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This reference guide summarizes commonly used Git command line instructions for quick reference

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GIT ---Simple Guide

This reference guide summarizes commonly used Git command line instructions for quick reference


Download GIT !

http://git-scm.com


Basic Configuration

 git config --global user.name "[name]"
  • sets author for commit messages
git config --global user.email "[email address]"
  • sets email for commit messages
git config --global color.ui auto
  • enables helpful colorization in command prompt

Generating ssh key using ssh-keygen

ssh-keygen -t rsa
  • execute command above, It will prompt for file location ~/.ssh/id_rsa. Press Enter & fill passphrase
cat ~/.ssh/id_rsa.pub
  • display public key to consume futher

Creating Repositories

git init
  • creates a new local repository

Cloning a Repository

git clone [url]
  • Downloads the project with its history

Making Changes

git status
  • status of your working directory
git add [file]
  • adds the file to staging area
git add .
  • add all files to staging area
git commit -m "[message]"
  • records snapshot in version history
git reset [file]
  • unstage the file but preserves its changes

Branching

git branch
  • list all local branches in current repository
git branch -r
  • list all remote branches in current repository
git branch [branch name]
  • creates a new local branch
git checkout -b [branch name]
  • creates and checkout new local branch
git branch -d [branch name]
  • deletes a local branch

Working With Remote

git remote update origin
  • updates history of remote branches
git pull
  • fetch all the changes from remote and merge them in local branch
git push -u origin [branch name]
  • creates a new branch in remote and sets the tracking with local branch
git push origin --delete [branch name]
  • deletes a remote branch
git push origin [branch name]
  • pushes local changes to remote branch

Merging & Rebasing

git merge [branch name]
  • merge changes from the specified branch into current branch
git mergetool
  • initialize merge tool in case of conflicts
git rebase [branch name]
  • rebase current branch on the specified branch

GUI Commands

git gui
  • opens the basic gui for git
gitk
  • shows history tree for current branch
gitk --all
  • shows history tree for whole repository

Tags

git tag
  • list all the available tags
git tag -l "v1.0.*"
  • search for the tags(allow us to use wildcard characters)
git tag -a v1.x -m "tagging message"
  • creates an annoated tag
git tag v1.x
  • creates a lightweight tag
git show v1.x
  • shows a tag
git tag v1.x <commit>
git tag -a v1.x <commit>
  • allows us to add tag later

Useful Tips & Tricks

  • Delete all merged local branches
git branch --merged | egrep -v "(^\*|master|dev)" | xargs git branch -d

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This reference guide summarizes commonly used Git command line instructions for quick reference

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