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Why aliases?NIKE White Court Men's University Black Red Shoes Tennis Lite rq4rXw1

When you are using a VCS repository, you will only get comparable versions for branches that look like versions, such as 2.0 or 2.0.x. For your master branch, you will get a dev-master version. For your Finn Comfort Alamo 1288 Men's Cigar bugfix branch, you will get a dev-bugfix version.

If your master branch is used to tag releases of the Cigar Comfort 1288 Finn Alamo Men's 1.0 development line, i.e. 1.0.1, 1.0.2Slide Fit Steel Rest Women's Copper Light Slipper q6ftvPx, 1.0.3, etc., any package depending on it will probably require version 1.0.*.

If anyone wants to require the latest dev-master, they have a problem: Other packages may require 1.0.*, so requiring that dev version will lead to conflicts, since dev-master does not match the Men's Comfort Alamo Finn 1288 Cigar 1.0.* constraint.

Enter aliases.

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The dev-master branch is one in your main VCS repo. It is rather common that someone will want the latest master dev version. Thus, Composer allows you to alias your dev-masterIce Black Sneaker Men's The Adidas Busenitz Skateboarding Gum4 Green wqxYRnaznC branch to a 1.0.x-dev version. It is done by specifying a branch-alias field under extra in composer.json:

    "extra": {
        "branch-alias": {
            "dev-master": "1.0.x-dev"Thorogood Boot Work 8" Brown WP Toe 11 Men's Composite 3185 W1 804 6F6BZH

If you alias a non-comparable version (such as dev-develop) Finn Men's Comfort Cigar Alamo 1288 dev- must prefix the branch name. You may also alias a comparable version (i.e. start with numbers, and end with Men's Finn 1288 Comfort Cigar Alamo .x-dev), but only as a more specific version. For example, 1.x-dev could be aliased as 1.2.x-dev.

The alias must be a comparable dev version, and the branch-alias must be present on the branch that it references. For dev-master, you need to commit it on the master branch.

As a result, anyone can now require 1.0.*Indoor Knit Outdoor H for and Pattern Slippers amp;A Winter Men Women House Slippers Cable SSUPwfq and it will happily install dev-master.

In order to use branch aliasing, you must own the repository of the package being aliased. If you want to alias a third party package without maintaining a fork of it, use inline aliases as described below.

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Branch aliases are great for aliasing main development lines. But in order to use them you need to have control over the source repository, and you need to commit changes to version control.

This is not really fun when you want to try a bugfix of some library that is a dependency of your local project.

For this reason, you can alias packages in your require and require-dev fields. Let's say you found a bug in the monolog/monolog package. You cloned HOKA Blue SS17 ONE Shoes Hoka 5 ONE Charcoal Bondi Grey Running w0vrwFqQuick Water Shoes Swim Dry Kid Aqua Barefoot 3rd and Navy Womens Exercise Beach Surf for Upgraded Yoga Socks CIOR qtRYW on GitHub and fixed the issue in a branch named bugfix. Now you want to install that version of monolog in your local project.

You are using symfony/monolog-bundle which requires monolog/monolog version 1.*. So you need your dev-bugfix to match that constraint.

Add this to your project's root composer.jsonW Chukka Ranch Gold 14 Farm Barracuda Mens Georgia Boot GB1222 Work N A8q7qF:

    "repositories": [
            "type": "vcs",
            Cigar Finn Comfort Alamo 1288 Men's "url"Alamo Cigar Men's Comfort Finn 1288 : ""
        Finn Alamo Men's 1288 Cigar Comfort }
    "require": {
        1288 Alamo Men's Finn Comfort Cigar "symfony/monolog-bundle": "2.0"Comfort Cigar Finn Alamo Men's 1288 ,
        "monolog/monolog": "dev-bugfix as 1.0.x-dev"
Comfort Men's 1288 Alamo Cigar Finn }

That will fetch the dev-bugfix version of Alamo 1288 Cigar Men's Finn Comfort monolog/monolog from your GitHub and alias it to 1.0.x-dev.

Note: Inline aliasing is a root-only feature. If a package with inline aliases is required, the alias (right of the as) is used as the version constraint. The part left of the as is discarded. As a consequence, if A requires B and B requires monolog/monolog version dev-bugfix as 1.0.x-dev, installing A will make B require 1.0.x-dev, which may exist as a branch alias or an actual 1.0 branch. If it does not, it must be inline-aliased again in A's composer.json.

Note: Inline aliasing should be avoided, especially for published packages/libraries. If you found a bug, try and get your fix merged upstream. This helps to avoid issues for users of your package.

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