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Project management 0. Git setup

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Contents

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What is Git?

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  • Git is a version control tool originally created by Linus Torvalds in 2005
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  • Git is a version control tool originally created by Linus Torvalds in 2005
  • Keeps track of code changes
  • Can be used to backup code in the cloud
  • Enables cooperation with other team members
  • Ubiquitous in software development
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Why version control?

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  • Without version control, only one version of your code exists +
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    • What happens when you realize you made a mistake and need to roll back changes you've made?
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  • You could use manual backups, or a cloud storage service +
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    • What happens if two people connect to a cloud service and edit the same file?
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    • Or maybe not even the same file... What happens when you and your teammate have made changes to code and you need to combine your work into a single, working version?
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  • Version control handles all the problems above, and you can focus on the important part: programming! +
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    • You can even try out some big changes that break your software completely
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    • If that doesn't work out, just roll back into the last working version!
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Git vs cloud storage

  • Git is different from cloud storage services like Dropbox, Google Drive or OneDrive
    • Instead of automatic syncing, you deliberately push to and pull from the cloud
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    • Cloud services are easier for starters
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    • Cloud services are easier for beginners
    • ...but in projects of more than one person, tracking changes would be a pain
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  • Git has a steep learning curve +
  • Git is used via the terminal and has a steep learning curve
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    • To ease things, there are some visual tools like Sourcetree or Sublime Merge
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    • To use them effectively, you still need to understand how Git works, though
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    • There are some visual tools like Sourcetree or Sublime Merge
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    • To use them effectively, though, you must still understand how Git works
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GitHub and other developer platforms

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Remote storage services

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  • Git could be used locally, but its usage is almost always combined with a developer platform — a remote storage service like GitHub, GitLab or BitBucket
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    • These services can also double as a programming portfolio
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    • These services can also double as a programming portfolio that can help getting hired into the industry
    • Commonly used in both open source and commercial projects
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  • In Buutti's trainings, GitLab is most commonly used
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  • In Buutti's trainings, GitLab is most commonly used
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Setup

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  • Install Git +
  • Installing Git:
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Git setup: Settings for Windows

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Set manually after setup with:

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To set manually after setup, use:

git config --global core.editor "code --wait"
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Set manually after setup with:

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To set manually after setup, use:

git config --global init.defaultBranch main
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Set manually after setup with:

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To set manually after setup, use:

git config --global credential.helper wincred
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Command line

  • Git is operated via the command line, a.k.a, the terminal
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  • Linux, (also included in the Windows Git install): bash
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  • We're using PowerShell, which can be accessed inside VS Code
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  • We're using PowerShell, which can be accessed inside VS Code or Visual Studio +
    • In VS Code, open/close terminal by pressing CTRL+Ö (in the Fin/Swe layout)
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    Basic commands and the working directory

    • To do actions in Git, you don't press buttons, you write commands
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    • Note: .. is a shorthand for to the parent directory, . for the current directory
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    Extra: Help, this is horrible!

    • Do you feel more at home in graphical UIs?
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    Btw: Config

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    Note: Config