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• How Does Git Work Under The Hood
• How Does Git Work Push

We'll skip past the non-Git parts like looking at telemetry data, coming up with a design and a spec, and even writing the actual code. Let's jump right in to working with the repository. First, the engineer syncs to the latest commit on master. Git diff shows the diff between HEAD and the current project state. With the -cached option it compares added files against HEAD; otherwise it compares files not yet added. git mv and git rm mark files to be moved (rename) and removed, respectively, much like git add.

Git checkout -b — creates a new branch from the current HEAD, and switches the working directory to the new branch. Git diff – — shows the difference of between the working directory and the given branch. Git checkout – — checks out files from the given branch into the working directory.

Recall that a Git repository is structured as a directed acyclic graph: every Git commit is a snapshot of the tree along with references to its parent commits (usually one parent, but the initial commit has no parents, while a merge commit has two or more parents). So each commit recursively references some set of ancestor commits. It’s usually more helpful to think of a commit as representing a patch, by taking the diff between the commit’s parent tree(s) and the commit’s tree. In this way, one thinks of a commit’s tree as the result of applying all of its ancestor’s patches. The tree of a merge commit between two branches, therefore, can be thought of as the result of applying all of the patches in the union of the two branches’ sets of ancestors.

But that is not how git merge is actually implemented, both because it would be terribly slow, and because it would require re-resolving all the merge conflicts that ever happened along the way. So what’s actually going on?

I like to think about this mathematically: given commits [math]A[/math] and [math]B[/math], the merge commit [math]A vee B[/math] is represented by [math][A vee B] = [A] + [B] - [C][/math], where [math]C[/math] is the merge base (most recent common ancestor) of [math]A[/math] and [math]B[/math]. We have to “subtract out” [math][C][/math] because otherwise that content would be double-counted by [math][A][/math] and [math][B][/math]. This operation [math]x + y - w[/math] is called a three-way merge. You can think of this as applying the patch [math]y - w[/math] to [math]x[/math], or as applying the patch [math]x - w[/math] to [math]y[/math].

In fact this operation is not literally implemented with diff and patch, but with the algorithm used to build them: the longest common subsequence algorithm. The diff [math]x - w[/math] between two sequences [math]x, w[/math] of lines is just what we get when we align them along their longest common subsequence (and perhaps throw out the long spans that are common to both sequences). To construct the three-way merge [math]x + y - w[/math], we align [math]x[/math] and [math]w[/math] along their longest common subsequence, align [math]y[/math] and [math]w[/math] along their longest common subsequence, and then output each line that’s either

• common to all three sequences, or
• present in [math]x[/math] but absent in [math]y[/math] and [math]w[/math], or
• present in [math]y[/math] but absent in [math]x[/math] and [math]w[/math],

while we delete the lines that are either

• present in [math]y[/math] and [math]w[/math] but absent in [math]x[/math], or
• present in [math]x[/math] and [math]w[/math] but absent in [math]y[/math].

Here’s an example:

The order of the lines of [math]x[/math], [math]y[/math], and [math]w[/math] may only impose a partial order on the output lines of the three-way merge. If so, it’s because the same block of [math]w[/math] was edited in two different ways between [math]x[/math] and [math]y[/math]—so we declare that block to be a merge conflict and present it to the user to resolve manually.

When git shows you a merge conflict, by default you will only see x and y blocks of the conflict:

However, merge conflicts become much easier to resolve when you can see the merge base [math]w[/math]. I recommend turning this on in ~/.gitconfig by running git config --global merge.conflictstyle diff3.

Now you can see that this resolves to:

(Note that this operation is symmetric w.r.t exchanging [math]w[/math] with the result, so you really do need to see [math]w[/math].)

There are two other cases to consider: there may be lines that are

• present in [math]x[/math] and [math]y[/math] but absent in [math]w[/math], or
• present in [math]w[/math] but absent in [math]x[/math] and [math]y[/math].

Some three-way merge algorithms will always tag such lines as merge conflicts. Git, however, will instead happily output or delete such lines, respectively, provided that the surrounding lines didn’t change. This effect is called an accidental clean merge. It is occasionally convenient in practice, especially when the user screwed up and merged two different versions of the same patch with each other. But I think it’s generally not a good idea to cover up such mistakes and wish this behavior could be turned off. Try to avoid taking advantage of it.

If you’ve been paying careful attention, you might have spotted a small hole in my description above: since the commits [math]A[/math] and [math]B[/math] may themselves contain merge commits, their most recent common ancestor might not be unique! In general, there may be many most recent common ancestors [math]C_1, ldots, C_k[/math]. In this case, git merge proceeds recursively: it first constructs the merge [math]C = C_1 vee ldots vee C_k[/math], and uses that as the merge base for the three way merge [math][A] + [B] - [C][/math]. This is why Git’s default merge strategy is named recursive.

