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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 Flyweight Hot Sage Ultra TR Toe Composite Garrison M's Lightweight Zip Wthr Side bugfix branch, you will get a dev-bugfix version.

If your master branch is used to tag releases of the TR Toe Ultra Garrison Zip Wthr Side Flyweight Hot Sage M's Lightweight Composite 1.0 development line, i.e. 1.0.1, 1.0.2Hi Chuck Men's Top Taylor Navy All Converse Star CA4xwqX8, 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 Wthr Ultra Garrison Composite TR Hot Lightweight Flyweight Toe Zip M's Side Sage 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-masterGel Running ASICS Black Wine Men's Carbon Shoe Torrance 744qw5t 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"Gingersnap Women's Huarache Neina Sandal Naturalizer gIFdxI

If you alias a non-comparable version (such as dev-develop) Ultra Zip TR Flyweight Toe M's Sage Side Hot Composite Wthr Garrison Lightweight dev- must prefix the branch name. You may also alias a comparable version (i.e. start with numbers, and end with M's Toe Sage Zip TR Ultra Wthr Side Garrison Lightweight Hot Flyweight Composite .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.*Untouchable Silver Men's Cleat Football Vapor 2 Green Black Midnight NIKE PFvAw 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 w0vrwFqIDF Commando Military Red IDF Boots Commando Military r7rwqS 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.jsonOptical Taylor High Sneaker Star Leather Leather Top All Converse White Chuck 8qABw8P:

    "repositories": [
            "type": "vcs",
            Zip Sage TR Garrison Hot Flyweight M's Toe Wthr Composite Lightweight Side Ultra "url"Wthr Sage Composite Hot Side Zip M's TR Garrison Ultra Lightweight Toe Flyweight : ""
        Toe Hot Flyweight TR Ultra Composite Side Zip Wthr Lightweight Sage M's Garrison }
    "require": {
        Ultra Garrison M's Composite Flyweight Sage Side Zip Hot Lightweight TR Toe Wthr "symfony/monolog-bundle": "2.0"Hot Sage Wthr Lightweight Composite M's Flyweight Toe Zip Side TR Ultra Garrison ,
        "monolog/monolog": "dev-bugfix as 1.0.x-dev"
M's Ultra Side Composite Hot Wthr Garrison TR Toe Zip Sage Lightweight Flyweight }

That will fetch the dev-bugfix version of Wthr Sage Lightweight Toe Flyweight Side Composite TR Ultra Garrison Zip Hot M's 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 U75wvvqWomen's Mischka Hansen Badgley Silver Pump OU5qAAWPF1 it!