Some Git Quick Command Line Action Reference

Create new repository:

git init

Add remote repository url:

git remote add origin [url-to-repository]

Set remote repository url:

git remote set-url origin [url-to-repository]

Get current remote repository url:

git config --get remote.origin.url

Be sure to know which one to use!!

git reset [--soft|--mixed|--hard|--merge|--keep]

Add Sub-Module/Sub-Repo:

git submodule add [url-to-repository]

Update Sub-Module/Sub-Repo:

git submodule update

Remove reference to a Sub-Module:

git rm -rf --cached [folder-name]

Creates a new local branch:

git checkout -b [branch-name]

Switch to branch:

git checkout [branch-name]

Delete local branch:

git branch -d [branch-name]

Delete local branch(FORCED):

git branch -D [branch-name]

Pushes the current branch, -u sets also the pull branch:

git push -u origin [branch-name]

See the list of your branches:

git branch

Add all new files:

git add -A

Commit changes:

git commit -m"[Your message here]"

Commit changes as someone else(blame - not really):

git commit -m"[Your message here]" --author="John Doe <john@doe.com>"

Push Commits:
git push

If when checking you git status you see "Head detached from xxxxx" using the following is the simplest solution:

git config --global push.default simple

Fetch remote commits:
git fetch

Update local copy:
git pull

Create Tag:

git tag your-tag-label

Push tag: (Use -f to override existing tags in the remote repo)

git push origin ["your tag label"] -f

I know there are far more commands, but as a starting point this is a good collection of actions.

If you have some common commands you use that I've left out, let me know.