It creates a new Git repository. It can be used to convert an existing, unversioned project to a Git repository or initialize a new, empty repository.
clone: copying the remote server repository to your local machine.
pull: get new changes other have added to your local machine.
pull = clone + merge。
3.1 git remote add origin https://.....git
Add a new remote repository.
origin:：remote repository name, by default is origin and can be user-defined.
https://.....git:：remote repository URL.
3.2 git remote update origin
Update remote repository information.
git branch -D: delete a branch.
local_branch_name：local branch name.
remote_branch_name：remote branch name.
origin: the same name when you use the "git remote add".
Use git stash when you want to record the current state of the working directory and the index, but want to go back to a clean working directory.
# before checkout
git add .
git stash
# after checkout
git stash pop
git config --global color.status auto
git config --global color.diff auto
git reset file_name
git lfs install：initialize git lfs.
git lfs track：track files.
git lfs ls-files：list all tracked files.
git lfs pull --include "a.dat"：only download certain lfs file.
git reflog will output the reflog of the HEAD ref
git reflog --date=iso: list with time.
git reset is a powerful command that is used to undo local changes to the state of a Git repo.
git reset --hard b8cc0e3
The git push command is used to upload local repository content to a remote repository.
git push origin local_branch_name:remote_branch_name
git push -f: force push
git push origin --force: force push
The git merge command lets you take the independent lines of development created by git branch and integrate them into a single branch.
git merge branch_name
git merge --squash branch_name: squash all commits in branch_name to one commit.
It changes the base of the developer's branch from one commit to another.
git rebase -i commit_hash
Fetch the remote branch and override the local branch.
git fetch --all
git reset --hard origin/XXXX_XXXX