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NEWS LETTER

建立CocoaPods私人库

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前言

平时公司做项目积累了一些自己封装的类，每次新建项目总要拖进去总感觉很low，所以决定弄个pod私人库，顺便了解一下组件化开发，以下仅是记录下创建和使用过程和遇到的问题。

过程

  1. 创建两个仓库

    首先要在代码托管平台(CODING，码云，github，BitBucket等)创建两个仓库，一个是放Spec Repo的，一个放你的代码库。

    我使用的是码云，命名根据个人习惯，看的懂就好：

  2. 创建私有Spec Repo

    什么Spec Repo呢？

    Spec Repo是所有的Pods的一个索引，就是一个容器，所有公开的Pods都在这个里面，它实际是一个Git仓库remote端在GitHub上，但是当你使用了Cocoapods后它会被clone到本地的~/.cocoapods/repos目录下，可以进入到这个目录看到master文件夹就是这个官方的Spec Repo了。

    怎么创建呢？

    到Terminal执行：

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    # pod repo add [Private Repo Name] [GitHub HTTPS clone URL]
    $ pod repo add JNUIKitComponentSpec https://gitee.com/jacknehc/JNUIKitComponentSpec.git

    执行完到~/.cocoapods/repos目录，看到JNUIKitComponentSpec就是成功了。

  3. 创建Pod项目工程文件

    可以使用Cocoapods提供的一个工具直接创建代码库，cd到自己存放代码地方执行：

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    pod lib create JNUIKitComponent

    创建成功会出现如下：

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    Cloning `https://github.com/CocoaPods/pod-template.git` into `JNUIKitComponent`.
    Configuring JNUIKitComponent template.

    ------------------------------

    To get you started we need to ask a few questions, this should only take a minute.

    If this is your first time we recommend running through with the guide:
     - https://guides.cocoapods.org/making/using-pod-lib-create.html
     ( hold cmd and click links to open in a browser. )


    What platform do you want to use?? [ iOS / macOS ]
     > iOS

    What language do you want to use?? [ Swift / ObjC ]
     > ObjC

    Would you like to include a demo application with your library? [ Yes / No ]
     > Yes

    Which testing frameworks will you use? [ Specta / Kiwi / None ]
     > None

    Would you like to do view based testing? [ Yes / No ]
     > No

    What is your class prefix?
     > JN

    Running pod install on your new library.

    Analyzing dependencies
    Fetching podspec for `JNUIKitComponent` from `../`
    Downloading dependencies
    Installing JNUIKitComponent (0.1.0)
    Generating Pods project
    Integrating client project

    [!] Please close any current Xcode sessions and use `JNUIKitComponent.xcworkspace` for this project from now on.
    Sending stats
    Pod installation complete! There is 1 dependency from the Podfile and 1 total pod installed.

    [!] Automatically assigning platform ios with version 9.3 on target JNUIKitComponent_Example because no platform was specified. Please specify a platform for this target in your Podfile. See `https://guides.cocoapods.org/syntax/podfile.html#platform`.

     Ace! you're ready to go!
     We will start you off by opening your project in Xcode
      open 'JNUIKitComponent/Example/JNUIKitComponent.xcworkspace'

    To learn more about the template see `https://github.com/CocoaPods/pod-template.git`.
    To learn more about creating a new pod, see `http://guides.cocoapods.org/making/making-a-cocoapod`.

    他会询问几个问题，根据实际使用情况自己选择就好。

  4. 存放代码

    把你自己的代码放到刚建的Pod项目文件工程的这个目录下：

  5. 修改.podspec文件

    修改Pod项目文件工程根目录下的.podspec文件，一般改这几个参数：

    修改后要验证下，cd到.podspec文件目录下，执行：

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    pod lib lint --allow-warnings

    因为会有警告，所以我一般都加上–allow-warnings

  6. 提交代码到代码仓库

    可能git使用的不熟，遇到点小问题，首先cd到Pod项目文件工程目录下，执行以下提交代码：

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    $ git add .
    $ git commit -s -m "Initial Commit of Library"

    # 添加远端仓库
    $ git remote add origin git@gitee.com:jacknehc/JNUIKitComponent.git

    git@gitee.com:jacknehc/JNUIKitComponent.git是你存放的代码寄放平台获取的ssh地址，通过ssh协议来拉取代码，所以你需要在本地生成公钥私钥：

