Using vendor/bin/composer script to deploy without errors when composer is updated

[eusonlito]

I'm using the vendor/bin/composer file to deploy my webapp from script:

php ./vendor/bin/composer deploy

The composer.json requires "composer/composer": "^2.5.1" as dependency, and deploy script is:

"deploy": [
    "rm -f bootstrap/cache/*.php",
    "git checkout .",
    "git pull",
    "@composer install --no-dev --optimize-autoloader --classmap-authoritative --ansi",
    "@php artisan migrate --force --ansi",
    "@php artisan queue:restart --ansi"
],

Then problem is when composer is updated as dependency, the composer binary fails with:

Installing dependencies from lock file
Verifying lock file contents can be installed on current platform.
Package operations: 0 installs, 12 updates, 0 removals
  - Downloading symfony/finder (v6.3.5)
  - Downloading symfony/string (v6.3.5)
  - Downloading composer/composer (2.6.4)
  - Downloading symfony/http-foundation (v6.3.5)
  - Downloading symfony/var-dumper (v6.3.5)
  - Downloading symfony/routing (v6.3.5)
  - Downloading symfony/mime (v6.3.5)
  - Downloading symfony/mailer (v6.3.5)
  - Downloading symfony/error-handler (v6.3.5)
  - Downloading symfony/http-kernel (v6.3.5)
  - Downloading laravel/prompts (v0.1.10)
  - Downloading symfony/http-client (v6.3.5)
  - Upgrading symfony/string (v6.3.2 => v6.3.5): Extracting archive
  - Upgrading composer/composer (2.6.3 => 2.6.4): Extracting archive
  - Upgrading symfony/http-foundation (v6.3.4 => v6.3.5): Extracting archive
  - Upgrading symfony/var-dumper (v6.3.4 => v6.3.5): Extracting archive
  - Upgrading symfony/routing (v6.3.3 => v6.3.5): Extracting archive
  - Upgrading symfony/mime (v6.3.3 => v6.3.5): Extracting archive
  - Upgrading symfony/mailer (v6.3.0 => v6.3.5): Extracting archive
  - Upgrading symfony/error-handler (v6.3.2 => v6.3.5): Extracting archive
  - Upgrading symfony/http-kernel (v6.3.4 => v6.3.5): Extracting archive
  - Upgrading laravel/prompts (v0.1.9 => v0.1.10): Extracting archive
  - Upgrading symfony/http-client (v6.3.2 => v6.3.5): Extracting archive
    Update of symfony/string failed
    Update of symfony/http-foundation failed
    Update of symfony/var-dumper failed
    Update of symfony/mime failed
    Update of symfony/mailer failed
    Update of symfony/routing failed
    Update of composer/composer failed
    Update of symfony/error-handler failed
    Update of symfony/http-kernel failed
    Update of symfony/http-client failed
    Update of laravel/prompts failed
In ClassLoader.php line 576:
                                                                               
  include(/var/www/app/httpdocs/vendor/composer/../composer/c  
  omposer/src/Composer/Console/GithubActionError.php): Failed to open stream:  
   No such file or directory                                                   
                                                                               

install [--prefer-source] [--prefer-dist] [--prefer-install PREFER-INSTALL] [--dry-run] [--download-only] [--dev] [--no-suggest] [--no-dev] [--no-autoloader] [--no-progress] [--no-install] [--audit] [--audit-format AUDIT-FORMAT] [-v|vv|vvv|--verbose] [-o|--optimize-autoloader] [-a|--classmap-authoritative] [--apcu-autoloader] [--apcu-autoloader-prefix APCU-AUTOLOADER-PREFIX] [--ignore-platform-req IGNORE-PLATFORM-REQ] [--ignore-platform-reqs] [--] [<packages>...]

Script @composer install --no-dev --optimize-autoloader --classmap-authoritative --ansi handling the deploy event returned with error code 1

PHP Fatal error:  Uncaught ErrorException: include(/var/www/app/httpdocs/vendor/composer/../symfony/string/UnicodeString.php): Failed to open stream: No such file or directory in /var/www/app/httpdocs/vendor/composer/ClassLoader.php:576
Stack trace:
#0 /var/www/app/httpdocs/vendor/composer/ClassLoader.php(576): Composer\Util\ErrorHandler::handle()
#1 /var/www/app/httpdocs/vendor/composer/ClassLoader.php(576): include()
#2 /var/www/app/httpdocs/vendor/composer/ClassLoader.php(427): Composer\Autoload\{closure}()
#3 /var/www/app/httpdocs/vendor/symfony/console/Helper/Helper.php(51): Composer\Autoload\ClassLoader->loadClass()
#4 /var/www/app/httpdocs/vendor/symfony/console/Application.php(874): Symfony\Component\Console\Helper\Helper::width()
#5 /var/www/app/httpdocs/vendor/symfony/console/Application.php(845): Symfony\Component\Console\Application->doRenderThrowable()
#6 /var/www/app/httpdocs/vendor/symfony/console/Application.php(157): Symfony\Component\Console\Application->renderThrowable()
#7 /var/www/app/httpdocs/vendor/symfony/console/Application.php(180): Symfony\Component\Console\Application->Symfony\Component\Console\{closure}()
#8 /var/www/app/httpdocs/vendor/composer/composer/src/Composer/Console/Application.php(145): Symfony\Component\Console\Application->run()
#9 /var/www/app/httpdocs/vendor/composer/composer/bin/composer(89): Composer\Console\Application->run()
#10 /var/www/app/httpdocs/vendor/bin/composer(119): include('...')
#11 {main}
  thrown in /var/www/app/httpdocs/vendor/composer/ClassLoader.php on line 576

Then, the deploy always fails when the composer is also updated.

Who can I avoid the deploy errors when composer package is updated?

Thanks!

[stof]

There is no reason to depend on composer/composer here IMO. Managing your composer installation as part of your vendor folder won't work fine as you could be updating the composer version that is currently in use (but a PHP process cannot reload new versions of classes).

composer/composer is only available as a library for special cases like Packagist that reuse the PHP code of composer and for the dev requirements of composer plugins. It is not meant to be a way to install the composer CLI (which is a chicken-&-egg problem anyway as you need to already have composer to have that vendor folder).

[eusonlito]

Thanks a lot for the explanation.

And how can I use composer without dependency with the globally installed composer binary? Adding a composer binary file inside the project?

[stof]

Committing the composer phar in the project is indeed a much better approach for that use case.