To initialize a new local repo.
$ git init
To add newly created files to staging
$ git add <file-name> or . for all new files.
To clone a repo
$ git clone <name of the remote repo> # you can also specify which directory you want it to go to.
To reset a file to an earlier commit: lets say you made changes you unintensionally.
$ git checkout <head of the commit> -- <file-path> <file-path>
To commit without message and not edit current commit message
$ git commit -a --amend --no-edit # -a is to add new changes to currrent commit.
To switich from one branch to another
$ git checkout <branch-name>
To switch from one branch to a new branch in one line
$ git checkout -b <new-branch-name>
To rename a branch both locally and remote: say on github
$ git branch -m old-branch-name new-branch-name
$ git push origin :old-branch-name new-branch-name
To update the current branch
$ git fetch
To check which branches have been merged to a current branch
$ git branch --merged
To check which branches have not been to merged to a current branch
$ git branch --no-merge
To check if a particular branch is merged to a current branch
$ git branch --merged <branch-name> # you can also specify a HEAD
To remove files from a tree.
$ git rm --cached </path/file-name> # for a single file.
$ git rm --cached /path/directory/ # for a directory/folder
To check difference between master and feature branch
$ git log --graph --all --decorate --oneline
To delete a remote branch and local branch respectively
$ git push origin --delete feature/login
$ git branch -d feature/login
To delete merged branches except master/develop
$ git branch --merged| egrep -v "(^\*|master|develop)"