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Mod 0 Session 3 Practice Tasks
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mod_0_session_3_practice_tasks.md

Session 3 Practice Tasks

The assignments listed here should take you approximately 25 total minutes.

To start this assignment, click the button in the upper right-hand corner that says Fork. This is now your copy of the document. Click the Edit button when you're ready to start adding your answers. To save your work, click the green button in the bottom right-hand corner. You can always come back and re-edit your gist.

1. Creating Files and Directories (10 min)

Need help? You can go back to the files/directories portion of the lesson here.

Scroll down to the bottom of this page and look at the image of the directories and files. Use commands in your terminal to create the directories and files structured exactly how they appear in the image.

When you're done, type history to see your commands. Copy and paste the commands that were used to create the directory and files:

mkdir session_3_practice
cd session_3_practice
  111  mkdir notes
  112  cd session_3_practice
  113  cd ..
  114  ls
  115  cd session_3_practice
  116  ls
  117  cd notes
  118  ls
  119  cd notes
  120  touch git_notes.txt
  121  touch command_line_notes.txt
  122  cd notes
  123  cd ..
  124  ls
  125  ls notes
  126  cd session_3_practice
  127  cd ..
  128  ls
  129  cd session_3_practice
  130  mkdir practice
  131  cd practice
  132  touch git_practice.txt
  133  cd practice
  134  cd ..
  135  ls
  136  cd practice
  137  mkdir projects
  138  touch game.js
  139  history

Since this is just a practice directory, feel free to remove the parent directory session_3_practice when you're done with this exercise.

2. Git Practice (15 min)

You can reference the files/directories portion of the lesson here.

Follow the steps below to practice the git workflow. Be ready to copy-paste your terminal output as confirmation of your practice.

  1. Create a directory called git_homework. Inside of there, create a file called quotes.txt.
  2. Initialize the directory
  3. Check the git status
  4. Add your quotes.txt file to the staging area
  5. Check the git status
  6. Create an initial commit
  7. Check the status
  8. Add your favorite quote to the quotes.txt file
  9. Check the status
  10. Check the diff
  11. Add the changes to the staging area
  12. Commit the new changes
  13. Check the status
  14. Show the log in oneline format

Copy and paste all of the terminal text from this process below (not just the history):

Julians-MacBook-Pro:~ julianenochs$ mkdir git_homework
Julians-MacBook-Pro:~ julianenochs$ cd git_homework
Julians-MacBook-Pro:git_homework julianenochs$ touch quotes.txt
Julians-MacBook-Pro:git_homework julianenochs$ cd git_homework
-bash: cd: git_homework: No such file or directory
Julians-MacBook-Pro:git_homework julianenochs$ cd ..
Julians-MacBook-Pro:~ julianenochs$ ls
Applications		Library			Public
Creative Cloud Files	MacKeeper Backups	TVB
Desktop			Movies			git_homework
Documents		Music			hotger
Downloads		Pictures
Julians-MacBook-Pro:~ julianenochs$ cd git_homework
Julians-MacBook-Pro:git_homework julianenochs$ git init
Initialized empty Git repository in /Users/julianenochs/git_homework/.git/
Julians-MacBook-Pro:git_homework julianenochs$ git status
On branch master

No commits yet

Untracked files:
  (use "git add <file>..." to include in what will be committed)

	quotes.txt

nothing added to commit but untracked files present (use "git add" to track)
Julians-MacBook-Pro:git_homework julianenochs$ git add quotes.txt
Julians-MacBook-Pro:git_homework julianenochs$ git status
On branch master

