学习Git遇到的坑
如果不明白文中指令含义，建议查看 Git 笔记整理
1. git commit 遇到 error：pathspec
原因：输入 git commit -m "messages" 时，忘记加 -u 。
2. git commit -am "messages" ，不能提交新增文件
先使用 git add -A ，提交全部新增文件，再使用 git commit -m "messages" 。
3. 有时候 git push origin master 会报错，如下：
$ git push origin master
To github.com:smartBBer/LeetCode.git
! [rejected] master -> master (fetch first)
error: failed to push some refs to '[email protected]:smartBBer/LeetCode.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.
错误原因很简单：本地库和GitHub中的库不同步，解决办法有两种。
第一种解决方法(不要轻易使用)
加上 -f，强制推送上去，这时你的GitHub上的库会以本地同步，
$ git push -f
Enumerating objects: 35, done.
Counting objects: 100% (35/35), done.
Delta compression using up to 4 threads
Compressing objects: 100% (24/24), done.
Writing objects: 100% (35/35), 6.35 KiB | 325.00 KiB/s, done.
Total 35 (delta 6), reused 6 (delta 1)
remote: Resolving deltas: 100% (6/6), done.
To github.com:smartBBer/LeetCode.git
+ 0794cc5...80639ea master -> master (forced update)
第二种解决方法（推荐）
使用git pull --rebase origin master合并 GitHub 和 本地 的库，本地会多出之前不同步的文件，在使用 git push -u origin master 推送到 GitHub 库中。
$ git pull --rebase origin master
$ git push origin master
fatal: 'origin' does not appear to be a git repository
fatal: Could not read from remote repository.
Please make sure you have the correct access rights and the repository exists.
解决办法：重新输入一次：git remote add origin [email protected]:yourusername/test.git
fatal: remote error:
XXXXXX is not a valid repository name Email [email protected] for help
解决办法：使用git remote rm origin 然后再使用上传命令
4. 输入：git remote add origin [email protected]:yourName/yourRepo.git时
fatal: Not a git repository (or any of the parent directories): .git
解决办法：输入 git init ，初始化一个本地仓库
fatal: remote origin already exists.
解决办法： 1 删除Git仓库中的origin信息：git remote rm origin
2 重新添加Git仓库中的origin信息
5. 输入git add ./时
fatal: Not a git repository (or any of the parent directories): .git
解决办法：先输入git init，再add
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