git command

-> create a new repository on the command line
--
echo "# github-command" >> README.md
git init
git add README.md
git commit -m "first commit"
git branch -M main
git remote add origin https://github.com/Shakilgithub20/github-command.git
git push -u origin main
--
…or push an existing repository from the command line
---
git remote add origin https://github.com/Shakilgithub20/demo.git
git branch -M main
git push -u origin main
---

# Check git user/email name:
-> git config --list

# set git :
-> git config --global user.name <your-name>
-> git config --global user.email <your-email>

-> git config --local user.name <your-name>
-> git config --local user.email <your-email>

# Show
-> git branch                                 # Show all local branches
-> git branch -r                              # Show all the remote branch
-> git branch -av                             # Show all local and remote branches

# Create
-> git branch <branch-name>                   # Create a new branch
-> git checkout -b <branch-name>              # Create & checkout to new branch
-> git checkout --orphan <branch-name>        # Create a branch with no commit list

# Push
-> git push origin <branchname>               # Push to remote branch

# Delete
-> git branch -d <branchname>                 # Delete the local branch, show a warning
-> git branch -D <branhcname>                 # Force to delete branch
-> git remote prune origin                    # Cleanup remote deleted branch

-> git add .                                                               
-> git add --all                                     # Add all changes     

# Commit                                                                          
-> git commit -am 'commit message'                   # Add & commit        
-> git commit --allow-empty -m k3;                   # Commit empty change
-> git cherry-pick <commit-hash>                     # Take a commit change of another branch 

# Amend
-> git add task2.txt                                 # Add any file
-> git commit --amend -m 'new message'               # Merge current change to previous commit and will also change the commit hash

# Pull
-> git pull origin <branch-1>                        # Pull the change of 'branhc-1' in current branch 

# Push
-> git push origin <branchame>                       # Push a branch
-> git push -f origin <branch-name>                  # Overwrite remote branch (by force)

# Merge
-> git merge origin <branch-1>                       # Merge remote 'branch-1' with current branch
-> git mergetool
-> git merge --squash <privateFeatureBranch>

# Set local folder to response remote url
git remote set-url origin git@Xyz

-> git checkout <commit-hash>               # Go to a specific commit
-> git checkout <branch-name>               # Return to present state
-> git checkout <commit-hash> <file-name>   # Only a file will go back to specific commit
-> git checkout <branch-name> -f            # Return to persent state by force
-> git checkout -- <filename1> <filename2>  # Discard all changes of file1 and file2