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OK we'll come back.

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So I want to briefly give you a little bit of an overview of what we're going to be doing with get and

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get help.

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I mentioned this a little bit in the last video.

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Basically our progression here is that we've already talked about conceptually what get and get have

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are we we we talked a little bit about why you would use it how it's useful what we'll do next is see

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the very very basics.

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So for the first two videos I guess the second and third video if you include the first intro we won't

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be dealing with get help at all.

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So we're not sharing code with anyone.

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We're not getting anyone else's code.

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We're just using it locally as a way to you know save our changes and revert back to old versions of

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code.

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So these two videos will cover some really important commands.

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And then we're going to talk about get home and we're going to talk about taking code down from get

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home.

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So I'll give you some code an app that you can then clone onto your machine and run on your machine

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.

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And then also you'll be able to push that code or push your own code up to get her to share with other

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people so that they can clone it down.

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So that will be what we finish up with.

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And there also be an exercise in there as well.

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For now we're starting right here.

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So three main commands going to talk about as I mentioned in the last video if you're using Cloud 9

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which everyone should be if you're not you're a little bit on your own as far as installing good.

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It's not terribly complicated but sometimes you run into problems if you're missing certain dependencies

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.

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If you've already installed it before it's a little bit it's not fun sometimes.

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So luckily using Cloud 9 we already have get installed as we saw here.

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Don't worry about the version as long as you see something here that isn't get not found or command

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not found.

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So the first thing we have to talk about is get in it.

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So right now I'm instead of a directory called Get that I created and I'm going to make another directory

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and just call it an intro.

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Let's call it get intro CD into that.

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And inside of this I'm going to create a really simple application.

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It's I wouldn't even call an application but I'm going to add some files and let's pretend that it's

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a gigantic application that I know I want to track I want to use it to track my changes and revert back

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if I make a mistake.

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I want to be able to step by step see the code that I wrote every day or every time a committed changes

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to do that.

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I first have to tell get that this good intro even exists and I want it to care about it.

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So it isn't just always watching every file on our computer.

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That would be pretty crazy.

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Instead we have to manually tell it initialized get in this directory.

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Basically get ready get I'm going to use you in this folder and it only works in that folder and any

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folders that are inside of that folder.

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So it won't work if I initialize get.

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Let me make sure this refreshes here.

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There we go.

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If I initialize it instead of get intro right here and I'm tracking all the code instead of get intro

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that works fine but it won't track any changes they make over here or over here.

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If I wanted to watch all of this together in one repository if I want to get to know about everything

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here then I would initialize get in this webdav boot camp folder.

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Usually you don't want to do that though.

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Usually you have one repository for one project.

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So one Ribault that's where a lot of people say repo rather than repository per project.

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So this is our demo project it's called Get intro and the first thing I'll do is just make a file.

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So I'll just call this app.

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J.S. Yes let's open that file up so nothing involving get yet.

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And let's add something in here.

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So just a single line count about log.

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This is my complex app just so we have something to work with.

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So pretend again this is a big app.

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OK.

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So the first command again is get in it and that's all we have to run.

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So we just want to make sure we're in the right directory get intro and then rerun get in it forget

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initialize and then you can see I get a little printout says initialized empty get repository in and

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then the name of the directory that I'm in get intro.

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Also notice that it added this dot get.

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We haven't really talked about this much but things begin with a dot dot get the I type ls.

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It looks like there's only x J s here.

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But if I talk type LS dash a.

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You can see there's actually a folder called does it.

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And those are hidden folders.

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In this case just one get.

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So when we run get in it what it actually does is it makes a directory it's hidden called Don't get

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wherever I run that get in that command and it's going to track all of our changes.

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That's basically the magic that's where all of it exists.

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So if if I'm working on a huge project with 20 different files and I have you know committed my code

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a bunch of times I've been working on it for years maybe and I delete that don't get folder I potentially

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have lost everything if I didn't have it backed up if I wasn't using get have I would lose all of the

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changes all my history.

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So it's important that you don't screw with that.

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But usually you won't even see it unless you're looking for it in the event that you do want to get

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rid of it.

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If you messed up and you accidentally initialized get repository on your whole computer you did it on

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the home directory or you did it you know up here on webdav boot camp or whatever your equivalent name

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is and you don't want to track every single file on your computer at once.

