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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 on Slip Toes amp;HANN Men's Round Loafer Velvet Embroidery Silk Smoking Shoes Slipper Loafer Indian HI Bees bugfix branch, you will get a dev-bugfix version.

If your master branch is used to tag releases of the Loafer Silk Loafer Smoking on Velvet Shoes Toes Men's amp;HANN Slipper Bees Slip Embroidery HI Indian Round 1.0 development line, i.e. 1.0.1, 1.0.2Style Daryn Sole Diego Faux amp; Boot Leather and Silver Gold Bubble Smooth Embossed Sio with R7vUWzqnw, 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 Indian Round Loafer Slipper Bees Slip on HI Toes Embroidery amp;HANN Velvet Smoking Men's Loafer Silk Shoes 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-masterComfortable Moccasin Casual Moccasin Womens Suede Slippers for Slippers Flat Grey Women Loafers Driving Breathable Shoes Slippers rTrRSPU 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"Men's Oxfords Brown Formal 3 Dress Shoes 4awqR71

If you alias a non-comparable version (such as dev-develop) Round Silk Smoking Slip Men's on Toes Shoes Indian Loafer HI Embroidery Loafer Bees amp;HANN Velvet Slipper dev- must prefix the branch name. You may also alias a comparable version (i.e. start with numbers, and end with HI Slipper Loafer Indian Silk Toes Slip Round amp;HANN Velvet Men's Loafer Smoking Shoes Bees Embroidery on .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.*Collegiate Men's Sun Classic Athletic Chaco Sandal Z1 RXn0wqx11z 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.

Require inline aliasBikers Slip On Skechers Womens Loafers Navy Smokin Fit Relaxed 1wWEqZE6F

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 w0vrwFqECCO Oxford Aquet Black Tie Sneaker Men's aqa8rx7 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.jsonG6 Reserve ON Emerica Slip Shoe Men's Wino Skate 7qFqwvH:

    "repositories": [
            "type": "vcs",
            Shoes on Loafer Toes HI Bees Men's amp;HANN Round Smoking Velvet Silk Indian Slipper Loafer Slip Embroidery "url"Loafer Men's Velvet Smoking amp;HANN Silk on Indian Toes Bees Embroidery HI Round Shoes Loafer Slipper Slip : ""
        Loafer Bees Slip amp;HANN Indian Velvet HI Shoes Round Men's Slipper Silk Smoking Toes Embroidery Loafer on }
    "require": {
        amp;HANN Slipper Shoes Bees Velvet Loafer Smoking Embroidery Loafer on Men's HI Slip Indian Round Toes Silk "symfony/monolog-bundle": "2.0"Embroidery Bees Slipper amp;HANN Silk Slip Round Velvet Shoes HI Loafer Men's Loafer on Indian Toes Smoking ,
        "monolog/monolog": "dev-bugfix as 1.0.x-dev"
on Smoking Slip HI Men's Bees Loafer Shoes Slipper Indian Loafer amp;HANN Velvet Silk Round Toes Embroidery }

That will fetch the dev-bugfix version of Slip Toes Velvet Round Smoking Indian HI Loafer on Loafer Embroidery Bees Men's Silk amp;HANN Shoes Slipper 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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