Git Submodule使用完整教程(小结)

➜ henryyan@hy-hp ~/submd/ws/project1-b git:(master) ✗ git submodule +36ad12d40d8a41a4a88a64add27bd57cf56c9de2 libs/lib1 (heads/master) +7290dce0062bd77df1d83b27dd3fa3f25a836b54 libs/lib2 (heads/master) # 添加执行权限 ➜ henryyan@hy-hp ~/submd/ws/project1-b git:(master) ✗ chmod +x ./bin/update-submodules.sh ➜ henryyan@hy-hp ~/submd/ws/project1-b git:(master) ✗ ./bin/update-submodules.sh libs/lib1 Already on 'master' remote: Counting objects: 4, done. remote: Compressing objects: 100% (2/2), done. remote: Total 3 (delta 0), reused 0 (delta 0) Unpacking objects: 100% (3/3), done. From /home/henryyan/submd/repos/lib1 36ad12d..8c666d8 master -> origin/master Updating 36ad12d..8c666d8 Fast-forward README | 1 + 1 files changed, 1 insertions(+), 0 deletions(-) create mode 100644 README libs/lib2 Switched to branch 'master' remote: Counting objects: 5, done. remote: Compressing objects: 100% (2/2), done. remote: Total 3 (delta 0), reused 0 (delta 0) Unpacking objects: 100% (3/3), done. From /home/henryyan/submd/repos/lib2 7290dce..e372b21 master -> origin/master Updating 7290dce..e372b21 Fast-forward lib2-features | 1 + 1 files changed, 1 insertions(+), 0 deletions(-) ➜ henryyan@hy-hp ~/submd/ws/project1-b git:(master) ✗ git submodule 8c666d86531513dd1aebdf235f142adbac72c035 libs/lib1 (heads/master) e372b21dffa611802c282278ec916b5418acebc2 libs/lib2 (heads/master) ➜ henryyan@hy-hp ~/submd/ws/project1-b git:(master) ✗ git status # On branch master # Untracked files: # (use "git add <file>..." to include in what will be committed) # # bin/ nothing added to commit but untracked files present (use "git add" to track) </file>

更新之后的两个变化：

git submodule的结果和project2的submodule commit id保持一致；

project1-b不再提示new commits了。

现在可以把工具添加到仓库了，当然你可以很骄傲的分享给其他项目组的同事。

➜ henryyan@hy-hp ~/submd/ws/project1-b git:(master) ✗ git add bin/update-submodules.sh ➜ henryyan@hy-hp ~/submd/ws/project1-b git:(master) ✗ git commit -m "添加自动更新submodule的快捷脚本^_^" [master 756e788] 添加自动更新submodule的快捷脚本^_^ 1 files changed, 9 insertions(+), 0 deletions(-) create mode 100755 bin/update-submodules.sh ➜ henryyan@hy-hp ~/submd/ws/project1-b git:(master) git push Counting objects: 5, done. Delta compression using up to 2 threads. Compressing objects: 100% (3/3), done. Writing objects: 100% (4/4), 625 bytes, done. Total 4 (delta 0), reused 0 (delta 0) Unpacking objects: 100% (4/4), done. To /home/henryyan/submd/ws/../repos/project1.git 8fcca50..756e788 master -> master

2.9 新进员工加入团队，一次性Clone项目和Submodules

一般人使用的时候都是使用如下命令：

git clone /path/to/repos/foo.git git submodule init git submodule update

新员工不耐烦了，嘴上不说但是心里想：怎么那么麻烦？

上面的命令简直弱暴了，直接一行命令搞定：

git clone --recursive /path/to/repos/foo.git

–recursive参数的含义：可以在clone项目时同时clone关联的submodules。

git help 对其解释：

--recursive, --recurse-submodules
   After the clone is created, initialize all submodules within, using their default settings. This is equivalent to running git
   submodule update --init --recursive immediately after the clone is finished. This option is ignored if the cloned repository
   does not have a worktree/checkout (i.e. if any of --no-checkout/-n, --bare, or --mirror is given)

2.9.1 使用一键方式克隆project2

➜ henryyan@hy-hp ~/submd/ws git clone --recursive ../repos/project2.git project2-auto-clone-submodules Cloning into project2-auto-clone-submodules... done. Submodule 'libs/lib1' (/home/henryyan/submd/repos/lib1.git) registered for path 'libs/lib1' Submodule 'libs/lib2' (/home/henryyan/submd/repos/lib2.git) registered for path 'libs/lib2' Cloning into libs/lib1... done. Submodule path 'libs/lib1': checked out '8c666d86531513dd1aebdf235f142adbac72c035' Cloning into libs/lib2... done. Submodule path 'libs/lib2': checked out 'e372b21dffa611802c282278ec916b5418acebc2' 舒服……

3.移除Submodule

牢骚：搞不明白为什么git不设计一个类似：git submodule remove的命令呢？

我们从project1.git克隆一个项目用来练习移除submodule：

➜ henryyan@hy-hp ~/submd/ws git clone --recursive ../repos/project1.git project1-remove-submodules Cloning into project1-remove-submodules... done. Submodule 'libs/lib1' (/home/henryyan/submd/repos/lib1.git) registered for path 'libs/lib1' Submodule 'libs/lib2' (/home/henryyan/submd/repos/lib2.git) registered for path 'libs/lib2' Cloning into libs/lib1... done. Submodule path 'libs/lib1': checked out '8c666d86531513dd1aebdf235f142adbac72c035' Cloning into libs/lib2... done. Submodule path 'libs/lib2': checked out 'e372b21dffa611802c282278ec916b5418acebc2' ➜ henryyan@hy-hp ~/submd/ws cd !$ ➜ henryyan@hy-hp ~/submd/ws cd project1-remove-submodules

3.1 Step by

1、删除git cache和物理文件夹

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