无法自我更新Composer [英] Unable to self-update Composer

问题描述

我正在尝试更新Composer，没有任何运气！

I am trying to update Composer without any luck!

我尝试过的事情:

$ composer self-update

[InvalidArgumentException]命令自我更新".未定义.

[InvalidArgumentException] Command "self-update" is not defined.

$ sudo -H composer self-update

[InvalidArgumentException]命令自我更新".未定义.

[InvalidArgumentException] Command "self-update" is not defined.

$ sudo apt-get install composer

正在读取包列表...完成构建依赖关系树的读取状态信息...作曲家已经是最新版本.这以下软件包已自动安装，不再存在必需:libntdb1 linux-headers-4.2.0-30linux-headers-4.2.0-30-generic linux-image-4.2.0-30-genericlinux-image-extra-4.2.0-30-generic python-ntdb使用'apt-getautoremove'将其删除.已升级0个，新安装了0个，删除了0个和10个未升级.

Reading package lists... Done Building dependency tree Reading state information... Done composer is already the newest version. The following packages were automatically installed and are no longer required: libntdb1 linux-headers-4.2.0-30 linux-headers-4.2.0-30-generic linux-image-4.2.0-30-generic linux-image-extra-4.2.0-30-generic python-ntdb Use 'apt-get autoremove' to remove them. 0 upgraded, 0 newly installed, 0 to remove and 10 not upgraded.

我正在尝试自我更新Composer，因为每次尝试都面临以下问题:

I am trying to self-update Composer because I am facing the following each time I try:

$ composer update

使用软件包信息加载composer存储库正在更新依赖关系(包括require-dev)[RuntimeException]无法将rmrevin/yii2-fontawesome软件包加载到 http://packagist.org :[UnexpectedValueException]无法解析版本限制v4.1.:无效的版本字符串"v4.1.".[UnexpectedValueException]无法解析版本限制v4.1.:无效的版本字符串" v4.1."

Loading composer repositories with package information Updating dependencies (including require-dev) [RuntimeException] Could not load package rmrevin/yii2-fontawesome in http://packagist.org: [UnexpectedValueException] Could not parse version constraint v4.1 .: Invalid version string "v4.1." [UnexpectedValueException] Could not parse version constraint v4.1.: Invalid version string "v4.1."

如何解决此问题?

我的PHP版本是:

php --version

PHP 5.6.11-1ubuntu3.4(cli)版权所有(c)1997-2015 The PHP GroupZend Engine v2.6.0，版权所有(c)1998-2015 Zend Technologies与Zend OPcache v7.0.6-dev，Zend Technologies版权所有(c)1999-2015

PHP 5.6.11-1ubuntu3.4 (cli) Copyright (c) 1997-2015 The PHP Group Zend Engine v2.6.0, Copyright (c) 1998-2015 Zend Technologies with Zend OPcache v7.0.6-dev, Copyright (c) 1999-2015, by Zend Technologies

我的作曲家版本是:

composer --version

作曲家版本@ package_branch_alias_version @(@ package_version @)@release_date @

Composer version @package_branch_alias_version@ (@package_version@) @release_date@

推荐答案

自从我发布答案以来，我已经学会了以编程方式安装Composer的新方法:

Since I posted my answer, I have learnt a new easier way to install Composer programmatically: How do I install Composer programmatically?

根据@JimL评论，我能够通过以下方式自我更新Composer:

As per @JimL comment, I was able to self update Composer by:

• 从程序包管理器(apt)卸载Composer.
• 我是根据官方文档

现在它可以正常工作了.

Now it works as expected.

这篇关于无法自我更新Composer的文章就介绍到这了，希望我们推荐的答案对大家有所帮助，也希望大家多多支持IT屋！