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Then you want to remove this and you would remove it just like any other directory Ahram dash Aref.

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OK.

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So that was a side note.

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The next command I'm going to show you actually have an added here going to add it now get status.

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So this is an important one.

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It's not really an action doesn't tell get to do anything.

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It basically asks for a status and it's a really common thing to type before you do anything else.

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So you usually check in with get.

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You say what's your status.

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And then it will tell you something and then you do something based off of that.

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So right now if I type get status all that it tells me there's going to be a lot of language here that

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it's pretty confusing at first.

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Says on Branch master you don't need to worry about what that is all that you should know here.

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See in parentheses I see M. That tells me that I'm on the master branch what are branches and I can

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talk about just yet initial commit.

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That means that I haven't really made a new commit.

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I haven't done anything yet.

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And untracked files app J.S. nothing added to commit but untracked files present.

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So the first thing that I want to do is show you what happens when I add a new file.

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So let's add a file called Cats genius.

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And if I type get status now it now tells me there's 2 untracked files actually and cats genius.

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And the reason that it says they're untracked this is this is actually really important to the way that

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it works.

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Is that just by initializing a repository in a folder.

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It doesn't automatically know about or doesn't automatically track every file and every change they

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make.

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The way that it works it's kind of a two step workflow.

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So I can have a bunch of files but maybe I only want get to know about two or three of them.

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So a common example is if you're working on a project that has some sensitive application codes or some

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secret codes that you need that you don't want to share and get hurt but you don't want to publish what

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you can do is tell get to watch the other files but ignore your secrets file or ignore your environment

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file whatever it's called.

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There might be some sensitive data that you don't want get to know about.

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So by just initializing it get tells us.

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I know there are these files but I'm not tracking them.

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So if we want get to track these files what we need to do is use the next command which is get ADD.

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So I mentioned it's a two step workflow.

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We add the files we target here the files.

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I want you to track and then we commit and commit is basically making a check point in time with the

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changes that you've added.

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It will make more sense once we get a little more practice.

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So let's start by using it.

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And so if I type get add I don't want to just hit enter yet.

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What I can do is either add one file at a time like this get add app.

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Yes.

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And now if I type good status you'll see something changes says untracked file.

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Still catch stuff.

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Yes but now it says change is to be committed.

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New File app.

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Yes.

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So what this means is that when I run get commit which I'll do in just a bit.

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This is what is going to be saved.

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The fact that we made a new file called apage.

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Yes.

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So let's try committing this when what that will look like is in the future.

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I could come back to this point in time where all I did was create app yes.

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I haven't added cad's so that change isn't going to be committed.

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So if I reverted back to this in the future when I had made a bunch of changes all I would see is actually

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yes with one line in it but catchiest wouldn't exist because it isn't tracking it it's not going to

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commit it right now.

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OK.

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So I'm going to type get commit dash em and dash em.

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I believe it's short for Dash message.

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It allows you to just type in a commit message right here and this is really important.

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Every commit needs to have a message that describes what what the committee is or what the thing is

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that you're saving.

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The checkpoint is.

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So if this was a novel you might have something like finished chapter 5.

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If this was an application you might have ADD user model or add authentication.

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In this case to add let's to add app file something like that and it's conventional to have your commit

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messages be in present tense so not added app file but add app file or change file remove x y whatever

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it is.

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OK so get commit dash em.

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You don't have to do it with Dash em if you just hit get commit.

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It will open up a text editor and then you can type something into the editor and hit enter or save

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.

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But let's just do it like this.

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Notice it says here after we committed one file changed and now our type get status.

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You'll see that the changes to be committed here new files object at dodgiest has gone away because

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we committed it and it doesn't have anything else to keep track of.

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There's no changes that we've made.

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The only thing that it's complaining about is not really complaining but it's saying that there is a

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file cache S that is not being tracked.

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So let's now add that get add cats.

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Yes.

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Let's commit again or let's do get status.

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You can see changes to be committed.

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The fact that we made a new file Catts genius.

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So will do get commit to Ascham add Catts file and accidently hit enter.

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Make sure I have that quote there.

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Now if we take a look at gets datus we get a new message.

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It says nothing to commit.

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Working directory clean.

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What that means and it says working directory clean basically means the repository it get knows about

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everything that we want to know about.

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There is no changes to be made there's nothing to be committed.

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There aren't any untracked files.

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It is one with our code at this point.

