git

git config --global --list
git config --local --list
git config --system --list

git config --get remote.origin.url

git rm -r --cached .
git add .
git commit -m "fixed untracked files"

git reset --hard HEAD

git reset --hard HEAD^
git reset --hard HEAD~1

git reset --hard HEAD~2

// delete branch locally
git branch -d localBranchName

// delete branch remotely
git push origin --delete remoteBranchName

git credential --help

git merge --strategy-option theirs <feature-branch> staging

git merge -X theirs staging <bug-fix>