No commits yet

Changes to be committed:
  (use "git rm --cached <file>..." to unstage)

	new file:   quotes.txt

Julians-MacBook-Pro:git_homework julianenochs$ git init
Reinitialized existing Git repository in /Users/julianenochs/git_homework/.git/
Julians-MacBook-Pro:git_homework julianenochs$ git commit -m 'add quote'
[master (root-commit) c897e73] add quote
 Committer: Julian Enochs <julianenochs@Julians-MacBook-Pro.local>
Your name and email address were configured automatically based
on your username and hostname. Please check that they are accurate.
You can suppress this message by setting them explicitly. Run the
following command and follow the instructions in your editor to edit
your configuration file:

    git config --global --edit

After doing this, you may fix the identity used for this commit with:

    git commit --amend --reset-author

 1 file changed, 0 insertions(+), 0 deletions(-)
 create mode 100644 quotes.txt
Julians-MacBook-Pro:git_homework julianenochs$ git status
On branch master
nothing to commit, working tree clean
Julians-MacBook-Pro:git_homework julianenochs$ git diff
Julians-MacBook-Pro:git_homework julianenochs$ cd quotes.txt
-bash: cd: quotes.txt: Not a directory
Julians-MacBook-Pro:git_homework julianenochs$ echo "do not go gentle into that good night, rage rage against the dying of the light">> quotes.txt
Julians-MacBook-Pro:git_homework julianenochs$ git status
On branch master
Changes not staged for commit:
  (use "git add <file>..." to update what will be committed)
  (use "git checkout -- <file>..." to discard changes in working directory)

	modified:   quotes.txt

no changes added to commit (use "git add" and/or "git commit -a")
Julians-MacBook-Pro:git_homework julianenochs$ git diff
diff --git a/quotes.txt b/quotes.txt
index e69de29..56a6085 100644
--- a/quotes.txt
+++ b/quotes.txt
@@ -0,0 +1 @@
+do not go gentle into that good night, rage rage against the dying of the light
Julians-MacBook-Pro:git_homework julianenochs$ git add quotes.txt
Julians-MacBook-Pro:git_homework julianenochs$ git commit -m 'add quote rd2'
[master b620b63] add quote rd2
 Committer: Julian Enochs <julianenochs@Julians-MacBook-Pro.local>
Your name and email address were configured automatically based
on your username and hostname. Please check that they are accurate.
You can suppress this message by setting them explicitly. Run the
following command and follow the instructions in your editor to edit
your configuration file:

    git config --global --edit

After doing this, you may fix the identity used for this commit with:

    git commit --amend --reset-author

 1 file changed, 1 insertion(+)
Julians-MacBook-Pro:git_homework julianenochs$ git status
On branch master
nothing to commit, working tree clean
Julians-MacBook-Pro:git_homework julianenochs$ git log --pretty=oneline
b620b63b1a3a8995b6df3104a03eefc9d2cd500b (HEAD -> master) add quote rd2
c897e7376ebd29248293933e3e71095d3216e6e5 add quote
Julians-MacBook-Pro:git_homework julianenochs$

IMPORTANT: Do not remove this git_homework directory. You will be using this directory during Thursday's session.

3. Questions/Comments/Confusions

If you have any questions, comments, or confusions that you would an instructor to address, list them below:

  1. I have NO idea if I did that right, the "your name and email address..." portion threw me off completely that showed up after git commit commands.

Extensions

  1. If time permits and you want extra git practice and alternative explanations (it's often beneficial to have something explained in many different ways), check out Codecademy's Git Course, particularly the first free item on the syllabus, "Basic Git Workflow". In Mod 0, we will not cover anything beyond Codecademy's intro section; however, you are welcome to check out the other git lessons listed on the syllabus if you want a head start.

  2. This course is how I personally learned command line. If time permits, I highly recommend reading and practicing.

  3. Also recommended by Jeff Casimir: Michael Hartl's Learn Enough Command Line.

  4. Add tab completion to make your life easier: Type Less. Do More.

@katiescruggs
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Great job, @julianenochs! That message about auto-configuring your git credentials that you mentioned in your question looks like it may have gotten your email wrong. (Unless your email is julianenochs@Julians-MacBook-Pro.local). I would run git config --global --edit like it suggested. It will probably ask for your email and password, and you can enter them then.

After that, I would recommend repeating the git workflow exercise for your own practice if you feel like it threw you off!

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