きょん

<h1 id="go-multiple-install%E3%82%92%E4%BD%BF%E7%94%A8">
<a class="header-anchor-link" href="#go-multiple-install%E3%82%92%E4%BD%BF%E7%94%A8" aria-hidden="true"></a> Go multiple installを使用</h1>
<p><span class="embed-block zenn-embedded zenn-embedded-card"><iframe id="zenn-embedded__80f9fd513ad1" src="https://embed.zenn.studio/card#zenn-embedded__80f9fd513ad1" data-content="https%3A%2F%2Fgo.dev%2Fdoc%2Fmanage-install" frameborder="0" scrolling="no" loading="lazy"></iframe></span><a href="https://go.dev/doc/manage-install" style="display:none" target="_blank" rel="nofollow noopener noreferrer">https://go.dev/doc/manage-install</a></p>
<blockquote>
<p>以下の環境にて動作確認<br>
・ Mac (Intel)<br>
・ Zsh</p>
</blockquote>
<h3 id="go1.18%E3%81%AEdownload">
<a class="header-anchor-link" href="#go1.18%E3%81%AEdownload" aria-hidden="true"></a> Go1.18のdownload</h3>
<p><a href="https://pkg.go.dev/cmd/go#hdr-Compile_and_install_packages_and_dependencies" target="_blank" rel="nofollow noopener noreferrer">go install</a>コマンドを用いてGo1.18をdownload</p>
<div class="code-block-container"><pre class="language-zsh"><code class="language-zsh">go install golang.org/dl/go1.18@latest
</code></pre></div><div class="code-block-container"><pre class="language-zsh"><code class="language-zsh">go1.18 download
</code></pre></div><p>すると最後にdownloadに成功したLogが出力される。</p>
<div class="code-block-container"><pre class="language-zsh"><code class="language-zsh">Success. You may now run 'go1.18'
</code></pre></div><p>はい、Go1.18のダウンロードができた。<br>
非常に簡単w</p>
<p>この段階でバージョンを指定することでGo1.18を動かすことができます。</p>
<div class="code-block-container"><pre class="language-zsh"><code class="language-zsh">$ go1.18 version
go version go1.18 darwin/amd64
</code></pre></div><p>ただ、defaultで1.18を動かすにはGOROOTの修正が必要<br style="display:none">
<span class="embed-block zenn-embedded zenn-embedded-card"><iframe id="zenn-embedded__183e7c987a8e9" src="https://embed.zenn.studio/card#zenn-embedded__183e7c987a8e9" data-content="https%3A%2F%2Flakefs.io%2Fmanaging-multiple-go-versions-with-go%2F" frameborder="0" scrolling="no" loading="lazy"></iframe></span><a href="https://lakefs.io/managing-multiple-go-versions-with-go/" style="display:none" target="_blank" rel="nofollow noopener noreferrer">https://lakefs.io/managing-multiple-go-versions-with-go/</a></p>
<div class="code-block-container"><pre class="language-zsh"><code class="language-zsh">$ export GOROOT=$(go1.18 env GOROOT)
$ export PATH=${GOROOT}/bin;${PATH}
</code></pre></div><p>GOROOTは触りたくない...</p>


<p>結果もともと入っていたgvmで切り替え<br style="display:none">
<span class="embed-block zenn-embedded zenn-embedded-card"><iframe id="zenn-embedded__c2317c13386c4" src="https://embed.zenn.studio/card#zenn-embedded__c2317c13386c4" data-content="https%3A%2F%2Fgithub.com%2Fmoovweb%2Fgvm" frameborder="0" scrolling="no" loading="lazy"></iframe></span><a href="https://github.com/moovweb/gvm" style="display:none" target="_blank" rel="nofollow noopener noreferrer">https://github.com/moovweb/gvm</a></p>
<div class="code-block-container"><pre class="language-zsh"><code class="language-zsh">gvm install go 1.18
gvm use go1.18 --default
</code></pre></div>