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All right so now let's say that I have my application I'm going to open up the cats file as well.

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And let's suppose that this is a obviously a larger application and I make some changes.

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So in here.

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Cancel that log now save.

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Now if I type good status I changed the cat's G-S file.

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You'll see that it tells me changes not staged for commit modified catch SJS.

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So gets telling me the catchiest file was modified before it was saying that cats genius was created

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it was a new file and if we removed cats us get would tell us.

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Here's a change that I know about cats J us was removed so modified catchiest lets add in a commit again

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.

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And if I try and commit right now I can write any message in here.

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It won't actually do what we want because notice that it's saying changes not Stage 4 commit and no

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change is added to commit.

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So if I commit right now I haven't actually told to.

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I want to commit any changes.

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Remember that it's a two step process so we don't just add a file one time.

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What we do is actually every time we commit we tell get which files to add to that commit.

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So that means that rather than having one blanket commit That's more like a traditional save.

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If I just hit Save it would save everything.

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Rather I can tell it.

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OK this is an express app with 20 files.

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Let's take the two model files and add them and commit that and we'll say we added in 2 new model files

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.

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Then let's take our 2 route files and add those together and commit them together and we could say we

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refactor middleware wherever we did.

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We can group files together and add them in pieces and commit them together but not have to commit everything

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all at once.

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So in this case I'm going to do is add that file again get add cats that genius that are going to do

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get commit and this time all that I did was add meow to cats.

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Now I type get status nothing to commit.

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Working directory clean.

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OK.

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So let's do one more thing let's add one file and so will do.

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Touch Dogstar.

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Yes and if I type get status again.

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When C is telling me that it's not even tracking dogs J s so I can add that it had dogs japes.

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I'm not going to commit yet.

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But now if you take a look is telling us all right when you do commit I'm going to commit.

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The fact that you made a new file called Dogs J Yes.

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Now let's go and change our apt J s a little bit and add a other council dot log

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just like that save.

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I do have to save in order for any of this to work and I get status.

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Now it tells me changes not state for commit.

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The fact that you modified.

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Actually yes let's also modify Katz J us counsil Dalt log.

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That's do per

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save.

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Type get status again.

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And now you can see tells me that I modified the address and then modified cats.

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Yes but I'm not staging them for committing they're not ready to be committed.

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The only thing that will be committed is the fact that I made a new file called called Dogstar.

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Yes so what I'm going to do is commit once now and then this commit I'm going to say add Doug's file

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type get status tells me no changes added to commit to changes are not stage for commit so let's add

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them together and what I could do is say Get add objects and then catch separately.

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Or I can do this.

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Get add dot and that will add all the changes.

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Not stage for commit.

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So in this case both files.

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Now if I get status again now it tells me change is to be committed after this and cast J.S. so I'll

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commit them together.

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And usually you would put some code here that talks about the feature that you did or what you added

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or updated or whatever you did.

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In this case it's kind of trivial but let's just say update files which is really not a great commit

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message if you're actually working on a substantial project.

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OK and then let's take that as one more time and it tells me nothing to commit.

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Working directory clean.

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OK so so far all that I've showed you how to do is basically adding checkpoints in time that we can

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go back to but I haven't shown you how to go back to that.

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And that's coming up next.

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But let's do a quick recap.

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So the very first thing we have to do if we want to get to we have to run get a net that will initialize

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get a new repository in a given directory.

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And you do want to be careful about that.

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You don't want to be making a repository.

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Usually don't want you making a repository in the very top level directory of your computer.

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Usually it's one project per repo.

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Technically you can use it however you want but that would be pretty crazy if you if you are watching

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your entire machine with one repository and then the next command resaw was get status and that doesn't

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really do anything.

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Doesn't tell get to do anything it just asks for an update.

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Basically we're asking get what's the current status.

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Has anything been added.

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It's ready to be committed.

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Are there any changes that sort of thing.

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And then these two are really important.

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These are the bread and butter of get.

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You'll type them all the time.

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So we add the changes.

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We basically select what we want to add to this check point in time and then we commit the changes to

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add that checkpoint and we give it a message so that in the next video when I show you how to view the

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commits we'll actually see those messages and future you will be very thankful that you hopefully wrote

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nice messages that are descriptive so that you know what each checkpoint what each commit does.

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OK so in the next video we're going to talk about get log in get check out