Difference between revisions of "Git"
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Revision as of 06:02, 22 December 2022
Contents
Install git
Download git from https://git-scm.com/download/win and install it.
Learn basic git by watching this video tutorial: Learn git in 3 hours
Basic configuration
From terminal issue the following commands: (Windows start the git bash app)
git config --global user.name "Henrik Thomsen"
git config --global user.email "heth@mercantec.dk"
It will create a ~/.gitconfig file for the user
Create a new git project
mkdir project
cd project
git init
git init will create a .git directory
File tracking states
A specified file can be in one of four states
| State | Explanation |
|---|---|
| Untracked | The file is not tracked by git and changes are not recorded |
| Unmodified | The file is tracked by git and has not changed since it's last commit |
| Modified | The file is tracked by git and has changed since it's last commit |
| Staged | means that you have marked a modified file in its current version to go into your next commit snapshot. |
File tracking lifecycle
Basic git commands
| command | Explanation |
|---|---|
| git status | Status of git repository (must be inproject or project subfolder) |
| git add <file/dir>... | Files added to the repository - Untracked->staged or Modified->staged
Note: When adding a directory - the directory is not tracked for new files |
| git diff [file...] | See modified files content |
| git diff --staged [file...] | See staged file modified but not committed |
Why is it called Git?
Linus Torvalds has quipped about the name "git", which is British English slang for a stupid or unpleasant person. Torvalds said: "I'm an egotistical bastard, and I name all my projects after myself. First 'Linux', now 'git'."[1][2][3]