Github command collection

Github.md

LOCAL MACHINE CONFIGURATION:

1. --local local to that repository only
2. --global global to that machine

Set email

git config --global user.email "mail@example.com"`

Set username

git config --global user.name "your_user_name"

Automatically prune during fetch/pull

git config remote.origin.prune true

REPOSITORY FORMAT:

https://github.com/[username]/[repository-name].git

CLONING AN EXISTING REPOSITORY

git clone https://github.com/[username]/[repository-name].git

INITIALIZING A NEW REPOSITORY

git init
git add .
git commit -m "first commit"
git remote add origin https://github.com/[username]/[repository-name].git
git push -u origin master

PUSH TO AN EXISTING REPOSITORY

git remote add origin https://github.com/[username]/[repository-name].git
git push -u origin master

CREATE BRANCH

1. -b if not exists create a new one

git checkout -b [branch name]

SEE BRANCH LIST

1. -a local
2. -r remote

git branch -a

SYNC BRANCH BETWEEN LOCAL AND REMOTE

git fetch --all --prune

CHANGE BRANCH

git checkout [branch name]

MERGE BRANCH

git checkout [main branch]

merge another branch to master 1.--no-ff keep track who did the merge 2. Add an optional commit message using this commands

git merge --no-ff [branch name]

COMPARE TWO BRANCH

git diff branch_1...branch_2

DELETE BRANCH

1. -d means --delete only deletes the branch if it has already been fully merged in its upstream branch
2. -D means --delete --force deletes the branch irrespective of its merged status

git branch -d branch_name
git branch -D branch_name

or

git push <remote_name> :<branch_name>
Ex. git push origin :branch-name-to-delete

Then use sync command to update branch list with remote.

COMMIT

undo last commit

git reset HEAD~

remove all local commit

git reset --hard origin/<branch-name>

GIT EDITOR (vim)

press "i"
write your merge message
press "esc"
write ":wq"
then press enter

OTHERS

shows SHA1 id and branch names

git remote --heads origin

IF ACCIDENTALLY PUSHED SECRET INFORMATION TO GITHUB

follow this instruction step by step