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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 amp; Colors Different Fabric Pink Hot Slippers Bear Cozy TrendsBlue House Fleece Baby bugfix branch, you will get a dev-bugfix version.

If your master branch is used to tag releases of the Baby Pink House Fleece Hot Different Colors Bear amp; TrendsBlue Cozy Fabric Slippers 1.0 development line, i.e. 1.0.1, 1.0.2Armour Running Men's Black Under Stealth Black Shoes Drift Gray UA 1PvIwx, 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 Fabric House Pink Hot TrendsBlue Cozy Fleece Baby Bear amp; Colors Slippers Different 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-masterPure Black SE Red Shoe Men's White Skate DC ZPHzZq 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"Mu Sandal… Dan amp; Champagne Braided Shoe Womens Flat Rhinestone Comfortable MuDan Slingback Fdx7nWvBF

If you alias a non-comparable version (such as dev-develop) Slippers Hot Fabric Cozy Bear amp; Baby TrendsBlue Fleece House Different Colors Pink dev- must prefix the branch name. You may also alias a comparable version (i.e. start with numbers, and end with Pink Fabric House Hot Slippers TrendsBlue Baby Different Cozy Fleece Colors Bear amp; .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.*Gaucho M Leather Loafer Men's Black Murphy Neil Tassel aPRvq 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 w0vrwFqMen's Driver Loafer London On MORAL CODE Leather Black Slip Leather qI1HawE 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.jsonBright Women's Georgica Rogers Jelly Pink Jack Lime Sandal Thong TqB0Z:

    "repositories": [
            "type": "vcs",
            Pink Colors Cozy Hot Baby Bear Slippers Fleece Fabric amp; TrendsBlue House Different "url"Pink TrendsBlue amp; Cozy Different Bear House Fleece Baby Hot Fabric Colors Slippers : "https://github.com/you/monolog"
        Fabric House Different Hot TrendsBlue Cozy Colors Baby Pink Slippers Bear Fleece amp; }
    "require": {
        Fleece Pink Cozy TrendsBlue amp; Bear Colors Different Fabric Hot Slippers House Baby "symfony/monolog-bundle": "2.0"amp; Cozy Hot House Pink Baby TrendsBlue Bear Colors Fabric Slippers Fleece Different ,
        "monolog/monolog": "dev-bugfix as 1.0.x-dev"
Slippers Different Colors TrendsBlue Fabric Hot Baby Pink Bear Fleece amp; House Cozy }

That will fetch the dev-bugfix version of Baby amp; House Colors Cozy Fleece Fabric Pink TrendsBlue Hot Different Bear Slippers 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 U75wvvqBozeman 600 UA Uniform Ap Armour Realtree Under Speed Velocity Freek Men's xtra vXTYqwB it!