homebrew brew services list 报错解决

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问题：
运行brew services list 报错，报错如下：

1. Error: uninitialized constant Homebrew::Service
   
2. /usr/local/Homebrew/Library/Homebrew/formula.rb:1267:in `service'
   
3. /usr/local/Homebrew/Library/Homebrew/formula.rb:1238:in `plist_name'
   
4. /usr/local/Homebrew/Library/Homebrew/formula.rb:1250:in `launchd_service_path'
   
5. /usr/local/Homebrew/Library/Taps/homebrew/homebrew-services/lib/service/formula_wrapper.rb:58:in `service_file'
   
6. /usr/local/Homebrew/Library/Taps/homebrew/homebrew-services/lib/service/formula_wrapper.rb:92:in `plist?'
   
7. /usr/local/Homebrew/Library/Taps/homebrew/homebrew-services/lib/service/formulae.rb:14:in `block in available_services'
   
8. /usr/local/Homebrew/Library/Taps/homebrew/homebrew-services/lib/service/formulae.rb:14:in `select'
   
9. /usr/local/Homebrew/Library/Taps/homebrew/homebrew-services/lib/service/formulae.rb:14:in `available_services'
   
10. /usr/local/Homebrew/Library/Taps/homebrew/homebrew-services/lib/service/formulae.rb:25:in `services_list'
    
11. /usr/local/Homebrew/Library/Taps/homebrew/homebrew-services/lib/service/commands/list.rb:13:in `run'
    
12. /usr/local/Homebrew/Library/Taps/homebrew/homebrew-services/cmd/services.rb:129:in `services'
    
13. /usr/local/Homebrew/Library/Homebrew/brew.rb:98:in `public_send'
    
14. /usr/local/Homebrew/Library/Homebrew/brew.rb:98:in `<main>'
    
15. If reporting this issue please do so at (not Homebrew/brew or Homebrew/homebrew-core):
    
16.   https://github.com/homebrew/homebrew-services/issues/new

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解决方案：
删除以安装的homebrew/services
升级homebrew

具体步骤：
1）找到本机的homebrew/services 安装目录

1. /usr/local/Homebrew/Library/Taps/homebrew/homebrew-services

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2）删除 homebrew-services

1. rm -rf /usr/local/Homebrew/Library/Taps/homebrew/homebrew-services

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3)用brew tap命令升级 homebrew-services

1. brew tap homebrew/services

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升级成功

1. noway@Mac-mini homebrew % brew tap homebrew/services
   
2. ==> Tapping homebrew/services
   
3. Cloning into '/usr/local/Homebrew/Library/Taps/homebrew/homebrew-services'...
   
4. remote: Enumerating objects: 3088, done.
   
5. remote: Counting objects: 100% (550/550), done.
   
6. remote: Compressing objects: 100% (210/210), done.
   
7. remote: Total 3088 (delta 356), reused 462 (delta 335), pack-reused 2538 (from 1)
   
8. Receiving objects: 100% (3088/3088), 868.18 KiB | 310.00 KiB/s, done.
   
9. Resolving deltas: 100% (1497/1497), done.
   
10. Tapped 1 command (48 files, 1MB).

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验证brew services命令

1. noway@Mac-mini homebrew % brew services list
   
2. Name          Status  User  File
   
3. emacs         none         
   
4. postgresql@14 started noway ~/Library/LaunchAgents/homebrew.mxcl.postgresql@14.plist
   
5. unbound       none

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