最近，在 M1 Macbook 上想要把博客运行起来，一番折腾之后，最终顺利搞定。把这过程中碰到的几个问题记录一下。
从 GitHub 上 clone 了 Repository 到本地，bundle install之后，运行bundle exec jekyll s -w，死活启动不起来。报这样的错误：
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bundler: failed to load command: jekyll (/xxxxxx/xfyuan.github.com/vendor/bundle/ruby/2.7.0/bin/jekyll)
TypeError: unable to resolve type 'size_t'
/xxxxxx/xfyuan.github.com/vendor/bundle/ruby/2.7.0/gems/ffi-1.13.1/lib/ffi/types.rb:69:in `find_type'
/xxxxxx/xfyuan.github.com/vendor/bundle/ruby/2.7.0/gems/ffi-1.13.1/lib/ffi/library.rb:589:in `find_type'
/xxxxxx/xfyuan.github.com/vendor/bundle/ruby/2.7.0/gems/ffi-1.13.1/lib/ffi/struct.rb:277:in `find_type'
/xxxxxx/xfyuan.github.com/vendor/bundle/ruby/2.7.0/gems/ffi-1.13.1/lib/ffi/struct.rb:271:in `find_field_type'
/xxxxxx/xfyuan.github.com/vendor/bundle/ruby/2.7.0/gems/ffi-1.13.1/lib/ffi/struct.rb:311:in `array_layout'
/xxxxxx/xfyuan.github.com/vendor/bundle/ruby/2.7.0/gems/ffi-1.13.1/lib/ffi/struct.rb:217:in `layout'
/xxxxxx/xfyuan.github.com/vendor/bundle/ruby/2.7.0/gems/sassc-2.4.0/lib/sassc/native/sass_value.rb:53:in `<class:SassList>'
/xxxxxx/xfyuan.github.com/vendor/bundle/ruby/2.7.0/gems/sassc-2.4.0/lib/sassc/native/sass_value.rb:52:in `<module:Native>'
/xxxxxx/xfyuan.github.com/vendor/bundle/ruby/2.7.0/gems/sassc-2.4.0/lib/sassc/native/sass_value.rb:4:in `<module:SassC>'
/xxxxxx/xfyuan.github.com/vendor/bundle/ruby/2.7.0/gems/sassc-2.4.0/lib/sassc/native/sass_value.rb:3:in `<top (required)>'
/xxxxxx/xfyuan.github.com/vendor/bundle/ruby/2.7.0/gems/sassc-2.4.0/lib/sassc/native.rb:16:in `require_relative'
/xxxxxx/xfyuan.github.com/vendor/bundle/ruby/2.7.0/gems/sassc-2.4.0/lib/sassc/native.rb:16:in `<module:Native>'
/xxxxxx/xfyuan.github.com/vendor/bundle/ruby/2.7.0/gems/sassc-2.4.0/lib/sassc/native.rb:6:in `<module:SassC>'
/xxxxxx/xfyuan.github.com/vendor/bundle/ruby/2.7.0/gems/sassc-2.4.0/lib/sassc/native.rb:5:in `<top (required)>'
/xxxxxx/xfyuan.github.com/vendor/bundle/ruby/2.7.0/gems/sassc-2.4.0/lib/sassc.rb:31:in `require_relative'
/xxxxxx/xfyuan.github.com/vendor/bundle/ruby/2.7.0/gems/sassc-2.4.0/lib/sassc.rb:31:in `<top (required)>'
/xxxxxx/xfyuan.github.com/vendor/bundle/ruby/2.7.0/gems/jekyll-sass-converter-2.1.0/lib/jekyll/converters/scss.rb:3:in `require'
/xxxxxx/xfyuan.github.com/vendor/bundle/ruby/2.7.0/gems/jekyll-sass-converter-2.1.0/lib/jekyll/converters/scss.rb:3:in `<top (required)>'
/xxxxxx/xfyuan.github.com/vendor/bundle/ruby/2.7.0/gems/jekyll-sass-converter-2.1.0/lib/jekyll-sass-converter.rb:4:in `require'
/xxxxxx/xfyuan.github.com/vendor/bundle/ruby/2.7.0/gems/jekyll-sass-converter-2.1.0/lib/jekyll-sass-converter.rb:4:in `<top (required)>'
/xxxxxx/xfyuan.github.com/vendor/bundle/ruby/2.7.0/gems/jekyll-4.1.0/lib/jekyll.rb:209:in `require'
/xxxxxx/xfyuan.github.com/vendor/bundle/ruby/2.7.0/gems/jekyll-4.1.0/lib/jekyll.rb:209:in `<top (required)>'
/xxxxxx/xfyuan.github.com/vendor/bundle/ruby/2.7.0/gems/jekyll-4.1.0/exe/jekyll:8:in `require'
/xxxxxx/xfyuan.github.com/vendor/bundle/ruby/2.7.0/gems/jekyll-4.1.0/exe/jekyll:8:in `<top (required)>'
/xxxxxx/xfyuan.github.com/vendor/bundle/ruby/2.7.0/bin/jekyll:23:in `load'
/xxxxxx/xfyuan.github.com/vendor/bundle/ruby/2.7.0/bin/jekyll:23:in `<top (required)>'
跑不起来，本地就无法预览效果和调试了，这必须解决。
开始以为是 Ruby 版本兼容问题，但是依次试过了 2.6.x、2.7.x 以及 3.0.x 版本，都不行。
翻了好几个 GitHub 项目的 issues 列表，最后找到原因是 Gem ffi的对 M1 Macbook 的兼容性问题。把它升级到最新版本（bundle update ffi）就能正常启动 Jekyll 了。
另一件事是有关 Jekyll 的 GitHub Action 的。
最近几天突然收到好多我的博客 GitHub Action 失败的 Email 通知，点开链接一看，好家伙，已经红了一片～
晚上抽点时间查了一下，原来是 Jekyll GitHub Action 版本已经升级了，有几处 Deprecated 调整导致的。
一个报错是这样的：
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Can't find any online and idle self-hosted runner in the current repository, account/organization that matches the required labels: 'ubuntu-16.04'
Waiting for a self-hosted runner to pickup this job...
明显是找不到 Ubuntu 16.04 的版本。这个简单，按照 Jekyll GitHub Action 最新版本改为Ubuntu-latest就好。
另一处升级是关于JEKYLL_PAT的。这个在我之前一篇关于 Jekyll 升级到 4.1 的博客中提到过。但是现在 Jekyll GitHub Action 已经废弃了这个写法，而是根据 GitHub 的政策改为使用GITHUB_TOKEN了。具体是把原来的这一行：
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JEKYLL_PAT: $%{{ secrets.JEKYLL_PAT }}
改为：
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token: ${{ secrets.GITHUB_TOKEN }}
所以，升级后的最新版本是这样的：
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name: Build and deploy Jekyll site to GitHub Pages
on:
push:
branches:
- master
jobs:
gh-pages:
runs-on: ubuntu-latest
steps:
- uses: actions/checkout@v2
- uses: helaili/jekyll-action@2.0.1
env:
token: ${{ secrets.GITHUB_TOKEN }}
如此，GitHub Action 又恢复了正常。
