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Add a couple of exercises (#214)

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Also fixed the link for kubernetes exercises.
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Arie Bregman
2022-04-06 21:47:12 +03:00
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exercises/git/README.md
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@ -1,4 +1,6 @@
## Git
# Git
## Exercises
|Name|Topic|Objective & Instructions|Solution|Comments|
|--------|--------|------|----|----|
@ -6,6 +8,8 @@
| Time to Branch | Branch | [Exercise](exercises/git/branch_01.md) | [Solution](exercises/git/solutions/branch_01_solution.md) | |
| Squashing Commits | Commit | [Exercise](exercises/git/squashing_commits.md) | [Solution](exercises/git/solutions/squashing_commits.md) | |
## Questions
<details>
<summary>How do you know if a certain directory is a git repository?</summary><br><b>
@ -56,6 +60,14 @@ There are different ways to check whether a file is tracked or not:
<summary>What <code>git status</code> does?</summary><br><b>
</b></details>
### Branches
<details>
<summary>True or False? A branch is basically a simple pointer or reference to the head of certain line of work</summary><br><b>
True
</b></details>
<details>
<summary>You have two branches - main and devel. How do you make sure devel is in sync with main?</summary><br><b>
@ -67,10 +79,28 @@ git merge main
```
</b></details>
#### Git - Merge
<details>
<summary>Describe shortly what happens behind the scenes when you run <code>git branch <BRANCH></code></summary><br><b>
Git runs update-ref to add the SHA-1 of the last commit of the branch you're on into the new branch you would like to create
</b></details>
<details>
<summary>You have two branches - main and devel. How do you put devel into main?</summary><br><b>
<summary>When you run <code>git branch <BRANCH></code> how does Git know the SHA-1 of the last commit?</summary><br><b>
Using the HEAD file: `.git/HEAD`
</b></details>
<details>
<summary>True or False? when you <code>git checkout some_branch</code>, Git updates .git/HEAD to <code>/refs/heads/some_branch</code></summary><br><b>
True
</b></details>
### Merge
<details>
<summary>You have two branches - main and devel. How do you merge devel into main?</summary><br><b>
git checkout main
git merge devel
@ -125,7 +155,7 @@ is currently pointing at.
</p>
</b></details>
#### Git - Rebase
### Rebase
<details>
<summary>You would like to move forth commit to the top. How would you achieve that?</summary><br><b>
@ -198,3 +228,11 @@ If you would like to also discard the changes you `git reset --hard``
False. If you would like to keep a file on your filesystem, use `git reset <file_name>`
</b></details>
## References
<details>
<summary>How to list the current git references in a given repository? </summary><br><b>
`find .git/refs/`
</b></details>