github-commands

#initialize github repo in a dir
git init

#add file or change to versioning
git add <file-path>

#add all files in dir (recursively) to versioning
git add -A

#commit changes locally
git commit -m "message"

#link local repository (origin) with remote; this is made once, on the beginning
git remote add origin <repo-url>

#send local changes to server, to the master branch
git push origin master

#view all branches
git branch -va

#create a new branch with content of current branch
git checkout -b <name-of-branch>

#viewing commit history
git log

#changing the most recent and still not pushed commit
git commit --amend -m "New commit message."

#amending last change to commit without changing message
git commit --amend --no-edit

#removing last commit (including files and all state)
git reset --hard HEAD^

#resetting to old commit
git reset --hard <old-commit-id>

#changing remote repo to new location
git remote set-url origin <git url>

#merge with master
git checkout master
git merge <branch-to-be-merged>
git push origin master

# delete branch locally
git branch -d <local-branch-name>
# delete branch remotely
git push origin --delete <remote-branch-name>