N4}ダウンロードと[再構築]{さいこうちく:rebuild:N2}の[結果]{けっか:results:N1}が[並ぶ]{ならぶ:are listed:N2} [形]{かたち:format:N3}になっている。\n\n#en\nGo's official \"Go Reproducible Build Report\" page was updated on June 7 and showed that the distributed Go 1.26.4 artifacts were verified. The page lists public downloads side by side with rebuild results.\n::\n\n::para\n[説明]{せつめい:explanation:N3}によると、このページはUbuntu VMで`gorebuild`を[毎日]{まいにち:daily:N5} [実行]{じっこう:run:N3}した[記録]{きろく:record:N2}を[反映する]{はんえいする:reflect:N3}。`git`、`msitools`、`go run golang.org\u002Fx\u002Fbuild\u002Fcmd\u002Fgorebuild@latest -p=4`という[手順]{てじゅん:procedure:N2}も[公開]{こうかい:disclosed:N4}され、4[並列]{へいれつ:parallel:N2}で[構築]{こうちく:build:N2}する[設定]{せってい:setup:N2}が[見える]{みえる:is visible:N5}。\n\n#en\nAccording to the page, the report reflects a daily `gorebuild` run inside an Ubuntu VM. It also publishes the procedure, including `git`, `msitools`, and `go run golang.org\u002Fx\u002Fbuild\u002Fcmd\u002Fgorebuild@latest -p=4`, showing a four-way parallel build setup.\n::\n\n::heading\n[何]{なに:what:N5}が[確認]{かくにん:confirmed:N3}されたのか\n\n#en\nWhat the Report Confirmed\n::\n\n::para\n[6月7日]{ろくがつなのか:June 7:N5}の[更新]{こうしん:update:N3}では、go1.26.4のログが[開始]{かいし:start:N4}から[終了]{しゅうりょう:finish:N2}まで[掲載]{けいさい:posted:N1}され、[最終的]{さいしゅうてき:final:N3}にPASSとなった。[全体]{ぜんたい:overall:N3}の[処理時間]{しょりじかん:processing time:N3}は[2時間26分]{にじかんにじゅうろっぷん:2 hours 26 minutes:N5}で、[各種]{かくしゅ:various:N2}アーカイブも[順番]{じゅんばん:sequence:N2}に[検証]{けんしょう:verify:N1}された。\n\n#en\nIn the June 7 update, the go1.26.4 log is shown from start to finish and ends with a PASS. The overall run took 2 hours and 26 minutes, and the various archives were verified in sequence.\n::\n\n::para\n[途中]{とちゅう:midway:N3}では、Goの[正規]{せいき:canonical:N3}ソース[取得]{しゅとく:fetch:N3}が429[応答]{おうとう:response:N1}にぶつかり、5[分]{ふん:minutes:N5} [待機]{たいき:wait:N3}したあと`git clone`へ[切り替える]{きりかえる:switch:N2} [流れ]{ながれ:flow:N3}も[残された]{のこされた:was recorded:N3}。[失敗時]{しっぱいじ:when a direct fetch fails:N3}の[回復手順]{かいふくてじゅん:recovery procedure:N2}まで[見える]{みえる:is visible:N5}ため、[単なる]{たんなる:mere:N3} [成功報告]{せいこうほうこく:success report:N1}より[実務的]{じつむてき:practical:N3}だ。\n\n#en\nThe log also records a practical failure path: fetching the canonical Go source hit an HTTP 429, waited five minutes, and then switched to `git clone`. That makes the page more operationally useful than a simple success announcement.\n::\n\n::heading\n[供給網]{きょうきゅうもう:supply chain:N1}セキュリティとの[関係]{かんけい:relationship:N3}\n\n#en\nWhy This Matters for Supply-Chain Security\n::\n\n::para\nGoブログの[解説]{かいせつ:explanation:N3}では、[供給網]{きょうきゅうもう:supply chain:N1} [攻撃]{こうげき:attack:N1}への[対策]{たいさく:countermeasure:N1}として、[同じ]{おなじ:same:N4}ソースから[同じ]{おなじ:same:N4}バイナリを[得る]{える:obtain:N3} [再現性]{さいげんせい:reproducibility:N2}が[重要]{じゅうよう:important:N3}だと[述べられている]{のべられている:is described:N2}。Go 1.21からは、[公開]{こうかい:public:N4}されたツールチェーンを[誰でも]{だれでも:anyone:N3} [検証]{けんしょう:verify:N1}できる[設計]{せっけい:design:N2}になったとされる。