The most commonly used Git commands

Common

Init a repo or reinit a exist repo.

git init

Add the track files.

git add .

Commit the change:

git commit

git commit -m "the commit message"

Check the log ,you can input this command and see the commit hash.

git log --oneline

Branch

Switch the branch:

git checkout <new-branch-name>

This command creates a new branch based on your current branch (e.g., main) and switches to the new branch.

git checkout -b <new-branch-name>

Rename current branch:

git branch -m <new-branch-name>

Merged the branch and delete it

git branch -d <branch-name>

Completely roll back to a specific commit and delete any local changes after that commit.

git reset --hard <commit-hash>

Force-push this reset to GitHub:

git push --force origin main

Warning: Force-pushing rewrites history, so be cautious as this could affect other contributors.

Remote

Add a Remote Repo:

git remote add origin https://github.com/username/repo.git

Delete a Remote Repo:

git remote remove origin

Fetch it without touching your files

git fetch origin

Prefer your local changes:

git merge --allow-unrelated-histories -X ours origin/main

Prefer remote changes:

git merge --allow-unrelated-histories -X theirs origin/main