feat: use switch instead of checkout

GIT-CHEATSHEET.md

@@ -117,24 +117,19 @@ git branch -D <branch-name>
 Force delete a branch (even if not merged).
 
 ```bash
-git checkout <branch-name>
+git switch <branch-name>
 ```
 Switch to a different branch.
 
 ```bash
-git checkout -b <branch-name>
+git switch -c <branch-name>
 ```
 Create a new branch and switch to it in one command.
 
 ```bash
-git switch <branch-name>
+git switch -
 ```
-Modern command to switch branches (alternative to checkout).
-
-```bash
-git switch -c <branch-name>
-```
-Create a new branch and switch to it (alternative to checkout -b).
+Switch back to the previous branch.
 
 ### Merging
 
@@ -162,6 +157,23 @@ git commit
 ```
 Stage resolved files and complete the merge.
 
+### Restoring Files
+
+```bash
+git restore <file>
+```
+Discard changes in working directory (restore from last commit).
+
+```bash
+git restore --staged <file>
+```
+Unstage a file (remove from staging area but keep changes).
+
+```bash
+git restore --source=<commit> <file>
+```
+Restore a file to its state in a specific commit.
+
 ---
 
 ## Advanced
@@ -420,7 +432,8 @@ Automatically test commits using a script to find the bad commit.
 
 ### Undoing Changes
 
-- **Haven't committed yet?** Use `git checkout -- <file>` or `git restore <file>` to discard changes
+- **Haven't committed yet?** Use `git restore <file>` to discard changes
+- **Staged but want to unstage?** Use `git restore --staged <file>`
 - **Committed to wrong branch?** Use `git cherry-pick` to copy the commit to the right branch
 - **Want to change last commit message?** Use `git commit --amend`
 - **Pushed to remote already?** Use `git revert` (not reset) to safely undo
@@ -459,7 +472,7 @@ Each workshop module focuses on specific commands:
 
 - **Module 01**: init, add, commit, status
 - **Module 02**: log, show, diff
-- **Module 03**: branch, checkout/switch
+- **Module 03**: branch, switch
 - **Module 04**: merge (fast-forward and three-way)
 - **Module 05**: merge (conflict resolution)
 - **Module 06**: rebase

module-03-branching/README.md

@@ -4,8 +4,8 @@
 
 In this module, you will:
 - Understand what a branch is in Git
-- Create new branches using `git branch` or `git checkout -b`
-- Switch between branches using `git checkout` or `git switch`
+- Create new branches using `git branch` or `git switch -c`
+- Switch between branches using `git switch`
 - View all branches with `git branch`
 - Understand that branches allow parallel development
 
@@ -38,19 +38,18 @@ Your goal is to create a feature branch, make commits on it, and understand how
 
 1. Navigate to the challenge directory: `cd challenge`
 2. View existing branches: `git branch`
-3. Create and switch to new branch: `git checkout -b feature-login`
+3. Create and switch to new branch: `git switch -c feature-login`
 4. Create `login.py` with any content you like
 5. Stage and commit: `git add login.py` and `git commit -m "Add login functionality"`
 6. Modify `login.py`, then commit again
-7. Switch back to main: `git checkout main`
+7. Switch back to main: `git switch main`
 8. Run `ls` and notice that `login.py` doesn't exist on main!
-9. Switch back to feature-login: `git checkout feature-login`
+9. Switch back to feature-login: `git switch feature-login`
 10. Run `ls` again and see that `login.py` is back!
 
 > **Important Notes:**
-> - You can use either `git checkout` or `git switch` to change branches
-> - `git checkout -b <name>` creates and switches in one command
-> - `git switch -c <name>` is the newer equivalent
+> - Use `git switch` to change branches (modern Git command)
+> - `git switch -c <name>` creates and switches in one command
 > - Branches are independent - files in one branch don't affect another until you merge
 > - You can switch between branches as many times as you want
 
@@ -66,10 +65,9 @@ Your goal is to create a feature branch, make commits on it, and understand how
 ```bash
 git branch                   # List all branches (* shows current)
 git branch <name>            # Create a new branch
-git checkout <branch>        # Switch to an existing branch
-git checkout -b <name>       # Create and switch to new branch
-git switch <branch>          # Switch to a branch (newer syntax)
-git switch -c <name>         # Create and switch (newer syntax)
+git switch <branch>          # Switch to an existing branch
+git switch -c <name>         # Create and switch to new branch
+git switch -                 # Switch back to previous branch
 git branch -d <name>         # Delete a branch (we won't use this yet)
 ```
 

module-04-merging/README.md

@@ -43,10 +43,10 @@ This challenge has two parts that teach you about the two types of merges in Git
 3. View existing branches: `git branch -a`
 4. Merge feature-api: `git merge feature-api`
 5. View the log: `git log --oneline --graph`
-6. Create feature-ui branch: `git checkout -b feature-ui`
+6. Create feature-ui branch: `git switch -c feature-ui`
 7. Create a new file `ui.py` and commit it
 8. Make another commit on feature-ui (modify ui.py)
-9. Switch back to main: `git checkout main`
+9. Switch back to main: `git switch main`
 10. Make a change on main (modify api.py) and commit it
 11. Merge feature-ui: `git merge feature-ui`
 12. View the merge history: `git log --oneline --graph --all`

module-06-rebasing/README.md

@@ -86,7 +86,7 @@ git rebase --abort
 git branch
 
 # Switch to a branch
-git checkout <branch-name>
+git switch <branch-name>
 ```
 
