Github 

Working space Stage area and git local

Installation 

For Ubuntu

sudo apt install git

Commands 

Note

If first time use github, you must commands below

git config --global user.name "John"

git config --global user.mail "nguyevana@gmail.com"

git config credential.helper store # to store user name and password to your computer

Write access to repository not granted. fatal: unable to access 

Visit this link stackoverflow

Initiate git local 

git init

Note

If you mistakenly use git init in wrong the folder, then on Windows, you can invoke

dir /a

to find .git file. Then delete it with

rmdir /s /q .git

Git ignore 

Git will not ignore files/folders that have already been tracked, even if they have been added to .gitignore

You have to remove files/folders from Git’s tracking status, here i will remove folder Debug:

git rm -r --cached Debug

Then, commit the changes, and Git will ignore the Debug folder according to the .gitignore.

Add all file to local 

git add .

Commit code to local 

git commit -m "message"

Link to remote repository 

git remote add origin <Url_repo>

Push code to branch 

Push code to branch master of remote repository, later then just use git push

git push -u origin master

Update code from branch to local 

Update code from branch master to local

git pull origin master

Change to another version (version: code committed to git remote)

git checkout <commit_id>

Create a new branch and move to it (-b: create a new branch)

git checkout -b <branch_name>

Merge a branch to master 

git merge <branch_name>

List branch 

git branch -a

Assumed you committed c1 c2 c3 c4 c5. If you use the command below, then we will return to c2, code in c3 c4 c5 will be deleted (as never exist)

git reset --hard <id_c2>

Show id commit 

git log

Return to a commit in history 

git revert <id_commit>

Git clone 

If you don’t need the entire commit history, you can perform a shallow clone, which only fetches the latest state of the repository. Use the –depth option:

git clone --recurse-submodules --depth 1 https://github.com/cetic/6lbr.git

Recover code from git repository 

If you want to change current code and recover it from git repository

git fetch --all

git reset --hard origin/<branch-name>