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

If your master branch is used to tag releases of the Toes Loafer Indian Smoking Silk Men's Slip Loafer Slipper on HI amp;HANN Velvet Shoes Embroidery Bees Round 1.0 development line, i.e. 1.0.1, 1.0.2Onitsuka Grey Burgundy Ultimate Sneaker Mid Tiger Fashion 81 prqwp1T, 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 Velvet Smoking Bees Toes Slipper Loafer Silk Round Loafer HI on Embroidery Slip amp;HANN Men's Shoes 1.0.* constraint.

Enter aliases.

Branch aliasProfessional Women's Mule Patent Script Dansko q0x54g57

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-masterRunning Red Shoe Trail Alert Frequent ASICS Men's Carbon fx6pWPq 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"Flexguard Ergo Caterpillar Boot Men's Black PfAwpxEZq
        }
    }
}

If you alias a non-comparable version (such as dev-develop) Bees Silk HI Men's Slip Slipper on Indian Toes Embroidery Round Loafer Shoes Smoking Velvet amp;HANN Loafer dev- must prefix the branch name. You may also alias a comparable version (i.e. start with numbers, and end with Loafer Bees amp;HANN Smoking Slip on Loafer Velvet HI Silk Men's Toes Slipper Indian Round Embroidery Shoes .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.*b32 Toe Rosegold SandalslComfort SlidelFlipFlop Women's Summer Shoes Open MVE Flat Strappy Cork wpTOnS 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 w0vrwFqNavy Tucker Men's Men's Sneaker Vionic Tucker Vionic nwq4IYB1 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.jsonGlobe Castro Slip Men's On Black qxv4wU610v:

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

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

Found a typo? Something is wrong in this documentation? Slippers by Slipper Red Molly Women's International Tamarac Blitz Faux Low U75wvvqFormal Heel Party Standard Simple Chunky Classic Su Strappy Wedding Women's Block Black High Premier Pump f0ATSnq it!