Creation of my first git

Initialize local git repository

1. Download and install Git for Windows
2. Create a repository:

cd ~/Desktop && mkdir first && cd first
git init

3. Add readme:

touch readme.md

4. Add it to git and then commit:

git add .
git commit -m "Add readme.md"

Initialize remote git repository at GitHub

1. Check if there any ssh keys exist already:

ls -la ~/.ssh/

2. Now generate the key:

ssh-keygen -t ed25519 -C

3. Copy the public key:

clip < ~/.ssh/id_ed25519.pub

4. Add it to your github profile
5. Check if it works:

ssh -T git@github.com
yes

6. Add repo to GitHub. Just create there new repo and get its SSH address

git remote add origin git@github.com:fyefh5/first.git

7. Check if it works:

git remote -v

8. push commit:

git push -u origin main

9. For next pushes just use

git bush

git log

1. There are hashes that identify each commit uniquely

git log

2. File states:

graph LR;
  untracked -- "git add" --> staged;
  staged    -- "git commit -m 'message_1'" --> tracked;
  tracked -- "modify this file" --> modified;
  modified -- "git add" --> staged;
  staged -- "git commit -m 'message_n'" --> tracked;

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3. git commit commits only those files that are in git add which can be checked via

git status

4. In the .git/ you can see HEAD file which contains the hash of the latest commit. You can also use HEAD instead of the latest hash.

5. git log --oneline shows shortened commits which is useful when there are too many of them

6. for oneline representation there is space for only 72 symbols. So, you should make message <= 72 symbols long. Also, you should associate each commit with certain problem via certain style:

• Jira-ID: LGS-239;
• conventional commits: feat, fix;
• GitHub: #334;
• or somehow else.