Commands

• git init
  Initialize repo in cd (note appearance of hidden .git folder)
• git add .
  Register all changes since last git commit or git init and prepare them for commit. It's like taking the files up to a stage before taking a pic
• git reset .
  Revert all changes added. It's like asking the files to come down the stage because they aren't ready for the pic
• git commit -m "<message>"
  Commit the changes. Take the pic
• git checkout -- .
  Reconstruct committed files to the previous commit
• git log
  Get list of past commits
• git commit --amend
  Fix last commit comment
• git checkout -b <branch>
  Create new branch from last commit
• git branch
  Show current branch from branches
• git checkout <branch>
  Go to specified branch
• gir merge <branch>
  Merge specified branch with master/main
• git branch -d <branch>
  Delete specified branch
• git branch -M main
  Create/change name (not sure)? to main branch
• git remote add origin https://github.com/user/repo.git
  Add remote via HTTPS or
  git remote add origin [email protected]:user/repo.git
  Add remote via SSH
• git push -u origin <branch>
  Send changes to specified branch in remote repo

Flags

--all: include all new, modified or deleted files, including subdirectories. -A: shorthand for the same command
space dot ( .): all files in the current directory BUT NOT any subdirectories
-b: branch
-d: delete
-m: message
-u: --set upstream

…or create a new repository on the command line

echo "# guitguide" >> README.md
git init
git add README.md
git commit -m "first commit"
git branch -M main
git remote add origin https://github.com/user/repo.git or git remote add origin [email protected]:user/repo.git
git push -u origin main

…or push an existing repository from the command line

git remote add origin [email protected]:user/repo.git or git remote add origin [email protected]:user/repo.git
git branch -M main git push -u origin main