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GIT users manual

Start using of GIT

GIT is a programm for control of versions that is commonly used in IT sphere.

First of all, user shoud install GIT and the text editor Visual Studio code (VS code).

In the first using of GIT the user should register in GITHub and enter email and login in terminal.

Main commands in GIT

  • git init – initialization of local repository
  • git status – getting information from git about its current status
  • git add – add file(-s) to the next commit
  • git commit -m “message” – making a commit
  • git log – display history of all commits with hash codes
  • git checkout – changing to another commit
  • git checkout master – return to relevant status and continue working
  • git diff – show difference between current and commited files

Syntax of Markdown

Markdown is a lightweight markup language that can be used to add formatting elements to plaintext text documents.

The main rules of formatting text are listed below:

  1. The symbol # is used for highlighting headings. Number of # sets the level of the heading (up to 6 levels)
  2. = or - underline by these symbols (not less than 3) highlights headings of the first (“=”) and the second (“-”) levels
  3. For Bold inscription or Bold inscription use ** or __ in the beginning and in the end of the text
  4. For Italic inscription or Italic inscription use * or _ in the beginning and in the end of the text
  5. For Bold italic inscription use *** in the beginning and in the end of the text
  6. For Crossed out text use ~~ in the beginning and in the end of the text
    • element – non-numerical lists, symbol “*” in the beginning of the line
  8. 1, 2, 3 … – numerical lists

Working with branches

In order to have a possibility to work with different versions (drafts) of document or to work with a document in a group of people simultaneously in GIT branches are used.

  • To create a new branch use a command git branch new_branch_name.

  • To display in which branch user is working enter command git branch.

  • To switch between initial (master) branch and another branches use a command git checkout new_branch_name.

  • To delete branch enter a command git branch -d branch_name.

To display commits as a tree use a command git log --graph.

In case of conflicts while merging branches (different information added in the same place) user can change 1 of possible decisions:

  • accept changes made in current branch
  • accept changes made in merging branch
  • accept both changes
  • compare changes

Working with pictures

To add a picture into text user needs to:

  1. save a picture into a repository folder
  2. use a command git ignore
  3. add into text ![description/comment](fail name)

Working in remote repository

Remote repositories can be made on the most popular service of GIT - GitHub. Working in remote repository allows to work with file by several users simultaneously. Main commands for exchanging repositories to and from GitHub are listed below:

  • git clone – cloning of external repository on local PC
  • git pull – getting changes and merging with local version
  • git push – sends local version of repository to external source

How to work in|with remote repository:

  1. Authorize in GitHub
  2. Go by the link on external repository in GitHub
  3. Press on the Fork button of external repository - this repository will appear in the list of user's repositories
  4. Clone it into user's local PC
  5. Open cloned folder in VS code
  6. Enter git branch new_branch_name
  7. Switch into new branch by git checkout new_branch_name
  8. Add new file, make a commit
  9. Enter git push (in case of an error enter a command from prompts)
  10. Enter pull request