Git Initialization (Demo)
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Course
Difficulty
Intermediate
Video Transcription
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>> Hey there Cybrerians and welcome back to
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the Linux plus course here at Cybrary.
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I'm your instructor Rob Gels.
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In today's lesson we're going to be
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talking about Git Initialization.
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Upon completion of today's lesson,
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you are going to be able to understand the purpose of
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git initialization as well as perform
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an initialization using git init and then
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understand the purpose of
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the gitignore file and git directory.
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If we want to create a new project with git,
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the command we're going to want to use
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is the git init command.
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This is because it initializes the new project
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with git and creates a .git directory.
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When we do git init,
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we're creating that .git directory and that
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holds the version control files locally on our system.
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Now once we've initialized a local repository,
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we might want to add options.
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We saw in the previous lesson
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how to use git config to set up
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things like a global username
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or global user e-mail address.
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But we can also use git config to set up other things.
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For example, we can set
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the default editor with gitconfig --global core.editor,
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and then specify an editor name.
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This case I specified vi.
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Now, while we're using git,
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we sometimes find that
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some unwanted files creep into our repositories.
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Or maybe we have files that we want to exclude,
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git is going to grab everything
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in a directory if we tell it to.
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We need to exclude files that
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we don't want it to pick up.
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Another local configuration option
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can help us to prevent this.
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That's called the.gitignore file.
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The.gitignore file is placed
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in the root of the project folder,
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the one that you just initialized.
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In this file you place the names and directories of
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any files or directories
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>> you don't want git to recognize.
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>> You also need to include the .gitignore
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file in the gitignore file,
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so that git ignores that as well.
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Let's take a look at all of this with some demo time.
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Here we are back in a bunch of environment.
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What we're going to do is perform a git init,
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get some configuration, and then
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maybe add a gitignore file.
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First of all, let's go ahead and
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create a directory for all of our scripts.
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We'll call this one home rob scripts.
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This could be in my home directory,
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and now let's go ahead and navigate into this.
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We'll go to cd home, rob scripts.
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Inside of our scripts,
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sorry, there's a plural there.
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Then inside of this directory,
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we're going to run a git init.
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So I run git init.
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Now we'll see a message that we've initialized
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an empty repository here and empty git repository.
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Now if we do an ls-al in this directory,
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we can see that we have this .gitdirectory.
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Now we can also do an ls-al on .git.
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Inside of here we can see
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all of the version control information,
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things like branches, hooks,
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infill objects and references.
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We'll get into some more information about
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that later in this module.
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But let's add a few more local config options.
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For example, we can do a git config and we can
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add a globalcore.editor as vim.
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Maybe we'll go ahead and play around with autocorrect.
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We'll say git config global help.autocorrect.
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>> We'll change this to 100.
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>> Now if we do another git config-l,
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then there's too many Gs and config.
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If you do it in the git config-l,
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we can see that we have core editors vim
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and help that autocorrect is 100.
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Finally, let's go ahead and add a gitignore file.
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What we can do is we can do vim.gitignore.
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[NOISE]
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>> Inside of this file we'll add a couple of things.
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>> For one thing we can add any file that has a tilde,
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which is a temporary file.
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We can also add star.swap to ignore any swap files,
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and we'll add star.back to ignore backup files.
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Then finally, we also had our .gitignore file
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here to ensure that that doesn't get picked up as well.
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Then we can hit escape:wq, and we're good to go.
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Now if we do an ls in this directory again and ls-al,
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we see that we have git and our gitignore file.
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With that, we've reached into this lesson
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and in this lesson we covered the purpose of
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git initialization as well
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as initializing a project using
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git init and then the purpose
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of the git and gitignore files.
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Thanks so much for being here and I look
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forward to seeing you in the next lesson.
Up Next
Basic Git Commands (Demo)
Advanced Git Commands
Module 27 Overview: Orchestration Processes and Concepts
Orchestration and Monitoring
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