gitcommand.txt

git init -- initialize a repo
git add -A -- adds everything(new/modified) to staging
git add <filename> adds single file to staging
git add . --adds everything(new/modified) to staging

git commit -m "message" -- commit staged changes
git commit -am "message" -- commit from modified area without staging

git log -- get commit history on the branch
git log --oneline --graph --decorate -- to see branch history as a graph

git diff head~1..head --diff between last two commits
git diff commitid..commitid --diff between any two commits

git branch <branchname> <source> --creates branch
git checkout <branchname> -- checkout branch
git checkout -b <branchname> <source> -- create branch and checkout
git branch -d <branchname> --deletes a branch if there is no pending merges
git branch -D <branchname> --deletes a branch even if there is pending merges
git branch --all

git remote add origin <url of github repo>
git push -u origin master -- sets upstream for master and pushes master to remote
git push -- subsequent pushes from branch

git push -u origin <branchname> -- sets upstream for branch and pushes branch to remote

git fetch/git merge or git pull -- get changes from remote

git branch -d <branch name> --deletes a branch if it has no pending merges

git branch -D <branch name> --deletes a branch even if it has pending merges

git push origin :<branchname> --deletes remote branch