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    # -C后面填写你的邮箱
    ssh-keygen -t rsa -C 'xxx@xxx.com'

    然后到~/.ssh/查看id_rsa.pub，复制里面的内容到代码寄放平台的公钥里就可以了，然后接下来提交代码：

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    # 提交到远端仓库
    $ git push origin master

    这时候报错提示：

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    To gitee.com:jacknehc/JNUIKitComponent.git
     ! [rejected]        master -> master (fetch first)
    error: failed to push some refs to 'git@gitee.com:jacknehc/JNUIKitComponent.git'
    hint: Updates were rejected because the remote contains work that you do
    hint: not have locally. This is usually caused by another repository pushing
    hint: to the same ref. You may want to first integrate the remote changes
    hint: (e.g., 'git pull ...') before pushing again.
    hint: See the 'Note about fast-forwards' in 'git push --help' for details.

    这是要你先pull更新下远程的内容

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    git pull origin master --allow-unrelated-histories

    不加--allow-unrelated-histories会报

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    fatal: refusing to merge unrelated histories

    的错，执行完后又有错：

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    From gitee.com:jacknehc/JNUIKitComponent
     * branch            master     -> FETCH_HEAD
    Auto-merging README.md
    CONFLICT (add/add): Merge conflict in README.md
    Auto-merging .gitignore
    CONFLICT (add/add): Merge conflict in .gitignore
    Automatic merge failed; fix conflicts and then commit the result.

    执行：

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    git status

    提示：

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    On branch master
    You have unmerged paths.
      (fix conflicts and run "git commit")
      (use "git merge --abort" to abort the merge)

    Unmerged paths:
      (use "git add <file>..." to mark resolution)

    	both added:      .gitignore
    	both added:      README.md

    no changes added to commit (use "git add" and/or "git commit -a")

    所以我执行了以下三句命令：

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    git add .gitignore
    git add README.md
    git commit

    然后在push：

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    git push origin master

    终于成功了/(ㄒoㄒ)/~~，然后接下来一步是重点，要到你代码寄存平台打tag，或者终端git命令也行，这个tag要跟第5步修改的.podspec文件的s.version参数所写的标签一样，以后更新也是如此，代码仓库的tag要和.podspec文件的版本对的上。

  7. 向Spec Repo提交.podspec

    当然要cd到你的.podspec目录下，
    执行以下命令：

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    # 前面是本地Repo名字 后面是podspec名字
    $ pod repo push JNUIKitComponentSpec JNUIKitComponent.podspec

    成功后会出现：

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    Counting objects: 99, done.
    Delta compression using up to 8 threads.
    Compressing objects: 100% (90/90), done.
    Writing objects: 100% (99/99), 37.02 KiB | 0 bytes/s, done.
    Total 99 (delta 25), reused 0 (delta 0)
    remote: Powered by Gitee.com
    To gitee.com:jacknehc/JNUIKitComponent.git
       b5560cf..858258c  master -> master
     jacknehc  ~/Documents/My/MyPods/Private/JNUIKitComponent   master  pod repo push JNUIKitComponentSpec JNUIKitComponent.podspec --allow-warnings

    Validating spec
     -> JNUIKitComponent (0.1.0)
        - WARN  | summary: The summary is not meaningful.
        - WARN  | url: The URL (https://gitee.com/jacknehc/JNUIKitComponent) is not reachable.

    Updating the `JNUIKitComponentSpec' repo

    Already up-to-date.

    Adding the spec to the `JNUIKitComponentSpec' repo

     - [Add] JNUIKitComponent (0.1.0)

    Pushing the `JNUIKitComponentSpec' repo

使用

至此，私人库就制作完成了，使用的时候profile要这样填写：

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# 下面这一句不能省，不然pod不到公共的库
source 'https://github.com/CocoaPods/Specs.git'
source 'https://gitee.com/jacknehc/JNUIKitComponentSpec.git'

platform :ios, '8.0'

target 'Test' do

pod 'JNUIKitComponent/JNPhotoPicker', '~> 0.1.0'
pod 'JNUIKitComponent/JNPlaceholderTextView', '~> 0.1.0'

end

参考

CocoaPods官方文档

使用Cocoapods创建私有podspec

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Article table of contents TOP
  1. 1. 前言
  2. 2. 过程
  3. 3. 使用
  4. 4. 参考