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Git

Information Technology > Version control

Description

Git is a powerful tool used for version control, allowing multiple people to work on the same project without overwriting each other's changes. It tracks modifications and can revert to previous versions if needed, enhancing collaboration and reducing errors. Git skills range from basic tasks like creating and cloning repositories, committing changes, and pushing updates, to more advanced functions like resolving merge conflicts, rebasing, and setting up a Git server. Expertise in Git involves understanding its internals, customizing its behavior, and troubleshooting complex issues. Mastering Git significantly improves efficiency and productivity in software development.

Expected Behaviors

✎
LEVEL 1

Fundamental Awareness

At the fundamental awareness level, individuals should have a basic understanding of what Git is and the purpose it serves. They should be able to recognize some basic Git commands but may not yet be comfortable using them in practice.

🌱
LEVEL 2

Novice

Novices should be able to perform basic Git operations such as creating and cloning repositories, adding and committing changes, and pushing and pulling updates from remote repositories. They should also be able to check the status of their repository.

🌍
LEVEL 3

Intermediate

Intermediate users should be proficient with branching and merging, resolving merge conflicts, and reverting or resetting commits. They should know how to use .gitignore files and stash changes, and they should understand the importance of tagging specific points in history.

⭐
LEVEL 4

Advanced

Advanced users should be comfortable with more complex operations like cherry-picking commits, rebasing and interactive rebasing, and working with remotes. They should be able to use advanced logging, find bugs with git bisect, and configure git aliases for command shortcuts.

🏆
LEVEL 5

Expert

Experts should have a deep understanding of Git, including its internals. They should be able to write custom git hooks, set up a git server, perform complex git filter-branch operations, troubleshoot complex issues, and customize git's behavior with configuration.

Micro Skills

✎
LEVEL 1

Fundamental Awareness

Knowing the definition of Git
Recognizing Git as a distributed version control system
Understanding the basic concept of repositories in Git
Understanding the need for tracking changes in code
Recognizing the benefits of version control systems
Identifying scenarios where version control is necessary
Identifying the 'git init' command
Recognizing the 'git add' command
Understanding the use of 'git commit'
Knowing the purpose of 'git push'
Identifying the 'git pull' command
🌱
LEVEL 2

Novice

Understanding the init command
Creating a new directory for the repository
Running git init in the new directory
Understanding the purpose of the .git directory
Knowing what files and directories are created by git init
Knowing what the clone command does
Recognizing the syntax of the clone command
Finding the URL of the remote repository
Running the git clone command with the URL
Specifying a directory name as an argument to git clone
Understanding how git clone creates a new directory
Knowing what the add command does
Recognizing the syntax of the add command
Selecting files to add using the command line
Understanding the commit command
Writing a commit message
Running the git commit command
Knowing the importance of good commit messages
Following best practices for writing commit messages
Knowing what the push command does
Recognizing the syntax of the push command
Identifying the remote repository to push to
Running the git push command
Understanding why pushes can be rejected
Knowing how to resolve common issues that cause rejected pushes
Knowing what the pull command does
Recognizing the syntax of the pull command
Identifying the remote repository to pull from
Running the git pull command
Understanding how git merge works
Resolving merge conflicts if they occur
Knowing what the status command does
Recognizing the syntax of the status command
Interpreting the output of git status
Knowing how to check the status of specific files
Understanding the meaning of different status indicators
Knowing how to act based on the status of your files
🌍
LEVEL 3

Intermediate

Understanding the purpose of branches
Using the git branch command to create a new branch
Naming conventions for branches
Using the git checkout command to switch branches
Understanding what happens to your working directory when you switch branches
Understanding fast-forward merges versus 3-way merges
Dealing with merge conflicts
Using the git branch -d or -D command to delete a branch
Understanding when it's safe to delete a branch
Recognizing the error message that indicates a merge conflict
Finding the files where the conflict occurred
Recognizing the '<', '=', and '>' markers
Knowing which changes come from which branch
Choosing which changes to keep
Removing the conflict markers
Adding the resolved files with git add
Committing the resolution with git commit
Understanding the difference between git revert and git reset
Using the git revert command
Understanding the difference between --soft, --mixed, and --hard options
Using the git reset command
Understanding the purpose of .gitignore
Creating a new .gitignore file
Specifying patterns of files to ignore
Using the git add -f command
Understanding when it's appropriate to force git to track an ignored file
Understanding the purpose of git stash
Using the git stash command
Using the git stash apply command
Understanding what happens to your working directory when you apply a stash
Using the git stash drop command
Understanding when it's safe to drop a stash
Using the git stash list command
Understanding the output of git stash list
Understanding the purpose of annotated tags
Using the git tag -a command
Understanding the purpose of lightweight tags
Using the git tag command without the -a option
Using the git tag command with no arguments
Understanding the output of git tag
Using the git push --tags command
Understanding when it's appropriate to push tags
⭐
LEVEL 4

Advanced

Understanding the concept of cherry-picking
Identifying the commit hash to be cherry-picked
Executing the git cherry-pick command
Resolving conflicts during cherry-picking
Understanding the difference between merge and rebase
Performing a basic rebase
Performing an interactive rebase
Squashing commits during interactive rebase
Resolving conflicts during a rebase
Adding a new remote repository
Removing an existing remote repository
Renaming a remote repository
Fetching data from remote repositories
Pushing data to remote repositories
Using git log with different options
Filtering git log output
Formatting git log output
Understanding the concept of binary search in Git
Starting a bisect session
Marking commits as good or bad
Navigating through commits using bisect
Ending a bisect session
Understanding the concept of git aliases
Creating a new git alias
Listing all available git aliases
Removing an existing git alias
🏆
LEVEL 5

Expert

Understanding the purpose of git hooks
Knowing when to use client-side and server-side hooks
Creating a pre-commit hook
Creating a post-commit hook
Creating a pre-push hook
Creating a post-receive hook
Testing and debugging git hooks
Installing git on a server
Creating a bare repository
Configuring SSH access for git
Managing user access
Setting up a web interface
Setting up automated deployment with git hooks
Understanding the .git directory structure
Knowing how objects, trees, and commits are stored
Understanding the HEAD, index, and working directory
Knowing how branches and tags are implemented
Understanding the packfile format
Knowing how git garbage collection works
Understanding the purpose of git filter-branch
Using git filter-branch to change authorship
Using git filter-branch to remove sensitive data
Using git filter-branch to rewrite large amounts of history
Troubleshooting issues with git filter-branch
Using git reflog to recover lost commits
Understanding detached HEAD state and how to fix it
Recovering from upstream rebase
Resolving complex merge conflicts
Fixing broken repositories
Understanding git config levels (system, global, local)
Changing default branch name
Setting up aliases
Configuring color output
Setting up custom diff and merge tools
Automating tasks with git hooks

Skill Overview

  • Expert2 years experience
  • Micro-skills151
  • Roles requiring skill38

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