 ## Verification

module-08-cherry-pick/README.md

@@ -112,7 +112,7 @@ The verification will check that:
 2. You're currently on the development branch
 3. View the commits: `git log --oneline`
 4. You'll see several commits - identify the bug fixes
-5. Switch to main branch: `git checkout main`
+5. Switch to main branch: `git switch main`
 6. Cherry-pick the bug fix commits (you'll need their commit hashes)
 7. Verify the result with `git log --oneline`
 8. Run the verification script
@@ -131,7 +131,7 @@ The verification will check that:
 ### Hotfix to Production
 You have a critical bug fix on a development branch that needs to go to production immediately:
 ```bash
-git checkout production
+git switch production
 git cherry-pick <bugfix-commit-hash>
 ```
 
@@ -141,17 +141,17 @@ You accidentally committed on the wrong branch:
 # On wrong branch, note the commit hash
 git log --oneline
 # Switch to correct branch
-git checkout correct-branch
+git switch correct-branch
 git cherry-pick <commit-hash>
 # Go back and remove from wrong branch
-git checkout wrong-branch
+git switch wrong-branch
 git reset --hard HEAD~1
 ```
 
 ### Backporting
 You need to apply a fix to an older release branch:
 ```bash
-git checkout release-2.0
+git switch release-2.0
 git cherry-pick <fix-from-main>
 ```
 

module-09-reset-vs-revert/README.md

@@ -135,7 +135,7 @@ The verification will check that:
 2. You're on the local-feature branch with a bad commit
 3. View commits: `git log --oneline`
 4. Use `git reset --hard HEAD~1` to remove the bad commit
-5. Switch to shared-feature: `git checkout shared-feature`
+5. Switch to shared-feature: `git switch shared-feature`
 6. View commits: `git log --oneline`
 7. Find the hash of the "Add broken feature" commit
 8. Use `git revert <commit-hash>` to undo it safely

module-10-stash/README.md

@@ -121,10 +121,10 @@ The verification will check that:
 3. Check status: `git status` (you'll see modified files)
 4. Stash your changes: `git stash save "WIP: login feature"`
 5. Verify working directory is clean: `git status`
-6. Switch to main: `git checkout main`
+6. Switch to main: `git switch main`
 7. View the bug in app.js and fix it (remove the incorrect line)
 8. Commit the fix: `git add app.js && git commit -m "Fix critical security bug"`
-9. Switch back to feature: `git checkout feature-login`
+9. Switch back to feature: `git switch feature-login`
 10. Restore your work: `git stash pop`
 11. Complete the feature (the TODOs in login.js)
 12. Commit your completed feature
@@ -147,9 +147,9 @@ The verification will check that:
 ```bash
 # Working on feature, need to switch to main
 git stash
-git checkout main
+git switch main
 # Do work on main
-git checkout feature
+git switch feature
 git stash pop
 ```
 
@@ -176,10 +176,10 @@ git stash pop  # Restore original work
 ```bash
 # Same fix needed on multiple branches
 git stash
-git checkout branch1
+git switch branch1
 git stash apply
 git commit -am "Apply fix"
-git checkout branch2
+git switch branch2
 git stash apply
 git commit -am "Apply fix"
 git stash drop  # Clean up when done

module-11-remotes/README.md

@@ -134,7 +134,7 @@ The verification will check that:
 2. You'll find a simulated "remote" repository
 3. Clone it: `git clone remote-repo local-repo`
 4. Navigate into your clone: `cd local-repo`
-5. Create and switch to a feature branch: `git checkout -b add-feature`
+5. Create and switch to a feature branch: `git switch -c add-feature`
 6. Make changes to the project (add a new feature to app.js)
 7. Commit your changes
 8. Push to remote: `git push -u origin add-feature`
@@ -185,20 +185,20 @@ Safer than pull because it doesn't automatically merge
 ### Daily Work Flow
 ```bash
 # Start of day: get latest changes
-git checkout main
+git switch main
 git pull origin main
 
 # Create feature branch
-git checkout -b my-feature
+git switch -c my-feature
 
 # Do work, make commits
 git add .
 git commit -m "Add feature"
 
 # Before pushing, update with latest main
-git checkout main
+git switch main
 git pull origin main
-git checkout my-feature
+git switch my-feature
 git merge main
 
 # Push your feature
@@ -223,7 +223,7 @@ git remote add upstream <original-repo-url>
 
 # Get latest from upstream
 git fetch upstream
-git checkout main
+git switch main
 git merge upstream/main
 
 # Push to your fork