\n\n#en\nThe Go blog explains that reproducibility is important because supply-chain attacks are harder to hide when anyone can rebuild the same source and compare binaries. Since Go 1.21, the project says its published toolchains are designed so anyone can verify them.\n::\n\n::para\n[同じ]{おなじ:same:N4}ブログは、[信頼用]{しんらいよう:for trust checking:N3}のLinux\u002Fx86-64とWindows\u002Fx86-64で[別々]{べつべつ:separately:N4}に[構築]{こうちく:build:N2}し、その[配布物]{はいふぶつ:artifacts:N2}がbit[単位]{たんい:unit:N3}で[一致]{いっち:match:N1}しなければ[公開]{こうかい:release:N4}しないと[説明]{せつめい:explain:N3}する。[日次]{にちじ:daily:N3}レポートは、その[考え方]{かんがえかた:approach:N4}を[外部]{がいぶ:outside parties:N3}にも[追える]{おえる:can trace:N3} [形]{かたち:form:N3}にしたものと[読める]{よめる:can be read:N5}。\n\n#en\nThe same blog says Go distributions are built separately on trusted Linux\u002Fx86-64 and Windows\u002Fx86-64 systems, and a release does not proceed unless the artifacts match bit for bit. The daily report can be read as a way to make that philosophy externally traceable.\n::\n\n::heading\n[開発者]{かいはつしゃ:developers:N4}にとっての[意味]{いみ:meaning:N4}\n\n#en\nWhat It Means for Developers\n::\n\n::para\nGoを[使う]{つかう:use:N4} [開発者]{かいはつしゃ:developers:N4}にとって、この[報告]{ほうこく:report:N3}は[言語本体]{げんごほんたい:language distribution:N4}への[信頼]{しんらい:trust:N3}を[感覚]{かんかく:gut feeling:N3}ではなく[検証可能]{けんしょうかのう:verifiable:N1}な[状態]{じょうたい:state:N1}に[近づける]{ちかづける:move closer:N4}。[依存関係]{いぞんかんけい:dependencies:N2}や[実行環境]{じっこうかんきょう:runtime environment:N1}の[監査]{かんさ:audit:N1}を[重く]{おもく:seriously:N4}みる[組織]{そしき:organizations:N1}ほど、こうした[公開記録]{こうかいきろく:public record:N2}の[価値]{かち:value:N1}は[大きい]{おおきい:large:N5}。\n\n#en\nFor developers, the report shifts trust in the language distribution away from gut feeling and toward something verifiable. Its value is especially high for organizations that treat dependency and runtime audits seriously.\n::\n\n::callout\n[再現]{さいげん:reproducible:N2}ビルドの[話]{はなし:story:N5}は[地味]{じみ:plain:N4}に[見える]{みえる:look:N5}が、[配布物]{はいふぶつ:distributed artifacts:N2}を[受け取る]{うけとる:receive:N3} [側]{がわ:side:N3}が[自分]{じぶん:self:N4}で[確かめられる]{たしかめられる:can verify:N3} [仕組み]{しくみ:mechanism:N3}を[持つ]{もつ:have:N4}ことは、OSSの[運用]{うんよう:operation:N4}ではかなり[実践的]{じっせんてき:practical:N1}だ。\n\n#en\nReproducible-build work can look plain, but giving downstream users a mechanism to verify artifacts themselves is highly practical for real open-source operations.\n::\n\n::para\n[今回]{こんかい:this time:N3}の[更新]{こうしん:update:N3}は、Goチームが[再現性]{さいげんせい:reproducibility:N2}を[宣言]{せんげん:declare:N1}だけでなく、[日次]{にちじ:daily:N3}の[運用記録]{うんようきろく:operational record:N2}として[見せている]{みせている:is showing:N5} [点]{てん:point:N3}に[意味]{いみ:meaning:N4}がある。Goを[導入]{どうにゅう:introduce:N2}する[企業]{きぎょう:companies:N1}や[基盤担当者]{きばんたんとうしゃ:platform engineers:N1}にとっては、[言語]{げんご:language:N4}の[配布工程]{はいふこうてい:distribution pipeline:N2}まで[観察]{かんさつ:observe:N3}できる[材料]{ざいりょう:material:N2}が1つ[増えた]{ふえた:increased:N3}といえそうだ。\n\n#en\nThis update matters because Go is not only declaring reproducibility, but exposing it as a daily operational record. For companies adopting Go and for platform engineers, it adds another concrete artifact for observing how the language distribution pipeline is handled.\n::\n"]