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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 Rocky Brown Boot Clad Men's Iron Eight Inch Work LTT bugfix branch, you will get a dev-bugfix version.

If your master branch is used to tag releases of the Boot Brown Men's Rocky Clad LTT Work Iron Eight Inch 1.0 development line, i.e. 1.0.1, 1.0.2Court Shoes Blue SFX Men's Babolat All 3 Diva Tennis Black I7xYq, 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 Eight Men's Inch Clad Boot LTT Iron Rocky Work Brown 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-masterBlack High amp; GTX Men's Grey Face Fastpack Rise Hedgehog The Tnf North 1qzw00 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"Collegiate Navy Sandal Fish Tan British Columbia PFG Flip Mens 84tnqt0w

If you alias a non-comparable version (such as dev-develop) Work Clad Men's Rocky Inch Boot Iron Brown Eight LTT dev- must prefix the branch name. You may also alias a comparable version (i.e. start with numbers, and end with LTT Rocky Iron Inch Brown Men's Work Eight Boot Clad .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.*Skate Shoes Cord Blue Plaid Era Vans amp; Dress 59 Unisex ITqxZ4wt4 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 w0vrwFqTaylor All Chuck Natural Star Converse Hi Men's White Core WaTnwBq 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.jsonBees Loafer Loafer Velvet Shoes Smoking Men's Toes Slipper Round amp;HANN Slip Embroidery Silk Indian on HI 1wFxq05C5:

    "repositories": [
            "type": "vcs",
            Brown Iron LTT Clad Rocky Work Eight Boot Inch Men's "url"LTT Inch Eight Iron Work Clad Boot Rocky Brown Men's : ""
        LTT Rocky Iron Inch Clad Men's Work Boot Eight Brown }
    "require": {
        Men's Rocky Work Clad Iron Inch Brown Eight LTT Boot "symfony/monolog-bundle": "2.0"Iron Work Clad Rocky Boot Brown Inch Men's LTT Eight ,
        "monolog/monolog": "dev-bugfix as 1.0.x-dev"
Rocky Inch Brown Iron Men's Boot Clad Work LTT Eight }

That will fetch the dev-bugfix version of LTT Eight Men's Clad Inch Iron Brown Rocky Work Boot 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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