Basic Git commands

本文提供了一系列基本的Git命令,包括创建本地仓库、检出代码、添加文件、提交更改、推送代码到远程仓库等核心操作,旨在帮助初学者快速掌握版本控制的基本技能。

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Here is a list of some basic Git commands to get you going with Git.

For more detail, check out the Atlassian Git Tutorials for a visual introduction to Git commands and workflows, including examples.

 

Git taskNotesGit commands

Create a new local repository

 
git init

Check out a repository

Create a working copy of a local repository:
git clone /path/to/repository
For a remote server, use:
git clone username@host:/path/to/repository

Add files

Add one or more files to staging (index):
git add <filename>

git add *

Commit

Commit changes to head (but not yet to the remote repository):
git commit -m "Commit message"
Commit any files you've added with git add, and also commit any files you've changed since then:
git commit -a

Push

Send changes to the master branch of your remote repository:
git push origin master
StatusList the files you've changed and those you still need to add or commit:
git status

Connect to a remote repository

If you haven't connected your local repository to a remote server, add the server to be able to push to it:

git remote add origin <server>
List all currently configured remote repositories:git remote -v

Branches

Create a new branch and switch to it:
git checkout -b <branchname>
Switch from one branch to another:
git checkout <branchname>
List all the branches in your repo, and also tell you what branch you're currently in:
git branch
Delete the feature branch:
git branch -d <branchname>
Push the branch to your remote repository, so others can use it:
git push origin <branchname>
Push all branches to your remote repository:
git push --all origin
Delete a branch on your remote repository:
git push origin :<branchname>

Update from the remote repository

 

Fetch and merge changes on the remote server to your working directory:
git pull
To merge a different branch into your active branch:
git merge <branchname>

View all the merge conflicts:

View the conflicts against the base file:

Preview changes, before merging:

git diff

git diff --base <filename>

git diff <sourcebranch> <targetbranch>
After you have manually resolved any conflicts, you mark the changed file:
git add <filename>

Tags

You can use tagging to mark a significant changeset, such as a release:
git tag 1.0.0 <commitID>
CommitId is the leading characters of the changeset ID, up to 10, but must be unique. Get the ID using:
git log
Push all tags to remote repository:
git push --tags origin

Undo local changes

If you mess up, you can replace the changes in your working tree with the last content in head:

Changes already added to the index, as well as new files, will be kept.

git checkout -- <filename>
Instead, to drop all your local changes and commits, fetch the latest history from the server and point your local master branch at it, do this:
git fetch origin

git reset --hard origin/master

Search

Search the working directory for foo():git grep "foo()"
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### SuStaIn Project Git Repository and Operations For the SuStaIn (Sustained Simulation Performance) project, accessing its resources through a Git repository allows researchers and developers to collaborate effectively on improving simulation performance sustainability. To interact with this specific project's repository, one would typically use commands similar to those used for other repositories hosted on platforms like GitHub. To clone the SuStaIn project’s repository, assuming it is available publicly on GitHub under an organization named `sustain-project`, the command structure follows: ```bash git clone https://github.com/sustain-project/SuStaIn.git ``` This operation creates a local copy of the remote repository, enabling users to work offline, commit changes locally, and push updates back to the server when necessary[^1]. Additionally, common operations within any cloned Git repository include pulling latest changes from the remote branch, adding new files to staging area, committing these staged changes along with descriptive messages about modifications made, and pushing committed changes upstream. ```bash # Update your local repo with the most recent commits from origin/master git pull origin master # Stage all modified/tracked files for next commit git add . # Commit staged changes with message git commit -m "Your detailed change description here" # Push local commits up to remote repository git push origin master ``` These basic Git workflows facilitate collaboration among team members working on projects such as SuStaIn by ensuring that everyone has access to current versions of codebase while maintaining history tracking of contributions.
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