Learn how to create a Git repository, clone it, make changes, and submit changes to GitHub

Git & GitHub Crash Course: Create a Repository From Scratch!

1. install git.
2. Create repository
3. Copy Clone Url

*********** Clone Project **************

Commadn:  git clone clone_url here_folder_name_ifspecify
          e.g git clone https://github.com/...../test.git example_repo
  
********** ******* Git Status ********* ************
Command:  git status
          It showing untracked files. Commits etc.

********** ******* Git Add Files ********* ************
Command:  git add filepath/filename
          It adding file to git repo. but not stored to repo.
          
********** ******* Git Add Files ********* ************
Command:  git add filepath/filename
          It adding file to git repo. but not stored to repo.
          
***************** Git Commit ***************************
Command:  git commit -m "intial commit" filename_with_path
          -m : message - string
          not sent to repo. its committed only.
***************** Git Push ***************************
Command:  git push origin master
          master - like index.html of main folder
          origin - where to come.
          
          //it will be asked for password and username. login with your credential
          // if error occure 403 - open ./git/config file - change
          
          git remote set-url origin ssh://[email protected]/derekerdmann/lunch_call.git
          
          ***or this can work***
          
          1. edit .git/config file under your repo directory
          2. find url=entry under section [remote "origin"]
          3. change it from url=https://[email protected]/derekerdmann/lunch_call.git to [email protected]/derekerdmann/lunch_call.git. that is, change all the texts before @ symbol to ssh://git
          4. Save config file and quit. now you could use git push origin master to sync your repo on GitHub
          
          **** git status
                   It will shows - On branch master - Your branch is up to date with 'origin/master'.
                   
                   
**************  Create new file and change int  README.md file ****************
Command:  git status
          //this will shows 1 README.md file has modified
          // also shows 1 brand new file is there which not added to REPO.
          
************* Check Diff **********************
Command: git diff filename
          //it will shows current file changes with commited file from repo.
          //it will show up +/- with green red color changes
          // red - removed line
          // green - changes mad in this line or added
          
************ Check commited git Log ****************
Command: git log

          //it showing last logs from git. like first commit with time, second commit.
          
********* Never store API/Credircard/Passwords to this - its public ************

************************ Show Commit changes by Commit ID ***********************

Command:
          git show cbe1249b140dad24b2c35b15cc7e26a6f02d2277

********* Reverse File Changes ************
Command: git checkout filename
          // this will erase your existing code from file. and file was same it is in REPO.
          
********* Reverse File Changes ************
Command: git checkout filename
          // this will erase your existing 
********* checkout commit if not working
Command: git log
          //copy git commit id where you want to go back to code
          git checkout git_commit_id
          // this will undo your all changes to copiesd git commit version
          
          git checkout master
          //this will back to your last commit
          
********** RUn this command to show log very pretyy
Command: git log --topo-order --all --graph --date=local --pretty=format:'%C(green)%h%C(reset) %><(55,trunc)%s%C(red)%d%C(reset) %C(blue)[%an]%C(reset) %C(yellow)%ad%C(reset)%n'
          
********** Use Gitlab.com for private repository - 0$ charge, github 7$ taking per repo.****** 


Setting username
                    git config --global user.name "Jerry Mouse"
Setting user email
                    git config --global user.email "[email protected]"
Color highlighting
                    git config --global color.ui true
                    git config --global color.status auto
                    git config --global color.branch auto
Set Default Editor
                    git config --global core.editor vim
List Git Setting
                    git config --list
********************************************************************
Life Cycle - https://www.tutorialspoint.com/git/images/life_cycle.png

*******************************************************************