forked from Workshops/How-To-Git-Started
176 lines
4.3 KiB
Markdown
176 lines
4.3 KiB
Markdown
# How to Git started
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This is the information provided for the git workshop held at the CIT on the 29th of January 2020.
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## Install Git
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Download git for your operating system at: git-scm.com/downloads
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## Using a GUI
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You can use any GUI for git, the one we will be using for this workshop is Sourcetree <br/>
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Another recommended GUI to use it Fork. <br/>
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You can download these at https://www.sourcetreeapp.com/ and https://git-fork.com/
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For other GUIs check out https://git-scm.com/downloads/guis/
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Our remote git server is located at https://git.web.rug.nl/ <br/>
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You can log in with your usual p-number and password.
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This README has been written in markdown. <br/>
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To get started see the following cheat sheet: <br/>
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Cheatsheets: <br/>
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[Markdown](https://github.com/adam-p/markdown-here/wiki/Markdown-Cheatsheet)
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## Learning objectives
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- Introduction to VCS
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- Create new repository
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- README.md
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- Git ignore file
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- Stage
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- Commit
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- Push / pull
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- Fork
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- Pull request
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- Branche
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- Merge / Rebase
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- Undoing Things
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- Amend commits
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- Unstaging
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- Unmodifying a modified file
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- Revert and reset
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- Tag
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- Log
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## Using the terminal
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### Configure tooling
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Configure user information for all local repositories
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```shell
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$ git config --global user.name "[name]"
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# Sets the name you want attached to your commit transactions
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$ git config --global user.email "[email address]"
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# Sets the email you want attached to your commit transactions
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```
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```shell
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$ git config --global color.ui auto
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# Enables helpful colorization of command line output
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```
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```shell
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$ git config --global core.editor "nano"
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# Sets the default editor to nano
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```
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If you want to save your https credentials run
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```shell
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git config --global credential.helper store
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Omit --global to set the identity only in this repository.
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```
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Or you can add an [SSH key](https://help.github.com/en/github/authenticating-to-github/adding-a-new-ssh-key-to-your-github-account)
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Check your config using
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```shell
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$ git config --list
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```
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### Terminal commands
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See changes that have been made
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```shell
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git diff
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```
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Adding files to commit
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```shell
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git add file1 file2
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git add *
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```
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Committing files with commit message, this will stage your changes
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```shell
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git commit -m "your commit message"
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```
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unstage by using
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```shell
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use "git reset HEAD <file>..." to unstage
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```
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### Branches
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Branches are an important part of working with Git.
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Any commits you make will be made on the branch you’re currently “checked out” to.
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Use git status to see which branch that is.
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Creates a new branch
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```shell
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$ git branch [branch-name]
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$ git checkout -b [branch-name]
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```
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Switches to the specified branch and updates the working directory
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```shell
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$ git checkout [branch-name]
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```
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Combines the specified branch’s history into the current branch. This is usually done in pull requests, but is an important Git operation.
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```shell
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$ git merge [branch]
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```
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Deletes the specified branch
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```shell
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$ git branch -d [branch-name]
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```
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Show all available branches
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```shell
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git branch -a
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```
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Track remote branch
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```shell
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git checkout --track origin/<branch>
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```
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Delete remote branch
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```shell
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git push <remote_name> --delete <branch_name>
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git remote prune <remote_name>
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```
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Check the log in graph form
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```shell
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git log --graph --oneline
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```
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## Glossary
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- git: an open source, distributed version-control system
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- GitHub: a platform for hosting and collaborating on Git repositories
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- commit: a Git object, a snapshot of your entire repository compressed into a SHA
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- branch: a lightweight movable pointer to a commit
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- clone: a local version of a repository, including all commits and branches
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- remote: a common repository on GitHub that all team members use to exchange their changes
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- fork: a copy of a repository on GitHub owned by a different user
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- pull request: a place to compare and discuss the differences introduced on a branch with reviews, comments, integrated tests, and more
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- HEAD: representing your current working directory, the HEAD pointer can be moved to different branches, tags, or commits when using git checkout
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## Resources
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https://gitexplorer.com/ <br/>
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https://git-school.github.io/visualizing-git/ <br/>
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https://education.github.com/git-cheat-sheet-education.pdf <br/>
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https://gitsheet.wtf/ <br/>
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https://www.keycdn.com/blog/git-cheat-sheet <br/>
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