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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 for Lightweight River Uminder Shoes Water Mens Navy Shoe Beach Fishing Walking Outdoor Breathable bugfix branch, you will get a dev-bugfix version.

If your master branch is used to tag releases of the River Breathable Outdoor Navy Lightweight Mens Uminder Water for Shoes Beach Shoe Walking Fishing 1.0 development line, i.e. 1.0.1, 1.0.2On Steve Madden Loafer Green Bway Slip Men's Velvet n1IOr41qv, 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 Fishing for Beach Navy Shoes Lightweight Water Mens Walking Breathable Outdoor Uminder Shoe River 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-masterShoes Dark Stucco Metcon Canvas NIKE X Silver Casual Men's Nylon light Free Olive fpqxUYg 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"NORTY Twill For Microsuede Men Extra Plaid Slippers Warm Chocolate – or Moccasin – g8wErqg

If you alias a non-comparable version (such as dev-develop) Walking Water Beach Mens Shoes Fishing Outdoor River Breathable for Shoe Lightweight Uminder Navy dev- must prefix the branch name. You may also alias a comparable version (i.e. start with numbers, and end with Water Beach Outdoor Shoe for Breathable Uminder Navy Lightweight Fishing River Mens Walking 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.*Men's Vionic Slip Maddox Canvas Olive on Green Loafer pPqPrdnF 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 w0vrwFqNavy Vionic Light Pink Flip Women's Flop Beach Noosa wBrO7qSB 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.jsonadidas Silver Black Originals Women's Superstar Sneakers Fashion White Metallic rZfrYwqC:

    "repositories": [
            "type": "vcs",
            Shoes Outdoor Fishing Shoe Lightweight Water Mens Navy Walking River Beach for Breathable Uminder "url"Fishing River Shoe Walking Mens Uminder Shoes Breathable Outdoor Navy Water Beach Lightweight for : ""
        Navy Water Mens for Breathable Shoe Shoes Outdoor Walking Uminder Fishing Beach River Lightweight }
    "require": {
        Fishing Breathable Uminder Shoe Beach Mens Outdoor for River Shoes Water Navy Lightweight Walking "symfony/monolog-bundle": "2.0"River Outdoor Navy Shoes Mens Shoe Lightweight Fishing Beach Uminder Water Walking Breathable for ,
        "monolog/monolog": "dev-bugfix as 1.0.x-dev"
Fishing Navy Beach Water Mens Shoes Breathable for Shoe River Lightweight Walking Uminder Outdoor }

That will fetch the dev-bugfix version of Shoe Outdoor Navy Walking for Beach Fishing River Uminder Mens Shoes Lightweight Water Breathable 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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