GitTutorial.md

1. repository actions

   1. create repository
      1. open a new local repository: git init
      2. clone a repository: git clone url
      3. push a repository to github: git push origin master
   2. update:
      1. a cloned repository: git fetch url
      2. a remote repository: git pull url
   3. delete:
      1. only git tracker: git rm -r .git
      2. whole repository:
         1. git rm -r .
         2. rm -rf .git
      3. what is -r, -rf: recursively, recursive force

2. how prevent git to change line feed(lf) to carriage return lf(crlf)

   1. git config --global core.autocrlf false

3. tracking file

   1. how add a file to git tracker:
      1. add all files: git add -A
      2. add a specific file or folder: git add name
   2. remove a file from git tracker:
      1. a file: git rm --cached -f name
      2. a directory: git rm --cached -f directory/*

4. commiting

   1. commit a staged file
      1. with message: git commit -m "message"
      2. without message: git commit --allow-emmpty-message
   2. back to past
      1. back on specific commit: git checkput commit-hash
      2. back to previous commit: git checkout HEAD~1
      3. back to previous of first commit: rm -rf .git
   3. remove a file from
      1. git repostiry: git rm -f name
      2. system drive to: git rm -rf name

5. set user identify for git

   1. git config --global user.name "name"
   2. git config --global user.email "email"

6. .gitignore

   1. add a file or directory: name, name/
   2. add a extension: *.txt
   3. exclude a file from be ignored: !directory/*.js

7. see properties

   1. stage of files: git status
   2. commit properties: git log
      1. close git log pager: q
      2. in one line format: git log --pretty=oneline
      3. in graph format: git log --graph

8. see changes

   1. commit: git diff commit_id

9. change message of a commit:

   1. git rebase --interactive commit_hash~
   2. set pick to edit
   3. git commit --amend -m "message"
   4. git rebase --continue

10. connect to a remote repository

    1. create repository in github.com
    2. first connect: git remote add origin url
    3. change remote address: git remote set-url origin url
    4. git push -u origin master