In this guide, I will show you how to install Git Browser on Kodi 18.3/18.2 and Kodi 17.6. The method demonstrated works on all Kodi supported platforms, which includes, but not limited to, Amazon FireStick, Windows PC, Mac, Android Smartphones and more.

GitHub is the most widely used version control hosting service and free software distribution platform. It hosts hundreds of thousands of codes and software programs from software development companies and independent developers. GitHub is also one of the most popular hosts to Kodi addon repositories.

One way to install repositories on Kodi is to point Kodi to the GitHub server with the corresponding URL of the repositories. The other way is to get the Git Browser and download the repositories directly from the source. Installing the repositories directly makes things somewhat easy. In this tutorial, you will learn to install Git Browser from the Indigo Kodi addon. I will also show you how to get started with it.

How to Install Git Browser on Kodi

Git Browser is the part of Indigo addon. To install Indigo Kodi addon, we must first tweak the following security setting:

1. Run Kodi and then from the home-screen click Settings

2. Go to System Settings (click System if you have Kodi 18 Leia)

3. Select Add-ons on the left of the screen
4. Go to the right of the screen and switch on the option Unknown Sources

5. Click Yes when prompted

Method 1: Install Git Browser Directly from the TVAddons Repository

We will first install the TVAddons Repository and later use this repository to install the Git Browser on FireStick. Follow these steps:

1. Click Settings on the Kodi home-screen

2. Open File manager

3. Click Add source

4. Click where it says <None>

5. Type in the following URL exactly as given here: http://fusion.tvaddons.co

Click OK

6. Highlight Enter a name for this media source and type in any name you want to give to the source you added.

Let’s go with fusion. Click OK

7. Go back to Kodi home-screen
8. Click Add-ons

9. Select the open-box icon in the upper-left corner of the next screen (also called Package installer)

10. Click Install from zip file

11. Click the source name fusion (or whatever you named the source earlier)

Note: You will also follow the steps 1 to 11 here in Method 2 below

12. Click kodi-repos

13. Open the folder english next

14. Click repository.xbmchub-3.0.0.zip on the following screen. You will need to scroll down to somewhere around the bottom to spot this zip file.

Note: Click this zip file even if it has a different version number

15. Wait for he TVAddons.co Add-on Repository Add-on installed notification to appear (near the top-right corner of the screen)

16. Click Install from repository

17. Click TVADDONS.co Add-on Repository

18. Open the option Program add-ons

19. Select and click Git Browser on the next window

20. Click Install on the lower-right of the window (click OK if you see an additional popup on Kodi 18)

21. Wait until you see the Git Browser Add-on installed notification (again on the top-right)

You have successfully installed the Git Browser addon on Kodi from the TVAddons Repository

Method 2: Install Git Browser Using the Indigo Addon

Follow the steps 1 to 11 in Method 1 above (up to the point where you click source name fusion) 1957 seeburg select-o-matic restored for sale by owner.

12. Open the option begin-here (after clicking fusion in Step 11, Method 1 above)

13. Click the zip file plugin.program.indigo-x.x.x.zip

14. Wait for the Indigo Add-oninstalled notification. You will see it on the top-right of the screen

How Does Git Work Under The Hood

15. Go back to the Kodi home-screen again
16. Go to Add-ons > Program Add-ons
17. Open Indigo Kodi addon

18. Open Addon Installer

19. Click Git Browser

20. When prompted, choose Yes

21. Wait for Git Browser to install.
22. You have successfully installed the Git Browser on Kodi. Let me now quickly show you to use it to install repositories.

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How to use Git Browser to Install GitHub Kodi Addons

1. Navigate from the Kodi home-screen, go to Addons > Program Addons and open Indigo addon. Now go to Addon Installer > Git Browser

2. When the following prompt appears, hit the esc key on your keyboard or the OK key on your remote to get rid of it

3. Choose Search by GitHub Username

4. Click New Search

5. On the following screen, you will enter the GitHub username of the Kodi repository you wish to install. Each repository has a unique username. For instance, I-A-C is the username for Exodus Redux Repository for Exodus Redux addon

6. Click the repository zip file of the repository you wish to install. For example, we entered I-A-C username that belongs to Exodus Redux Repository. So, click the file repository.exodusredux.x.x.x.zip

Note: Only click the repository file to install the repository even when you see other files on this screen.

Git Browser is easier for you to install repositories and addons that are hosted on GitHub platform. Instead of going through the long-drawn process of adding the source and installing the repo, you may install the repository directly from the source. Even though Git Browser is not the most popular way to download addons and repos, I believe it is one of the best ways to do it.

Related:

How to install Real Debrid on Kodi
How to set up Trakt on Kodi
How to fix Kodi Buffering
How to install VPN on Kodi
How to fix Kodi Pair Error – Olpair, Vidup.me/pair, Tvad.me/pair

How Does Git Work Push