git本地无法上传到远程的问题解决方法

正常的创建本地git仓库然后上传到远程的方案参考另一篇博客:
用git建立本地仓库并与远程仓库连接
但是在push过程中可能出现无法连接的问题, 本文将对常见的具体问题和解决方案进行总结.

1. Please make sure you have the correct access rights and the repository exists

这个是公钥出问题了,也就是git服务器没有存储本地ssh密钥, 需要重新获取公钥, 具体的解决方法可以参考如下链接:
https://blog.csdn.net/lw545034502/article/details/90696872

1.1 项目文件夹目录下配置git

git config --global user.name "yourname"
git config --global user.email "your@email.com"

1.2 生成公钥

在终端对话框(ubuntu)或git shell(windows)中输入:

ssh-keygen -t rsa -C "your@email.com"    #请填你设置的邮箱地址）

如果成功, 则会显示以下内容:

Generating public/private rsa key pair.
Enter file in which to save the key (/Users/your_user_directory/.ssh/id_rsa):

注意如果之前就有公钥, 只是失效了, 会提示是否覆盖, 选择"Y", 然后一路回车(不设置密码, 需要的话在提示设置密码的时候填一下)
成功之后, 显示:

The key's randomart image is:
+---[RSA 2048]----+
|    .          . |
| . = .       .  o|
|o o * .     . ...|
|E oo o   .   o.. |
| B .  o S . ...  |
|. o    o .o..    |
| .       o**.    |
|        .B=+%.   |
|         +*BoBo  |
+----[SHA256]-----+

然后系统会自动在.ssh文件夹下生成两个文件，id_rsa和id_rsa.pub，具体的.ssh文件夹目录信息已经显示在对话框中, 一般为:

username/.ssh/id_rsa.pub

用gedit编辑器打开id_rsa.pub

gedit xx/.ssh/id_rsa.pub #xx是.ssh文件夹的目录

复制全部内容

1.3 远程更新公钥

打开github网站, 登录自己的账户, 点击"设置", 进入ssh设置, New SSH Key, 然后将刚才复制的内容全部粘贴到Key中, 点击add ssh key, 完成.

2. 拒绝上传

解决了密钥问题, 在push的过程中可能还会出现以下问题:

! [rejected]        master -> master (fetch first)
error: failed to push some refs to 'git@github.com:KatelynLiu/SynMultiSensors.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.

原因 : 本地仓库和远程仓库的文件不一致, 即github允许本地仓库有的东西, 远程仓库里没有, 但不允许远程仓库有的东西, 本地仓库没有.
解决办法 : 在push之前先同步一下本地仓库与远程仓库的文件。使用以下命令

git pull --rebase origin master

成功后会显示

warning: no common commits
remote: Enumerating objects: 3, done.
remote: Counting objects: 100% (3/3), done.
remote: Compressing objects: 100% (2/2), done.
remote: Total 3 (delta 0), reused 0 (delta 0), pack-reused 0
Unpacking objects: 100% (3/3), done.
From github.com:KatelynLiu/SynMultiSensors* branch            master     -> FETCH_HEAD* [new branch]      master     -> origin/master
First, rewinding head to replay your work on top of it...
Applying: Synchronize multi sensors data from rosbag
Applying: synchronize multi sensors data

然后就可以正常push自己的代码了

git push origin master

如果上述方法仍有问题, 可以试试输入

git push -f

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