GIT

Configure GIT

git config --global user.name " Your Name"

git config --global user.email "name@email.com"

List Configurations

git config --global --list

Add Files to GIT

git add <ilename>
Adds all files including untracked ones.
git add -A

git status
git commit -m "comment"

Add (stage) the modified files

git add -u
(Only add updated files)

Look at the History

git log

View Changes

git diff dd6819..a15ec6

View Changes without SHA1 hash

git diff HEAD~1..HEAD
Below git assumes its HEAD
git diff HEAD~1..

Delete Files

rm <finename>
git add -u

Rename Files

mv <filename> <filename>
git add -A

Revert File Changes 

For Individual Files

git checkout <filename>

For Multiple Files

git reset --hard

Remove the Last commit and Move it to the staging area.

git reset --soft HEAD~1

(Moves the HEAD back and discard all the changes)
git reset --hard HEAD~1

Clean the Repository

Shows the files to be cleaned
git clean -n

Cleans the repository
git clean -f

GIT ignore File

.gitignore file content
/logs/*.txt
temp/
/deploy

View GIT Commit History

git log

Condense version

git log --oneline

Find no of commits in the repository

git log --oneline | wc -l

Shows different branches and merges that have happend

git log --oneline --graph

List the Authors and Commit messages of each of them

git shortlog

Summery / Ordered by Number of Commits with e-mail

git shortlog -sn

Details of the last commit

git show HEAD
Shows the commit before the last commit
git show HEAD~1

Use the SHA to display
git show 5642626

Remote Repositories

git remote

the output would be 'origin'. The 'origin' is the default name for where the source came from.

show the URI

git remote -v

Remove Remote URL

git remote rm upstream

Branches and Tags

Display the branches in the repository

git branch

Display the Remote branches in the repository

git branch -r

Tags

Stable points of the repository

git tag

Added Remote Repository to the Local Repository

git remote add origin <URI>

Fetching Changes for a Remote

git fetch

For multiple remotes

git fetch orgin

View Commit Log of the Remote Repository

git log origin/master

Merge The Changes

git merge origin/master

Branches

View Branch details

git log --graph --oneline --all --decorate

Added Alias

git config --global alias.lga "log --graph --oneline --all --decorate"

Create a new branch

git branch feature-1

Switch a Branch

git checkout feature-1

Create a branch with specific commit

git branch fix-1 974b56a

Rename & Delete Branches

git branch -m <branch name> <new name>

git branch -d <branch name>

Force Delete

git branch -D <branch name>

Find Where the HEAD has pointed

git reflog

Save Current Changes as STASH

git stash

git stash list

git stash apply

Merging

git merger fix-1