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在使用Oracle VM VirtualBox,进行Linux开发时,随着使用内存越来越少,空间已不足拉取整个代码库。
Ubuntu1604内存够,Ubuntu18.04内存不够。
第一步:从问题本身出发,先能满足编译需要。
方法1,手动从Ubuntu16.04上拉取最新代码,删掉不需要的文件,仅保留Ubuntu18.04需要,然后一次scp
方法2,从Ubuntu16.04上拉取最新代码,在Ubuntu18.04,多次scp所需文件
第二步:考虑自动化脚本。
方法1:从Ubuntu16.04上拉取最新代码,Ubuntu18.04上编写脚本一次执行,传输所需文件
方法2:打个疑问“git 能不能实现文件或文件夹的拉取,而且只拉取最新的?” 查阅资料,整理解决方案并验证
- 建立一个空的git 本地仓库:
- $ git init new.project && cd new.project
-
- 在本地仓库里面启用sparse-checkout:
- $ git config core.sparseCheckout true
-
- 设定你要checkout 哪些文件夹(如/xxx/*表示xxx文件夹下所有文件)(也可以用vim直接打开 .git/info/sparse-checkout写入)
- $ echo '/xxx/*' >> .git/info/sparse-checkout
- 设定remote (要从哪里clone/pull?):
- $ git remote add origin git://github.com/xxx/xxx.git
-
- 然后就可以开始pull 了(这边可以加上后面说的shallow pull,加上–depth=n
- $ git pull origin master
命令行方式
- git init project && cd project
- git config core.sparseCheckout true
- git remote add origin ssh://neal.shen@XXX.XXX.XXX.XXX:XXXXXX/SDK/SDK.git
- echo '/complieLinux.sh' >> .git/info/sparse-checkout
- echo '/sources/include/*' >> .git/info/sparse-checkout
- echo '/sources/config/*' >> .git/info/sparse-checkout
- echo '/sources/json/*' >> .git/info/sparse-checkout
- echo '/sources/log/*' >> .git/info/sparse-checkout
- echo '/sources/sensor/*' >> .git/info/sparse-checkout
- echo '/sources/platforms/*' >> .git/info/sparse-checkout
- echo '/sources/src/*' >> .git/info/sparse-checkout
- echo '/sources/3rdparty/libjpeg-turbo-2.0.2/*' >> .git/info/sparse-checkout
- echo '/sources/3rdparty/opencv/bulid/include_3.4.16/*' >> .git/info/sparse-checkout
- echo '/sources/3rdparty/opencv/bulid/x64/ubuntu18.04/lib_3416/*' >> .git/info/sparse-checkout
- echo '/sources/3rdparty/algorithm/PC_ImgPreProc/ImgPreProcess/*' >> .git/info/sparse-checkout
- echo '/sources/3rdparty/algorithm/imgpreproc/include/*' >> .git/info/sparse-checkout
- 录取全部记录
- git pull origin v3
-
- 只拉取最近一次的变更,忽略以前的变更记录,在拉取时可以加参数depth
- git pull --depth=1 origin v3
sparse-checkout文件内容:
- /complieLinux.sh
- /sources/include/*
- /sources/config/*
- /sources/json/*
- /sources/sensor/*
- /sources/platforms/*
- /sources/3rdparty/libjpeg-turbo-2.0.2/*
- /sources/3rdparty/opencv/bulid/include_3.4.16/*
- /sources/3rdparty/opencv/bulid/x64/ubuntu18.04/lib_3416/*
- /sources/3rdparty/algorithm/PC_ImgPreProc/ImgPreProcess/*
- /sources/3rdparty/algorithm/imgpreproc/include/*
优化:
使用python编写build.py
- # coding:utf-8
- ########################################################################
- # File Name: build.py
- # Purpose: git 拉取单个文件或特定文件夹
- # Usage: python build.py
- # Author: Neal
- # Mail: 2967732156@qq.com
- # Created Time: 2023
- ########################################################################
-
-
- #import 引入模块 相当于inclued + 导入外部库吧
- #os 模块提供了非常丰富的方法用来处理文件和目录
- import os
- print ('start')
- def gitpull():
-
- os.system('git init project')
- os.chdir('project')
-
- os.system('git config core.sparseCheckout true')
- os.system('git remote add origin
- ssh://neal.shen@XXX.XXX.XXX.XXX:XXXXXX/SDK/SDK.git ')
- os.system('echo /complieLinux.sh >> .git/info/sparse-checkout')
- os.system('echo /sources/include/* >> .git/info/sparse-checkout')
- os.system('echo /sources/config/* >> .git/info/sparse-checkout')
- os.system('echo /sources/json/* >> .git/info/sparse-checkout')
- os.system('echo /sources/log/* >> .git/info/sparse-checkout')
- os.system('echo /sources/sensor/* >> .git/info/sparse-checkout')
- os.system('echo /sources/platforms/* >> .git/info/sparse-checkout')
- os.system('echo /sources/src/* >> .git/info/sparse-checkout')
- os.system('echo /sources/3rdparty/libjpeg-turbo-2.0.2/* >> .git/info/sparse-checkout')
- os.system('echo /sources/3rdparty/opencv/bulid/include_3.4.16/* >> .git/info/sparse-checkout')
- os.system('echo /sources/3rdparty/opencv/bulid/x64/ubuntu18.04/lib_3416/* >> .git/info/sparse-checkout')
- os.system('echo /sources/3rdparty/algorithm/PC_ImgPreProc/ImgPreProcess/* >> .git/info/sparse-checkout')
- os.system('echo /sources/3rdparty/algorithm/imgpreproc/include/* >> .git/info/sparse-checkout')
-
-
- os.system('git pull --depth=1 origin v3')
- gitpull()
- print ('end')
python os.system("cd 目录") 不起效
使用os提供的os.chdir(‘目录’)
Ubuntu18.04已验证OK
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